starting at $128
starting at $176
Compare airlines, prices, and flight durations for your trip
Flaut.Travel was designed and developed by a team dedicated to making the process of searching, comparing and booking airline tickets as easy and convenient as possible. Our service helps travelers to find and buy the cheapest flights from Chicago to Ottawa. We have connected more than 40 airlines and airline ticketing agencies to help you find the most suitable and affordable flight option.
A non-stop flight is the most convenient and comfortable way to fly from Chicago to Ottawa, despite the fact that sometimes flights with transfers can cost significantly less.
A direct flight is the easiest way to get to your destination. The following airlines operate non-stop flights from Chicago to Ottawa:
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Answers to questions about the route that travelers are most interested in.
We keep tight track on airlines' pre-holidays sales and other special offers occurences all the time to let you save maximum amount of funds while traveling to your family or just going out on vacation.
Flights from Chicago to Ottawa are operated by several airlines — United Airlines and Spirit Airlines. This allows passengers to flexibly choose flights based on departure time, cost, and additional services. The minimum ticket price starts at $128, making this destination accessible to travelers with different budgets. We help compare all available options in real time, so you can book tickets at the best value for money. The service ensures transparent search and lets you book affordable flights in just a few clicks.
starting at $128
starting at $176
Chicago — Ottawa
01/30/2026
Departure
Direct flight
UA3509
starting at $508
Chicago — Ottawa
01/31/2026
Departure
Direct flight
UA3509
starting at $128
Chicago — Ottawa
02/04/2026
Departure
Direct flight
UA3402
starting at $337
Unable to find information about the schedule of direct flights from
We couldn't find any special offers for flights from Chicago to Ottawa
The cheapest one-way flight from Chicago to Ottawa departs on 01/31/2026, is operated by United Airlines and costs $128
The cheapest roundtrip flight from Chicago to Ottawa departs on 04/25/2026, is operated by Air Canada and costs $328
Fastest flight from Chicago to Ottawa takes 2h 17m
There are direct flights on this route 3 days a week: We, Fr, and Sa
The distance between Chicago and Ottawa is 1036km (642 miles). The time difference between Chicago and Ottawa is 1h
The cheapest flight ticket from Chicago to Ottawa according to data for the last 48 hours costs $128
Often the best time to buy tickets from Chicago to Ottawa is 2 months before departure.
The fastest flights from Chicago to Ottawa start from 2 hours 17 minutes in the air.
The following airlines operate direct flights on the route Chicago — Ottawa: United Airlines
We carefully collect statistics on the search and pricing of airlines and, based on these data, we make an assumption about future prices. Thus, you can better understand which season is the cheapest to fly from Chicago to Ottawa