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Cheap flights from Illinois to Ottawa from C$ 125

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to Ottawa departing on 23/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult

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Find the cheapest flights from Illinois to Ottawa

Cheap round-trip flights

Enter your travel dates to find the best prices.
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$ 343Multiple Airlines
Fri, 23 Jan - Sun, 25 Jan
Multiple Airlines Logo
7:20 a.m. - 5:25 p.m.
ORD
-
YOW
9h 05m1 stop
Multiple Airlines Logo
7:00 a.m. - 8:57 p.m.
YOW
-
ORD
14h 57m1 stop
C$ 344Multiple Airlines
Wed, 14 Jan - Thu, 15 Jan
Multiple Airlines Logo
5:32 p.m. - 5:25 p.m.
ORD
-
YOW
22h 53m1 stop
Multiple Airlines Logo
7:00 a.m. - 9:03 p.m.
YOW
-
ORD
15h 03m1 stop
C$ 358Multiple Airlines
Tue, 13 Jan - Tue, 20 Jan
Multiple Airlines Logo
7:58 p.m. - 5:15 p.m.
ORD
-
YOW
20h 17m1 stop
Multiple Airlines Logo
7:00 a.m. - 9:03 p.m.
YOW
-
ORD
15h 03m1 stop
C$ 360Multiple Airlines
Sun, 18 Jan - Tue, 27 Jan
Multiple Airlines Logo
7:21 p.m. - 2:58 p.m.
ORD
-
YOW
18h 37m1 stop
Multiple Airlines Logo
7:15 p.m. - 1:57 p.m.
YOW
-
ORD
19h 42m2 stops
C$ 361Multiple Airlines
Fri, 9 Jan - Mon, 19 Jan
Multiple Airlines Logo
4:38 p.m. - 12:42 a.m.
ORD
-
YOW
31h 04m3 stops
Multiple Airlines Logo
4:20 p.m. - 9:03 p.m.
YOW
-
ORD
29h 43m3 stops
C$ 364Multiple Airlines
Fri, 23 Jan - Sun, 25 Jan
Multiple Airlines Logo
7:21 p.m. - 2:58 p.m.
ORD
-
YOW
18h 37m1 stop
Multiple Airlines Logo
7:00 a.m. - 11:22 a.m.
YOW
-
ORD
29h 22m1 stop
C$ 368Multiple Airlines
Fri, 9 Jan - Mon, 19 Jan
Multiple Airlines Logo
7:21 p.m. - 2:58 p.m.
ORD
-
YOW
18h 37m1 stop
Multiple Airlines Logo
9:40 a.m. - 1:57 p.m.
YOW
-
ORD
29h 17m2 stops
C$ 372Multiple Airlines
Mon, 12 Jan - Mon, 19 Jan
WestJet Logo
3:35 p.m. - 12:39 a.m.
BMI
-
YOW
32h 04m2 stops
WestJet Logo
5:40 a.m. - 2:50 p.m.
YOW
-
BMI
34h 10m2 stops
C$ 1,425WestJet
Sun, 1 Feb - Wed, 4 Feb
WestJet Logo
3:35 p.m. - 12:39 a.m.
BMI
-
YOW
32h 04m2 stops
WestJet Logo
5:40 a.m. - 2:50 p.m.
YOW
-
BMI
34h 10m2 stops
C$ 1,455WestJet
Sun, 1 Feb - Wed, 4 Feb

WestJet flights from Illinois to Ottawa

Our best WestJet deals on Illinois to Ottawa flight tickets
WestJet
30 Apr
ORD5:30 p.m.Chicago O'Hare Intl
12h 25m
1 stop
YOW6:55 a.m.Ottawa
4 May
YOW7:45 a.m.Ottawa
9h 58m
1 stop
ORD4:43 p.m.Chicago O'Hare Intl
C$ 401
Find similar
WestJet
8 May
ORD5:30 p.m.Chicago O'Hare Intl
30h 10m
1 stop
YOW12:40 a.m.Ottawa
10 May
YOW7:45 a.m.Ottawa
9h 58m
1 stop
ORD4:43 p.m.Chicago O'Hare Intl
C$ 434
Find similar
WestJet
22 May
ORD5:30 p.m.Chicago O'Hare Intl
30h 10m
1 stop
YOW12:40 a.m.Ottawa
25 May
YOW6:00 a.m.Ottawa
11h 43m
1 stop
ORD4:43 p.m.Chicago O'Hare Intl
C$ 435
Find similar

Porter Airlines flights from Illinois to Ottawa

Our best Porter Airlines deals on Illinois to Ottawa flight tickets
Porter Airlines
6 Feb
MDW11:05 a.m.Chicago Midway
5h 24m
1 stop
YOW5:29 p.m.Ottawa
19 Feb
YOW6:50 a.m.Ottawa
4h 20m
1 stop
MDW10:10 a.m.Chicago Midway
C$ 474
Find similar
Porter Airlines
6 Feb
MDW11:05 a.m.Chicago Midway
5h 24m
1 stop
YOW5:29 p.m.Ottawa
17 Feb
YOW7:00 a.m.Ottawa
4h 10m
1 stop
MDW10:10 a.m.Chicago Midway
C$ 537
Find similar
Porter Airlines
6 Feb
MDW11:05 a.m.Chicago Midway
5h 24m
1 stop
YOW5:29 p.m.Ottawa
15 Feb
YOW12:10 p.m.Ottawa
4h 10m
1 stop
MDW3:20 p.m.Chicago Midway
C$ 539
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Illinois 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 18 December 2025.
Use the filters below to find and compare flights from Illinois to Ottawa that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoOttawa

ORD - YOW

ORDYOW

Chicago O'Hare Intl

Fri 23/1

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

1 stop18h 10m

Ottawa

Sun 25/1

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

3 stops29h 43m

C$ 343

ChicagoOttawa

ORD - YOW

ORDYOW

Chicago O'Hare Intl

Wed 14/1

7:20 a.m.-5:25 p.m.

1 stop9h 05m

Ottawa

Thu 15/1

7:00 a.m.-8:57 p.m.

1 stop14h 57m

C$ 344

ChicagoOttawa

ORD - YOW

ORDYOW

Chicago O'Hare Intl

Tue 13/1

5:32 p.m.-5:25 p.m.

1 stop22h 53m

Ottawa

Tue 20/1

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

1 stop15h 03m

C$ 358

ChicagoOttawa

ORD - YOW

ORDYOW

Chicago O'Hare Intl

Sun 18/1

7:58 p.m.-5:15 p.m.

1 stop20h 17m

Ottawa

Tue 27/1

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

1 stop15h 03m

C$ 360

ChicagoOttawa

ORD - YOW

ORDYOW

Chicago O'Hare Intl

Fri 9/1

7:21 p.m.-2:58 p.m.

1 stop18h 37m

Ottawa

Mon 19/1

7:15 p.m.-1:57 p.m.

2 stops19h 42m

C$ 361

ChicagoOttawa

ORD - YOW

ORDYOW

Chicago O'Hare Intl

Fri 23/1

4:38 p.m.-12:42 a.m.

3 stops31h 04m

Ottawa

Sun 25/1

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

3 stops29h 43m

C$ 364

ChicagoOttawa

ORD - YOW

ORDYOW

Chicago O'Hare Intl

Fri 9/1

7:21 p.m.-2:58 p.m.

1 stop18h 37m

Ottawa

Mon 19/1

7:00 a.m.-11:22 a.m.

1 stop29h 22m

C$ 368

ChicagoOttawa

ORD - YOW

ORDYOW

Chicago O'Hare Intl

Mon 12/1

7:21 p.m.-2:58 p.m.

1 stop18h 37m

Ottawa

Mon 19/1

9:40 a.m.-1:57 p.m.

2 stops29h 17m

C$ 372

BloomingtonOttawa

BMI - YOW

BMIYOW

Bloomington-Normal

Sun 1/2

3:35 p.m.-12:39 a.m.

2 stops32h 04m

Ottawa

Wed 4/2

5:40 a.m.-2:50 p.m.

2 stops34h 10m

C$ 1,425

BloomingtonOttawa

BMI - YOW

BMIYOW

Bloomington-Normal

Sun 1/2

3:35 p.m.-12:39 a.m.

2 stops32h 04m

Ottawa

Wed 4/2

5:40 a.m.-2:50 p.m.

2 stops34h 10m

C$ 1,455

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 Illinois 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 May is, on average, the cheapest month to fly to Ottawa from Illinois, with most prices found around C$ 467. If you aren’t able to travel to Ottawa during the month of May, then flying in September is also cheap. Prices for this month can be found on momondo for an average of C$ 551.

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 Illinois to Ottawa on a Sunday will generally be more expensive and average around C$ 877. 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 Illinois 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$ 842 per ticket.

What is the cheapest Illinois to Ottawa flight route?

Fly from Chicago O'Hare Intl to Ottawa for the best Illinois - Ottawa flight prices

What cabin class options are available on Illinois to Ottawa flights?

There are 2 cabin classes available to choose from on Illinois 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 Illinois to Ottawa flights?

You could potentially save up to 78% on your flight if you consider stops on a Illinois to Ottawa flight.

Cheap Illinois to Ottawa flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Illinois to Ottawa

Best price found

C$ 530

Fastest flight time

2h 16m

Direct flights

Tue, Wed, Thu, Fri and Sat

Airports in Ottawa

1 airport
The best flight deal from Illinois to Ottawa found on momondo in the last 72 hours is C$ 530
The fastest flight from Illinois to Ottawa takes 2h 16m
Direct flights go from Illinois to Ottawa on Tuesday, Wednesday, Thursday, Friday and Saturday. The only airline offering direct flights is Air Canada.
There is 1 airport in Ottawa. From Illinois there are direct flights to Ottawa (YOW).
Search flight deals

  • When did momondo last update prices for flights from Illinois to Ottawa Airport?

    Prices for flights from Illinois to Ottawa Airport are refreshed on a daily basis.

  • How old do you have to be to fly from Illinois to Ottawa Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Illinois 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 Illinois 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
Prescott
Petawawa
Calabogie

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Ottawa from Illinois.

Can I find flights from Illinois to Ottawa with flexible booking policies on momondo?

momondo does allow users to show only those flights to Ottawa from Illinois which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Illinois to Ottawa?

momondo provides multiple filters to help you find the best flight to Ottawa from Illinois. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Illinois to Ottawa right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Illinois to Ottawa now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Ottawa and let you know when they change.

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