Cheap flights from Chicago O'Hare Intl Airport to Ottawa from $145
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 O'Hare Intl Airport to Ottawa departing on 6/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Discover deals from 900+ travel sites with momondo.
Save money when you book flights with momondo
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from Chicago O'Hare Intl Airport to Ottawa
Cheap round-trip flights
Cheap one-way flights
Cheap direct flights
WestJet flights from Chicago O'Hare Intl Airport to Ottawa
Our best WestJet deals on Chicago O'Hare Intl Airport to Ottawa flight tickets
Delta flights from Chicago O'Hare Intl Airport to Ottawa
Our best Delta deals on Chicago O'Hare Intl Airport to Ottawa flight tickets
See travel insights to Ottawa from
How to get the cheapest flight ticket from Chicago O'Hare Intl Airport 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, March is the cheapest month to fly from Chicago O'Hare Intl Airport to Ottawa. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $261. The month of July is another great option to travel to Ottawa, with average flight prices from Chicago O'Hare Intl Airport averaging around $285.
What is the cheapest day to depart on your flight to Ottawa?
The cheapest day to depart from Chicago O'Hare Intl Airport 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 $697.
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 O'Hare Intl Airport 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 O'Hare Intl Airport in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.
What is the cheapest Chicago O'Hare Intl to Ottawa flight route?
Fly from Chicago O'Hare Intl to Ottawa for the best Chicago O'Hare Intl - Ottawa flight prices
What cabin class options are available on Chicago O'Hare Intl to Ottawa flights?
There are 4 cabin classes available to choose from on Chicago O'Hare Intl 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 O'Hare Intl Airport to Ottawa flight prices changed over time?
What is the cheapest airline that flies from Chicago O'Hare Intl to Ottawa?
Air Canada, WestJet, and United Airlines are the most popular carriers operating from Chicago O'Hare Intl 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 O'Hare Intl Airport according to our data. Air Canada is the first choice among our users, with 70% of people opting to fly with this airline when traveling to Ottawa. Keep in mind that there are 3 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 O'Hare Intl Airport to Ottawa on average per day?
7 flights are operational daily from Chicago O'Hare Intl Airport to Ottawa as of May 2025. The most popular departure time for this route is 6:00PM, with 46% of flights per day taking off in the evening.
How many flights depart from Chicago O'Hare Intl Airport to Ottawa on average per week?
The number of flights available between Chicago O'Hare Intl Airport and Ottawa is 55 per week as of May 2025. The most frequent departure day is Mon, with 24% of weekly flights leaving on this day.
When to book flights from Chicago O'Hare Intl Airport to Ottawa
Cheap Chicago O'Hare Intl Airport to Ottawa (ORD to YOW) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Chicago O'Hare Intl Airport to Ottawa
Best Price Found | $145 |
|---|---|
Fastest flight time | 2h 08m |
Direct flights | Mon, Tue, Wed, Fri, Sat and Sun |
Airports in Ottawa | 1 airport |
How far is Chicago O'Hare Intl to Ottawa by plane?
Ottawa is 653.1 mi away from Chicago O'Hare Intl. Flights usually cover this in 2h 08m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Chicago O'Hare Intl Airport to Ottawa Airport?
Prices for flights from Chicago O'Hare Intl Airport to Ottawa Airport refresh daily.
How many operators does momondo search for flights from Chicago O'Hare Intl Airport to Ottawa Airport?
There are 2 operators available for flights from Chicago O'Hare Intl Airport to Ottawa Airport as of May 2025.
How old do you have to be to fly from Chicago O'Hare Intl Airport 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 O'Hare Intl Airport to Ottawa Airport.
What documentation or ID do you need to fly to Ottawa Airport?
The required travel and health documents for your Ottawa Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Ottawa Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from Chicago O'Hare Intl Airport to Ottawa?
momondo data reveals that the most frequently booked plane model on the route from Chicago O'Hare Intl Airport to Ottawa is Embraer 175 (Enhanced Winglets), representing 35.28% of all bookings. The subsequent popular models are Canadair (Bombardier) Regional Jet CRJ-550 at 25.15%, Embraer 170 at 8.74%, and Airbus A330-300 at 5.06%.
What is the most popular airline from Chicago O'Hare Intl Airport to Ottawa?
Based on momondo bookings for flights between Chicago O'Hare Intl Airport and Ottawa, the leading airline is Air Canada, making up 50% of the total bookings. Other popular airlines include United Airlines with 50%.
Best airlines flying from Chicago O'Hare Intl Airport to Ottawa
Compare and see reviews for airlines that fly from Chicago O'Hare Intl Airport to Ottawa with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $236 | Free Cancellation | Rating 7.0 9,245 reviews | |||
| PriceFrom $236 | Free Cancellation | Rating 7.4 8,696 reviews |
United Airlines Flights From Chicago O'Hare Intl Airport to Ottawa
United Airlines operates around 13 flights from Chicago O'Hare Intl Airport to Ottawa every week. The average price of these flights found in the last 72 hours has been $674, but momondo users have found United Airlines deals from Chicago O'Hare Intl Airport to Ottawa from as low as $236 round-trip. United Airlines has been scored 7.4/10 in 8,696 reviews.
Air Canada Flights From Chicago O'Hare Intl Airport to Ottawa
The best Air Canada deal for Chicago O'Hare Intl Airport to Ottawa flight tickets found on momondo in the last 72 hours was $236, round-trip. It should be noted that an average Air Canada flight deal for this route in this time was higher, at $452 round-trip. Air Canada operates 13 flights out of Chicago O'Hare Intl Airport into Ottawa in an average week, so prices vary by time and availability. 9,252 Air Canada reviews by users on momondo have scored the airline at 7.0/10.
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?
momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Chicago to Ottawa. Millions of users trust and use momondo every year so you are in good hands.
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 provides multiple filters to help you find the best flight to Ottawa from Chicago. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.
I’m not ready to book a flight from Chicago to Ottawa right now. Can momondo alert me if prices change?
Price alerts on flights to Ottawa from Chicago are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.