How many flights depart from Ottawa to Chicago O'Hare Intl Airport on average per week?

The number of flights available between Ottawa and Chicago O'Hare Intl Airport is 52 per week as of October 2026. The most frequent departure day is Mon, with 17% of weekly flights leaving on this day.

Which airlines fly to Chicago O'Hare Intl Airport?

Air Canada, United Airlines and American Airlines are the top three most popular airlines that fly to Chicago O'Hare Intl Airport from Ottawa according to our data. Air Canada is the first choice among our users, with 80% of people opting to fly with this airline when travelling to Chicago O'Hare Intl Airport. Keep in mind that there are 4 different airlines that fly to Chicago O'Hare Intl Airport on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Ottawa to Chicago O'Hare Intl?

Porter Airlines is the most popular carrier operating from Ottawa to Chicago O'Hare Intl

How many flights depart from Ottawa to Chicago O'Hare Intl Airport on average per day?

As of October 2026, 7 flights take off from Ottawa and land in Chicago O'Hare Intl Airport each day. The most common flight departure time for this route is 6:00a.m., with 68% of daily flights taking off at noon.

When did momondo last update prices for flights from Ottawa Airport to Chicago O'Hare Intl Airport?

Prices for flights from Ottawa Airport to Chicago O'Hare Intl Airport are updated daily.

How many operators does momondo search for flights from Ottawa Airport to Chicago O'Hare Intl Airport?

As of October 2026, there is 1 operator available to choose from for flights from Ottawa Airport to Chicago O'Hare Intl Airport.

How old do you have to be to fly from Ottawa Airport to Chicago O'Hare Intl Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ottawa Airport to Chicago O'Hare Intl Airport.

What documentation or ID do you need to fly to Chicago O'Hare Intl Airport?

The travel and health documents you'll need for your trip to Chicago O'Hare Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Chicago O'Hare Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

C$ 273 Cheap Flights from Ottawa to Chicago O'Hare Intl Airport in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Ottawa to Chicago

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

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

6h 00m1 stop Toronto Island

12:15 p.m. - 6:12 p.m.ORD Chicago O'Hare Intl-YOW Ottawa

4h 57m1 stop Toronto Island

C$ 514Porter Airlines

Sat, 21 Nov - Mon, 23 Nov

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

6h 25m1 stop Toronto Island

12:15 p.m. - 8:08 p.m.ORD Chicago O'Hare Intl-YOW Ottawa

6h 53m1 stop Toronto Island

C$ 519Porter Airlines

Tue, 8 Dec - Sat, 12 Dec

7:00 a.m. - 10:00 p.m.YOW Ottawa-ORD Chicago O'Hare Intl

16h 00m2 stops Fort Lauderdale Atlanta Hartsfield-Jackson

6:20 p.m. - 11:33 a.m.ORD Chicago O'Hare Intl-YOW Ottawa

16h 13m1 stop Toronto Island

C$ 530Multiple Airlines

Tue, 8 Dec - Sat, 12 Dec

8:25 a.m. - 11:35 a.m.YOW Ottawa-ORD Chicago O'Hare Intl

4h 10m1 stop Toronto Island

12:15 p.m. - 6:12 p.m.ORD Chicago O'Hare Intl-YOW Ottawa

4h 57m1 stop Toronto Island

C$ 534Porter Airlines

Tue, 24 Nov - Fri, 27 Nov

8:25 a.m. - 11:35 a.m.YOW Ottawa-ORD Chicago O'Hare Intl

4h 10m1 stop Toronto Island

12:15 p.m. - 6:13 p.m.ORD Chicago O'Hare Intl-YOW Ottawa

4h 58m1 stop Toronto Island

C$ 538Porter Airlines

Fri, 20 Nov - Wed, 2 Dec

7:05 a.m. - 11:34 p.m.YOW Ottawa-ORD Chicago O'Hare Intl

17h 29m1 stop Fort Lauderdale

4:00 p.m. - 5:15 p.m.ORD Chicago O'Hare Intl-YOW Ottawa

24h 15m2 stops Fort Lauderdale Hamilton

C$ 541Multiple Airlines

Tue, 24 Nov - Fri, 27 Nov

8:25 a.m. - 11:35 a.m.YOW Ottawa-ORD Chicago O'Hare Intl

4h 10m1 stop Toronto Island

12:15 p.m. - 6:12 p.m.ORD Chicago O'Hare Intl-YOW Ottawa

4h 57m1 stop Toronto Island

C$ 542Porter Airlines

Fri, 20 Nov - Sun, 22 Nov

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

6h 00m1 stop Toronto Island

12:15 p.m. - 6:12 p.m.ORD Chicago O'Hare Intl-YOW Ottawa

4h 57m1 stop Toronto Island

C$ 551Porter Airlines

Sat, 21 Nov - Mon, 23 Nov

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

2h 45mdirect

7:05 a.m. - 2:12 p.m.ORD Chicago O'Hare Intl-YOW Ottawa

6h 07m1 stop Montreal Pierre Elliott Trudeau Intl

C$ 886Air Canada

Sun, 6 Dec - Sun, 13 Dec

9:00 a.m. - 3:38 p.m.YOW Ottawa-ORD Chicago O'Hare Intl

7h 38m2 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl

7:05 a.m. - 2:12 p.m.ORD Chicago O'Hare Intl-YOW Ottawa

6h 07m1 stop Montreal Pierre Elliott Trudeau Intl

C$ 897Air Canada

Sat, 5 Dec - Tue, 8 Dec

Cheap last-minute flights

Enter your travel dates to find the best prices.

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

9h 32m1 stop Fort Lauderdale

7:55 a.m. - 5:24 p.m.ORD Chicago O'Hare Intl-YOW Ottawa

8h 29m1 stop Fort Lauderdale

C$ 680Multiple Airlines

Sat, 31 Oct - Mon, 2 Nov

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

9h 32m1 stop Fort Lauderdale

7:55 a.m. - 5:24 p.m.ORD Chicago O'Hare Intl-YOW Ottawa

8h 29m1 stop Fort Lauderdale

C$ 712Multiple Airlines

Mon, 2 Nov - Mon, 9 Nov

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

9h 32m1 stop Fort Lauderdale

12:15 p.m. - 8:07 p.m.ORD Chicago O'Hare Intl-YOW Ottawa

6h 52m1 stop Toronto Island

C$ 789Multiple Airlines

Sun, 1 Nov - Sun, 22 Nov

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

9h 32m1 stop Fort Lauderdale

7:55 a.m. - 5:24 p.m.ORD Chicago O'Hare Intl-YOW Ottawa

8h 29m1 stop Fort Lauderdale

C$ 795Multiple Airlines

Sun, 1 Nov - Thu, 5 Nov

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

9h 32m1 stop Fort Lauderdale

10:29 a.m. - 2:32 p.m.ORD Chicago O'Hare Intl-YOW Ottawa

27h 03m2 stops Dallas/Fort Worth New York LaGuardia

C$ 823Multiple Airlines

Sat, 31 Oct - Mon, 2 Nov

7:05 a.m. - 10:43 p.m.YOW Ottawa-ORD Chicago O'Hare Intl

16h 38m2 stops Fort Lauderdale Philadelphia

7:55 a.m. - 5:24 p.m.ORD Chicago O'Hare Intl-YOW Ottawa

8h 29m1 stop Fort Lauderdale

C$ 844Multiple Airlines

Mon, 2 Nov - Mon, 9 Nov

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

9h 32m1 stop Fort Lauderdale

1:04 p.m. - 11:34 p.m.ORD Chicago O'Hare Intl-YOW Ottawa

33h 30m2 stops Houston George Bush Intcntl Fort Lauderdale

C$ 852Multiple Airlines

Sun, 1 Nov - Thu, 5 Nov

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

9h 32m1 stop Fort Lauderdale

7:17 p.m. - 5:52 p.m.ORD Chicago O'Hare Intl-YOW Ottawa

21h 35m3 stops Tweed-New Haven Orlando Toronto Pearson Intl

C$ 918Multiple Airlines

Sat, 31 Oct - Mon, 2 Nov

5:45 a.m. - 11:07 a.m.YOW Ottawa-ORD Chicago O'Hare Intl

6h 22m1 stop Montreal Pierre Elliott Trudeau Intl

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

2h 18mdirect

C$ 1,137Air Canada

Sun, 1 Nov - Sun, 22 Nov

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

2h 44mdirect

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

2h 18mdirect

C$ 1,203Air Canada

Sun, 1 Nov - Sun, 22 Nov

Cheap direct flights

Enter your travel dates to find the best prices.

4:42 p.m. - 6:30 p.m.YOW Ottawa-ORD Chicago O'Hare Intl

2h 48mdirect

10:48 a.m. - 2:09 p.m.ORD Chicago O'Hare Intl-YOW Ottawa

2h 21mdirect

C$ 990Air Canada

Thu, 31 Dec - Wed, 6 Jan

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

2h 45mdirect

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

2h 12mdirect

C$ 998Air Canada

Sun, 6 Dec - Sun, 13 Dec

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

2h 44mdirect

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

2h 12mdirect

C$ 998Air Canada

Tue, 24 Nov - Fri, 27 Nov

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

2h 45mdirect

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

2h 12mdirect

C$ 998Air Canada

Mon, 14 Dec - Tue, 15 Dec

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

2h 45mdirect

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

2h 18mdirect

C$ 998Air Canada

Sun, 22 Nov - Sat, 5 Dec

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

2h 48mdirect

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

2h 27mdirect

C$ 998Air Canada

Thu, 7 Jan - Wed, 20 Jan

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

2h 45mdirect

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

2h 12mdirect

C$ 1,008Air Canada

Tue, 8 Dec - Sat, 12 Dec

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

2h 45mdirect

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

2h 12mdirect

C$ 1,009Air Canada

Thu, 26 Nov - Sun, 29 Nov

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

2h 45mdirect

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

2h 18mdirect

C$ 1,113United Airlines

Sat, 5 Dec - Tue, 8 Dec

6:15 a.m. - 8:03 a.m.YOW Ottawa-ORD Chicago O'Hare Intl

2h 48mdirect

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

2h 27mdirect

C$ 1,114United Airlines

Sat, 19 Dec - Tue, 22 Dec

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Air Transat flights from Ottawa to Chicago O'Hare Intl Airport

Our best Air Transat deals on Ottawa to Chicago O'Hare Intl Airport flight tickets

Air Transat

9 Dec

YOW12:15 p.m.Ottawa

6h 25m

1 stop

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

11 Dec

ORD12:15 p.m.Chicago O'Hare Intl

4h 58m

1 stop

YOW6:13 p.m.Ottawa

C$ 597

Air Transat

6 Dec

YOW12:15 p.m.Ottawa

6h 25m

1 stop

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

13 Dec

ORD12:15 p.m.Chicago O'Hare Intl

4h 58m

1 stop

YOW6:13 p.m.Ottawa

C$ 598

Air Transat

10 Dec

YOW12:15 p.m.Ottawa

6h 25m

1 stop

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

17 Dec

ORD12:15 p.m.Chicago O'Hare Intl

4h 58m

1 stop

YOW6:13 p.m.Ottawa

C$ 621

Porter Airlines flights from Ottawa to Chicago O'Hare Intl Airport

Our best Porter Airlines deals on Ottawa to Chicago O'Hare Intl Airport flight tickets

Porter Airlines

21 Nov

YOW12:40 p.m.Ottawa

6h 00m

1 stop

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

23 Nov

ORD12:15 p.m.Chicago O'Hare Intl

4h 57m

1 stop

YOW6:12 p.m.Ottawa

C$ 514

Porter Airlines

8 Dec

YOW12:15 p.m.Ottawa

6h 25m

1 stop

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

12 Dec

ORD12:15 p.m.Chicago O'Hare Intl

6h 53m

1 stop

YOW8:08 p.m.Ottawa

C$ 519

Porter Airlines

24 Nov

YOW8:25 a.m.Ottawa

4h 10m

1 stop

ORD11:35 a.m.Chicago O'Hare Intl

27 Nov

ORD12:15 p.m.Chicago O'Hare Intl

4h 57m

1 stop

YOW6:12 p.m.Ottawa

C$ 534

momondo Fare Finder

Use the filters below to find and compare flights from Ottawa to Chicago O'Hare Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OttawaChicago

YOW Ottawa - ORD Chicago O'Hare Intl

YOWORD

Ottawa

Sat 21/11

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

1 stop6h 00m

Chicago O'Hare Intl

Mon 23/11

12:15 p.m.-6:12 p.m.

1 stop4h 57m

C$ 514

OttawaChicago

YOW Ottawa - ORD Chicago O'Hare Intl

YOWORD

Ottawa

Tue 8/12

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

1 stop6h 25m

Chicago O'Hare Intl

Sat 12/12

12:15 p.m.-8:08 p.m.

1 stop6h 53m

C$ 519

OttawaChicago

YOW Ottawa - ORD Chicago O'Hare Intl

YOWORD

Ottawa

Tue 8/12

7:00 a.m.-10:00 p.m.

2 stops16h 00m

Chicago O'Hare Intl

Sat 12/12

6:20 p.m.-11:33 a.m.

1 stop16h 13m

C$ 530

OttawaChicago

YOW Ottawa - ORD Chicago O'Hare Intl

YOWORD

Ottawa

Tue 24/11

8:25 a.m.-11:35 a.m.

1 stop4h 10m

Chicago O'Hare Intl

Fri 27/11

12:15 p.m.-6:12 p.m.

1 stop4h 57m

C$ 534

OttawaChicago

YOW Ottawa - ORD Chicago O'Hare Intl

YOWORD

Ottawa

Fri 20/11

8:25 a.m.-11:35 a.m.

1 stop4h 10m

Chicago O'Hare Intl

Wed 2/12

12:15 p.m.-6:13 p.m.

1 stop4h 58m

C$ 538

OttawaChicago

YOW Ottawa - ORD Chicago O'Hare Intl

YOWORD

Ottawa

Tue 24/11

7:05 a.m.-11:34 p.m.

1 stop17h 29m

Chicago O'Hare Intl

Fri 27/11

4:00 p.m.-5:15 p.m.

2 stops24h 15m

C$ 541

OttawaChicago

YOW Ottawa - ORD Chicago O'Hare Intl

YOWORD

Ottawa

Fri 20/11

8:25 a.m.-11:35 a.m.

1 stop4h 10m

Chicago O'Hare Intl

Sun 22/11

12:15 p.m.-6:12 p.m.

1 stop4h 57m

C$ 542

OttawaChicago

YOW Ottawa - ORD Chicago O'Hare Intl

YOWORD

Ottawa

Sat 21/11

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

1 stop6h 00m

Chicago O'Hare Intl

Mon 23/11

12:15 p.m.-6:12 p.m.

1 stop4h 57m

C$ 551

Quickest round-trip

OttawaChicago

YOW Ottawa - ORD Chicago O'Hare Intl

YOWORD

Ottawa

Sun 6/12

6:15 a.m.-8:00 a.m.

Nonstop2h 45m

Chicago O'Hare Intl

Sun 13/12

7:05 a.m.-2:12 p.m.

1 stop6h 07m

C$ 886

OttawaChicago

YOW Ottawa - ORD Chicago O'Hare Intl

YOWORD

Ottawa

Sat 5/12

9:00 a.m.-3:38 p.m.

2 stops7h 38m

Chicago O'Hare Intl

Tue 8/12

7:05 a.m.-2:12 p.m.

1 stop6h 07m

C$ 897

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 Ottawa to Chicago O'Hare Intl Airport

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 typical price of a round-trip flight between Ottawa and Chicago O'Hare Intl Airport?

Prices are currently low for flights on this route.

Typical prices usually range from C$ 776 to C$ 961.
The lowest price recently found on this route was C$ 514.

What is the cheapest month to fly to Chicago O'Hare Intl Airport?

In general, December is the cheapest month to fly from Ottawa to Chicago O'Hare Intl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around C$ 739. The month of November is another great option to travel to Chicago O'Hare Intl Airport, with average flight prices from Ottawa averaging around C$ 789.

What is the cheapest day to depart on your flight to Chicago O'Hare Intl Airport?

The cheapest day to depart on your flight to Chicago O'Hare Intl Airport is on a Wednesday when prices can be found for as low as C$ 782. This is often the case because there is less demand to fly during this day of the week. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from Ottawa to Chicago O'Hare Intl Airport for around C$ 1,000.

What is the cheapest time of day to depart on your flight to Chicago O'Hare Intl Airport?

In the afternoon is the cheapest time of day to fly from Ottawa to Chicago O'Hare Intl Airport when you can find flight prices for as low as C$ 803. Flying to Chicago O'Hare Intl Airport in the afternoon is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are C$ 882 on average. Flights to Chicago O'Hare Intl Airport from Ottawa in the morning are generally more expensive because this time of day is more convenient for travellers’ schedules.

What is the cheapest Ottawa to Chicago O'Hare Intl flight route?

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

What cabin class options are available on Ottawa to Chicago O'Hare Intl Airport flights?

There are 4 cabin classes available to choose from on Ottawa to Chicago O'Hare Intl Airport 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 Ottawa to Chicago O'Hare Intl Airport flights?

You could potentially save up to 12% on your flight if you consider stops on a Ottawa to Chicago O'Hare Intl Airport flight.

When to book flights from Ottawa to Chicago O'Hare Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Ottawa to Chicago O'Hare Intl Airport according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Ottawa to Chicago O'Hare Intl Airport (YOW to ORD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ottawa to Chicago O'Hare Intl Airport

Best price found	C$ 273
Fastest flight time	2h 45m
Direct flights	Every day

The best one-way flight to Chicago O'Hare Intl Airport from Ottawa in the past 72 hours is C$ 273. The best round-trip flight deal from Ottawa to Chicago O'Hare Intl Airport found on momondo in the last 72 hours is C$ 514.

The fastest flight from Ottawa to Chicago O'Hare Intl Airport takes 2h 45m

Direct flights go from Ottawa to Chicago O'Hare Intl Airport every day.

Search flight deals

Frequently asked questions about flying from Ottawa to Chicago O'Hare Intl Airport

How far is Ottawa to Chicago O'Hare Intl by plane?
The straight-line distance from Ottawa to Chicago O'Hare Intl is 1051.1 km. In terms of flight time, this usually takes a little over 2h 45m.
When did momondo last update prices for flights from Ottawa Airport to Chicago O'Hare Intl Airport?
Prices for flights from Ottawa Airport to Chicago O'Hare Intl Airport are updated daily.
How many operators does momondo search for flights from Ottawa Airport to Chicago O'Hare Intl Airport?
As of October 2026, there is 1 operator available to choose from for flights from Ottawa Airport to Chicago O'Hare Intl Airport.
How old do you have to be to fly from Ottawa Airport to Chicago O'Hare Intl Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ottawa Airport to Chicago O'Hare Intl Airport.
What documentation or ID do you need to fly to Chicago O'Hare Intl Airport?
The travel and health documents you'll need for your trip to Chicago O'Hare Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Chicago O'Hare Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Ottawa to Chicago O'Hare Intl Airport?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Ottawa to Chicago O'Hare Intl Airport is Embraer 175 (Enhanced Winglets) (48.85% of total bookings). The next most popular plane models are Airbus A319 (20.98%), Embraer 195 E2 (14.43%), and Airbus A321-100/200 (3.61%).
What is the most popular airline from Ottawa to Chicago O'Hare Intl Airport?
momondo data reveals that the most frequently booked airline on the route from Ottawa to Chicago O'Hare Intl Airport is Air Canada, representing 100% of all bookings.

Best airlines flying from Ottawa to Chicago O'Hare Intl Airport

Compare and see reviews for airlines that fly from Ottawa to Chicago O'Hare Intl Airport with momondo

Airline	Rating	Free Cancellation	Price
Air Canada	PriceFrom C$ 827	Free Cancellation	Rating 7.1 11,819 reviews		Search Air Canada flights

Air Canada Flights From Ottawa to Chicago O'Hare Intl Airport
Air Canada operates around 12 flights from Ottawa to Chicago O'Hare Intl Airport every week. The average price of these flights found in the last 72 hours has been C$ 1,025, but momondo users have found Air Canada deals from Ottawa to Chicago O'Hare Intl Airport from as low as C$ 827 round-trip. Air Canada has been scored 7.1/10 in 11,819 reviews.

Crystal Lake

Schaumburg

Waukegan

Glenview

Des Plaines

Merrillville

Kenosha

Tinley Park

Northbrook

Skokie

Rosemont

Evanston

Hammond

Benton Harbor

Naperville

Downers Grove

Munster

Harvey

Monroe

Hoffman Estates

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

Finding the right flight to Chicago from Ottawa is quick and easy when you have a range of options in front of you, from reputable agents and recognizable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Chicago quick and easy, saving you time and money.

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

All flight searches from Ottawa to Chicago on momondo can be filtered to show those which offer flexible booking policies.

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

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 Ottawa to Chicago.

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Of course. momondo tracks the price of Ottawa to Chicago flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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Cheap flights from Ottawa to Chicago from C$ 273

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ottawa to Chicago departing on 5/12. 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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Air Transat flights from Ottawa to Chicago O'Hare Intl Airport

Our best Air Transat deals on Ottawa to Chicago O'Hare Intl Airport flight tickets

Porter Airlines flights from Ottawa to Chicago O'Hare Intl Airport

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