Fare Guide

Estimated lowest fares found within 7 days

Cheapest Airline United Airlines

The cheapest airline(s) flying from Chicago to Ottawa is United Airlines.

  • United Airlines United Airlines
  • Porter Airlines Porter Airlines
  • Air Canada Air Canada
  • WestJet WestJet
  • Air Transat Air Transat
Cheapest Month May

Travel Period: February 2025 - January 2026

The cheapest month(s) to fly from Chicago to Ottawa is May.

  • Feb 2025
  • Mar 2025
  • Apr 2025
  • May 2025
  • Jun 2025
  • Jul 2025
  • Aug 2025
  • Sep 2025
  • Oct 2025
  • Nov 2025
  • Dec 2025
  • Jan 2026
Cheapest Day of the Week Friday

The cheapest day(s) of the week to fly from Chicago to Ottawa is Friday.

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

Flight Schedules

Last Updated: Thu, 2 Jan, 2025

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      • Availability
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      • 07:20 ORD
        15:03 YOW
        6Hrs, 43m 1 Stop (YUL)
      • ORDChicago O'Hare International Airport 07:20 - YOW 15:03 6h 43m 1 Stop (YUL) Montréal
      • ORDChicago O'Hare International Airport 07:20
        YULMontreal Pierre Elliott Trudeau Int Airport 14:15
      • YULMontreal Pierre Elliott Trudeau Int Airport 10:32
        YOWOttawa McDonald Cartier Intl Airport 15:03
      • 6h 43m (3h 43m)
      • 1 Stop YUL · Montréal 3h 43m
      • Air Canada (AC 8958)Embraer Emb 175
        Air Canada (AC 8005)Dehavilland Dash 8 400
      • Air Canada (AC 8958)
        • M
        • T
        • W
        • T
        • F
        • S
        • S
      • 11:35 ORD
        16:58 YOW
        4Hrs, 23m 1 Stop (YUL)
      • ORDChicago O'Hare International Airport 11:35 - YOW 16:58 4h 23m 1 Stop (YUL) Montréal
      • ORDChicago O'Hare International Airport 11:35
        YULMontreal Pierre Elliott Trudeau Int Airport 16:10
      • YULMontreal Pierre Elliott Trudeau Int Airport 14:47
        YOWOttawa McDonald Cartier Intl Airport 16:58
      • 4h 23m (1h 23m)
      • 1 Stop YUL · Montréal 1h 23m
      • Air Canada (AC 8960)Embraer Emb 175
        Air Canada (AC 8009)Dehavilland Dash 8 400
      • Air Canada (AC 8960)
        • M
        • T
        • W
        • T
        • F
        • S
        • S
      • 15:35 ORD
        22:08 YOW
        5Hrs, 33m 1 Stop (YUL)
      • ORDChicago O'Hare International Airport 15:35 - YOW 22:08 5h 33m 1 Stop (YUL) Montréal
      • ORDChicago O'Hare International Airport 15:35
        YULMontreal Pierre Elliott Trudeau Int Airport 21:20
      • YULMontreal Pierre Elliott Trudeau Int Airport 18:47
        YOWOttawa McDonald Cartier Intl Airport 22:08
      • 5h 33m (2h 33m)
      • 1 Stop YUL · Montréal 2h 33m
      • Air Canada (AC 8962)Embraer Emb 175
        Air Canada (AC 8015)Dehavilland Dash 8 400
      • Air Canada (AC 8962)
        • M
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        • F
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      • 15:35 ORD
        22:12 YOW
        5Hrs, 37m 1 Stop (YUL)
      • ORDChicago O'Hare International Airport 15:35 - YOW 22:12 5h 37m 1 Stop (YUL) Montréal
      • ORDChicago O'Hare International Airport 15:35
        YULMontreal Pierre Elliott Trudeau Int Airport 21:20
      • YULMontreal Pierre Elliott Trudeau Int Airport 18:47
        YOWOttawa McDonald Cartier Intl Airport 22:12
      • 5h 37m (2h 33m)
      • 1 Stop YUL · Montréal 2h 33m
      • Air Canada (AC 8962)Embraer Emb 175
        Air Canada (AC 1989)Airbus
      • Air Canada (AC 8962)
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      How far is Ottawa from Chicago?

      The flight distance between Chicago and Ottawa is 1036km. Check all available flights on Wego.

      When is the earliest and latest flight of the day?

      The earliest flight of the day departs at 07:20. The last flight of the day departs at 07:20. See the full list of flight times on Wego.

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