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Cheap flights from Chicago O'Hare Intl Airport to Ottawa from C$ 175

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 8/1. 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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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
12:44 p.m. - 11:58 p.m.
ORD
-
YOW
10h 14m1 stop
Multiple Airlines Logo
4:20 p.m. - 7:38 p.m.
YOW
-
ORD
28h 18m3 stops
C$ 335Multiple Airlines
Sun, 25 Jan - Sun, 1 Feb
Multiple Airlines Logo
8:43 p.m. - 1:18 p.m.
ORD
-
YOW
15h 35m2 stops
Multiple Airlines Logo
4:20 p.m. - 7:38 p.m.
YOW
-
ORD
28h 18m3 stops
C$ 337Multiple Airlines
Fri, 23 Jan - Sun, 25 Jan
Multiple Airlines Logo
5:15 a.m. - 2:42 p.m.
ORD
-
YOW
8h 27m1 stop
Multiple Airlines Logo
4:20 p.m. - 7:38 p.m.
YOW
-
ORD
28h 18m3 stops
C$ 339Multiple Airlines
Fri, 23 Jan - Sun, 25 Jan
Multiple Airlines Logo
8:43 p.m. - 12:42 a.m.
ORD
-
YOW
26h 59m2 stops
Multiple Airlines Logo
4:20 p.m. - 7:38 p.m.
YOW
-
ORD
28h 18m3 stops
C$ 346Multiple Airlines
Sun, 25 Jan - Sun, 1 Feb
Multiple Airlines Logo
9:09 p.m. - 12:25 a.m.
ORD
-
YOW
26h 16m2 stops
Multiple Airlines Logo
4:20 p.m. - 9:03 p.m.
YOW
-
ORD
29h 43m3 stops
C$ 364Multiple Airlines
Tue, 6 Jan - Sun, 11 Jan
Multiple Airlines Logo
5:15 a.m. - 12:25 a.m.
ORD
-
YOW
18h 10m1 stop
Multiple Airlines Logo
4:20 p.m. - 9:03 p.m.
YOW
-
ORD
29h 43m3 stops
C$ 371Multiple Airlines
Fri, 30 Jan - Sun, 1 Feb
Multiple Airlines Logo
12:44 p.m. - 5:13 p.m.
ORD
-
YOW
27h 29m1 stop
Multiple Airlines Logo
4:15 p.m. - 11:22 a.m.
YOW
-
ORD
20h 07m1 stop
C$ 375Multiple Airlines
Sun, 25 Jan - Sun, 1 Feb
Multiple Airlines Logo
9:09 p.m. - 12:25 a.m.
ORD
-
YOW
26h 16m2 stops
Multiple Airlines Logo
4:20 p.m. - 9:03 p.m.
YOW
-
ORD
29h 43m3 stops
C$ 379Multiple Airlines
Tue, 6 Jan - Sun, 11 Jan
Multiple Airlines Logo
10:07 a.m. - 5:15 p.m.
ORD
-
YOW
30h 08m1 stop
Multiple Airlines Logo
7:00 a.m. - 9:03 p.m.
YOW
-
ORD
15h 03m1 stop
C$ 381Multiple Airlines
Wed, 21 Jan - Wed, 28 Jan
Multiple Airlines Logo
12:09 p.m. - 11:58 p.m.
ORD
-
YOW
10h 49m1 stop
Multiple Airlines Logo
4:20 p.m. - 9:03 p.m.
YOW
-
ORD
29h 43m3 stops
C$ 382Multiple Airlines
Tue, 6 Jan - Sun, 11 Jan

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
25 Dec
ORD11:15 a.m.Chicago O'Hare Intl
6h 23m
1 stop
YOW6:38 p.m.Ottawa
11 Jan
YOW5:11 p.m.Ottawa
2h 44m
ORD6:55 p.m.Chicago O'Hare Intl
C$ 1,076
Find similar
Air Canada
25 Dec
ORD10:00 a.m.Chicago O'Hare Intl
4h 23m
1 stop
YOW3:23 p.m.Ottawa
1 Jan
YOW6:15 a.m.Ottawa
2h 50m
ORD8:05 a.m.Chicago O'Hare Intl
C$ 1,135
Find similar
Air Canada
25 Dec
ORD2:01 p.m.Chicago O'Hare Intl
2h 17m
YOW5:18 p.m.Ottawa
9 Jan
YOW5:11 p.m.Ottawa
2h 44m
ORD6:55 p.m.Chicago O'Hare Intl
C$ 1,474
Find similar

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
9 Jan
ORD2:20 p.m.Chicago O'Hare Intl
9h 20m
1 stop
YOW12:40 a.m.Ottawa
11 Jan
YOW5:45 p.m.Ottawa
20h 50m
1 stop
ORD1:35 p.m.Chicago O'Hare Intl
C$ 543
Find similar
WestJet
23 Jan
ORD2:20 p.m.Chicago O'Hare Intl
9h 20m
1 stop
YOW12:40 a.m.Ottawa
25 Jan
YOW5:45 p.m.Ottawa
20h 50m
1 stop
ORD1:35 p.m.Chicago O'Hare Intl
C$ 567
Find similar
WestJet
25 Dec
ORD7:00 a.m.Chicago O'Hare Intl
16h 42m
2 stops
YOW12:42 a.m.Ottawa
8 Jan
YOW5:40 a.m.Ottawa
32h 55m
2 stops
ORD1:35 p.m.Chicago O'Hare Intl
C$ 1,462
Find similar

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 96,600 searches. Data last updated 11 December 2025.
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

Sun 25/1

12:44 p.m.-11:58 p.m.

1 stop10h 14m

Ottawa

Sun 1/2

4:20 p.m.-7:38 p.m.

3 stops28h 18m

C$ 335

ChicagoOttawa

ORD - YOW

ORDYOW

Chicago O'Hare Intl

Fri 23/1

8:43 p.m.-1:18 p.m.

2 stops15h 35m

Ottawa

Sun 25/1

4:20 p.m.-7:38 p.m.

3 stops28h 18m

C$ 336

ChicagoOttawa

ORD - YOW

ORDYOW

Chicago O'Hare Intl

Fri 23/1

5:15 a.m.-2:42 p.m.

1 stop8h 27m

Ottawa

Sun 25/1

4:20 p.m.-7:38 p.m.

3 stops28h 18m

C$ 339

ChicagoOttawa

ORD - YOW

ORDYOW

Chicago O'Hare Intl

Sun 25/1

8:43 p.m.-12:42 a.m.

2 stops26h 59m

Ottawa

Sun 1/2

4:20 p.m.-7:38 p.m.

3 stops28h 18m

C$ 346

ChicagoOttawa

ORD - YOW

ORDYOW

Chicago O'Hare Intl

Tue 6/1

9:09 p.m.-12:25 a.m.

2 stops26h 16m

Ottawa

Sun 11/1

4:20 p.m.-9:03 p.m.

3 stops29h 43m

C$ 364

ChicagoOttawa

ORD - YOW

ORDYOW

Chicago O'Hare Intl

Fri 30/1

5:15 a.m.-12:25 a.m.

1 stop18h 10m

Ottawa

Sun 1/2

4:20 p.m.-9:03 p.m.

3 stops29h 43m

C$ 371

ChicagoOttawa

ORD - YOW

ORDYOW

Chicago O'Hare Intl

Sun 25/1

12:44 p.m.-5:13 p.m.

1 stop27h 29m

Ottawa

Sun 1/2

4:15 p.m.-11:22 a.m.

1 stop20h 07m

C$ 375

ChicagoOttawa

ORD - YOW

ORDYOW

Chicago O'Hare Intl

Tue 6/1

9:09 p.m.-12:25 a.m.

2 stops26h 16m

Ottawa

Sun 11/1

4:20 p.m.-9:03 p.m.

3 stops29h 43m

C$ 379

ChicagoOttawa

ORD - YOW

ORDYOW

Chicago O'Hare Intl

Wed 21/1

10:07 a.m.-5:15 p.m.

1 stop30h 08m

Ottawa

Wed 28/1

7:00 a.m.-9:03 p.m.

1 stop15h 03m

C$ 381

ChicagoOttawa

ORD - YOW

ORDYOW

Chicago O'Hare Intl

Tue 6/1

12:09 p.m.-11:58 p.m.

1 stop10h 49m

Ottawa

Sun 11/1

4:20 p.m.-9:03 p.m.

3 stops29h 43m

C$ 382

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?

The month of March is, on average, the cheapest month to fly to Ottawa from Chicago O'Hare Intl Airport, with most prices found around C$ 360. If you aren’t able to travel to Ottawa during the month of March, then flying in December is also cheap. Prices for this month can be found on momondo for an average of C$ 481.

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

Our data shows that Thursday is the least expensive day to fly to Ottawa. Tickets to fly out on this day can be as low as C$ 511. Flights from Chicago O'Hare Intl Airport to Ottawa on a Sunday will generally be more expensive and average around C$ 878. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

Our most recent data shows that the best time of day to fly to Ottawa is in the afternoon. Flights from Chicago O'Hare Intl Airport to Ottawa during this time can be as low as C$ 511. In the morning is when there is more demand to fly to Ottawa, so prices are often more expensive at around C$ 843 per ticket.

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 2 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?

You could potentially save up to 63% on your flight if you consider stops on a Chicago O'Hare Intl Airport to Ottawa flight.

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

Fastest flight time

1h 54m

Direct flights

Every day

Airports in Ottawa

1 airport
The fastest flight from Chicago O'Hare Intl Airport to Ottawa takes 1h 54m
Direct flights go from Chicago O'Hare Intl Airport to Ottawa every day.
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?

    A flight from Chicago O'Hare Intl to Ottawa will travel around 1051.1 km. 1h 54m is a normal flight duration for this route.

  • 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 are updated daily.

  • 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 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 O'Hare Intl Airport to Ottawa?

Travelling to a place near Ottawa?

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

Why use momondo?

Why should I use momondo to find a flight deal from Chicago to Ottawa?

It is quick and easy to find Chicago to Ottawa flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Ottawa that suits you.

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 offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Chicago to Ottawa.

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.

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