£174 Cheap Flights from Chicago (ORD) to Ottawa (YOW)

View £174 flight on Sun, 6 Sept 2026Opens in a new window

Popular airlines from Chicago O'Hare International Airport (ORD) to Ottawa International Airport (YOW)

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Cheap Flights from Chicago (ORD) to Ottawa (YOW)

Prices were available within the past 7 days and start at £174 for one-way flights and £426 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Fri, 15 May - Fri, 22 May
ORD
Chicago
YOW
Ottawa
£426 Return, found 6 days ago
£426
Return
found 6 days ago
Select Air Canada flight, departing Fri, 15 May from Chicago to Ottawa, returning Fri, 22 May, priced at £426 found 6 days ago
Air Canada
Fri, 15 May - Fri, 22 May
ORD
Chicago
YOW
Ottawa
£435 Return, found 6 days ago
£435
Return
found 6 days ago
Select Air Canada flight, departing Fri, 15 May from Chicago to Ottawa, returning Fri, 22 May, priced at £435 found 6 days ago
Porter Airlines
Wed, 2 Sept - Fri, 4 Sept
ORD
Chicago
YOW
Ottawa
£440 Return, found 5 days ago
£440
Return
found 5 days ago
Select Porter Airlines flight, departing Wed, 2 Sept from Chicago to Ottawa, returning Fri, 4 Sept, priced at £440 found 5 days ago
Air Canada
Fri, 15 May - Fri, 22 May
ORD
Chicago
YOW
Ottawa
£443 Return, found 6 days ago
£443
Return
found 6 days ago
Select Air Canada flight, departing Fri, 15 May from Chicago to Ottawa, returning Fri, 22 May, priced at £443 found 6 days ago
JetBlue Airways
Thu, 28 May - Sun, 31 May
ORD
Chicago
YOW
Ottawa
£452 Return, found 3 days ago
£452
Return
found 3 days ago
Select JetBlue Airways flight, departing Thu, 28 May from Chicago to Ottawa, returning Sun, 31 May, priced at £452 found 3 days ago
Air Canada
Thu, 14 May - Thu, 21 May
ORD
Chicago
YOW
Ottawa
£453 Return, found 6 days ago
£453
Return
found 6 days ago
Select Air Canada flight, departing Thu, 14 May from Chicago to Ottawa, returning Thu, 21 May, priced at £453 found 6 days ago
Porter Airlines
Wed, 2 Sept - Fri, 4 Sept
ORD
Chicago
YOW
Ottawa
£458 Return, found 5 days ago
£458
Return
found 5 days ago
Select Porter Airlines flight, departing Wed, 2 Sept from Chicago to Ottawa, returning Fri, 4 Sept, priced at £458 found 5 days ago
JetBlue Airways
Wed, 20 May - Wed, 27 May
ORD
Chicago
YOW
Ottawa
£458 Return, found 6 days ago
£458
Return
found 6 days ago
Select JetBlue Airways flight, departing Wed, 20 May from Chicago to Ottawa, returning Wed, 27 May, priced at £458 found 6 days ago
Air Canada
Thu, 14 May - Thu, 21 May
ORD
Chicago
YOW
Ottawa
£460 Return, found 6 days ago
£460
Return
found 6 days ago
Select Air Canada flight, departing Thu, 14 May from Chicago to Ottawa, returning Thu, 21 May, priced at £460 found 6 days ago
JetBlue Airways
Wed, 20 May - Wed, 27 May
ORD
Chicago
YOW
Ottawa
£463 Return, found 6 days ago
£463
Return
found 6 days ago
Select JetBlue Airways flight, departing Wed, 20 May from Chicago to Ottawa, returning Wed, 27 May, priced at £463 found 6 days ago

Alternative airports near Ottawa

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Macdonald-Cartier Intl. YOW. Cheapest option available. Average driving time to city centre is 15 minutes. Flights from £426
YOW
Macdonald-Cartier Intl.
Cheapest
Average driving time to city centre15 min
Flights from £426

Frequently asked questions

Which airlines fly direct from Chicago, IL (ORD-O'Hare Intl.) to Ottawa, ON (YOW-Macdonald-Cartier Intl.)?
Enter ORD to YOW and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
How do I find cheap flights from Chicago, IL (ORD-O'Hare Intl.) to Ottawa, ON (YOW-Macdonald-Cartier Intl.)?
To find a cheap flight from Chicago, IL (ORD-O'Hare Intl.) to Ottawa, ON (YOW-Macdonald-Cartier Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from Chicago, IL (ORD-O'Hare Intl.) to Ottawa, ON (YOW-Macdonald-Cartier Intl.)?
The best airline to fly with from Chicago, IL (ORD-O'Hare Intl.) to Ottawa, ON (YOW-Macdonald-Cartier Intl.) will differ from traveller to traveller. If you like to fly early, UA offers early morning flights. If price is the most important factor, UA typically offers the lowest fares. UA offers the most daily flights from Chicago, IL (ORD-O'Hare Intl.) to Ottawa, ON (YOW-Macdonald-Cartier Intl.), which is brilliant if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from Chicago, IL (ORD-O'Hare Intl.) to Ottawa, ON (YOW-Macdonald-Cartier Intl.)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from Chicago, IL (ORD-O'Hare Intl.) to Ottawa, ON (YOW-Macdonald-Cartier Intl.)?
There are approximately 3 nonstop flights per day from Chicago, IL (ORD-O'Hare Intl.) to Ottawa, ON (YOW-Macdonald-Cartier Intl.). For even more choice, look at flights that include layovers. You'll find around 73 connecting flights per day. Some common connection points include Pearson Intl. (YYZ), LaGuardia (LGA), and Liberty Intl. (EWR).
What is the earliest flight from Chicago, IL (ORD-O'Hare Intl.) to Ottawa, ON (YOW-Macdonald-Cartier Intl.)?
The earliest flight from Chicago O'Hare International Airport (ORD) to Ottawa Macdonald-Cartier International Airport (YOW) typically departs at approximately 5:00 AM local time, operated by United Airlines and Air Canada. This is a seasonal service active in April. An early departure like this can help you maximise your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Chicago, IL (ORD-O'Hare Intl.) to Ottawa, ON (YOW-Macdonald-Cartier Intl.)?
You'll find the most flights from Chicago, IL (ORD-O'Hare Intl.) to Ottawa, ON (YOW-Macdonald-Cartier Intl.) on a Wednesday, with around 61 flights available. This gives you plenty of options for your travel plans. Major airlines on this route include United Airlines, Air Canada, and Delta Air Lines. Flight schedules are consistent throughout the week.
What are the most popular departure times for flights from Chicago, IL (ORD-O'Hare Intl.) to Ottawa, ON (YOW-Macdonald-Cartier Intl.)?
The most popular departure times for flights from Chicago, IL (ORD-O'Hare Intl.) to Ottawa, ON (YOW-Macdonald-Cartier Intl.) are between 12pm and 3pm. Approximately 27% of passengers prefer this time window. Many major carriers, including United Airlines and Air Canada, offer flights during this window. This timing works well because it allows for a morning in Chicago and an afternoon arrival in Ottawa.
How long does it take to fly from Chicago, IL (ORD-O'Hare Intl.) to Ottawa, ON (YOW-Macdonald-Cartier Intl.)?
Flying nonstop from ORD to YOW takes around 2 hours 20 minutes, with the route covering approximately 653 miles. Flights with a layover typically take 3 hours longer than direct options. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Chicago, IL (ORD-O'Hare Intl.) to Ottawa, ON (YOW-Macdonald-Cartier Intl.)?
Select the "Business class" and "First class" filters when looking for ORD to YOW flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a Chicago, IL (ORD-O'Hare Intl.) to Ottawa, ON (YOW-Macdonald-Cartier Intl.) flight with Expedia?
It's easy to earn miles on a Chicago, IL (ORD-O'Hare Intl.) to Ottawa, ON (YOW-Macdonald-Cartier Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia. *Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Ottawa from O'Hare Intl. (ORD)?
From O'Hare Intl. (ORD), you can fly directly into Macdonald-Cartier Intl. (YOW) to reach Ottawa. Some flights may connect through major hubs like LaGuardia (LGA), Detroit Metropolitan Wayne County (DTW), Logan Intl. (BOS) before reaching Ottawa. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Chicago, IL (ORD-O'Hare Intl.) to Ottawa, ON (YOW-Macdonald-Cartier Intl.) at the last minute?
Typically, booking a last minute flight from Chicago, IL (ORD-O'Hare Intl.) to Ottawa, ON (YOW-Macdonald-Cartier Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Chicago, IL (ORD-O'Hare Intl.) to Ottawa, ON (YOW-Macdonald-Cartier Intl.) flight and hotel package?
Securing a Chicago, IL (ORD-O'Hare Intl.) to Ottawa, ON (YOW-Macdonald-Cartier Intl.) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Chicago, IL (ORD-O'Hare Intl.) to Ottawa, ON (YOW-Macdonald-Cartier Intl.)?
If you booked your Chicago, IL (ORD-O'Hare Intl.) to Ottawa, ON (YOW-Macdonald-Cartier Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
O'Hare Intl.
Destination airport
Macdonald-Cartier Intl.
Return price
£426
Distance
1045 km
Average flight time
3 hours 14 mins

Book with confidence

Compare flights from Chicago to Ottawa easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Chicago to Ottawa. Operating between them flights per day, 20 airlines cover the route. And fly direct, getting you to Macdonald-Cartier Intl. in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from O'Hare Intl. to Macdonald-Cartier Intl..  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from O'Hare Intl. (ORD) to Macdonald-Cartier Intl. (YOW)

The easiest way to view the best deals on flights from Chicago to Ottawa today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from O'Hare Intl. to Macdonald-Cartier Intl. start at just £426 and range up to £463.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near Chicago and Ottawa
  • booking your flight during May, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your Chicago to Ottawa flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from O'Hare Intl. to Macdonald-Cartier Intl. for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Compare flights from Chicago to Ottawa easily and book with confidence

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