How many flights depart from Illinois to Ottawa on average per week?

As of October 2026, there are 73 flights per week flying from Illinois to Ottawa. The most common day of the week flights depart is Mon, with 15% of flights taking off on this day.

What is the cheapest airline that flies from Illinois to Ottawa?

Porter Airlines is the most popular carrier operating from Illinois to Ottawa

How many flights depart from Illinois to Ottawa on average per day?

As of October 2026, there are 10 flights per day flying from Illinois to Ottawa. The most common time of day flights depart is 10:00a.m., with 36% of flights taking off at noon.

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.

C$ 257 Cheap Flights from Illinois to Ottawa in 2026/27

Find the cheapest flights from Illinois to Ottawa

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

8:00 a.m. - 5:20 p.m.ORD Chicago O'Hare Intl-YOW Ottawa

8h 20m1 stop Fort Lauderdale

8:25 a.m. - 11:40 a.m.YOW Ottawa-ORD Chicago O'Hare Intl

4h 15m1 stop Toronto Island

C$ 565Multiple Airlines

Thu, 29 Oct - Sun, 1 Nov

8:00 a.m. - 5:20 p.m.ORD Chicago O'Hare Intl-YOW Ottawa

8h 20m1 stop Fort Lauderdale

7:05 a.m. - 12:51 p.m.YOW Ottawa-ORD Chicago O'Hare Intl

30h 46m2 stops Fort Lauderdale Atlanta Hartsfield-Jackson

C$ 584Multiple Airlines

Fri, 30 Oct - Mon, 2 Nov

8:00 a.m. - 5:20 p.m.ORD Chicago O'Hare Intl-YOW Ottawa

8h 20m1 stop Fort Lauderdale

7:05 a.m. - 3:37 p.m.YOW Ottawa-ORD Chicago O'Hare Intl

9h 32m1 stop Fort Lauderdale

C$ 588Multiple Airlines

Thu, 29 Oct - Sun, 1 Nov

8:00 a.m. - 5:20 p.m.ORD Chicago O'Hare Intl-YOW Ottawa

8h 20m1 stop Fort Lauderdale

8:25 a.m. - 11:40 a.m.YOW Ottawa-ORD Chicago O'Hare Intl

4h 15m1 stop Toronto Island

C$ 592Multiple Airlines

Thu, 29 Oct - Sun, 1 Nov

12:20 p.m. - 6:14 p.m.ORD Chicago O'Hare Intl-YOW Ottawa

4h 54m1 stop Toronto Island

8:25 a.m. - 11:40 a.m.YOW Ottawa-ORD Chicago O'Hare Intl

4h 15m1 stop Toronto Island

C$ 601Porter Airlines

Mon, 2 Nov - Wed, 4 Nov

12:20 p.m. - 6:14 p.m.ORD Chicago O'Hare Intl-YOW Ottawa

4h 54m1 stop Toronto Island

7:05 a.m. - 8:56 a.m.YOW Ottawa-ORD Chicago O'Hare Intl

26h 51m2 stops Fort Lauderdale Atlanta Hartsfield-Jackson

C$ 602Multiple Airlines

Mon, 2 Nov - Wed, 4 Nov

6:00 a.m. - 4:20 p.m.ORD Chicago O'Hare Intl-YOW Ottawa

33h 20m2 stops Atlanta Hartsfield-Jackson Newark

12:15 p.m. - 5:40 p.m.YOW Ottawa-ORD Chicago O'Hare Intl

6h 25m1 stop Toronto Island

C$ 616Multiple Airlines

Tue, 20 Oct - Fri, 30 Oct

12:20 p.m. - 6:14 p.m.ORD Chicago O'Hare Intl-YOW Ottawa

4h 54m1 stop Toronto Island

12:15 p.m. - 5:40 p.m.YOW Ottawa-ORD Chicago O'Hare Intl

6h 25m1 stop Toronto Island

C$ 622Porter Airlines

Tue, 27 Oct - Tue, 3 Nov

12:20 p.m. - 6:14 p.m.ORD Chicago O'Hare Intl-YOW Ottawa

4h 54m1 stop Toronto Island

12:15 p.m. - 5:40 p.m.YOW Ottawa-ORD Chicago O'Hare Intl

6h 25m1 stop Toronto Island

C$ 623Porter Airlines

Thu, 5 Nov - Sun, 8 Nov

6:00 a.m. - 4:20 p.m.ORD Chicago O'Hare Intl-YOW Ottawa

33h 20m2 stops Atlanta Hartsfield-Jackson Newark

12:15 p.m. - 5:40 p.m.YOW Ottawa-ORD Chicago O'Hare Intl

6h 25m1 stop Toronto Island

C$ 623Multiple Airlines

Tue, 20 Oct - Fri, 30 Oct

Cheap last-minute flights

Enter your travel dates to find the best prices.

11:45 a.m. - 7:07 p.m.MDW Chicago Midway-YOW Ottawa

6h 22m1 stop Toronto Island

7:15 a.m. - 5:46 p.m.YOW Ottawa-MDW Chicago Midway

35h 31m2 stops Fort Lauderdale Atlanta Hartsfield-Jackson

C$ 1,147Multiple Airlines

Sat, 3 Oct - Mon, 5 Oct

11:45 a.m. - 7:07 p.m.MDW Chicago Midway-YOW Ottawa

6h 22m1 stop Toronto Island

8:50 p.m. - 11:00 a.m.YOW Ottawa-MDW Chicago Midway

15h 10m1 stop Toronto Island

C$ 1,187Porter Airlines

Sat, 3 Oct - Mon, 5 Oct

3:20 p.m. - 8:02 p.m.MDW Chicago Midway-YOW Ottawa

3h 42m1 stop Toronto Island

6:50 a.m. - 2:35 p.m.YOW Ottawa-MDW Chicago Midway

8h 45m1 stop Toronto Pearson Intl

C$ 1,333Multiple Airlines

Tue, 6 Oct - Thu, 8 Oct

7:11 a.m. - 8:00 p.m.ORD Chicago O'Hare Intl-YOW Ottawa

11h 49m2 stops Fort Lauderdale Toronto Pearson Intl

7:15 a.m. - 12:45 a.m.YOW Ottawa-ORD Chicago O'Hare Intl

18h 30m2 stops Fort Lauderdale Dallas/Fort Worth

C$ 1,345Multiple Airlines

Sat, 3 Oct - Mon, 5 Oct

6:00 a.m. - 12:25 a.m.ORD Chicago O'Hare Intl-YOW Ottawa

17h 25m3 stops Dallas/Fort Worth Las Vegas Harry Reid Intl Toronto Pearson Intl

7:15 a.m. - 9:39 p.m.YOW Ottawa-ORD Chicago O'Hare Intl

15h 24m2 stops Fort Lauderdale Houston George Bush Intcntl

C$ 1,352Multiple Airlines

Sat, 3 Oct - Mon, 5 Oct

3:20 p.m. - 5:52 p.m.MDW Chicago Midway-YOW Ottawa

25h 32m1 stop Toronto Island

6:50 a.m. - 2:35 p.m.YOW Ottawa-MDW Chicago Midway

8h 45m1 stop Toronto Pearson Intl

C$ 1,370Multiple Airlines

Sat, 3 Oct - Mon, 5 Oct

11:45 a.m. - 12:20 a.m.MDW Chicago Midway-YOW Ottawa

11h 35m1 stop Toronto Island

4:15 p.m. - 5:46 p.m.YOW Ottawa-MDW Chicago Midway

26h 31m2 stops Orlando Atlanta Hartsfield-Jackson

C$ 1,387Multiple Airlines

Sat, 3 Oct - Mon, 5 Oct

6:25 a.m. - 4:20 p.m.MDW Chicago Midway-YOW Ottawa

32h 55m2 stops Atlanta Hartsfield-Jackson New York LaGuardia

8:00 a.m. - 11:00 a.m.YOW Ottawa-MDW Chicago Midway

4h 00m1 stop Toronto Island

C$ 1,407Multiple Airlines

Tue, 6 Oct - Thu, 8 Oct

7:11 a.m. - 8:00 p.m.ORD Chicago O'Hare Intl-YOW Ottawa

11h 49m2 stops Fort Lauderdale Toronto Pearson Intl

7:15 a.m. - 2:45 p.m.YOW Ottawa-ORD Chicago O'Hare Intl

8h 30m1 stop Fort Lauderdale

C$ 1,431Multiple Airlines

Sat, 3 Oct - Mon, 5 Oct

11:42 a.m. - 12:25 a.m.ORD Chicago O'Hare Intl-YOW Ottawa

11h 43m1 stop Toronto Pearson Intl

7:00 a.m. - 12:45 p.m.YOW Ottawa-ORD Chicago O'Hare Intl

6h 45m1 stop Toronto Pearson Intl

C$ 1,481Porter Airlines

Sat, 3 Oct - Mon, 5 Oct

Cheap direct flights

Enter your travel dates to find the best prices.

10:57 a.m. - 2:09 p.m.ORD Chicago O'Hare Intl-YOW Ottawa

2h 12mdirect

4:46 p.m. - 6:30 p.m.YOW Ottawa-ORD Chicago O'Hare Intl

2h 44mdirect

C$ 1,128Lufthansa

Thu, 29 Oct - Sun, 1 Nov

5:58 p.m. - 9:16 p.m.ORD Chicago O'Hare Intl-YOW Ottawa

2h 18mdirect

4:46 p.m. - 6:30 p.m.YOW Ottawa-ORD Chicago O'Hare Intl

2h 44mdirect

C$ 1,156Lufthansa

Thu, 29 Oct - Sun, 1 Nov

10:57 a.m. - 2:09 p.m.ORD Chicago O'Hare Intl-YOW Ottawa

2h 12mdirect

6:15 a.m. - 8:00 a.m.YOW Ottawa-ORD Chicago O'Hare Intl

2h 45mdirect

C$ 1,199Lufthansa

Mon, 2 Nov - Wed, 4 Nov

10:57 a.m. - 2:09 p.m.ORD Chicago O'Hare Intl-YOW Ottawa

2h 12mdirect

4:36 p.m. - 6:20 p.m.YOW Ottawa-ORD Chicago O'Hare Intl

2h 44mdirect

C$ 1,244United Airlines

Thu, 10 Dec - Thu, 10 Dec

5:58 p.m. - 9:16 p.m.ORD Chicago O'Hare Intl-YOW Ottawa

2h 18mdirect

4:46 p.m. - 6:30 p.m.YOW Ottawa-ORD Chicago O'Hare Intl

2h 44mdirect

C$ 1,260Air Canada

Fri, 13 Nov - Fri, 20 Nov

10:57 a.m. - 2:09 p.m.ORD Chicago O'Hare Intl-YOW Ottawa

2h 12mdirect

4:36 p.m. - 6:20 p.m.YOW Ottawa-ORD Chicago O'Hare Intl

2h 44mdirect

C$ 1,261United Airlines

Thu, 10 Dec - Tue, 15 Dec

10:57 a.m. - 2:09 p.m.ORD Chicago O'Hare Intl-YOW Ottawa

2h 12mdirect

6:15 a.m. - 8:00 a.m.YOW Ottawa-ORD Chicago O'Hare Intl

2h 45mdirect

C$ 1,294United Airlines

Mon, 23 Nov - Sun, 29 Nov

5:58 p.m. - 9:16 p.m.ORD Chicago O'Hare Intl-YOW Ottawa

2h 18mdirect

6:15 a.m. - 8:00 a.m.YOW Ottawa-ORD Chicago O'Hare Intl

2h 45mdirect

C$ 1,294United Airlines

Tue, 24 Nov - Sun, 29 Nov

11:00 a.m. - 2:18 p.m.ORD Chicago O'Hare Intl-YOW Ottawa

2h 18mdirect

6:15 a.m. - 7:58 a.m.YOW Ottawa-ORD Chicago O'Hare Intl

2h 43mdirect

C$ 1,294United Airlines

Sat, 20 Feb - Sun, 28 Feb

5:56 p.m. - 9:23 p.m.ORD Chicago O'Hare Intl-YOW Ottawa

2h 27mdirect

4:36 p.m. - 6:24 p.m.YOW Ottawa-ORD Chicago O'Hare Intl

2h 48mdirect

C$ 1,294United Airlines

Sat, 2 Jan - Fri, 8 Jan

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WestJet flights from Illinois to Ottawa

Our best WestJet deals on Illinois to Ottawa flight tickets

WestJet

15 Oct

ORD5:30 p.m.Chicago O'Hare Intl

22h 45m

1 stop

YOW5:15 p.m.Ottawa

25 Oct

YOW5:30 a.m.Ottawa

13h 59m

2 stops

ORD6:29 p.m.Chicago O'Hare Intl

C$ 1,233

WestJet

15 Oct

ORD5:30 p.m.Chicago O'Hare Intl

17h 05m

2 stops

YOW11:35 a.m.Ottawa

25 Oct

YOW5:30 a.m.Ottawa

13h 59m

2 stops

ORD6:29 p.m.Chicago O'Hare Intl

C$ 1,281

WestJet

6 Nov

MDW6:44 p.m.Chicago Midway

29h 00m

2 stops

YOW12:44 a.m.Ottawa

8 Nov

YOW5:30 a.m.Ottawa

13h 30m

2 stops

MDW6:00 p.m.Chicago Midway

C$ 1,288

Porter Airlines flights from Illinois to Ottawa

Our best Porter Airlines deals on Illinois to Ottawa flight tickets

Porter Airlines

2 Nov

ORD12:20 p.m.Chicago O'Hare Intl

4h 54m

1 stop

YOW6:14 p.m.Ottawa

4 Nov

YOW8:25 a.m.Ottawa

4h 15m

1 stop

ORD11:40 a.m.Chicago O'Hare Intl

C$ 601

Porter Airlines

27 Oct

ORD12:20 p.m.Chicago O'Hare Intl

4h 54m

1 stop

YOW6:14 p.m.Ottawa

3 Nov

YOW12:15 p.m.Ottawa

6h 25m

1 stop

ORD5:40 p.m.Chicago O'Hare Intl

C$ 622

Porter Airlines

28 Oct

ORD12:20 p.m.Chicago O'Hare Intl

4h 54m

1 stop

YOW6:14 p.m.Ottawa

4 Nov

YOW8:25 a.m.Ottawa

4h 15m

1 stop

ORD11:40 a.m.Chicago O'Hare Intl

C$ 631

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoOttawa

ORD Chicago O'Hare Intl - YOW Ottawa

ORDYOW

Chicago O'Hare Intl

Thu 29/10

8:00 a.m.-5:20 p.m.

1 stop8h 20m

Ottawa

Sun 1/11

8:25 a.m.-11:40 a.m.

1 stop4h 15m

C$ 565

ChicagoOttawa

ORD Chicago O'Hare Intl - YOW Ottawa

ORDYOW

Chicago O'Hare Intl

Fri 30/10

8:00 a.m.-5:20 p.m.

1 stop8h 20m

Ottawa

Mon 2/11

7:05 a.m.-12:51 p.m.

2 stops30h 46m

C$ 584

ChicagoOttawa

ORD Chicago O'Hare Intl - YOW Ottawa

ORDYOW

Chicago O'Hare Intl

Thu 29/10

8:00 a.m.-5:20 p.m.

1 stop8h 20m

Ottawa

Sun 1/11

7:05 a.m.-3:37 p.m.

1 stop9h 32m

C$ 588

ChicagoOttawa

ORD Chicago O'Hare Intl - YOW Ottawa

ORDYOW

Chicago O'Hare Intl

Thu 29/10

8:00 a.m.-5:20 p.m.

1 stop8h 20m

Ottawa

Sun 1/11

8:25 a.m.-11:40 a.m.

1 stop4h 15m

C$ 592

Quickest round-trip

ChicagoOttawa

ORD Chicago O'Hare Intl - YOW Ottawa

ORDYOW

Chicago O'Hare Intl

Mon 2/11

12:20 p.m.-6:14 p.m.

1 stop4h 54m

Ottawa

Wed 4/11

8:25 a.m.-11:40 a.m.

1 stop4h 15m

C$ 601

ChicagoOttawa

ORD Chicago O'Hare Intl - YOW Ottawa

ORDYOW

Chicago O'Hare Intl

Mon 2/11

12:20 p.m.-6:14 p.m.

1 stop4h 54m

Ottawa

Wed 4/11

7:05 a.m.-8:56 a.m.

2 stops26h 51m

C$ 602

ChicagoOttawa

ORD Chicago O'Hare Intl - YOW Ottawa

ORDYOW

Chicago O'Hare Intl

Tue 20/10

6:00 a.m.-4:20 p.m.

2 stops33h 20m

Ottawa

Fri 30/10

12:15 p.m.-5:40 p.m.

1 stop6h 25m

C$ 616

ChicagoOttawa

ORD Chicago O'Hare Intl - YOW Ottawa

ORDYOW

Chicago O'Hare Intl

Tue 27/10

12:20 p.m.-6:14 p.m.

1 stop4h 54m

Ottawa

Tue 3/11

12:15 p.m.-5:40 p.m.

1 stop6h 25m

C$ 622

ChicagoOttawa

ORD Chicago O'Hare Intl - YOW Ottawa

ORDYOW

Chicago O'Hare Intl

Thu 5/11

12:20 p.m.-6:14 p.m.

1 stop4h 54m

Ottawa

Sun 8/11

12:15 p.m.-5:40 p.m.

1 stop6h 25m

C$ 623

ChicagoOttawa

ORD Chicago O'Hare Intl - YOW Ottawa

ORDYOW

Chicago O'Hare Intl

Tue 20/10

6:00 a.m.-4:20 p.m.

2 stops33h 20m

Ottawa

Fri 30/10

12:15 p.m.-5:40 p.m.

1 stop6h 25m

C$ 623

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

Other information

What is the cheapest month to fly to Ottawa?

The month of April is, on average, the cheapest month to fly to Ottawa from Illinois, with most prices found around C$ 568. If you aren’t able to travel to Ottawa during the month of April, then flying in September is also cheap. Prices for this month can be found on momondo for an average of C$ 815.

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

Our data shows that Sunday is the least expensive day to fly to Ottawa. Tickets to fly out on this day can be as low as C$ 904. Flights from Illinois to Ottawa on a Tuesday will generally be more expensive and average around C$ 1,030. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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 41% 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$ 257
Fastest flight time	2h 12m
Direct flights	Every day
Airports in Ottawa	1 airport

The best one-way flight to Ottawa from Illinois in the past 72 hours is C$ 257. The best round-trip flight deal from Illinois to Ottawa found on momondo in the last 72 hours is C$ 565.

The fastest flight from Illinois to Ottawa takes 2h 12m

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

Frequently asked questions about flying from Illinois to Ottawa

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?
momondo data reveals that the most frequently booked plane model on the route from Illinois to Ottawa is Embraer 175 (Enhanced Winglets), representing 36.36% of all bookings. The subsequent popular models are Airbus A319 at 28.48%, Boeing 737 MAX 8 at 6.06%, and Canadair (Bombardier) Regional Jet CRJ-550 at 3.64%.

Gatineau

Brockville

Smiths Falls

Pembroke

Perth

Wakefield

Calabogie

Petawawa

Prescott

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.