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Cheap flights from Illinois to Ottawa from C$ 178

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 28/2. 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
8:16 p.m. - 5:25 p.m.
ORD
-
YOW
20h 09m
1 stop
Multiple Airlines Logo
4:15 p.m. - 10:36 a.m.
YOW
-
ORD
19h 21m
1 stop
C$ 387Multiple Airlines
Tue, 3 Mar - Tue, 10 Mar
Multiple Airlines Logo
8:16 p.m. - 5:25 p.m.
ORD
-
YOW
20h 09m
1 stop
Multiple Airlines Logo
11:00 a.m. - 12:40 a.m.
YOW
-
ORD
14h 40m
2 stops
C$ 397Multiple Airlines
Tue, 3 Mar - Tue, 10 Mar
Multiple Airlines Logo
6:51 p.m. - 5:25 p.m.
ORD
-
YOW
21h 34m
1 stop
Multiple Airlines Logo
9:25 a.m. - 6:29 p.m.
YOW
-
ORD
10h 04m
1 stop
C$ 410Multiple Airlines
Thu, 5 Mar - Sun, 8 Mar
Multiple Airlines Logo
6:31 a.m. - 3:04 p.m.
ORD
-
YOW
31h 33m
2 stops
Multiple Airlines Logo
4:15 p.m. - 10:57 p.m.
YOW
-
ORD
31h 42m
1 stop
C$ 426Multiple Airlines
Sun, 19 Apr - Sun, 26 Apr
Multiple Airlines Logo
6:51 p.m. - 11:35 a.m.
ORD
-
YOW
15h 44m
1 stop
Multiple Airlines Logo
3:55 p.m. - 12:40 a.m.
YOW
-
ORD
9h 45m
1 stop
C$ 432Multiple Airlines
Sat, 7 Mar - Mon, 9 Mar
Multiple Airlines Logo
9:04 a.m. - 5:25 p.m.
ORD
-
YOW
7h 21m
1 stop
Multiple Airlines Logo
7:00 a.m. - 9:17 p.m.
YOW
-
ORD
15h 17m
1 stop
C$ 434Multiple Airlines
Mon, 20 Apr - Wed, 22 Apr
Multiple Airlines Logo
12:44 p.m. - 11:58 p.m.
ORD
-
YOW
10h 14m
1 stop
Multiple Airlines Logo
7:00 a.m. - 7:11 p.m.
YOW
-
ORD
13h 11m
1 stop
C$ 438Multiple Airlines
Tue, 24 Feb - Wed, 4 Mar
Multiple Airlines Logo
8:16 p.m. - 5:25 p.m.
ORD
-
YOW
20h 09m
1 stop
Multiple Airlines Logo
9:30 a.m. - 5:46 p.m.
YOW
-
ORD
9h 16m
1 stop
C$ 441Multiple Airlines
Tue, 3 Mar - Tue, 10 Mar
Multiple Airlines Logo
7:00 a.m. - 5:25 p.m.
ORD
-
YOW
9h 25m
1 stop
Multiple Airlines Logo
7:00 a.m. - 7:11 p.m.
YOW
-
ORD
13h 11m
1 stop
C$ 443Multiple Airlines
Tue, 24 Feb - Thu, 5 Mar
Porter Airlines Logo
11:05 a.m. - 6:09 p.m.
MDW
-
YOW
6h 04m
1 stop
Porter Airlines Logo
6:45 a.m. - 10:05 a.m.
YOW
-
MDW
4h 20m
1 stop
C$ 580Porter Airlines
Tue, 24 Feb - Wed, 4 Mar

Air Canada flights from Illinois to Ottawa

Our best Air Canada deals on Illinois to Ottawa flight tickets
Air Canada
14 Feb
ORD7:25 a.m.Chicago O'Hare Intl
2h 01m
YOW10:26 a.m.Ottawa
15 Feb
YOW5:11 p.m.Ottawa
2h 41m
ORD6:52 p.m.Chicago O'Hare Intl
C$ 1,259
Air Canada
11 Feb
ORD6:00 p.m.Chicago O'Hare Intl
2h 18m
YOW9:18 p.m.Ottawa
18 Feb
YOW5:11 p.m.Ottawa
2h 41m
ORD6:52 p.m.Chicago O'Hare Intl
C$ 1,375
Air Canada
11 Feb
ORD1:55 p.m.Chicago O'Hare Intl
2h 17m
YOW5:12 p.m.Ottawa
18 Feb
YOW7:15 a.m.Ottawa
6h 46m
1 stop
ORD1:01 p.m.Chicago O'Hare Intl
C$ 1,378

Porter Airlines flights from Illinois to Ottawa

Our best Porter Airlines deals on Illinois to Ottawa flight tickets
Porter Airlines
24 Feb
MDW11:05 a.m.Chicago Midway
6h 04m
1 stop
YOW6:09 p.m.Ottawa
4 Mar
YOW6:45 a.m.Ottawa
4h 20m
1 stop
MDW10:05 a.m.Chicago Midway
C$ 580
Porter Airlines
24 Feb
MDW11:05 a.m.Chicago Midway
6h 04m
1 stop
YOW6:09 p.m.Ottawa
5 Mar
YOW6:45 a.m.Ottawa
4h 20m
1 stop
MDW10:05 a.m.Chicago Midway
C$ 597
Porter Airlines
7 Mar
MDW12:45 p.m.Chicago Midway
3h 44m
1 stop
YOW5:29 p.m.Ottawa
9 Mar
YOW6:45 a.m.Ottawa
4h 20m
1 stop
MDW10:05 a.m.Chicago Midway
C$ 609

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 6 February 2026.
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

Tue 3/3

8:16 p.m.-5:25 p.m.

1 stop20h 09m

Ottawa

Tue 10/3

4:15 p.m.-10:36 a.m.

1 stop19h 21m

C$ 387

ChicagoOttawa

ORD - YOW

ORDYOW

Chicago O'Hare Intl

Tue 3/3

8:16 p.m.-5:25 p.m.

1 stop20h 09m

Ottawa

Tue 10/3

11:00 a.m.-12:40 a.m.

2 stops14h 40m

C$ 397

ChicagoOttawa

ORD - YOW

ORDYOW

Chicago O'Hare Intl

Thu 5/3

6:51 p.m.-5:25 p.m.

1 stop21h 34m

Ottawa

Sun 8/3

9:25 a.m.-6:29 p.m.

1 stop10h 04m

C$ 410

ChicagoOttawa

ORD - YOW

ORDYOW

Chicago O'Hare Intl

Sun 19/4

6:31 a.m.-3:04 p.m.

2 stops31h 33m

Ottawa

Sun 26/4

4:15 p.m.-10:57 p.m.

1 stop31h 42m

C$ 426

ChicagoOttawa

ORD - YOW

ORDYOW

Chicago O'Hare Intl

Sat 7/3

6:51 p.m.-11:35 a.m.

1 stop15h 44m

Ottawa

Mon 9/3

3:55 p.m.-12:40 a.m.

1 stop9h 45m

C$ 432

ChicagoOttawa

ORD - YOW

ORDYOW

Chicago O'Hare Intl

Mon 20/4

9:04 a.m.-5:25 p.m.

1 stop7h 21m

Ottawa

Wed 22/4

7:00 a.m.-9:17 p.m.

1 stop15h 17m

C$ 434

ChicagoOttawa

ORD - YOW

ORDYOW

Chicago O'Hare Intl

Tue 24/2

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

1 stop10h 14m

Ottawa

Wed 4/3

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

1 stop13h 11m

C$ 438

ChicagoOttawa

ORD - YOW

ORDYOW

Chicago O'Hare Intl

Tue 3/3

8:16 p.m.-5:25 p.m.

1 stop20h 09m

Ottawa

Tue 10/3

9:30 a.m.-5:46 p.m.

1 stop9h 16m

C$ 441

ChicagoOttawa

ORD - YOW

ORDYOW

Chicago O'Hare Intl

Tue 24/2

7:00 a.m.-5:25 p.m.

1 stop9h 25m

Ottawa

Thu 5/3

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

1 stop13h 11m

C$ 443

ChicagoOttawa

MDW - YOW

MDWYOW

Chicago Midway

Tue 24/2

11:05 a.m.-6:09 p.m.

1 stop6h 04m

Ottawa

Wed 4/3

6:45 a.m.-10:05 a.m.

1 stop4h 20m

C$ 580

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$ 464. 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$ 547.

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

Our data shows that Friday is the least expensive day to fly to Ottawa. Tickets to fly out on this day can be as low as C$ 665. Flights from Illinois to Ottawa on a Sunday will generally be more expensive and average around C$ 871. 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 at noon. Flights from Illinois to Ottawa during this time can be as low as C$ 666. In the morning is when there is more demand to fly to Ottawa, so prices are often more expensive at around C$ 695 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 49% 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

Fastest flight time

1h 54m

Direct flights

Every day

Airports in Ottawa

1 airport
The fastest flight from Illinois to Ottawa takes 1h 54m
Direct flights go from Illinois to Ottawa every day.
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
Prescott
Calabogie
Wakefield
Petawawa

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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