Which airport is the most popular layover for flights between Ottawa and Chicago?

Toronto (YTZ) was the most common stop: 67% of momondo users choosing one-stop flights on this route connected there.

Which layover airport has the shortest travel time from Ottawa to Chicago?

Flights connecting via Toronto (YTZ) have the shortest average one-way travel time: 5h 12m.

Which airlines fly to Chicago?

Air Canada, United Airlines and Porter Airlines are the top three most popular airlines that fly to Chicago from Ottawa according to our data. Air Canada is the first choice among our users, with 69% of people opting to fly with this airline when travelling to Chicago. Keep in mind that there are 4 different airlines that fly to Chicago on a routine basis, so you have a few additional options to choose from.

Which layover airport has the shortest connection time from Ottawa to Chicago?

Toronto (YTZ) has the shortest average layover time for this route: 2h 59m.

Which layover airport offers the lowest fares from Ottawa to Chicago?

Flights via Toronto (YTZ) offer the lowest average round-trip price of C$ 489.

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

As of August 2026, 1 flights take off from Ottawa and land in Chicago each day. The most common flight departure time for this route is 10:00a.m., with 75% of daily flights taking off at noon.

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

12 flights are operational weekly from Ottawa to Chicago as of August 2026. The most popular departure day for this route is Mon, with 100% of flights per week taking off on this day.

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

Porter Airlines and American Airlines are the most popular carriers operating from Ottawa to Chicago

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

Prices for flights from Ottawa Airport to Chicago refresh daily.

How many operators does momondo search for flights from Ottawa Airport to Chicago?

The number of operators available for flights from Ottawa Airport to Chicago is 2 as of August 2026.

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

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Ottawa Airport to Chicago.

What documentation or ID do you need to fly to Chicago?

The travel and health documents required for your trip to Chicago can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Chicago. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

C$ 280 Cheap Flights from Ottawa to Chicago 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.

6:05 a.m. - 12:08 p.m.YOW Ottawa-ORD Chicago O'Hare Intl

7h 03m1 stop Newark

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

2h 14mdirect

C$ 501Air Canada

Sat, 19 Sep - Sat, 19 Sep

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$ 502WestJet

Thu, 10 Sep - Sun, 13 Sep

7:00 a.m. - 6:23 p.m.YOW Ottawa-ORD Chicago O'Hare Intl

12h 23m2 stops Orlando Atlanta Hartsfield-Jackson

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

30h 56m1 stop Fort Lauderdale

C$ 505Multiple Airlines

Sat, 12 Sep - Sun, 20 Sep

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$ 506WestJet

Fri, 16 Oct - Mon, 19 Oct

9:55 a.m. - 1:21 p.m.YOW Ottawa-ORD Chicago O'Hare Intl

4h 26m1 stop Toronto Island

9:35 p.m. - 9:11 a.m.ORD Chicago O'Hare Intl-YOW Ottawa

10h 36m1 stop Newark

C$ 509Air Canada

Sat, 19 Sep - Sat, 19 Sep

5:20 p.m. - 8:51 p.m.YOW Ottawa-ORD Chicago O'Hare Intl

4h 31m1 stop Toronto Island

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

4h 52m1 stop Toronto Island

C$ 745Air Canada

Sat, 5 Sep - Sat, 12 Sep

9:55 a.m. - 1:21 p.m.YOW Ottawa-ORD Chicago O'Hare Intl

4h 26m1 stop Toronto Island

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

4h 52m1 stop Toronto Island

C$ 761Air Canada

Fri, 25 Sep - Mon, 28 Sep

6:05 a.m. - 11:21 p.m.YOW Ottawa-ORD Chicago O'Hare Intl

18h 16m1 stop Newark

7:30 a.m. - 6:55 p.m.ORD Chicago O'Hare Intl-YOW Ottawa

10h 25m2 stops Newark Washington, D.C. Dulles Intl

C$ 842United Airlines

Wed, 7 Oct - Sat, 10 Oct

3:10 p.m. - 12:28 a.m.YOW Ottawa-ORD Chicago O'Hare Intl

10h 18m1 stop Newark

6:00 p.m. - 9:11 a.m.ORD Chicago O'Hare Intl-YOW Ottawa

14h 11m1 stop Newark

C$ 842United Airlines

Tue, 22 Sep - Sat, 26 Sep

6:00 a.m. - 4:34 p.m.YOW Ottawa-ORD Chicago O'Hare Intl

11h 34m2 stops Washington, D.C. Dulles Intl Newark

12:09 p.m. - 11:54 p.m.ORD Chicago O'Hare Intl-YOW Ottawa

10h 45m2 stops Newark Washington, D.C. Dulles Intl

C$ 842United Airlines

Sat, 3 Oct - Tue, 6 Oct

Cheap last-minute flights

Enter your travel dates to find the best prices.

5:20 p.m. - 8:41 p.m.YOW Ottawa-ORD Chicago O'Hare Intl

4h 21m1 stop Toronto Island

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

4h 52m1 stop Toronto Island

C$ 954Air Canada

Sun, 16 Aug - Sun, 23 Aug

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$ 954Air Canada

Sun, 16 Aug - Sun, 23 Aug

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$ 966Air Canada

Sun, 16 Aug - Sun, 23 Aug

5:20 p.m. - 8:41 p.m.YOW Ottawa-ORD Chicago O'Hare Intl

4h 21m1 stop Toronto Island

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

4h 52m1 stop Toronto Island

C$ 975Air Canada

Sun, 16 Aug - Sun, 23 Aug

10:40 a.m. - 2:35 p.m.YOW Ottawa-MDW Chicago Midway

4h 55m1 stop Toronto Island

3:15 p.m. - 9:44 p.m.MDW Chicago Midway-YOW Ottawa

5h 29m1 stop Toronto Island

C$ 996Porter Airlines

Thu, 13 Aug - Sun, 23 Aug

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$ 1,008Air Canada

Sun, 16 Aug - Sun, 23 Aug

10:40 a.m. - 2:35 p.m.YOW Ottawa-MDW Chicago Midway

4h 55m1 stop Toronto Island

3:15 p.m. - 9:44 p.m.MDW Chicago Midway-YOW Ottawa

5h 29m1 stop Toronto Island

C$ 1,010Porter Airlines

Sun, 16 Aug - Sun, 23 Aug

9:05 a.m. - 8:02 a.m.YOW Ottawa-ORD Chicago O'Hare Intl

23h 57m2 stops Newark Atlanta Hartsfield-Jackson

8:05 a.m. - 2:55 p.m.ORD Chicago O'Hare Intl-YOW Ottawa

29h 50m1 stop Fort Lauderdale

C$ 1,095Multiple Airlines

Sun, 16 Aug - Sun, 23 Aug

10:40 a.m. - 2:35 p.m.YOW Ottawa-MDW Chicago Midway

4h 55m1 stop Toronto Island

10:20 a.m. - 8:04 p.m.MDW Chicago Midway-YOW Ottawa

8h 44m1 stop Toronto Island

C$ 1,120Porter Airlines

Sun, 16 Aug - Sun, 23 Aug

6:00 a.m. - 12:56 p.m.YOW Ottawa-ORD Chicago O'Hare Intl

7h 56m2 stops Washington, D.C. Dulles Intl Indianapolis

6:15 p.m. - 11:54 p.m.ORD Chicago O'Hare Intl-YOW Ottawa

4h 39m1 stop Washington, D.C. Dulles Intl

C$ 1,217United Airlines

Sun, 16 Aug - Sun, 23 Aug

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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$ 866Air Canada

Fri, 25 Sep - Mon, 28 Sep

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$ 866Air Canada

Fri, 25 Sep - Mon, 28 Sep

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$ 866Air Canada

Sat, 19 Sep - Sat, 19 Sep

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

2h 26mdirect

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

2h 14mdirect

C$ 866Air Canada

Thu, 1 Oct - Sun, 4 Oct

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

2h 19mdirect

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

2h 14mdirect

C$ 866Air Canada

Thu, 10 Sep - Sun, 13 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$ 866Air Canada

Fri, 25 Sep - Mon, 28 Sep

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

2h 19mdirect

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

2h 14mdirect

C$ 870Air Canada

Thu, 10 Sep - Sun, 13 Sep

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

2h 26mdirect

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

2h 21mdirect

C$ 870Air Canada

Tue, 22 Sep - Tue, 29 Sep

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

2h 26mdirect

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

2h 21mdirect

C$ 959United Airlines

Tue, 22 Sep - Tue, 29 Sep

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

2h 26mdirect

10:50 a.m. - 2:09 p.m.ORD Chicago O'Hare Intl-YOW Ottawa

2h 19mdirect

C$ 962United Airlines

Tue, 22 Sep - Sat, 26 Sep

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Air Canada flights from Ottawa to Chicago

Our best Air Canada deals on Ottawa to Chicago flight tickets

Air Canada

19 Sep

YOW6:05 a.m.Ottawa

7h 03m

1 stop

ORD12:08 p.m.Chicago O'Hare Intl

19 Sep

ORD6:21 p.m.Chicago O'Hare Intl

2h 14m

YOW9:35 p.m.Ottawa

C$ 501

Air Canada

19 Sep

YOW9:55 a.m.Ottawa

4h 26m

1 stop

ORD1:21 p.m.Chicago O'Hare Intl

19 Sep

ORD9:35 p.m.Chicago O'Hare Intl

10h 36m

1 stop

YOW9:11 a.m.Ottawa

C$ 509

Air Canada

23 Aug

YOW9:55 a.m.Ottawa

4h 26m

1 stop

ORD1:21 p.m.Chicago O'Hare Intl

25 Aug

ORD2:00 p.m.Chicago O'Hare Intl

4h 52m

1 stop

YOW7:52 p.m.Ottawa

C$ 866

WestJet flights from Ottawa to Chicago

Our best WestJet deals on Ottawa to Chicago flight tickets

WestJet

10 Sep

YOW7:20 a.m.Ottawa

10h 20m

1 stop

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

13 Sep

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

11h 05m

1 stop

YOW5:35 a.m.Ottawa

C$ 502

WestJet

16 Oct

YOW7:20 a.m.Ottawa

10h 20m

1 stop

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

19 Oct

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

11h 05m

1 stop

YOW5:35 a.m.Ottawa

C$ 506

WestJet

15 Oct

YOW7:20 a.m.Ottawa

10h 20m

1 stop

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

19 Oct

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

11h 05m

1 stop

YOW5:35 a.m.Ottawa

C$ 508

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

OttawaChicago

YOW Ottawa - ORD Chicago O'Hare Intl

YOWORD

Ottawa

Sat 19/9

6:05 a.m.-12:08 p.m.

1 stop7h 03m

Chicago O'Hare Intl

Sat 19/9

6:21 p.m.-9:35 p.m.

Nonstop2h 14m

C$ 501

OttawaChicago

YOW Ottawa - ORD Chicago O'Hare Intl

YOWORD

Ottawa

Thu 10/9

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

1 stop10h 20m

Chicago O'Hare Intl

Sun 13/9

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

1 stop11h 05m

C$ 502

OttawaChicago

YOW Ottawa - ORD Chicago O'Hare Intl

YOWORD

Ottawa

Sat 12/9

7:00 a.m.-6:23 p.m.

2 stops12h 23m

Chicago O'Hare Intl

Sun 20/9

7:11 a.m.-3:07 p.m.

1 stop30h 56m

C$ 505

OttawaChicago

YOW Ottawa - ORD Chicago O'Hare Intl

YOWORD

Ottawa

Fri 16/10

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

1 stop10h 20m

Chicago O'Hare Intl

Mon 19/10

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

1 stop11h 05m

C$ 506

OttawaChicago

YOW Ottawa - ORD Chicago O'Hare Intl

YOWORD

Ottawa

Sat 19/9

9:55 a.m.-1:21 p.m.

1 stop4h 26m

Chicago O'Hare Intl

Sat 19/9

9:35 p.m.-9:11 a.m.

1 stop10h 36m

C$ 509

OttawaChicago

YOW Ottawa - ORD Chicago O'Hare Intl

YOWORD

Ottawa

Sat 5/9

5:20 p.m.-8:51 p.m.

1 stop4h 31m

Chicago O'Hare Intl

Sat 12/9

7:25 a.m.-1:17 p.m.

1 stop4h 52m

C$ 745

OttawaChicago

YOW Ottawa - ORD Chicago O'Hare Intl

YOWORD

Ottawa

Fri 25/9

9:55 a.m.-1:21 p.m.

1 stop4h 26m

Chicago O'Hare Intl

Mon 28/9

7:25 a.m.-1:17 p.m.

1 stop4h 52m

C$ 761

OttawaChicago

YOW Ottawa - ORD Chicago O'Hare Intl

YOWORD

Ottawa

Wed 7/10

6:05 a.m.-11:21 p.m.

1 stop18h 16m

Chicago O'Hare Intl

Sat 10/10

7:30 a.m.-6:55 p.m.

2 stops10h 25m

C$ 842

OttawaChicago

YOW Ottawa - ORD Chicago O'Hare Intl

YOWORD

Ottawa

Tue 22/9

3:10 p.m.-12:28 a.m.

1 stop10h 18m

Chicago O'Hare Intl

Sat 26/9

6:00 p.m.-9:11 a.m.

1 stop14h 11m

C$ 842

OttawaChicago

YOW Ottawa - ORD Chicago O'Hare Intl

YOWORD

Ottawa

Sat 3/10

6:00 a.m.-4:34 p.m.

2 stops11h 34m

Chicago O'Hare Intl

Tue 6/10

12:09 p.m.-11:54 p.m.

2 stops10h 45m

C$ 842

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

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

Layovers

Other information

What is the typical price of a round-trip flight between Ottawa and Chicago?

Prices are currently typical for flights on this route.

Typical prices usually range from C$ 487 to C$ 940.
The lowest price recently found on this route was C$ 501.

What is the cheapest month to fly to Chicago?

The month of March is another great option to travel to Chicago, with average flight prices from Ottawa averaging around C$ 566.

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

The cheapest day to depart on your flight to Chicago is on a Saturday when prices can be found for as low as C$ 767. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Monday because tickets tend to average around C$ 1,009. These prices are subject to change though, so be sure to set up a Price Alert for flights to Chicago.

What is the cheapest time of day to depart on your flight to Chicago?

In the afternoon is the cheapest time of day to fly from Ottawa to Chicago when you can find flight prices for as low as C$ 785. Flying to Chicago in the afternoon is an ideal time because this is during off-peak travel hours. In the morning is when there is more demand to fly to Chicago, so prices are often more expensive at around C$ 847 per ticket.

What is the cheapest Ottawa to Chicago flight route?

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

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

There are 4 cabin classes available to choose from on Ottawa to Chicago 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 flights?

You could potentially save up to 42% on your flight if you consider stops on a Ottawa to Chicago flight.

How have Ottawa to Chicago flight prices changed over time?

When to book flights from Ottawa to Chicago

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

Estimated round-trip price

Cheap Ottawa to Chicago (YOW to CHI) flight deals and tips

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

Best price found	C$ 368
Fastest flight time	2h 19m
Direct flights	Every day
Airports in Chicago	3 airports

The best one-way flight to Chicago from Ottawa in the past 72 hours is C$ 368. The best round-trip flight deal from Ottawa to Chicago found on momondo in the last 72 hours is C$ 753.

The fastest flight from Ottawa to Chicago takes 2h 19m

Direct flights go from Ottawa to Chicago every day.

There are 3 airports in Chicago. From Ottawa there are direct flights to Chicago O'Hare Intl (ORD).

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Frequently asked questions about flying from Ottawa to Chicago

How far is Ottawa to Chicago by plane?
A flight from Ottawa to Chicago will travel around 1035.5 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?
Prices for flights from Ottawa Airport to Chicago refresh daily.
How many operators does momondo search for flights from Ottawa Airport to Chicago?
The number of operators available for flights from Ottawa Airport to Chicago is 2 as of August 2026.
How old do you have to be to fly from Ottawa Airport to Chicago?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Ottawa Airport to Chicago.
What documentation or ID do you need to fly to Chicago?
The travel and health documents required for your trip to Chicago can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Chicago. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from Ottawa to Chicago?
Based on momondo bookings for flights between Ottawa and Chicago, the leading plane model is Embraer 175 (Enhanced Winglets), making up 45.19% of the total bookings. Other popular models include Airbus A319 with 31.73%, Embraer 195 E2 with 6.25%, and Boeing 777-300ER with 2.40%.
What is the most popular airline from Ottawa to Chicago?
momondo data reveals that the most frequently booked airline on the route from Ottawa to Chicago is United Airlines, representing 44% of all bookings. The subsequent popular airlines are Porter Airlines at 36% and Air Canada at 20%.

Best airlines flying from Ottawa to Chicago

Compare and see reviews for airlines that fly from Ottawa to Chicago with momondo

Airline	Rating	Free Cancellation	Price
Air Canada	PriceFrom C$ 418	Free Cancellation	Rating 7.1 11,462 reviews		Search Air Canada flights
United Airlines	PriceFrom C$ 476	Free Cancellation	Rating 7.4 10,104 reviews		Search United Airlines flights

United Airlines Flights From Ottawa to Chicago
Across 3 United Airlines flights from Ottawa to Chicago this week, the average price was C$ 767, with the best United Airlines deals starting from C$ 476 round-trip. 10,104 users have rated United Airlines on momondo, with an average score of 7.4/10.
Air Canada Flights From Ottawa to Chicago
Across 11,462 Air Canada reviews on momondo, the average score is 7.1/10. Air Canada flies from Ottawa to Chicago about 3 times each week, with ticket deals ranging from C$ 418 to C$ 1,127. Price data is based on momondo searches in the last 72 hours.

Merrillville

Hammond

Munster

Valparaiso

Portage

Why use momondo?

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?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Chicago from Ottawa.

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

Yes. momondo can track prices for Ottawa to Chicago flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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Complete your trip

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Fly into one of these airports located in Chicago

Chicago Midway Airport

Chicago O'Hare Intl Airport

Cheap flights from Ottawa to Chicago from C$ 280

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 11/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Find the cheapest flights from Ottawa to Chicago

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Cheap last-minute flights

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Air Canada flights from Ottawa to Chicago

Our best Air Canada deals on Ottawa to Chicago flight tickets

WestJet flights from Ottawa to Chicago

Our best WestJet deals on Ottawa to Chicago flight tickets

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See travel insights to Chicago from

How to get the cheapest flight ticket from Ottawa to Chicago

What is the typical price of a round-trip flight between Ottawa and Chicago?

What is the cheapest month to fly to Chicago?

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

What is the cheapest time of day to depart on your flight to Chicago?

What is the cheapest Ottawa to Chicago flight route?

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

Can stopping save me money on Ottawa to Chicago flights?

How have Ottawa to Chicago flight prices changed over time?

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

Which airlines fly to Chicago?

Which airport is the most popular layover for flights between Ottawa and Chicago?

Which layover airport offers the lowest fares from Ottawa to Chicago?

Which layover airport has the shortest travel time from Ottawa to Chicago?

Which layover airport has the shortest connection time from Ottawa to Chicago?

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

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

When to book flights from Ottawa to Chicago

Cheap Ottawa to Chicago (YOW to CHI) flight deals and tips

Best price found

Fastest flight time

Direct flights

Airports in Chicago

Frequently asked questions about flying from Ottawa to Chicago

Best airlines flying from Ottawa to Chicago

Compare and see reviews for airlines that fly from Ottawa to Chicago with momondo

Travelling to a place near Chicago?

Why use momondo?

An easier way to manage your Chicago trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Fly into one of these airports located in Chicago

Airports listed have a maximum distance of 25.6 km from Chicago

Fly your favourite airline to Chicago

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Chicago

List of cabin classes available on flights landing in Chicago. Availability may vary depending on flight origin and airline.

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