Cheap flights from Chicago O'Hare International to Ottawa

Compare Chicago O'Hare International to Ottawa flight deals

Find the cheapest month or even day of the year to fly to Ottawa

Book the best Ottawa fare with no extra fees

Flight deals from Chicago O'Hare International to Ottawa

Looking for a cheap last-minute deal or the best round-trip flight from Chicago O'Hare International to Ottawa? Find the lowest prices on one-way and round-trip tickets right here.

When is the cheapest time to fly from Chicago O'Hare International to Ottawa?

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Chicago O'Hare International to Ottawa flights are currently cheapest in December.

Direct flights from Chicago O'Hare International to Ottawa

Alternative Chicago O'Hare International to Ottawa routes

Looking for the cheapest, fastest or easiest route from Chicago O'Hare International to Ottawa? You could fly into the following airports instead.

Chicago to Ottawa: Flight information

The things to know before you go.
Cheapest flight foundC$381
Cheapest month to flyDecember
Average flight time2 hrs, 7 mins
Most popular airlineUnited
Average flights per week95

Finding cheap flights from Chicago O'Hare International to Ottawa: Frequently asked questions

There are 2 airports in Ottawa: Ottawa International and Ottawa Gatineau.
The best price we found for a round-trip flight from Chicago O'Hare International to Ottawa is C$381. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
2 hours and 7 minutes is the average flight time from Chicago O'Hare International to Ottawa.
United, Republic Airways and Air New Zealand fly direct from Chicago O'Hare International to Ottawa.
There are 95 flights per week flying from Chicago O'Hare International to Ottawa, as of October 2024.
The cheapest month to fly from Chicago O'Hare International to Ottawa is usually October 2024.
If you're flying from Chicago O'Hare International Airport, the cheapest airport near Ottawa is Ottawa International – which is 11.2 km away from the center of Ottawa. We've found flights to this airport from C$381.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Chicago O'Hare International Airport to Ottawa on Wednesday, December 25, 2024.
Yes – the average flight time is 2 hours and 7 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Ottawa but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar, and it looks like the cheapest time to book a flight to Ottawa is around 40 days in advance, so don’t leave your flight to the last minute.
In October, the average temperature is usually around 8°C. July is typically the warmest month in Ottawa, when it usually averages around 25°C. You can expect the least rain in February. The coldest month is January, with temperatures averaging -16°C. The rainiest month is June.
Currently, Air Canada offers the cheapest flight tickets to Ottawa.

How to find cheap flights to Ottawa from Chicago O'Hare International

Looking for cheap tickets from Chicago O'Hare International to Ottawa? Here are a few tips on how to secure the best flight price and make your journey as smooth as possible.

  • Simply hit "search." From Delta Air Lines to international carriers like Emirates, we compare all major airlines along with the most popular online travel agents to find the cheapest plane tickets from Chicago O'Hare International to Ottawa. And with us, there are no hidden fees – what you see is what you pay.
  • Compare flight deals to Ottawa from Chicago O'Hare International from over 1,000 providers. Then choose the cheapest plane tickets or fastest journeys.
  • Flex your dates to find the best Chicago O'Hare International–Ottawa ticket prices. If you're flexible when it comes to your travel dates, use Skyscanner's "Whole month" tool to find the cheapest month, and even day to fly to Ottawa from Chicago O'Hare International.
  • Set up a Price Alert. You can easily track the fare of your cheap Chicago O'Hare International–Ottawa flights by creating an alert. Whenever prices go down or up, you'll get an email or push notification to help make sure you get the best possible flight deal.
  • Fly without stops. Only interested in direct flights between Chicago O'Hare International and Ottawa? Make sure to tick "Direct flights only" when performing a search. If there are direct flights available on the route, these will appear in the results.
  • Find the cheapest Business Class flights from Chicago O'Hare International and Ottawa. We scour the Internet for the best Business, Premium Economy and First Class flight fares to Ottawa, too. Check the difference in price as you search – you might just stumble on a last-minute low fare. Note that not all cabin classes are available for every destination or airline.
  • Include nearby airports in your search. Widen your search for Chicago O'Hare International to Ottawa flight deals by selecting the "add nearby airports" option. This will allow you to see flight prices for all the nearest airports at your departure point and your destination and could help you save the next time you travel.
  • Combine your flight to Ottawa from Chicago O'Hare International with hotels and car rental

    Once you've secured your cheap flight ticket from Chicago O'Hare International to Ottawa, discover the best prices and exclusive rates for hotels in Ottawa or nearby. You can also compare hundreds of car rental companies at once so you get the best car rental price for your trip.


Prices shown on this page are estimated lowest prices only. Found in the last 45 days.