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

As of September 2026, 11 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 5:00p.m., with 63% of daily flights taking off at noon.

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 77% 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.

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 77 per week as of September 2026. The most frequent departure day is Tue, with 17% of weekly flights leaving on this day.

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

WestJet, American Airlines, and Porter Airlines are the most popular carriers operating from Ottawa to Chicago O'Hare Intl

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 September 2026, there are 2 operators 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$ 259 Cheap Flights from Ottawa to Chicago O'Hare Intl Airport in 2026

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.

7:20 a.m. - 4:40 p.m.YOW Ottawa-ORD Chicago O'Hare Intl

10h 20m1 stop Calgary

5:30 p.m. - 5:35 a.m.ORD Chicago O'Hare Intl-YOW Ottawa

11h 05m1 stop Calgary

C$ 451WestJet

Sun, 11 Oct - Thu, 15 Oct

7:20 a.m. - 4:40 p.m.YOW Ottawa-ORD Chicago O'Hare Intl

10h 20m1 stop Calgary

6:20 p.m. - 1:14 p.m.ORD Chicago O'Hare Intl-YOW Ottawa

17h 54m1 stop Toronto Island

C$ 483Multiple Airlines

Fri, 23 Oct - Wed, 28 Oct

5:30 a.m. - 5:40 p.m.YOW Ottawa-ORD Chicago O'Hare Intl

13h 10m1 stop Toronto Pearson Intl

12:20 p.m. - 12:44 a.m.ORD Chicago O'Hare Intl-YOW Ottawa

11h 24m1 stop Toronto Island

C$ 487Multiple Airlines

Wed, 25 Nov - Fri, 27 Nov

5:30 a.m. - 5:40 p.m.YOW Ottawa-ORD Chicago O'Hare Intl

13h 10m1 stop Toronto Pearson Intl

12:20 p.m. - 12:44 a.m.ORD Chicago O'Hare Intl-YOW Ottawa

11h 24m1 stop Toronto Island

C$ 494Multiple Airlines

Thu, 12 Nov - Mon, 16 Nov

9:55 a.m. - 1:25 p.m.YOW Ottawa-ORD Chicago O'Hare Intl

4h 30m1 stop Toronto Island

2:00 p.m. - 7:52 p.m.ORD Chicago O'Hare Intl-YOW Ottawa

4h 52m1 stop Toronto Island

C$ 733Air Canada

Tue, 20 Oct - Fri, 23 Oct

4:00 p.m. - 7:48 p.m.YOW Ottawa-ORD Chicago O'Hare Intl

4h 48m1 stop Toronto Pearson Intl

7:09 a.m. - 1:10 p.m.ORD Chicago O'Hare Intl-YOW Ottawa

5h 01m1 stop Toronto Pearson Intl

C$ 733Air Canada

Tue, 20 Oct - Fri, 23 Oct

9:55 a.m. - 1:25 p.m.YOW Ottawa-ORD Chicago O'Hare Intl

4h 30m1 stop Toronto Island

2:00 p.m. - 7:52 p.m.ORD Chicago O'Hare Intl-YOW Ottawa

4h 52m1 stop Toronto Island

C$ 736Air Canada

Thu, 15 Oct - Tue, 20 Oct

5:20 p.m. - 6:46 p.m.YOW Ottawa-ORD Chicago O'Hare Intl

2h 26mdirect

10:40 a.m. - 1:59 p.m.ORD Chicago O'Hare Intl-YOW Ottawa

2h 19mdirect

C$ 1,024United Airlines

Fri, 9 Oct - Mon, 12 Oct

6:25 a.m. - 7:44 a.m.YOW Ottawa-ORD Chicago O'Hare Intl

2h 19mdirect

9:48 p.m. - 1:11 p.m.ORD Chicago O'Hare Intl-YOW Ottawa

14h 23m1 stop Newark

C$ 1,024United Airlines

Fri, 23 Oct - Sun, 25 Oct

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$ 1,024United Airlines

Thu, 17 Dec - Mon, 4 Jan

Cheap last-minute flights

Enter your travel dates to find the best prices.

7:00 a.m. - 10:59 p.m.YOW Ottawa-ORD Chicago O'Hare Intl

16h 59m2 stops Toronto Pearson Intl Orlando

3:50 p.m. - 2:33 p.m.ORD Chicago O'Hare Intl-YOW Ottawa

21h 43m1 stop Orlando

C$ 830Multiple Airlines

Tue, 15 Sep - Thu, 17 Sep

7:00 a.m. - 11:21 a.m.YOW Ottawa-ORD Chicago O'Hare Intl

5h 21m1 stop Toronto Pearson Intl

7:25 a.m. - 1:17 p.m.ORD Chicago O'Hare Intl-YOW Ottawa

4h 52m1 stop Toronto Island

C$ 978Air Canada

Wed, 16 Sep - Wed, 23 Sep

7:00 a.m. - 10:59 p.m.YOW Ottawa-ORD Chicago O'Hare Intl

16h 59m1 stop Orlando

7:11 a.m. - 3:07 p.m.ORD Chicago O'Hare Intl-YOW Ottawa

30h 56m1 stop Fort Lauderdale

C$ 990Multiple Airlines

Fri, 11 Sep - Sun, 13 Sep

6:25 a.m. - 7:44 a.m.YOW Ottawa-ORD Chicago O'Hare Intl

2h 19mdirect

7:25 a.m. - 1:17 p.m.ORD Chicago O'Hare Intl-YOW Ottawa

4h 52m1 stop Toronto Island

C$ 994Air Canada

Wed, 16 Sep - Wed, 23 Sep

7:00 a.m. - 10:59 p.m.YOW Ottawa-ORD Chicago O'Hare Intl

16h 59m2 stops Toronto Pearson Intl Orlando

3:50 p.m. - 2:33 p.m.ORD Chicago O'Hare Intl-YOW Ottawa

21h 43m1 stop Orlando

C$ 1,019Multiple Airlines

Tue, 15 Sep - Fri, 18 Sep

7:00 a.m. - 10:59 p.m.YOW Ottawa-ORD Chicago O'Hare Intl

16h 59m1 stop Orlando

3:50 p.m. - 2:33 p.m.ORD Chicago O'Hare Intl-YOW Ottawa

21h 43m1 stop Orlando

C$ 1,037Multiple Airlines

Fri, 11 Sep - Fri, 18 Sep

10:37 a.m. - 12:00 p.m.YOW Ottawa-ORD Chicago O'Hare Intl

2h 23mdirect

6:21 p.m. - 9:35 p.m.ORD Chicago O'Hare Intl-YOW Ottawa

2h 14mdirect

C$ 1,059Air Canada

Wed, 16 Sep - Wed, 23 Sep

6:25 a.m. - 7:44 a.m.YOW Ottawa-ORD Chicago O'Hare Intl

2h 19mdirect

12:55 p.m. - 6:55 p.m.ORD Chicago O'Hare Intl-YOW Ottawa

5h 00m1 stop Washington, D.C. Dulles Intl

C$ 1,369United Airlines

Tue, 15 Sep - Thu, 17 Sep

5:20 p.m. - 6:46 p.m.YOW Ottawa-ORD Chicago O'Hare Intl

2h 26mdirect

10:40 a.m. - 1:59 p.m.ORD Chicago O'Hare Intl-YOW Ottawa

2h 19mdirect

C$ 1,459United Airlines

Fri, 11 Sep - Sun, 13 Sep

10:37 a.m. - 11:59 a.m.YOW Ottawa-ORD Chicago O'Hare Intl

2h 22mdirect

9:00 a.m. - 2:27 p.m.ORD Chicago O'Hare Intl-YOW Ottawa

4h 27m1 stop Washington, D.C. Reagan-National

C$ 1,547United Airlines

Fri, 11 Sep - Sun, 13 Sep

Cheap direct flights

Enter your travel dates to find the best prices.

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$ 921Air Canada

Fri, 30 Oct - Sun, 1 Nov

6:25 a.m. - 7:44 a.m.YOW Ottawa-ORD Chicago O'Hare Intl

2h 19mdirect

1:55 p.m. - 5:16 p.m.ORD Chicago O'Hare Intl-YOW Ottawa

2h 21mdirect

C$ 921Air Canada

Fri, 9 Oct - Sun, 11 Oct

6:25 a.m. - 7:44 a.m.YOW Ottawa-ORD Chicago O'Hare Intl

2h 19mdirect

10:40 a.m. - 1:59 p.m.ORD Chicago O'Hare Intl-YOW Ottawa

2h 19mdirect

C$ 922Air Canada

Sun, 11 Oct - Thu, 15 Oct

5:20 p.m. - 6:46 p.m.YOW Ottawa-ORD Chicago O'Hare Intl

2h 26mdirect

10:40 a.m. - 1:59 p.m.ORD Chicago O'Hare Intl-YOW Ottawa

2h 19mdirect

C$ 922Air Canada

Fri, 9 Oct - Sun, 11 Oct

5:20 p.m. - 6:46 p.m.YOW Ottawa-ORD Chicago O'Hare Intl

2h 26mdirect

10:40 a.m. - 1:59 p.m.ORD Chicago O'Hare Intl-YOW Ottawa

2h 19mdirect

C$ 1,024United Airlines

Fri, 9 Oct - Mon, 12 Oct

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$ 1,024United Airlines

Thu, 17 Dec - Mon, 4 Jan

10:37 a.m. - 12:00 p.m.YOW Ottawa-ORD Chicago O'Hare Intl

2h 23mdirect

6:21 p.m. - 9:35 p.m.ORD Chicago O'Hare Intl-YOW Ottawa

2h 14mdirect

C$ 1,024United Airlines

Thu, 15 Oct - Sun, 18 Oct

5:20 p.m. - 6:46 p.m.YOW Ottawa-ORD Chicago O'Hare Intl

2h 26mdirect

10:40 a.m. - 1:59 p.m.ORD Chicago O'Hare Intl-YOW Ottawa

2h 19mdirect

C$ 1,107Multiple Airlines

Mon, 5 Oct - Mon, 12 Oct

6:25 a.m. - 7:44 a.m.YOW Ottawa-ORD Chicago O'Hare Intl

2h 19mdirect

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

2h 18mdirect

C$ 1,128Multiple Airlines

Fri, 23 Oct - Sun, 25 Oct

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$ 1,128Multiple Airlines

Sat, 7 Nov - Mon, 9 Nov

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

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

American Airlines

20 Oct

YOW7:00 a.m.Ottawa

6h 45m

1 stop

ORD12:45 p.m.Chicago O'Hare Intl

23 Oct

ORD8:06 a.m.Chicago O'Hare Intl

5h 49m

1 stop

YOW2:55 p.m.Ottawa

C$ 540

American Airlines

23 Sep

YOW7:00 a.m.Ottawa

6h 45m

1 stop

ORD12:45 p.m.Chicago O'Hare Intl

29 Sep

ORD8:03 a.m.Chicago O'Hare Intl

5h 52m

1 stop

YOW2:55 p.m.Ottawa

C$ 684

American Airlines

3 Oct

YOW7:00 a.m.Ottawa

6h 45m

1 stop

ORD12:45 p.m.Chicago O'Hare Intl

4 Oct

ORD8:03 a.m.Chicago O'Hare Intl

5h 52m

1 stop

YOW2:55 p.m.Ottawa

C$ 702

WestJet flights from Ottawa to Chicago O'Hare Intl Airport

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

WestJet

11 Oct

YOW7:20 a.m.Ottawa

10h 20m

1 stop

ORD4:40 p.m.Chicago O'Hare Intl

15 Oct

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

11h 05m

1 stop

YOW5:35 a.m.Ottawa

C$ 451

WestJet

21 Sep

YOW8:15 p.m.Ottawa

21h 25m

1 stop

ORD4:40 p.m.Chicago O'Hare Intl

29 Sep

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

11h 05m

1 stop

YOW5:35 a.m.Ottawa

C$ 586

WestJet

11 Oct

YOW6:15 p.m.Ottawa

23h 25m

2 stops

ORD4:40 p.m.Chicago O'Hare Intl

15 Oct

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

11h 05m

1 stop

YOW5:35 a.m.Ottawa

C$ 630

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

Sun 11/10

7:20 a.m.-4:40 p.m.

1 stop10h 20m

Chicago O'Hare Intl

Thu 15/10

5:30 p.m.-5:35 a.m.

1 stop11h 05m

C$ 451

OttawaChicago

YOW Ottawa - ORD Chicago O'Hare Intl

YOWORD

Ottawa

Fri 23/10

7:20 a.m.-4:40 p.m.

1 stop10h 20m

Chicago O'Hare Intl

Wed 28/10

6:20 p.m.-1:14 p.m.

1 stop17h 54m

C$ 483

OttawaChicago

YOW Ottawa - ORD Chicago O'Hare Intl

YOWORD

Ottawa

Wed 25/11

5:30 a.m.-5:40 p.m.

1 stop13h 10m

Chicago O'Hare Intl

Fri 27/11

12:20 p.m.-12:44 a.m.

1 stop11h 24m

C$ 487

OttawaChicago

YOW Ottawa - ORD Chicago O'Hare Intl

YOWORD

Ottawa

Thu 12/11

5:30 a.m.-5:40 p.m.

1 stop13h 10m

Chicago O'Hare Intl

Mon 16/11

12:20 p.m.-12:44 a.m.

1 stop11h 24m

C$ 494

OttawaChicago

YOW Ottawa - ORD Chicago O'Hare Intl

YOWORD

Ottawa

Tue 20/10

9:55 a.m.-1:25 p.m.

1 stop4h 30m

Chicago O'Hare Intl

Fri 23/10

2:00 p.m.-7:52 p.m.

1 stop4h 52m

C$ 733

OttawaChicago

YOW Ottawa - ORD Chicago O'Hare Intl

YOWORD

Ottawa

Tue 20/10

4:00 p.m.-7:48 p.m.

1 stop4h 48m

Chicago O'Hare Intl

Fri 23/10

7:09 a.m.-1:10 p.m.

1 stop5h 01m

C$ 733

OttawaChicago

YOW Ottawa - ORD Chicago O'Hare Intl

YOWORD

Ottawa

Thu 15/10

9:55 a.m.-1:25 p.m.

1 stop4h 30m

Chicago O'Hare Intl

Tue 20/10

2:00 p.m.-7:52 p.m.

1 stop4h 52m

C$ 736

Quickest round-trip

OttawaChicago

YOW Ottawa - ORD Chicago O'Hare Intl

YOWORD

Ottawa

Fri 9/10

5:20 p.m.-6:46 p.m.

Nonstop2h 26m

Chicago O'Hare Intl

Mon 12/10

10:40 a.m.-1:59 p.m.

Nonstop2h 19m

C$ 1,024

OttawaChicago

YOW Ottawa - ORD Chicago O'Hare Intl

YOWORD

Ottawa

Fri 23/10

6:25 a.m.-7:44 a.m.

Nonstop2h 19m

Chicago O'Hare Intl

Sun 25/10

9:48 p.m.-1:11 p.m.

1 stop14h 23m

C$ 1,024

OttawaChicago

YOW Ottawa - ORD Chicago O'Hare Intl

YOWORD

Ottawa

Thu 17/12

6:15 a.m.-8:03 a.m.

Nonstop2h 48m

Chicago O'Hare Intl

Mon 4/1

5:56 p.m.-9:23 p.m.

Nonstop2h 27m

C$ 1,024

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 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$ 720. 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$ 796.

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$ 756. 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$ 968.

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$ 758. 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$ 828 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 20% 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$ 259
Fastest flight time	2h 19m
Direct flights	Every day

The best one-way flight to Chicago O'Hare Intl Airport from Ottawa in the past 72 hours is C$ 259. The best round-trip flight deal from Ottawa to Chicago O'Hare Intl Airport found on momondo in the last 72 hours is C$ 451.

The fastest flight from Ottawa to Chicago O'Hare Intl Airport takes 2h 19m

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

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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 19m.
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 September 2026, there are 2 operators 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) (46.39% of total bookings). The next most popular plane models are Airbus A319 (35.42%), Embraer 195 E2 (6.58%), and Boeing 777-300ER (1.57%).
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 50% of all bookings. The subsequent popular airline is United Airlines at 50%.

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$ 413	Free Cancellation	Rating 7.1 11,608 reviews		Search Air Canada flights
United Airlines	PriceFrom C$ 469	Free Cancellation	Rating 7.4 10,194 reviews		Search United Airlines flights

United Airlines Flights From Ottawa to Chicago O'Hare Intl Airport
United Airlines operates around 20 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$ 765, but momondo users have found United Airlines deals from Ottawa to Chicago O'Hare Intl Airport from as low as C$ 469 round-trip. United Airlines has been scored 7.4/10 in 10,194 reviews.
Air Canada Flights From Ottawa to Chicago O'Hare Intl Airport
Air Canada (7.1/10 from 11,608 reviews) operates around 19 flights from Ottawa to Chicago O'Hare Intl Airport in any given week. The average Air Canada airfare for this route is around C$ 978, with deals from around C$ 413 rare but found on momondo. Referenced prices are for round-trip Ottawa to Chicago O'Hare Intl Airport flight searches in the last 72 hours.

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Glenview

Rosemont

Des Plaines

Merrillville

Kenosha

Northbrook

Tinley Park

Skokie

Evanston

Benton Harbor

Downers Grove

Hammond

Naperville

Harvey

Munster

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$ 259

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 23/10. 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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American Airlines flights from Ottawa to Chicago O'Hare Intl Airport

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

WestJet flights from Ottawa to Chicago O'Hare Intl Airport

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