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Cheap flights from Chicago O'Hare Intl Airport to Ottawa from C$ 171

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 15/9. 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

WestJet Logo
5:30 p.m. - 6:45 a.m.ORD-YOW
12h 15m1 stop
WestJet Logo
7:50 a.m. - 4:43 p.m.YOW-ORD
9h 53m1 stop
C$ 395WestJet
Find Deal
Thu, 2 Oct - Sun, 5 Oct
WestJet Logo
1:40 p.m. - 4:19 p.m.ORD-YOW
25h 39m1 stop
WestJet Logo
6:00 a.m. - 4:43 p.m.YOW-ORD
11h 43m1 stop
C$ 396WestJet
Find Deal
Sat, 11 Oct - Sun, 19 Oct
WestJet Logo
5:30 p.m. - 6:20 p.m.ORD-YOW
23h 50m1 stop
WestJet Logo
6:00 a.m. - 4:43 p.m.YOW-ORD
11h 43m1 stop
C$ 402WestJet
Find Deal
Fri, 12 Sep - Mon, 15 Sep
WestJet Logo
5:30 p.m. - 6:45 a.m.ORD-YOW
12h 15m1 stop
WestJet Logo
6:00 a.m. - 4:43 p.m.YOW-ORD
11h 43m1 stop
C$ 403WestJet
Find Deal
Sun, 12 Oct - Sat, 18 Oct
Logo
5:30 p.m. - 1:00 p.m.ORD-YOW
18h 30m1 stop
Logo
7:00 a.m. - 4:51 p.m.YOW-ORD
10h 51m2 stops
C$ 446
Find Deal
Wed, 3 Sep - Wed, 10 Sep
Logo
6:44 p.m. - 12:22 a.m.ORD-YOW
28h 38m2 stops
Logo
7:00 a.m. - 9:58 p.m.YOW-ORD
15h 58m2 stops
C$ 470
Find Deal
Wed, 10 Sep - Tue, 16 Sep
Air Canada Logo
8:40 a.m. - 1:51 p.m.ORD-YOW
4h 11m1 stop
Air Canada Logo
10:00 a.m. - 1:14 p.m.YOW-ORD
4h 14m1 stop
C$ 488Air Canada
Find Deal
Thu, 4 Sep - Sun, 7 Sep
United Airlines Logo
10:50 a.m. - 2:04 p.m.ORD-YOW
2h 14mdirect
United Airlines Logo
5:25 p.m. - 6:54 p.m.YOW-ORD
2h 29mdirect
C$ 550United Airlines
Find Deal
Tue, 7 Oct - Fri, 10 Oct
United Airlines Logo
8:50 a.m. - 2:13 p.m.ORD-YOW
4h 23m1 stop
United Airlines Logo
5:25 p.m. - 6:54 p.m.YOW-ORD
2h 29mdirect
C$ 564United Airlines
Find Deal
Tue, 7 Oct - Mon, 13 Oct
Air Canada Logo
8:40 a.m. - 1:51 p.m.ORD-YOW
4h 11m1 stop
Air Canada Logo
6:00 a.m. - 9:51 a.m.YOW-ORD
4h 51m1 stop
C$ 565Air Canada
Find Deal
Thu, 4 Sep - Sun, 7 Sep

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
2 Oct
ORD5:30 p.m.Chicago O'Hare Intl
12h 15m
1 stop
YOW6:45 a.m.Ottawa
5 Oct
YOW7:50 a.m.Ottawa
9h 53m
1 stop
ORD4:43 p.m.Chicago O'Hare Intl
C$ 395
Find similar
WestJet
11 Oct
ORD1:40 p.m.Chicago O'Hare Intl
25h 39m
1 stop
YOW4:19 p.m.Ottawa
19 Oct
YOW6:00 a.m.Ottawa
11h 43m
1 stop
ORD4:43 p.m.Chicago O'Hare Intl
C$ 396
Find similar
WestJet
12 Sep
ORD5:30 p.m.Chicago O'Hare Intl
23h 50m
1 stop
YOW6:20 p.m.Ottawa
15 Sep
YOW6:00 a.m.Ottawa
11h 43m
1 stop
ORD4:43 p.m.Chicago O'Hare Intl
C$ 402
Find similar

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
4 Sep
ORD8:40 a.m.Chicago O'Hare Intl
4h 11m
1 stop
YOW1:51 p.m.Ottawa
7 Sep
YOW10:00 a.m.Ottawa
4h 14m
1 stop
ORD1:14 p.m.Chicago O'Hare Intl
C$ 488
Find similar
Air Canada
4 Sep
ORD8:40 a.m.Chicago O'Hare Intl
4h 11m
1 stop
YOW1:51 p.m.Ottawa
7 Sep
YOW6:00 a.m.Ottawa
4h 51m
1 stop
ORD9:51 a.m.Chicago O'Hare Intl
C$ 565
Find similar
Air Canada
18 Aug
ORD8:25 p.m.Chicago O'Hare Intl
4h 10m
1 stop
YOW1:35 a.m.Ottawa
22 Aug
YOW6:33 a.m.Ottawa
2h 27m
ORD8:00 a.m.Chicago O'Hare Intl
C$ 970
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 7 August 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

Thu 2/10

5:30 p.m.-6:45 a.m.

1 stop12h 15m

Ottawa

Sun 5/10

7:50 a.m.-4:43 p.m.

1 stop9h 53m

C$ 395

ChicagoOttawa

ORD - YOW

ORDYOW

Chicago O'Hare Intl

Sat 11/10

1:40 p.m.-4:19 p.m.

1 stop25h 39m

Ottawa

Sun 19/10

6:00 a.m.-4:43 p.m.

1 stop11h 43m

C$ 396

ChicagoOttawa

ORD - YOW

ORDYOW

Chicago O'Hare Intl

Fri 12/9

5:30 p.m.-6:20 p.m.

1 stop23h 50m

Ottawa

Mon 15/9

6:00 a.m.-4:43 p.m.

1 stop11h 43m

C$ 402

ChicagoOttawa

ORD - YOW

ORDYOW

Chicago O'Hare Intl

Sun 12/10

5:30 p.m.-6:45 a.m.

1 stop12h 15m

Ottawa

Sat 18/10

6:00 a.m.-4:43 p.m.

1 stop11h 43m

C$ 403

ChicagoOttawa

ORD - YOW

ORDYOW

Chicago O'Hare Intl

Wed 3/9

5:30 p.m.-1:00 p.m.

1 stop18h 30m

Ottawa

Wed 10/9

7:00 a.m.-4:51 p.m.

2 stops10h 51m

C$ 446

ChicagoOttawa

ORD - YOW

ORDYOW

Chicago O'Hare Intl

Wed 10/9

6:44 p.m.-12:22 a.m.

2 stops28h 38m

Ottawa

Tue 16/9

7:00 a.m.-9:58 p.m.

2 stops15h 58m

C$ 470

ChicagoOttawa

ORD - YOW

ORDYOW

Chicago O'Hare Intl

Thu 4/9

8:40 a.m.-1:51 p.m.

1 stop4h 11m

Ottawa

Sun 7/9

10:00 a.m.-1:14 p.m.

1 stop4h 14m

C$ 488

ChicagoOttawa

ORD - YOW

ORDYOW

Chicago O'Hare Intl

Tue 7/10

10:50 a.m.-2:04 p.m.

Nonstop2h 14m

Ottawa

Fri 10/10

5:25 p.m.-6:54 p.m.

Nonstop2h 29m

C$ 550

ChicagoOttawa

ORD - YOW

ORDYOW

Chicago O'Hare Intl

Tue 7/10

8:50 a.m.-2:13 p.m.

1 stop4h 23m

Ottawa

Mon 13/10

5:25 p.m.-6:54 p.m.

Nonstop2h 29m

C$ 564

ChicagoOttawa

ORD - YOW

ORDYOW

Chicago O'Hare Intl

Thu 4/9

8:40 a.m.-1:51 p.m.

1 stop4h 11m

Ottawa

Sun 7/9

6:00 a.m.-9:51 a.m.

1 stop4h 51m

C$ 565

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$ 359. If you aren’t able to travel to Ottawa during the month of March, then flying in July is also cheap. Prices for this month can be found on momondo for an average of C$ 494.

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$ 510. Flights from Chicago O'Hare Intl Airport to Ottawa on a Sunday will generally be more expensive and average around C$ 1,001. 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$ 510. In the morning is when there is more demand to fly to Ottawa, so prices are often more expensive at around C$ 840 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 34% 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

Best price found

C$ 171

Fastest flight time

2h 08m

Direct flights

Mon, Tue, Wed, Fri, Sat and Sun

Airports in Ottawa

1 airport
The best one-way flight to Ottawa from Chicago O'Hare Intl Airport in the past 72 hours is C$ 171. The best round-trip flight deal from Chicago O'Hare Intl Airport to Ottawa found on momondo in the last 72 hours is C$ 395.
The fastest flight from Chicago O'Hare Intl Airport to Ottawa takes 2h 08m
Direct flights go from Chicago O'Hare Intl Airport to Ottawa on Monday, Tuesday, Wednesday, Friday, Saturday and Sunday. Airlines offering direct flights are: United Airlines and Air Canada.
There is 1 airport near Ottawa: 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. 2h 11m 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
Smiths Falls
Wakefield
Perth
Calabogie
Prescott
Petawawa
Winchester

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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