£137 Cheap Flights from Chicago (ORD) to Ottawa (YOW)

View £137 flight on Tue, 16 Sep 2025Opens 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 £137 for one-way flights and £306 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Thu, 4 Sep - Wed, 10 Sep
ORD
Chicago
YOW
Ottawa
£306 Return, found 6 days ago
£306
Return
found 6 days ago
Select Air Canada flight, departing Thu, 4 Sep from Chicago to Ottawa, returning Wed, 10 Sep, priced at £306 found 6 days ago
Air Canada
Thu, 4 Sep - Wed, 10 Sep
ORD
Chicago
YOW
Ottawa
£310 Return, found 6 days ago
£310
Return
found 6 days ago
Select Air Canada flight, departing Thu, 4 Sep from Chicago to Ottawa, returning Wed, 10 Sep, priced at £310 found 6 days ago
Air Canada
Thu, 4 Sep - Wed, 10 Sep
ORD
Chicago
YOW
Ottawa
£315 Return, found 6 days ago
£315
Return
found 6 days ago
Select Air Canada flight, departing Thu, 4 Sep from Chicago to Ottawa, returning Wed, 10 Sep, priced at £315 found 6 days ago
Air Canada
Thu, 4 Sep - Wed, 10 Sep
ORD
Chicago
YOW
Ottawa
£328 Return, found 6 days ago
£328
Return
found 6 days ago
Select Air Canada flight, departing Thu, 4 Sep from Chicago to Ottawa, returning Wed, 10 Sep, priced at £328 found 6 days ago
Air Canada
Thu, 4 Sep - Wed, 10 Sep
ORD
Chicago
YOW
Ottawa
£331 Return, found 6 days ago
£331
Return
found 6 days ago
Select Air Canada flight, departing Thu, 4 Sep from Chicago to Ottawa, returning Wed, 10 Sep, priced at £331 found 6 days ago
Air Canada
Thu, 4 Sep - Wed, 10 Sep
ORD
Chicago
YOW
Ottawa
£333 Return, found 6 days ago
£333
Return
found 6 days ago
Select Air Canada flight, departing Thu, 4 Sep from Chicago to Ottawa, returning Wed, 10 Sep, priced at £333 found 6 days ago
Air Canada
Thu, 4 Sep - Wed, 10 Sep
ORD
Chicago
YOW
Ottawa
£335 Return, found 6 days ago
£335
Return
found 6 days ago
Select Air Canada flight, departing Thu, 4 Sep from Chicago to Ottawa, returning Wed, 10 Sep, priced at £335 found 6 days ago
Air Canada
Thu, 4 Sep - Wed, 10 Sep
ORD
Chicago
YOW
Ottawa
£351 Return, found 6 days ago
£351
Return
found 6 days ago
Select Air Canada flight, departing Thu, 4 Sep from Chicago to Ottawa, returning Wed, 10 Sep, priced at £351 found 6 days ago
Air Canada
Thu, 4 Sep - Wed, 10 Sep
ORD
Chicago
YOW
Ottawa
£353 Return, found 6 days ago
£353
Return
found 6 days ago
Select Air Canada flight, departing Thu, 4 Sep from Chicago to Ottawa, returning Wed, 10 Sep, priced at £353 found 6 days ago
Air Canada
Thu, 4 Sep - Wed, 10 Sep
ORD
Chicago
YOW
Ottawa
£358 Return, found 6 days ago
£358
Return
found 6 days ago
Select Air Canada flight, departing Thu, 4 Sep from Chicago to Ottawa, returning Wed, 10 Sep, priced at £358 found 6 days ago

Find the cheapest month to fly from Chicago (ORD) to Ottawa (YOW)

May is typically the cheapest month to fly

From £218 - £669 per traveller.

Graph displaying average flight prices per month

Flight from Chicago to Ottawa route information
Origin airport
O'Hare Intl.
Destination airport
Macdonald-Cartier Intl.
Return price
£305
Distance
1045 km
Average flight time
3 hours 12 mins

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 £306 and range up to £358.  

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 September, 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.  

Frequently asked questions

How much is a flight from O'Hare Intl. Airport (ORD) to Ottawa Intl. Airport?
Start packing your bags, because round-trip journeys from O'Hare Airport to YOW start from £306. That's based on fares listed within the last 7 days on Expedia for flights departing within the next year. Prices can move quickly, so book today to lock in the best deal. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from ORD to YOW?
Each airline has its own terms and conditions. If you decide to cancel your getaway, head to our Customer Service Portal.
How do I find cheap flights from ORD to Ottawa International Airport that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for O'Hare Airport to Ottawa Intl. Airport flights, you'll see a "no change fees" filter for you to select.
How far is the flight from O'Hare Intl. Airport (ORD) to YOW?
With a flight distance of 1,050 kilometres, it's only a short hop from ORD to YOW. It might be a quick journey, but it's still worth bringing along a book to read.
Which airlines fly direct from O'Hare Airport to Ottawa Intl. Airport?
If you'd like to fly directly from O'Hare Airport to Ottawa Intl. Airport, United Airlines (UA) is a great choice. It operates 30 monthly flights between Chicago and Ottawa.
Are O'Hare Airport to Macdonald-Cartier Intl. Airport (YOW) flight tickets cheaper when they're purchased at the last minute?
Late planners can occasionally pick up a bargain, with some super cheap airfares from O'Hare Airport to Ottawa International Airport cropping up a few weeks before the date of departure. If you'd rather book ahead of time, Expedia compares and updates all the best flight deals continuously — as early as 12 months in advance in some cases. It does depend on the carrier though, as not all airlines quote prices so far in advance.

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