Cheap flights from Chicago to Ottawa from $120
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago to Ottawa departing on 5/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Porter Airlines flights from Chicago to Ottawa
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WestJet flights from Chicago to Ottawa
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How to get the cheapest flight ticket from Chicago to Ottawa
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Ottawa?
In general, July is the cheapest month to fly from Chicago to Ottawa. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $379. The month of January is another great option to travel to Ottawa, with average flight prices from Chicago averaging around $424.
What is the cheapest day to depart on your flight to Ottawa?
The cheapest day to depart from Chicago to Ottawa is on a Friday. Travelers who choose to depart for Ottawa on a Friday will often find tickets for as low as $596. Be sure to avoid booking your departure on a Tuesday as prices are generally higher than usual. According to our data, the average ticket price to Ottawa on Tuesday is $723.
What is the cheapest time of day to depart on your flight to Ottawa?
In the morning is the cheapest time of day to fly from Chicago to Ottawa when you can find flight prices for as low as $575. Flying to Ottawa in the morning is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $795 on average. Flights to Ottawa from Chicago in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.
What is the cheapest Chicago to Ottawa flight route?
Fly from Chicago O'Hare Intl to Ottawa for the best Chicago - Ottawa flight prices
What cabin class options are available on Chicago to Ottawa flights?
There are 4 cabin classes available to choose from on Chicago to Ottawa flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
How have Chicago to Ottawa flight prices changed over time?
As of April 2025, prices for Chicago to Ottawa flights are approximately 2% more expensive when compared to flights at the same time last year.
What is the cheapest airline that flies from Chicago to Ottawa?
Porter Airlines, Air Canada, and WestJet are the most popular carriers operating from Chicago to Ottawa
What airlines fly to Ottawa?
Air Canada, United Airlines and American Airlines are the top three most popular airlines that fly to Ottawa from Chicago according to our data. Air Canada is the first choice among our users, with 65% of people opting to fly with this airline when traveling to Ottawa. Keep in mind that there are 4 different airlines that fly to Ottawa on a routine basis, so you have a few additional options to choose from.
How many flights depart from Chicago to Ottawa on average per day?
As of April 2025, 12 flights take off from Chicago and land in Ottawa each day. The most common flight departure time for this route is 6:00PM, with 42% of daily flights taking off in the evening.
How many flights depart from Chicago to Ottawa on average per week?
85 flights are operational weekly from Chicago to Ottawa as of April 2025. The most popular departure day for this route is Mon, with 15% of flights per week taking off on this day.
When to book flights from Chicago to Ottawa
Cheap Chicago to Ottawa (CHI to YOW) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Chicago to Ottawa
Best Price Found | $120 |
|---|---|
Fastest flight time | 2h 08m |
Direct flights | Mon, Wed, Fri, Sat and Sun |
Airports in Ottawa | 1 airport |
How far is Chicago to Ottawa by plane?
Chicago and Ottawa are 643.5 mi apart from one another. By plane, this route typically takes 2h 08m.
When did momondo last update prices for flights from Chicago to Ottawa Airport?
Prices for flights from Chicago to Ottawa Airport refresh daily.
How many operators does momondo search for flights from Chicago to Ottawa Airport?
There are 3 operators available for flights from Chicago to Ottawa Airport as of April 2025.
How old do you have to be to fly from Chicago to Ottawa Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Chicago to Ottawa Airport.
What documentation or ID do you need to fly to Ottawa Airport?
The necessary travel and health documents for your Ottawa Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Chicago to Ottawa?
Based on momondo bookings for flights between Chicago and Ottawa, the leading plane model is Embraer 175 (Enhanced Winglets), making up 35.71% of the total bookings. Other popular models include Canadair (Bombardier) Regional Jet CRJ-550 with 22.62%, Embraer 170 with 11.16%, and Airbus A330-300 with 5.65%.
What is the most popular airline from Chicago to Ottawa?
momondo data reveals that the most frequently booked airline on the route from Chicago to Ottawa is Porter Airlines, representing 44% of all bookings. The subsequent popular airlines are United Airlines at 31% and Air Canada at 25%.
Best airlines flying from Chicago to Ottawa
Compare and see reviews for airlines that fly from Chicago to Ottawa with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $236 | Free Cancellation | Rating 7.0 9,013 reviews | |||
| PriceFrom $236 | Free Cancellation | Rating 7.4 8,615 reviews | |||
| PriceFrom $352 | Free Cancellation | Rating 7.9 278 reviews |
United Airlines Flights From Chicago to Ottawa
United Airlines flies from Chicago to Ottawa around 20 times per week, with 8,615 momondo users rating the airline 7.4/10. The cheapest United Airlines deal from Chicago to Ottawa in the last 72 hours was $236 (round-trip), much lower than the average airfare cost of $701 for United Airlines flights on this route.
Air Canada Flights From Chicago to Ottawa
Air Canada is also a popular choice for this route. Air Canada flight deals for Chicago to Ottawa start from as low as $236 round-trip, depending on your selected dates, with average Air Canada deals seen on momondo around $526. Air Canada operates 20 flights to Ottawa from Chicago in an average week. Users have rated it 7.0/10 across 9,022 reviews.
Traveling to a place near Ottawa?
Book flights to Ottawa if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Chicago to Ottawa?
Finding the right flight to Ottawa from Chicago is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Ottawa quick and easy, saving you time and money.
Can I find flights from Chicago to Ottawa with flexible booking policies on momondo?
Yes. All flights to Ottawa from Chicago on momondo can be compared and filtered by various policies on offer, including flexible booking.
How can momondo help me find flights from Chicago to Ottawa?
momondo helps you find the best flight between Chicago and Ottawa by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.
I’m not ready to book a flight from Chicago to Ottawa right now. Can momondo alert me if prices change?
Yes momondo offers price alerts on flights to Ottawa from Chicago. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.