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Cheap flights from Chicago O'Hare Intl Airport to Ottawa from $114

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 2/17. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Chicago O'Hare Intl Airport to Ottawa

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
9:05 am - 5:25 pm
ORD
-
YOW
31h 20m
1 stop
Multiple Airlines Logo
7:00 am - 9:17 pm
YOW
-
ORD
15h 17m
1 stop
$261Multiple Airlines
Tue, Apr 7 - Wed, Apr 15
Multiple Airlines Logo
7:17 am - 5:25 pm
ORD
-
YOW
9h 08m
1 stop
Multiple Airlines Logo
7:00 am - 9:17 pm
YOW
-
ORD
15h 17m
1 stop
$262Multiple Airlines
Wed, Apr 8 - Wed, Apr 15
Multiple Airlines Logo
12:00 pm - 12:25 am
ORD
-
YOW
11h 25m
1 stop
Multiple Airlines Logo
7:00 am - 9:17 pm
YOW
-
ORD
15h 17m
1 stop
$263Multiple Airlines
Thu, Apr 9 - Wed, Apr 15
Multiple Airlines Logo
9:05 am - 5:25 pm
ORD
-
YOW
31h 20m
1 stop
Multiple Airlines Logo
7:00 am - 9:17 pm
YOW
-
ORD
15h 17m
1 stop
$264Multiple Airlines
Tue, Apr 7 - Tue, Apr 14
Multiple Airlines Logo
7:17 am - 5:25 pm
ORD
-
YOW
9h 08m
1 stop
Multiple Airlines Logo
7:00 am - 9:17 pm
YOW
-
ORD
15h 17m
1 stop
$266Multiple Airlines
Wed, Apr 8 - Tue, Apr 14
Multiple Airlines Logo
12:00 pm - 12:25 am
ORD
-
YOW
11h 25m
1 stop
Multiple Airlines Logo
7:00 am - 9:17 pm
YOW
-
ORD
15h 17m
1 stop
$267Multiple Airlines
Thu, Apr 9 - Tue, Apr 14
Multiple Airlines Logo
12:25 pm - 12:25 am
ORD
-
YOW
11h 00m
1 stop
Multiple Airlines Logo
3:55 pm - 12:07 am
YOW
-
ORD
9h 12m
1 stop
$280Multiple Airlines
Sat, Apr 4 - Wed, Apr 8
Multiple Airlines Logo
12:25 pm - 12:25 am
ORD
-
YOW
11h 00m
1 stop
Multiple Airlines Logo
3:35 pm - 12:07 am
YOW
-
ORD
9h 32m
2 stops
$284Multiple Airlines
Sat, Apr 4 - Wed, Apr 8
Multiple Airlines Logo
5:22 pm - 2:58 pm
ORD
-
YOW
20h 36m
1 stop
Multiple Airlines Logo
3:55 pm - 12:07 am
YOW
-
ORD
9h 12m
1 stop
$286Multiple Airlines
Wed, Mar 11 - Wed, Mar 18
Multiple Airlines Logo
8:16 pm - 5:25 pm
ORD
-
YOW
20h 09m
1 stop
Multiple Airlines Logo
4:05 pm - 11:59 pm
YOW
-
ORD
8h 54m
1 stop
$290Multiple Airlines
Thu, Feb 26 - Thu, Mar 19

WestJet flights from Chicago O'Hare Intl Airport to Ottawa

Our best WestJet deals on Chicago O'Hare Intl Airport to Ottawa flight tickets
WestJet
Jun 15
ORD5:30 pmChicago O'Hare Intl
11h 10m
1 stop
YOW5:40 amOttawa
Jun 22
YOW6:00 amOttawa
11h 43m
1 stop
ORD4:43 pmChicago O'Hare Intl
$381
WestJet
Jun 21
ORD8:55 amChicago O'Hare Intl
7h 40m
2 stops
YOW5:35 pmOttawa
Jun 24
YOW7:45 amOttawa
9h 58m
1 stop
ORD4:43 pmChicago O'Hare Intl
$420
WestJet
Jun 11
ORD5:30 pmChicago O'Hare Intl
11h 10m
1 stop
YOW5:40 amOttawa
Jun 15
YOW4:15 pmOttawa
25h 25m
1 stop
ORD4:40 pmChicago O'Hare Intl
$443

Air Canada flights from Chicago O'Hare Intl Airport to Ottawa

Our best Air Canada deals on Chicago O'Hare Intl Airport to Ottawa flight tickets
Air Canada
Feb 7
ORD8:00 amChicago O'Hare Intl
4h 18m
1 stop
YOW1:18 pmOttawa
Feb 10
YOW7:15 amOttawa
6h 46m
1 stop
ORD1:01 pmChicago O'Hare Intl
$646
Air Canada
Feb 7
ORD10:00 amChicago O'Hare Intl
6h 18m
1 stop
YOW5:18 pmOttawa
Feb 10
YOW6:00 amOttawa
8h 01m
1 stop
ORD1:01 pmChicago O'Hare Intl
$656
Air Canada
Feb 5
ORD10:00 amChicago O'Hare Intl
7h 38m
1 stop
YOW6:38 pmOttawa
Feb 10
YOW7:15 amOttawa
6h 46m
1 stop
ORD1:01 pmChicago O'Hare Intl
$658

momondo Fare Finder

 
Customize your flight search to find flights from Chicago O'Hare Intl Airport to Ottawa that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated January 29, 2026.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Ottawa that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoOttawa

ORD - YOW

ORDYOW

Chicago O'Hare Intl

Tue 4/7

9:05 am-5:25 pm

1 stop31h 20m

Ottawa

Wed 4/15

7:00 am-9:17 pm

1 stop15h 17m

$261

ChicagoOttawa

ORD - YOW

ORDYOW

Chicago O'Hare Intl

Wed 4/8

7:17 am-5:25 pm

1 stop9h 08m

Ottawa

Wed 4/15

7:00 am-9:17 pm

1 stop15h 17m

$262

ChicagoOttawa

ORD - YOW

ORDYOW

Chicago O'Hare Intl

Thu 4/9

12:00 pm-12:25 am

1 stop11h 25m

Ottawa

Wed 4/15

7:00 am-9:17 pm

1 stop15h 17m

$263

ChicagoOttawa

ORD - YOW

ORDYOW

Chicago O'Hare Intl

Tue 4/7

9:05 am-5:25 pm

1 stop31h 20m

Ottawa

Tue 4/14

7:00 am-9:17 pm

1 stop15h 17m

$264

ChicagoOttawa

ORD - YOW

ORDYOW

Chicago O'Hare Intl

Wed 4/8

7:17 am-5:25 pm

1 stop9h 08m

Ottawa

Tue 4/14

7:00 am-9:17 pm

1 stop15h 17m

$266

ChicagoOttawa

ORD - YOW

ORDYOW

Chicago O'Hare Intl

Thu 4/9

12:00 pm-12:25 am

1 stop11h 25m

Ottawa

Tue 4/14

7:00 am-9:17 pm

1 stop15h 17m

$267

ChicagoOttawa

ORD - YOW

ORDYOW

Chicago O'Hare Intl

Sat 4/4

12:25 pm-12:25 am

1 stop11h 00m

Ottawa

Wed 4/8

3:55 pm-12:07 am

1 stop9h 12m

$280

ChicagoOttawa

ORD - YOW

ORDYOW

Chicago O'Hare Intl

Sat 4/4

12:25 pm-12:25 am

1 stop11h 00m

Ottawa

Wed 4/8

3:35 pm-12:07 am

2 stops9h 32m

$284

ChicagoOttawa

ORD - YOW

ORDYOW

Chicago O'Hare Intl

Wed 3/11

5:22 pm-2:58 pm

1 stop20h 36m

Ottawa

Wed 3/18

3:55 pm-12:07 am

1 stop9h 12m

$286

ChicagoOttawa

ORD - YOW

ORDYOW

Chicago O'Hare Intl

Thu 2/26

8:16 pm-5:25 pm

1 stop20h 09m

Ottawa

Thu 3/19

4:05 pm-11:59 pm

1 stop8h 54m

$290

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 June is another great option to travel to Ottawa, with average flight prices from Chicago O'Hare Intl Airport averaging around $410.

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 Saturday. Travelers who choose to depart for Ottawa on a Saturday will often find tickets for as low as $524. 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 $789.

What is the cheapest time of day to depart on your flight to Ottawa?

At noon 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 $561. Flying to Ottawa at noon 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 $619 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 3 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.

Can stopping save me money on Chicago O'Hare Intl Airport to Ottawa flights?

No. A direct flight is the cheapest option for a flight between Chicago O'Hare Intl Airport to Ottawa.

How have Chicago O'Hare Intl Airport to Ottawa flight prices changed over time?

When to book flights from Chicago O'Hare Intl Airport to Ottawa

Are you open to changing your travel dates? Check out the ideal times to fly from Chicago O'Hare Intl Airport to Ottawa according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

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

$366

Fastest flight time

1h 52m

Direct flights

Mon, Wed, Thu, Sat and Sun

Airports in Ottawa

1 airport
The best flight deal from Chicago O'Hare Intl Airport to Ottawa found on momondo in the last 72 hours is $366
The fastest flight from Chicago O'Hare Intl Airport to Ottawa takes 1h 52m
Direct flights go from Chicago O'Hare Intl Airport to Ottawa on Monday, Wednesday, Thursday, Saturday and Sunday. There are no airlines offering direct flights.
There is 1 airport in Ottawa. From Chicago O'Hare Intl Airport there are direct flights to Ottawa (YOW).
Search flight deals

  • 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 1h 52m, 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?

  • 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?

  • What is the most popular airline from Chicago O'Hare Intl Airport to Ottawa?

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
Air CanadaPriceFrom $189Free CancellationRating
7.1
10,667 reviews
Search Air Canada flights
United AirlinesPriceFrom $236Free CancellationRating
7.4
9,215 reviews
Search United Airlines flights

  • United Airlines Flights From Chicago O'Hare Intl Airport to Ottawa

    United Airlines operates around 11 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 $523, 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 9,215 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 $189, round-trip. It should be noted that an average Air Canada flight deal for this route in this time was higher, at $279 round-trip. Air Canada operates 14 flights out of Chicago O'Hare Intl Airport into Ottawa in an average week, so prices vary by time and availability. 10,667 Air Canada reviews by users on momondo have scored the airline at 7.1/10.

Traveling to a place near Ottawa?

Book flights to Ottawa if you plan to visit one of these locations
Gatineau
Pembroke
Calabogie
Brockville
Petawawa
Smiths Falls
Perth
Prescott
Winchester
Wakefield

Why 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.

An easier way to manage your Ottawa trip

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