Fare Guide

Estimated lowest fares found within 7 days

Cheapest Airline United Airlines

The cheapest airline(s) flying from Buffalo to Seattle is United Airlines.

  • United Airlines United Airlines
  • American Airlines American Airlines
  • Southwest Airlines Southwest Airlines
  • JetBlue Airways JetBlue Airways
  • Alaska Airlines Alaska Airlines
Cheapest Month December

Travel Period: December 2024 - November 2025

The cheapest month(s) to fly from Buffalo to Seattle is December.

  • Dec 2024
  • Jan 2025
  • Feb 2025
  • Mar 2025
  • Apr 2025
  • May 2025
  • Jun 2025
  • Jul 2025
  • Aug 2025
  • Sep 2025
  • Oct 2025
  • Nov 2025
Cheapest Day of the Week Thursday

The cheapest day(s) of the week to fly from Buffalo to Seattle is Thursday.

  • Sun Sunday
  • Mon Monday
  • Tue Tuesday
  • Wed Wednesday
  • Thu Thursday
  • Fri Friday
  • Sat Saturday

Flight Schedules

Last Updated: Sat, 2 Nov, 2024

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      • Availability
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      • 05:14 BUF
        11:05 SEA
        8Hrs, 51m 1 Stop (DCA)
      • BUFBuffalo Airport 05:14 - SEA 11:05 8h 51m 1 Stop (DCA) Washington
      • BUFBuffalo Airport 05:14
        DCAWashington Ronald Reagan National Airport 08:00
      • DCAWashington Ronald Reagan National Airport 06:40
        SEASeattle/Tacoma International Airport 11:05
      • 8h 51m (1h 20m)
      • 1 Stop DCA · Washington 1h 20m
      • American Airlines (AA 4796)Embraer Emb 175
        Alaska Airlines (AS 1)Boeing 737 800
      • American Airlines (AA 4796)
        • -
        • -
        • -
        • -
        • F
        • -
        • -
      • 05:27 BUF
        11:05 SEA
        8Hrs, 38m 1 Stop (DCA)
      • BUFBuffalo Airport 05:27 - SEA 11:05 8h 38m 1 Stop (DCA) Washington
      • BUFBuffalo Airport 05:27
        DCAWashington Ronald Reagan National Airport 08:00
      • DCAWashington Ronald Reagan National Airport 06:53
        SEASeattle/Tacoma International Airport 11:05
      • 8h 38m (1h 07m)
      • 1 Stop DCA · Washington 1h 07m
      • American Airlines (AA 4391)Embraer Emb 175
        Alaska Airlines (AS 1)Boeing 737 800
      • American Airlines (AA 4391)
        • -
        • -
        • -
        • -
        • -
        • S
        • -
      • 05:30 BUF
        10:58 SEA
        8Hrs, 28m 1 Stop (DCA)
      • BUFBuffalo Airport 05:30 - SEA 10:58 8h 28m 1 Stop (DCA) Washington
      • BUFBuffalo Airport 05:30
        DCAWashington Ronald Reagan National Airport 08:00
      • DCAWashington Ronald Reagan National Airport 06:54
        SEASeattle/Tacoma International Airport 10:58
      • 8h 28m (1h 06m)
      • 1 Stop DCA · Washington 1h 06m
      • American Airlines (AA 5174)Crj 700 Canadair Regional
        Alaska Airlines (AS 1)Boeing 737 800
      • American Airlines (AA 5174)
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      • 05:42 BUF
        11:05 SEA
        8Hrs, 23m 1 Stop (DCA)
      • BUFBuffalo Airport 05:42 - SEA 11:05 8h 23m 1 Stop (DCA) Washington
      • BUFBuffalo Airport 05:42
        DCAWashington Ronald Reagan National Airport 08:00
      • DCAWashington Ronald Reagan National Airport 07:08
        SEASeattle/Tacoma International Airport 11:05
      • 8h 23m (52m)
      • 1 Stop DCA · Washington 52m
      • American Airlines (AA 4744)Embraer Emb 175
        Alaska Airlines (AS 1)Boeing 737 800
      • American Airlines (AA 4744)
        • -
        • -
        • -
        • -
        • -
        • -
        • S
      • 06:00 BUF
        11:35 SEA
        8Hrs, 35m 1 Stop (IAD)
      • BUFBuffalo Airport 06:00 - SEA 11:35 8h 35m 1 Stop (IAD) Washington
      • BUFBuffalo Airport 06:00
        IADWashington Dulles International Airport 08:35
      • IADWashington Dulles International Airport 07:21
        SEASeattle/Tacoma International Airport 11:35
      • 8h 35m (1h 14m)
      • 1 Stop IAD · Washington 1h 14m
      • United Airlines (UA 3428)Embraer 170
        United Airlines (UA 1964)Boeing 737 800
      • United Airlines (UA 3428)
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      • 06:00 BUF
        11:35 SEA
        8Hrs, 35m 1 Stop (IAD)
      • BUFBuffalo Airport 06:00 - SEA 11:35 8h 35m 1 Stop (IAD) Washington
      • BUFBuffalo Airport 06:00
        IADWashington Dulles International Airport 08:35
      • IADWashington Dulles International Airport 07:21
        SEASeattle/Tacoma International Airport 11:35
      • 8h 35m (1h 14m)
      • 1 Stop IAD · Washington 1h 14m
      • United Airlines (UA 3428)Embraer 170
        United Airlines (UA 1964)Boeing 737 700
      • United Airlines (UA 3428)
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        • S
      • 06:00 BUF
        12:59 SEA
        9Hrs, 59m 1 Stop (CLT)
      • BUFBuffalo Airport 06:00 - SEA 12:59 9h 59m 1 Stop (CLT) Charlotte
      • BUFBuffalo Airport 06:00
        CLTCharlotte Airport 10:10
      • CLTCharlotte Airport 08:02
        SEASeattle/Tacoma International Airport 12:59
      • 9h 59m (2h 08m)
      • 1 Stop CLT · Charlotte 2h 08m
      • American Airlines (AA 1204)Airbus
        American Airlines (AA 2407)Airbus
      • American Airlines (AA 1204)
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      • 11:00 DEN
        06:50 MDW
        9Hrs, 55m 1 Stop (SEA)
      • DENDenver Intl Airport 11:00 - MDW 06:50 9h 55m 1 Stop (SEA) Seattle
      • DENDenver Intl Airport 11:00
        BUFBuffalo Airport 06:05
      • SEASeattle/Tacoma International Airport 13:00
        MDWChicago Midway Airport 06:50
      • 9h 55m (2h 30m)
      • 1 Stop SEA · Seattle 2h 30m
      • Southwest Airlines (WN 1061)Boeing 737 Max 8 Passenger
        Southwest Airlines (WN 1360)Boeing 737 700
      • Southwest Airlines (WN 1061)
        • -
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        • -
        • -
        • -
        • S
        • -
      • 06:42 BUF
        13:10 SEA
        9Hrs, 28m 1 Stop (DFW)
      • BUFBuffalo Airport 06:42 - SEA 13:10 9h 28m 1 Stop (DFW) Dallas
      • BUFBuffalo Airport 06:42
        DFWDallas/Fort Worth Intl Airport 10:27
      • DFWDallas/Fort Worth Intl Airport 09:20
        SEASeattle/Tacoma International Airport 13:10
      • 9h 28m (1h 07m)
      • 1 Stop DFW · Dallas 1h 07m
      • American Airlines (AA 882)Airbus
        American Airlines (AA 1992)Airbus
      • American Airlines (AA 882)
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      • 06:42 BUF
        14:55 SEA
        11Hrs, 13m 1 Stop (DFW)
      • BUFBuffalo Airport 06:42 - SEA 14:55 11h 13m 1 Stop (DFW) Dallas
      • BUFBuffalo Airport 06:42
        DFWDallas/Fort Worth Intl Airport 12:26
      • DFWDallas/Fort Worth Intl Airport 09:20
        SEASeattle/Tacoma International Airport 14:55
      • 11h 13m (3h 06m)
      • 1 Stop DFW · Dallas 3h 06m
      • American Airlines (AA 882)Airbus
        American Airlines (AA 2405)Airbus
      • American Airlines (AA 882)
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        • S
      • 07:00 BUF
        12:08 SEA
        8Hrs, 08m 1 Stop (ORD)
      • BUFBuffalo Airport 07:00 - SEA 12:08 8h 08m 1 Stop (ORD) Chicago
      • BUFBuffalo Airport 07:00
        ORDChicago O'Hare International Airport 09:20
      • ORDChicago O'Hare International Airport 07:57
        SEASeattle/Tacoma International Airport 12:08
      • 8h 08m (1h 23m)
      • 1 Stop ORD · Chicago 1h 23m
      • United Airlines (UA 329)Boeing 737 700
        United Airlines (UA 2005)Airbus
      • United Airlines (UA 329)
        • -
        • -
        • -
        • -
        • -
        • S
        • -
      • 07:00 BUF
        12:08 SEA
        8Hrs, 08m 1 Stop (ORD)
      • BUFBuffalo Airport 07:00 - SEA 12:08 8h 08m 1 Stop (ORD) Chicago
      • BUFBuffalo Airport 07:00
        ORDChicago O'Hare International Airport 09:20
      • ORDChicago O'Hare International Airport 07:57
        SEASeattle/Tacoma International Airport 12:08
      • 8h 08m (1h 23m)
      • 1 Stop ORD · Chicago 1h 23m
      • United Airlines (UA 329)Boeing 737 700
        United Airlines (UA 2005)Airbus
      • United Airlines (UA 329)
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        • -
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      • 07:00 BUF
        12:08 SEA
        8Hrs, 08m 1 Stop (ORD)
      • BUFBuffalo Airport 07:00 - SEA 12:08 8h 08m 1 Stop (ORD) Chicago
      • BUFBuffalo Airport 07:00
        ORDChicago O'Hare International Airport 09:20
      • ORDChicago O'Hare International Airport 07:57
        SEASeattle/Tacoma International Airport 12:08
      • 8h 08m (1h 23m)
      • 1 Stop ORD · Chicago 1h 23m
      • United Airlines (UA 329)Airbus
        United Airlines (UA 2005)Airbus
      • United Airlines (UA 329)
        • -
        • -
        • -
        • -
        • -
        • -
        • S
      • 07:00 BUF
        12:08 SEA
        8Hrs, 08m 1 Stop (ORD)
      • BUFBuffalo Airport 07:00 - SEA 12:08 8h 08m 1 Stop (ORD) Chicago
      • BUFBuffalo Airport 07:00
        ORDChicago O'Hare International Airport 09:20
      • ORDChicago O'Hare International Airport 07:57
        SEASeattle/Tacoma International Airport 12:08
      • 8h 08m (1h 23m)
      • 1 Stop ORD · Chicago 1h 23m
      • United Airlines (UA 329)Boeing 737 700
        United Airlines (UA 2005)Boeing 737 800
      • United Airlines (UA 329)
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      • 07:00 BUF
        12:40 SEA
        8Hrs, 40m 1 Stop (ORD)
      • BUFBuffalo Airport 07:00 - SEA 12:40 8h 40m 1 Stop (ORD) Chicago
      • BUFBuffalo Airport 07:00
        ORDChicago O'Hare International Airport 09:55
      • ORDChicago O'Hare International Airport 07:58
        SEASeattle/Tacoma International Airport 12:40
      • 8h 40m (1h 57m)
      • 1 Stop ORD · Chicago 1h 57m
      • American Airlines (AA 4053)Embraer 170
        American Airlines (AA 2398)Boeing 737 800
      • American Airlines (AA 4053)
        • -
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      • 07:00 BUF
        12:47 SEA
        8Hrs, 47m 1 Stop (ORD)
      • BUFBuffalo Airport 07:00 - SEA 12:47 8h 47m 1 Stop (ORD) Chicago
      • BUFBuffalo Airport 07:00
        ORDChicago O'Hare International Airport 09:57
      • ORDChicago O'Hare International Airport 07:58
        SEASeattle/Tacoma International Airport 12:47
      • 8h 47m (1h 59m)
      • 1 Stop ORD · Chicago 1h 59m
      • American Airlines (AA 4053)Embraer 170
        American Airlines (AA 2398)Boeing 737 Max 8 Passenger
      • American Airlines (AA 4053)
        • -
        • -
        • -
        • -
        • -
        • S
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      • 11:50 DEN
        07:57 ORD
        9Hrs, 57m 1 Stop (SEA)
      • DENDenver Intl Airport 11:50 - ORD 07:57 9h 57m 1 Stop (SEA) Seattle
      • DENDenver Intl Airport 11:50
        BUFBuffalo Airport 07:00
      • SEASeattle/Tacoma International Airport 13:57
        ORDChicago O'Hare International Airport 07:57
      • 9h 57m (2h 03m)
      • 1 Stop SEA · Seattle 2h 03m
      • United Airlines (UA 423)Boeing 737 Max 8 Passenger
        United Airlines (UA 329)Boeing 737 700
      • United Airlines (UA 423)
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        • F
        • -
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      • 11:50 DEN
        07:57 ORD
        9Hrs, 57m 1 Stop (SEA)
      • DENDenver Intl Airport 11:50 - ORD 07:57 9h 57m 1 Stop (SEA) Seattle
      • DENDenver Intl Airport 11:50
        BUFBuffalo Airport 07:00
      • SEASeattle/Tacoma International Airport 13:57
        ORDChicago O'Hare International Airport 07:57
      • 9h 57m (2h 03m)
      • 1 Stop SEA · Seattle 2h 03m
      • United Airlines (UA 423)Boeing 737 800
        United Airlines (UA 329)Boeing 737 700
      • United Airlines (UA 423)
        • -
        • -
        • -
        • -
        • -
        • S
        • -
      • 11:50 DEN
        07:57 ORD
        9Hrs, 57m 1 Stop (SEA)
      • DENDenver Intl Airport 11:50 - ORD 07:57 9h 57m 1 Stop (SEA) Seattle
      • DENDenver Intl Airport 11:50
        BUFBuffalo Airport 07:00
      • SEASeattle/Tacoma International Airport 13:57
        ORDChicago O'Hare International Airport 07:57
      • 9h 57m (2h 03m)
      • 1 Stop SEA · Seattle 2h 03m
      • United Airlines (UA 423)Boeing 737 Max 8 Passenger
        United Airlines (UA 329)Airbus
      • United Airlines (UA 423)
        • -
        • -
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        • -
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        • S
      • 07:00 BUF
        16:03 SEA
        12Hrs, 03m 1 Stop (ORD)
      • BUFBuffalo Airport 07:00 - SEA 16:03 12h 03m 1 Stop (ORD) Chicago
      • BUFBuffalo Airport 07:00
        ORDChicago O'Hare International Airport 13:19
      • ORDChicago O'Hare International Airport 07:58
        SEASeattle/Tacoma International Airport 16:03
      • 12h 03m (5h 21m)
      • 1 Stop ORD · Chicago 5h 21m
      • American Airlines (AA 4053)Embraer 170
        Alaska Airlines (AS 335)Boeing 737 800
      • American Airlines (AA 4053)
        • -
        • -
        • -
        • -
        • -
        • S
        • -
      • 07:10 BUF
        12:38 SEA
        8Hrs, 28m 1 Stop (ORD)
      • BUFBuffalo Airport 07:10 - SEA 12:38 8h 28m 1 Stop (ORD) Chicago
      • BUFBuffalo Airport 07:10
        ORDChicago O'Hare International Airport 09:57
      • ORDChicago O'Hare International Airport 08:07
        SEASeattle/Tacoma International Airport 12:38
      • 8h 28m (1h 50m)
      • 1 Stop ORD · Chicago 1h 50m
      • American Airlines (AA 4053)Embraer 170
        American Airlines (AA 2398)Boeing 737 Max 8 Passenger
      • American Airlines (AA 4053)
        • -
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        • -
        • -
        • -
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      • 07:10 BUF
        15:45 SEA
        11Hrs, 35m 1 Stop (ORD)
      • BUFBuffalo Airport 07:10 - SEA 15:45 11h 35m 1 Stop (ORD) Chicago
      • BUFBuffalo Airport 07:10
        ORDChicago O'Hare International Airport 13:05
      • ORDChicago O'Hare International Airport 08:07
        SEASeattle/Tacoma International Airport 15:45
      • 11h 35m (4h 58m)
      • 1 Stop ORD · Chicago 4h 58m
      • American Airlines (AA 4053)Embraer 170
        Alaska Airlines (AS 335)Boeing 737 900
      • American Airlines (AA 4053)
        • -
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        • W
        • -
        • -
        • -
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      • 07:15 BUF
        12:40 SEA
        8Hrs, 25m 1 Stop (ORD)
      • BUFBuffalo Airport 07:15 - SEA 12:40 8h 25m 1 Stop (ORD) Chicago
      • BUFBuffalo Airport 07:15
        ORDChicago O'Hare International Airport 09:55
      • ORDChicago O'Hare International Airport 08:13
        SEASeattle/Tacoma International Airport 12:40
      • 8h 25m (1h 42m)
      • 1 Stop ORD · Chicago 1h 42m
      • American Airlines (AA 4053)Embraer 170
        American Airlines (AA 2398)Boeing 737 800
      • American Airlines (AA 4053)
        • M
        • -
        • -
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        • -
        • -
        • -
      • 07:15 BUF
        15:45 SEA
        11Hrs, 30m 1 Stop (ORD)
      • BUFBuffalo Airport 07:15 - SEA 15:45 11h 30m 1 Stop (ORD) Chicago
      • BUFBuffalo Airport 07:15
        ORDChicago O'Hare International Airport 13:05
      • ORDChicago O'Hare International Airport 08:13
        SEASeattle/Tacoma International Airport 15:45
      • 11h 30m (4h 52m)
      • 1 Stop ORD · Chicago 4h 52m
      • American Airlines (AA 4053)Embraer 170
        Alaska Airlines (AS 335)Boeing 737 900
      • American Airlines (AA 4053)
        • M
        • -
        • -
        • -
        • -
        • -
        • -
      • 07:30 BUF
        12:25 SEA
        7Hrs, 55m 1 Stop (MDW)
      • BUFBuffalo Airport 07:30 - SEA 12:25 7h 55m 1 Stop (MDW) Chicago
      • BUFBuffalo Airport 07:30
        MDWChicago Midway Airport 09:45
      • MDWChicago Midway Airport 08:15
        SEASeattle/Tacoma International Airport 12:25
      • 7h 55m (1h 30m)
      • 1 Stop MDW · Chicago 1h 30m
      • Southwest Airlines (WN 1360)Boeing 737 800
        Southwest Airlines (WN 1048)Boeing 737 700
      • Southwest Airlines (WN 1360)
        • M
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        • F
        • -
        • S
      • 08:10 BUF
        12:25 SEA
        7Hrs, 15m 1 Stop (MDW)
      • BUFBuffalo Airport 08:10 - SEA 12:25 7h 15m 1 Stop (MDW) Chicago
      • BUFBuffalo Airport 08:10
        MDWChicago Midway Airport 09:45
      • MDWChicago Midway Airport 08:55
        SEASeattle/Tacoma International Airport 12:25
      • 7h 15m (50m)
      • 1 Stop MDW · Chicago 50m
      • Southwest Airlines (WN 1360)Boeing 737 800
        Southwest Airlines (WN 4350)Boeing 737 Max 8 Passenger
      • Southwest Airlines (WN 1360)
        • -
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        • -
        • -
        • -
        • -
      • 11:06 BUF
        15:45 SEA
        7Hrs, 39m 1 Stop (ORD)
      • BUFBuffalo Airport 11:06 - SEA 15:45 7h 39m 1 Stop (ORD) Chicago
      • BUFBuffalo Airport 11:06
        ORDChicago O'Hare International Airport 13:05
      • ORDChicago O'Hare International Airport 12:03
        SEASeattle/Tacoma International Airport 15:45
      • 7h 39m (1h 02m)
      • 1 Stop ORD · Chicago 1h 02m
      • American Airlines (AA 4093)Embraer 170
        Alaska Airlines (AS 335)Boeing 737 800
      • American Airlines (AA 4093)
        • -
        • -
        • -
        • T
        • -
        • -
        • -
      • 11:06 BUF
        15:45 SEA
        7Hrs, 39m 1 Stop (ORD)
      • BUFBuffalo Airport 11:06 - SEA 15:45 7h 39m 1 Stop (ORD) Chicago
      • BUFBuffalo Airport 11:06
        ORDChicago O'Hare International Airport 13:05
      • ORDChicago O'Hare International Airport 12:03
        SEASeattle/Tacoma International Airport 15:45
      • 7h 39m (1h 02m)
      • 1 Stop ORD · Chicago 1h 02m
      • American Airlines (AA 4093)Embraer 170
        Alaska Airlines (AS 335)Boeing 737 900
      • American Airlines (AA 4093)
        • M
        • -
        • -
        • -
        • -
        • -
        • -
      • 11:06 BUF
        16:03 SEA
        7Hrs, 57m 1 Stop (ORD)
      • BUFBuffalo Airport 11:06 - SEA 16:03 7h 57m 1 Stop (ORD) Chicago
      • BUFBuffalo Airport 11:06
        ORDChicago O'Hare International Airport 13:19
      • ORDChicago O'Hare International Airport 12:03
        SEASeattle/Tacoma International Airport 16:03
      • 7h 57m (1h 16m)
      • 1 Stop ORD · Chicago 1h 16m
      • American Airlines (AA 4093)Embraer 170
        Alaska Airlines (AS 335)Boeing 737 Max 9 Passenger
      • American Airlines (AA 4093)
        • -
        • -
        • -
        • -
        • -
        • -
        • S
      • 11:06 BUF
        16:03 SEA
        7Hrs, 57m 1 Stop (ORD)
      • BUFBuffalo Airport 11:06 - SEA 16:03 7h 57m 1 Stop (ORD) Chicago
      • BUFBuffalo Airport 11:06
        ORDChicago O'Hare International Airport 13:19
      • ORDChicago O'Hare International Airport 12:03
        SEASeattle/Tacoma International Airport 16:03
      • 7h 57m (1h 16m)
      • 1 Stop ORD · Chicago 1h 16m
      • American Airlines (AA 4093)Embraer 170
        Alaska Airlines (AS 335)Boeing 737 800
      • American Airlines (AA 4093)
        • -
        • -
        • -
        • -
        • F
        • -
        • -
      • 16:21 DTW
        12:03 ORD
        10Hrs, 15m 1 Stop (SEA)
      • DTWDetroit Wayne County 16:21 - ORD 12:03 10h 15m 1 Stop (SEA) Seattle
      • DTWDetroit Wayne County 16:21
        BUFBuffalo Airport 11:06
      • SEASeattle/Tacoma International Airport 18:21
        ORDChicago O'Hare International Airport 12:03
      • 10h 15m (2h 01m)
      • 1 Stop SEA · Seattle 2h 01m
      • Alaska Airlines (AS 304)Boeing 737
        American Airlines (AA 4093)Embraer 170
      • Alaska Airlines (AS 304)
        • M
        • -
        • -
        • -
        • -
        • -
        • -
      • 16:21 DTW
        12:03 ORD
        10Hrs, 15m 1 Stop (SEA)
      • DTWDetroit Wayne County 16:21 - ORD 12:03 10h 15m 1 Stop (SEA) Seattle
      • DTWDetroit Wayne County 16:21
        BUFBuffalo Airport 11:06
      • SEASeattle/Tacoma International Airport 18:21
        ORDChicago O'Hare International Airport 12:03
      • 10h 15m (2h)
      • 1 Stop SEA · Seattle 2h
      • Alaska Airlines (AS 304)Boeing 737
        American Airlines (AA 4093)Embraer 170
      • Alaska Airlines (AS 304)
        • -
        • -
        • -
        • T
        • -
        • -
        • -
      • 17:44 PDX
        12:41 ORD
        10Hrs, 05m 1 Stop (SEA)
      • PDXPortland Airport 17:44 - ORD 12:41 10h 05m 1 Stop (SEA) Seattle
      • PDXPortland Airport 17:44
        BUFBuffalo Airport 11:44
      • SEASeattle/Tacoma International Airport 18:49
        ORDChicago O'Hare International Airport 12:41
      • 10h 05m (2h 28m)
      • 1 Stop SEA · Seattle 2h 28m
      • Alaska Airlines (AS 2102)Embraer Emb 175
        American Airlines (AA 4093)Embraer 170
      • Alaska Airlines (AS 2102)
        • -
        • -
        • -
        • -
        • -
        • S
        • -
      • 17:50 PDX
        12:40 ORD
        10Hrs, 08m 1 Stop (SEA)
      • PDXPortland Airport 17:50 - ORD 12:40 10h 08m 1 Stop (SEA) Seattle
      • PDXPortland Airport 17:50
        BUFBuffalo Airport 11:44
      • SEASeattle/Tacoma International Airport 18:52
        ORDChicago O'Hare International Airport 12:40
      • 10h 08m (2h 39m)
      • 1 Stop SEA · Seattle 2h 39m
      • Alaska Airlines (AS 930)Boeing 737 Max 9 Passenger
        American Airlines (AA 4093)Embraer 170
      • Alaska Airlines (AS 930)
        • -
        • T
        • -
        • -
        • -
        • -
        • -
      • 17:50 PDX
        12:40 ORD
        10Hrs, 08m 1 Stop (SEA)
      • PDXPortland Airport 17:50 - ORD 12:40 10h 08m 1 Stop (SEA) Seattle
      • PDXPortland Airport 17:50
        BUFBuffalo Airport 11:44
      • SEASeattle/Tacoma International Airport 18:52
        ORDChicago O'Hare International Airport 12:40
      • 10h 08m (2h 39m)
      • 1 Stop SEA · Seattle 2h 39m
      • Alaska Airlines (AS 930)Boeing 737
        American Airlines (AA 4093)Embraer 170
      • Alaska Airlines (AS 930)
        • -
        • -
        • W
        • -
        • -
        • -
        • -
      • 11:44 BUF
        20:35 SEA
        11Hrs, 51m 1 Stop (ORD)
      • BUFBuffalo Airport 11:44 - SEA 20:35 11h 51m 1 Stop (ORD) Chicago
      • BUFBuffalo Airport 11:44
        ORDChicago O'Hare International Airport 17:54
      • ORDChicago O'Hare International Airport 12:40
        SEASeattle/Tacoma International Airport 20:35
      • 11h 51m (5h 14m)
      • 1 Stop ORD · Chicago 5h 14m
      • American Airlines (AA 4093)Embraer 170
        Alaska Airlines (AS 353)Boeing 737 Max 9 Passenger
      • American Airlines (AA 4093)
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      • 11:52 BUF
        18:20 SEA
        9Hrs, 28m 1 Stop (CLT)
      • BUFBuffalo Airport 11:52 - SEA 18:20 9h 28m 1 Stop (CLT) Charlotte
      • BUFBuffalo Airport 11:52
        CLTCharlotte Airport 15:30
      • CLTCharlotte Airport 13:49
        SEASeattle/Tacoma International Airport 18:20
      • 9h 28m (1h 41m)
      • 1 Stop CLT · Charlotte 1h 41m
      • American Airlines (AA 1476)Airbus
        American Airlines (AA 506)Airbus
      • American Airlines (AA 1476)
        • M
        • T
        • -
        • T
        • F
        • -
        • S
      • 11:52 BUF
        20:55 SEA
        12Hrs, 03m 1 Stop (CLT)
      • BUFBuffalo Airport 11:52 - SEA 20:55 12h 03m 1 Stop (CLT) Charlotte
      • BUFBuffalo Airport 11:52
        CLTCharlotte Airport 18:04
      • CLTCharlotte Airport 13:49
        SEASeattle/Tacoma International Airport 20:55
      • 12h 03m (4h 15m)
      • 1 Stop CLT · Charlotte 4h 15m
      • American Airlines (AA 1476)Airbus
        American Airlines (AA 2793)Airbus
      • American Airlines (AA 1476)
        • M
        • -
        • -
        • T
        • F
        • S
        • S
      • 11:55 BUF
        18:20 SEA
        9Hrs, 25m 1 Stop (CLT)
      • BUFBuffalo Airport 11:55 - SEA 18:20 9h 25m 1 Stop (CLT) Charlotte
      • BUFBuffalo Airport 11:55
        CLTCharlotte Airport 15:30
      • CLTCharlotte Airport 13:52
        SEASeattle/Tacoma International Airport 18:20
      • 9h 25m (1h 38m)
      • 1 Stop CLT · Charlotte 1h 38m
      • American Airlines (AA 1476)Airbus
        American Airlines (AA 506)Airbus
      • American Airlines (AA 1476)
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        • -
        • W
        • -
        • -
        • -
        • -
      • 11:55 BUF
        20:55 SEA
        12Hrs, 00m 1 Stop (CLT)
      • BUFBuffalo Airport 11:55 - SEA 20:55 12h 1 Stop (CLT) Charlotte
      • BUFBuffalo Airport 11:55
        CLTCharlotte Airport 18:04
      • CLTCharlotte Airport 13:52
        SEASeattle/Tacoma International Airport 20:55
      • 12h (4h 12m)
      • 1 Stop CLT · Charlotte 4h 12m
      • American Airlines (AA 1476)Airbus
        American Airlines (AA 2793)Airbus
      • American Airlines (AA 1476)
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        • -
        • W
        • -
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        • -
        • -
      • 12:35 BUF
        20:34 SEA
        10Hrs, 59m 1 Stop (DCA)
      • BUFBuffalo Airport 12:35 - SEA 20:34 10h 59m 1 Stop (DCA) Washington
      • BUFBuffalo Airport 12:35
        DCAWashington Ronald Reagan National Airport 17:39
      • DCAWashington Ronald Reagan National Airport 13:59
        SEASeattle/Tacoma International Airport 20:34
      • 10h 59m (3h 40m)
      • 1 Stop DCA · Washington 3h 40m
      • American Airlines (AA 5213)Crj 700 Canadair Regional
        Alaska Airlines (AS 3)Boeing 737 800
      • American Airlines (AA 5213)
        • M
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      • 12:35 BUF
        20:34 SEA
        10Hrs, 59m 1 Stop (DCA)
      • BUFBuffalo Airport 12:35 - SEA 20:34 10h 59m 1 Stop (DCA) Washington
      • BUFBuffalo Airport 12:35
        DCAWashington Ronald Reagan National Airport 17:39
      • DCAWashington Ronald Reagan National Airport 13:59
        SEASeattle/Tacoma International Airport 20:34
      • 10h 59m (3h 40m)
      • 1 Stop DCA · Washington 3h 40m
      • American Airlines (AA 5213)Crj 700 Canadair Regional
        Alaska Airlines (AS 3)Boeing 737 Max 8 Passenger
      • American Airlines (AA 5213)
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        • W
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        • -
        • -
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      • 12:35 BUF
        20:35 SEA
        11Hrs, 00m 1 Stop (DCA)
      • BUFBuffalo Airport 12:35 - SEA 20:35 11h 1 Stop (DCA) Washington
      • BUFBuffalo Airport 12:35
        DCAWashington Ronald Reagan National Airport 17:40
      • DCAWashington Ronald Reagan National Airport 13:59
        SEASeattle/Tacoma International Airport 20:35
      • 11h (3h 41m)
      • 1 Stop DCA · Washington 3h 41m
      • American Airlines (AA 5213)Crj 700 Canadair Regional
        Alaska Airlines (AS 3)Boeing 737 800
      • American Airlines (AA 5213)
        • -
        • -
        • -
        • -
        • F
        • S
        • S
      • 17:00 BNA
        13:59 PHL
        10Hrs, 22m 1 Stop (SEA)
      • BNANashville Airport 17:00 - PHL 13:59 10h 22m 1 Stop (SEA) Seattle
      • BNANashville Airport 17:00
        BUFBuffalo Airport 12:38
      • SEASeattle/Tacoma International Airport 20:00
        PHLPhiladelphia International Airport 13:59
      • 10h 22m (1h 46m)
      • 1 Stop SEA · Seattle 1h 46m
      • Alaska Airlines (AS 411)Boeing 737 Max 9 Passenger
        American Airlines (AA 5807)Er4 Embraer Rj145 Amazon
      • Alaska Airlines (AS 411)
        • -
        • -
        • -
        • T
        • -
        • -
        • -
      • 17:00 BNA
        13:59 PHL
        10Hrs, 29m 1 Stop (SEA)
      • BNANashville Airport 17:00 - PHL 13:59 10h 29m 1 Stop (SEA) Seattle
      • BNANashville Airport 17:00
        BUFBuffalo Airport 12:38
      • SEASeattle/Tacoma International Airport 20:07
        PHLPhiladelphia International Airport 13:59
      • 10h 29m (1h 46m)
      • 1 Stop SEA · Seattle 1h 46m
      • Alaska Airlines (AS 411)Boeing 737 Max 9 Passenger
        American Airlines (AA 5807)Er4 Embraer Rj145 Amazon
      • Alaska Airlines (AS 411)
        • M
        • T
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        • -
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      • 13:50 BUF
        18:54 SEA
        8Hrs, 04m 1 Stop (ORD)
      • BUFBuffalo Airport 13:50 - SEA 18:54 8h 04m 1 Stop (ORD) Chicago
      • BUFBuffalo Airport 13:50
        ORDChicago O'Hare International Airport 16:05
      • ORDChicago O'Hare International Airport 14:49
        SEASeattle/Tacoma International Airport 18:54
      • 8h 04m (1h 16m)
      • 1 Stop ORD · Chicago 1h 16m
      • United Airlines (UA 4381)Canadair Regional Jet 550
        United Airlines (UA 2278)Airbus
      • United Airlines (UA 4381)
        • M
        • -
        • -
        • T
        • F
        • S
        • S
      • 19:05 DEN
        14:49 ORD
        10Hrs, 20m 1 Stop (SEA)
      • DENDenver Intl Airport 19:05 - ORD 14:49 10h 20m 1 Stop (SEA) Seattle
      • DENDenver Intl Airport 19:05
        BUFBuffalo Airport 13:50
      • SEASeattle/Tacoma International Airport 21:10
        ORDChicago O'Hare International Airport 14:49
      • 10h 20m (2h 26m)
      • 1 Stop SEA · Seattle 2h 26m
      • United Airlines (UA 299)Airbus
        United Airlines (UA 4381)Canadair Regional Jet 550
      • United Airlines (UA 299)
        • -
        • -
        • W
        • -
        • -
        • S
        • S
      • 19:05 DEN
        14:49 ORD
        10Hrs, 20m 1 Stop (SEA)
      • DENDenver Intl Airport 19:05 - ORD 14:49 10h 20m 1 Stop (SEA) Seattle
      • DENDenver Intl Airport 19:05
        BUFBuffalo Airport 13:50
      • SEASeattle/Tacoma International Airport 21:10
        ORDChicago O'Hare International Airport 14:49
      • 10h 20m (2h 27m)
      • 1 Stop SEA · Seattle 2h 27m
      • United Airlines (UA 299)Airbus
        United Airlines (UA 4381)Canadair Regional Jet 550
      • United Airlines (UA 299)
        • M
        • T
        • -
        • T
        • F
        • -
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      • 14:55 BUF
        20:20 SEA
        8Hrs, 25m 1 Stop (IAD)
      • BUFBuffalo Airport 14:55 - SEA 20:20 8h 25m 1 Stop (IAD) Washington
      • BUFBuffalo Airport 14:55
        IADWashington Dulles International Airport 17:15
      • IADWashington Dulles International Airport 16:15
        SEASeattle/Tacoma International Airport 20:20
      • 8h 25m (1h)
      • 1 Stop IAD · Washington 1h
      • United Airlines (UA 4291)Embraer
        United Airlines (UA 326)Boeing 737 900
      • United Airlines (UA 4291)
        • M
        • T
        • W
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      • 15:28 BUF
        22:00 SEA
        9Hrs, 32m 1 Stop (PHL)
      • BUFBuffalo Airport 15:28 - SEA 22:00 9h 32m 1 Stop (PHL) Philadelphia
      • BUFBuffalo Airport 15:28
        PHLPhiladelphia International Airport 18:55
      • PHLPhiladelphia International Airport 16:49
        SEASeattle/Tacoma International Airport 22:00
      • 9h 32m (2h 06m)
      • 1 Stop PHL · Philadelphia 2h 06m
      • American Airlines (AA 5828)Er4 Embraer Rj145 Amazon
        Alaska Airlines (AS 443)Boeing 737 Max 9 Passenger
      • American Airlines (AA 5828)
        • -
        • T
        • -
        • -
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      How far is Seattle from Buffalo?

      The flight distance between Buffalo and Seattle is 3397km. Check all available flights on Wego.

      When is the earliest and latest flight of the day?

      The earliest flight of the day departs at 05:14. The last flight of the day departs at 05:14. See the full list of flight times on Wego.

      All Airports in Buffalo

      Buffalo Airport BUF

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