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

As of October 2026, 12 flights take off from Ottawa and land in Chicago each day. The most common flight departure time for this route is 6:00a.m., with 69% of daily flights taking off at noon.

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

88 flights are operational weekly from Ottawa to Chicago as of October 2026. The most popular departure day for this route is Mon, with 15% of flights per week taking off on this day.

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 73% 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.

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

Porter Airlines is the most popular carrier 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 October 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$ 318 Cheap Flights from Ottawa to Chicago 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

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

4h 54m1 stop Toronto Island

C$ 527Porter Airlines

Sat, 21 Nov - Sun, 22 Nov

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

6h 00m1 stop Toronto Island

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

4h 54m1 stop Toronto Island

C$ 531Porter Airlines

Sat, 14 Nov - Sun, 15 Nov

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

6h 25m1 stop Toronto Island

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

4h 54m1 stop Toronto Island

C$ 541Porter Airlines

Tue, 10 Nov - Thu, 12 Nov

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

6h 25m1 stop Toronto Island

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

4h 54m1 stop Toronto Island

C$ 547Porter Airlines

Thu, 5 Nov - Sun, 8 Nov

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

2h 44mdirect

3:50 p.m. - 10:32 p.m.ORD Chicago O'Hare Intl-YOW Ottawa

5h 42m1 stop Montreal Pierre Elliott Trudeau Intl

C$ 913Air Canada

Sat, 21 Nov - Mon, 23 Nov

6:05 a.m. - 4:34 p.m.YOW Ottawa-ORD Chicago O'Hare Intl

11h 29m1 stop Newark

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

14h 11m1 stop Newark

C$ 941United Airlines

Tue, 20 Oct - Fri, 23 Oct

4:46 p.m. - 6:29 p.m.YOW Ottawa-ORD Chicago O'Hare Intl

2h 43mdirect

7:05 a.m. - 2:07 p.m.ORD Chicago O'Hare Intl-YOW Ottawa

6h 02m1 stop Montreal Pierre Elliott Trudeau Intl

C$ 947Air Canada

Wed, 28 Oct - Wed, 4 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$ 951Air Canada

Tue, 3 Nov - Fri, 6 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$ 984United Airlines

Mon, 2 Nov - Thu, 5 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$ 984United Airlines

Fri, 6 Nov - Sun, 8 Nov

Cheap last-minute flights

Enter your travel dates to find the best prices.

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

6h 45m1 stop Toronto Pearson Intl

11:45 a.m. - 5:58 p.m.ORD Chicago O'Hare Intl-YOW Ottawa

5h 13m1 stop Toronto Pearson Intl

C$ 1,065American Airlines

Mon, 5 Oct - Fri, 6 Nov

7:15 a.m. - 11:51 a.m.YOW Ottawa-ORD Chicago O'Hare Intl

29h 36m2 stops Fort Lauderdale Atlanta Hartsfield-Jackson

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

4h 54m1 stop Toronto Island

C$ 1,075Multiple Airlines

Mon, 5 Oct - Fri, 6 Nov

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$ 1,088Air New Zealand

Mon, 5 Oct - Thu, 8 Oct

8:00 a.m. - 2:35 p.m.YOW Ottawa-MDW Chicago Midway

7h 35m1 stop Toronto Island

3:20 p.m. - 9:42 p.m.MDW Chicago Midway-YOW Ottawa

5h 22m1 stop Toronto Island

C$ 1,092Porter Airlines

Tue, 6 Oct - Thu, 8 Oct

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

2h 23mdirect

1:55 p.m. - 7:52 p.m.ORD Chicago O'Hare Intl-YOW Ottawa

4h 57m1 stop Toronto Island

C$ 1,186Air Canada

Mon, 5 Oct - Fri, 6 Nov

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

2h 19mdirect

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

2h 12mdirect

C$ 1,186Air Canada

Mon, 5 Oct - Fri, 6 Nov

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

2h 23mdirect

6:06 p.m. - 11:54 p.m.ORD Chicago O'Hare Intl-YOW Ottawa

4h 48m1 stop Washington, D.C. Dulles Intl

C$ 1,217Air Canada

Mon, 5 Oct - Mon, 19 Oct

6:05 a.m. - 10:53 a.m.YOW Ottawa-ORD Chicago O'Hare Intl

5h 48m1 stop Newark

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

2h 21mdirect

C$ 1,333United Airlines

Tue, 6 Oct - Tue, 6 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$ 1,333United Airlines

Tue, 6 Oct - Tue, 6 Oct

6:00 a.m. - 11:59 a.m.YOW Ottawa-ORD Chicago O'Hare Intl

6h 59m2 stops Washington, D.C. Dulles Intl Indianapolis

6:06 p.m. - 11:54 p.m.ORD Chicago O'Hare Intl-YOW Ottawa

4h 48m1 stop Washington, D.C. Dulles Intl

C$ 1,403United Airlines

Thu, 8 Oct - Mon, 12 Oct

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$ 951Air Canada

Tue, 3 Nov - Fri, 6 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$ 953Air Canada

Tue, 3 Nov - Fri, 6 Nov

4:46 p.m. - 6:29 p.m.YOW Ottawa-ORD Chicago O'Hare Intl

2h 43mdirect

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

2h 18mdirect

C$ 953Air Canada

Wed, 28 Oct - Wed, 4 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$ 968Air Canada

Sat, 21 Nov - Mon, 23 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$ 984United Airlines

Fri, 6 Nov - Sun, 8 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$ 984United Airlines

Mon, 2 Nov - Thu, 5 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$ 984United Airlines

Fri, 20 Nov - Mon, 23 Nov

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$ 1,161Multiple Airlines

Mon, 19 Oct - Tue, 20 Oct

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$ 1,161Multiple Airlines

Mon, 19 Oct - Wed, 21 Oct

4:42 p.m. - 6:30 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$ 1,182Multiple Airlines

Sat, 26 Dec - Mon, 28 Dec

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Porter Airlines flights from Ottawa to Chicago

Our best Porter Airlines deals on Ottawa to Chicago flight tickets

Porter Airlines

21 Nov

YOW12:40 p.m.Ottawa

6h 00m

1 stop

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

22 Nov

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

4h 54m

1 stop

YOW6:14 p.m.Ottawa

C$ 527

Porter Airlines

14 Nov

YOW12:40 p.m.Ottawa

6h 00m

1 stop

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

15 Nov

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

4h 54m

1 stop

YOW6:14 p.m.Ottawa

C$ 531

Porter Airlines

10 Nov

YOW12:15 p.m.Ottawa

6h 25m

1 stop

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

12 Nov

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

4h 54m

1 stop

YOW6:14 p.m.Ottawa

C$ 541

United Airlines flights from Ottawa to Chicago

Our best United Airlines deals on Ottawa to Chicago flight tickets

United Airlines

16 Oct

YOW6:25 a.m.Ottawa

2h 19m

ORD7:44 a.m.Chicago O'Hare Intl

19 Oct

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

10h 36m

1 stop

YOW9:11 a.m.Ottawa

C$ 1,037

United Airlines

16 Oct

YOW5:20 p.m.Ottawa

2h 26m

ORD6:46 p.m.Chicago O'Hare Intl

19 Oct

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

2h 14m

YOW9:35 p.m.Ottawa

C$ 1,153

United Airlines

15 Oct

YOW6:05 a.m.Ottawa

6h 55m

1 stop

ORD12:00 p.m.Chicago O'Hare Intl

22 Oct

ORD5:00 a.m.Chicago O'Hare Intl

9h 10m

2 stops

YOW3:10 p.m.Ottawa

C$ 1,193

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

Sun 22/11

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

1 stop4h 54m

C$ 527

OttawaChicago

YOW Ottawa - ORD Chicago O'Hare Intl

YOWORD

Ottawa

Sat 14/11

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

1 stop6h 00m

Chicago O'Hare Intl

Sun 15/11

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

1 stop4h 54m

C$ 531

OttawaChicago

YOW Ottawa - ORD Chicago O'Hare Intl

YOWORD

Ottawa

Tue 10/11

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

1 stop6h 25m

Chicago O'Hare Intl

Thu 12/11

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

1 stop4h 54m

C$ 541

OttawaChicago

YOW Ottawa - ORD Chicago O'Hare Intl

YOWORD

Ottawa

Thu 5/11

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

1 stop6h 25m

Chicago O'Hare Intl

Sun 8/11

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

1 stop4h 54m

C$ 547

OttawaChicago

YOW Ottawa - ORD Chicago O'Hare Intl

YOWORD

Ottawa

Sat 21/11

4:46 p.m.-6:30 p.m.

Nonstop2h 44m

Chicago O'Hare Intl

Mon 23/11

3:50 p.m.-10:32 p.m.

1 stop5h 42m

C$ 913

OttawaChicago

YOW Ottawa - ORD Chicago O'Hare Intl

YOWORD

Ottawa

Tue 20/10

6:05 a.m.-4:34 p.m.

1 stop11h 29m

Chicago O'Hare Intl

Fri 23/10

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

1 stop14h 11m

C$ 941

OttawaChicago

YOW Ottawa - ORD Chicago O'Hare Intl

YOWORD

Ottawa

Wed 28/10

4:46 p.m.-6:29 p.m.

Nonstop2h 43m

Chicago O'Hare Intl

Wed 4/11

7:05 a.m.-2:07 p.m.

1 stop6h 02m

C$ 947

Quickest round-trip

OttawaChicago

YOW Ottawa - ORD Chicago O'Hare Intl

YOWORD

Ottawa

Tue 3/11

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

Nonstop2h 45m

Chicago O'Hare Intl

Fri 6/11

10:57 a.m.-2:09 p.m.

Nonstop2h 12m

C$ 951

OttawaChicago

YOW Ottawa - ORD Chicago O'Hare Intl

YOWORD

Ottawa

Mon 2/11

4:46 p.m.-6:30 p.m.

Nonstop2h 44m

Chicago O'Hare Intl

Thu 5/11

5:58 p.m.-9:16 p.m.

Nonstop2h 18m

C$ 984

OttawaChicago

YOW Ottawa - ORD Chicago O'Hare Intl

YOWORD

Ottawa

Fri 6/11

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

Nonstop2h 45m

Chicago O'Hare Intl

Sun 8/11

5:58 p.m.-9:16 p.m.

Nonstop2h 18m

C$ 984

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

Other information

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

Prices are currently low for flights on this route.

Typical prices usually range from C$ 655 to C$ 1,323.
The lowest price recently found on this route was C$ 527.

What is the cheapest month to fly to Chicago?

The month of February is another great option to travel to Chicago, with average flight prices from Ottawa averaging around C$ 585.

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 Wednesday when prices can be found for as low as C$ 783. 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$ 1,004. 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$ 792. 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$ 860 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 15% 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$ 318
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$ 318. The best round-trip flight deal from Ottawa to Chicago found on momondo in the last 72 hours is C$ 527.

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).

Search flight deals

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 October 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 45.07% of the total bookings. Other popular models include Airbus A319 with 35.49%, Embraer 195 E2 with 8.45%, and Airbus A321-100/200 with 1.41%.
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 Porter Airlines, representing 38% of all bookings. The subsequent popular airlines are United Airlines at 29%, Air Canada at 24%, and American Airlines at 9%.

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$ 427	Free Cancellation	Rating 7.1 11,711 reviews		Search Air Canada flights
United Airlines	PriceFrom C$ 493	Free Cancellation	Rating 7.4 10,275 reviews		Search United Airlines flights

United Airlines Flights From Ottawa to Chicago
Across 26 United Airlines flights from Ottawa to Chicago this week, the average price was C$ 814, with the best United Airlines deals starting from C$ 493 round-trip. 10,275 users have rated United Airlines on momondo, with an average score of 7.4/10.
Air Canada Flights From Ottawa to Chicago
Across 11,711 Air Canada reviews on momondo, the average score is 7.1/10. Air Canada flies from Ottawa to Chicago about 21 times each week, with ticket deals ranging from C$ 427 to C$ 968. Price data is based on momondo searches in the last 72 hours.

Merrillville

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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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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$ 318

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 24/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Find the cheapest flights from Ottawa to Chicago

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Cheap last-minute flights

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Porter Airlines flights from Ottawa to Chicago

Our best Porter Airlines deals on Ottawa to Chicago flight tickets

United Airlines flights from Ottawa to Chicago

Our best United Airlines 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?

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.

Popular Cities in the United States

Popular flights according to clicks in the last 7 days on momondo

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According to popular flight searches on momondo this year

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