Fare Guide

Estimated lowest fares found within 7 days

Cheapest Airline Porter Airlines

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

  • Porter Airlines Porter Airlines
  • Air Transat Air Transat
  • Spirit Airlines Spirit Airlines
  • United Airlines United Airlines
  • Air Canada Air Canada
  • Delta Air Lines Delta Air Lines
  • WestJet WestJet
Cheapest Month July

Travel Period: July 2024 - June 2025

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

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

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

  • Sun Sunday
  • Mon Monday
  • Tue Tuesday
  • Wed Wednesday
  • Thu Thursday
  • Fri Friday
  • Sat Saturday
Cheapest Time 8am

The cheapest time of the day to fly from Ottawa to Chicago is in the morning.

Early Morning 12:01am - 06:00am
Morning 6:01am - 12:00pm
Afternoon 12:01pm - 6:00pm
Evening 6:01pm to 12:00am
12am
6am
12pm
6pm

Flight Schedules

Last Updated: Sun, 2 Jun, 2024

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  • Availability
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    • W
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  • 06:52 - 08:00
    YOW - ORD
  • 06:52 (YOW)Ottawa McDonald Cartier Intl Airport
  • 08:00 (ORD)Chicago O'Hare International Airport
  • United Airlines (UA 4392)Canadair Regional Jet 550
  • 2h 08m
  • Direct
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  • Canadair Regional Jet 550
  • 10:35 - 11:43
    YOW - ORD
  • 10:35 (YOW)Ottawa McDonald Cartier Intl Airport
  • 11:43 (ORD)Chicago O'Hare International Airport
  • United Airlines (UA 4438)Canadair Regional Jet 550
  • 2h 08m
  • Direct
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    • -
  • Canadair Regional Jet 550
  • 18:40 - 19:48
    YOW - ORD
  • 18:40 (YOW)Ottawa McDonald Cartier Intl Airport
  • 19:48 (ORD)Chicago O'Hare International Airport
  • United Airlines (UA 4439)Canadair Regional Jet 550
  • 2h 08m
  • Direct
    • M
    • T
    • W
    • T
    • F
    • -
    • S
  • Canadair Regional Jet 550
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What’s the fastest flight time from Ottawa to Chicago?

The fastest flight time for direct flights from Ottawa to Chicago is 2 hours 8 minutes. Check latest flight schedules & prices on Wego.

How far is Chicago from Ottawa?

The flight distance between Ottawa and Chicago 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 06:52. The last flight of the day departs at 06:52. See the full list of flight times on Wego.

How many airlines offer direct flights from Ottawa to Chicago?

There are 1 airlines that offer direct flights from Ottawa to Chicago. Find out the list of airlines on Wego.