Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Ottawa to Chicago O'Hare Intl Airport from C$ 249

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 O'Hare Intl Airport departing on 31/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult

Deals available from 900+ travel sites.

"This year, momondo is the #1 place for airfares on the internet."
Save money when you book flights with momondo
Big names, great deals
Big names, great deals
Search 100s of travel sites to compare prices.
Filter for what you want
Filter for what you want
Free Wi-Fi? Early arrival? Instantly customize your results
Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.
Price Alerts
Price Alerts
Not ready to book? to track prices.

Find the cheapest flights from Ottawa to Chicago

Cheap round-trip flights

These are some of the best round-trip flight deals from Ottawa to Chicago that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from Ottawa to Chicago.

Cheap last-minute flights

Planning a quick getaway from Ottawa to Chicago? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Chicago, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from Ottawa to Chicago

Find recent round-trip train or bus tickets from Ottawa to Chicago.

All round-trip flight deals to Chicago

The cheapest plane tickets to Chicago found on KAYAK recently.
6:20 a.m. - 8:13 p.m.YOW-ORD
14h 53m2 stops
5:11 a.m. - 5:55 p.m.ORD-YOW
11h 44m1 stop
C$ 423
Find Deal
Wed, 15 Jan - Wed, 22 Jan
9:20 a.m. - 8:13 p.m.YOW-ORD
11h 53m1 stop
5:35 a.m. - 2:57 p.m.ORD-YOW
8h 22m1 stop
C$ 440
Find Deal
Tue, 14 Jan - Tue, 21 Jan
6:20 a.m. - 8:00 a.m.YOW-ORD
2h 40mdirect
6:08 p.m. - 9:24 p.m.ORD-YOW
2h 16mdirect
C$ 586United Airlines
Find Deal
Thu, 30 Jan - Tue, 4 Feb
5:25 p.m. - 6:54 p.m.YOW-ORD
2h 29mdirect
2:25 p.m. - 10:05 p.m.ORD-YOW
6h 40m1 stop
C$ 603United Airlines
Find Deal
Wed, 9 Apr - Sat, 12 Apr
11:00 a.m. - 2:45 p.m.YOW-ORD
4h 45m1 stop
11:35 a.m. - 4:58 p.m.ORD-YOW
4h 23m1 stop
C$ 607Air Canada
Find Deal
Sat, 1 Feb - Sat, 8 Feb
5:15 a.m. - 10:01 a.m.YOW-ORD
5h 46m1 stop
3:40 p.m. - 10:07 p.m.ORD-YOW
5h 27m1 stop
C$ 610Air Canada
Find Deal
Sun, 27 Apr - Sat, 3 May
5:55 a.m. - 4:13 p.m.YOW-ORD
11h 18m2 stops
1:40 p.m. - 12:10 a.m.ORD-YOW
9h 30m2 stops
C$ 793WestJet
Find Deal
Fri, 10 Jan - Mon, 13 Jan
5:15 p.m. - 12:39 p.m.YOW-ORD
20h 24m1 stop
5:30 p.m. - 4:20 p.m.ORD-YOW
21h 50m2 stops
C$ 830WestJet
Find Deal
Fri, 6 Jun - Mon, 9 Jun
5:55 a.m. - 4:33 p.m.YOW-ORD
11h 38m2 stops
10:30 a.m. - 12:09 a.m.ORD-YOW
12h 39m2 stops
C$ 1,168Delta
Find Deal
Wed, 9 Apr - Fri, 11 Apr
5:55 a.m. - 4:36 p.m.YOW-ORD
11h 41m2 stops
1:16 p.m. - 12:22 a.m.ORD-YOW
10h 06m2 stops
C$ 1,170Delta
Find Deal
Wed, 14 May - Sat, 17 May
6:20 a.m. - 8:45 p.m.YOW-ORD
15h 25m2 stops
C$ 249
Find Deal
Fri, 31 Jan
5:55 a.m. - 12:57 p.m.YOW-ORD
32h 02m2 stops
C$ 266
Find Deal
Fri, 17 Jan
5:20 p.m. - 9:34 a.m.YOW-ORD
17h 14m1 stop
C$ 273
Find Deal
Fri, 10 Jan
5:25 p.m. - 6:54 p.m.YOW-ORD
2h 29mdirect
C$ 329Air Canada
Find Deal
Wed, 7 May
11:05 a.m. - 2:55 p.m.YOW-ORD
4h 50m1 stop
C$ 336Air Canada
Find Deal
Wed, 7 May
11:00 a.m. - 2:45 p.m.YOW-ORD
4h 45m1 stop
C$ 337Air Canada
Find Deal
Sat, 8 Mar
9:20 a.m. - 12:55 p.m.YOW-ORD
4h 35m1 stop
C$ 344Air Canada
Find Deal
Tue, 3 Jun
6:30 a.m. - 2:52 p.m.YOW-ORD
9h 22m2 stops
C$ 350United Airlines
Find Deal
Wed, 7 May
6:30 a.m. - 2:52 p.m.YOW-ORD
9h 22m2 stops
C$ 351United Airlines
Find Deal
Wed, 7 May
6:00 a.m. - 2:42 p.m.YOW-ORD
9h 42m2 stops
C$ 520United Airlines
Find Deal
Sat, 8 Mar
9:20 a.m. - 8:50 p.m.YOW-ORD
12h 30m2 stops
9:15 p.m. - 2:20 p.m.ORD-YOW
16h 05m1 stop
C$ 988
Find Deal
Thu, 19 Dec - Tue, 31 Dec
9:20 a.m. - 6:24 p.m.YOW-ORD
10h 04m1 stop
9:15 p.m. - 2:20 p.m.ORD-YOW
16h 05m1 stop
C$ 1,110
Find Deal
Thu, 19 Dec - Tue, 31 Dec
9:20 a.m. - 8:50 p.m.YOW-ORD
12h 30m2 stops
6:05 a.m. - 3:16 p.m.ORD-YOW
8h 11m1 stop
C$ 1,121
Find Deal
Thu, 19 Dec - Mon, 30 Dec
4:15 p.m. - 12:55 p.m.YOW-ORD
21h 40m3 stops
9:15 p.m. - 2:20 p.m.ORD-YOW
16h 05m1 stop
C$ 1,191
Find Deal
Thu, 19 Dec - Tue, 31 Dec
6:25 a.m. - 7:51 p.m.YOW-ORD
14h 26m2 stops
7:53 p.m. - 2:20 p.m.ORD-YOW
17h 27m1 stop
C$ 1,207
Find Deal
Thu, 19 Dec - Sun, 29 Dec
4:15 p.m. - 12:55 p.m.YOW-ORD
21h 40m3 stops
9:35 p.m. - 4:45 p.m.ORD-YOW
18h 10m2 stops
C$ 1,221
Find Deal
Thu, 19 Dec - Tue, 31 Dec
6:20 a.m. - 8:03 a.m.YOW-ORD
2h 43mdirect
6:28 p.m. - 1:37 a.m.ORD-YOW
6h 09m1 stop
C$ 1,260Air Canada
Find Deal
Thu, 19 Dec - Tue, 31 Dec
6:20 a.m. - 8:03 a.m.YOW-ORD
2h 43mdirect
6:28 p.m. - 1:37 a.m.ORD-YOW
6h 09m1 stop
C$ 1,303Air Canada
Find Deal
Thu, 19 Dec - Mon, 30 Dec
6:20 a.m. - 8:03 a.m.YOW-ORD
2h 43mdirect
1:55 p.m. - 5:06 p.m.ORD-YOW
2h 11mdirect
C$ 1,325United Airlines
Find Deal
Thu, 19 Dec - Sun, 29 Dec
5:00 p.m. - 6:38 p.m.YOW-ORD
2h 38mdirect
8:25 p.m. - 1:37 a.m.ORD-YOW
4h 12m1 stop
C$ 1,347Air Canada
Find Deal
Thu, 19 Dec - Sun, 29 Dec
6:20 a.m. - 8:00 a.m.YOW-ORD
2h 40mdirect
6:08 p.m. - 9:24 p.m.ORD-YOW
2h 16mdirect
C$ 586United Airlines
Find Deal
Thu, 30 Jan - Tue, 4 Feb
5:25 p.m. - 6:54 p.m.YOW-ORD
2h 29mdirect
6:19 p.m. - 9:35 p.m.ORD-YOW
2h 16mdirect
C$ 601United Airlines
Find Deal
Wed, 9 Apr - Sat, 12 Apr
5:25 p.m. - 6:54 p.m.YOW-ORD
2h 29mdirect
6:19 p.m. - 9:35 p.m.ORD-YOW
2h 16mdirect
C$ 603United Airlines
Find Deal
Wed, 9 Apr - Sat, 12 Apr
5:00 p.m. - 6:38 p.m.YOW-ORD
2h 38mdirect
1:55 p.m. - 5:06 p.m.ORD-YOW
2h 11mdirect
C$ 604United Airlines
Find Deal
Sat, 1 Feb - Sat, 8 Feb
6:20 a.m. - 8:00 a.m.YOW-ORD
2h 40mdirect
1:55 p.m. - 5:06 p.m.ORD-YOW
2h 11mdirect
C$ 631United Airlines
Find Deal
Wed, 15 Jan - Wed, 22 Jan
5:00 p.m. - 6:38 p.m.YOW-ORD
2h 38mdirect
1:55 p.m. - 5:06 p.m.ORD-YOW
2h 11mdirect
C$ 643Air Canada
Find Deal
Tue, 14 Jan - Tue, 21 Jan
5:00 p.m. - 6:38 p.m.YOW-ORD
2h 38mdirect
1:55 p.m. - 5:06 p.m.ORD-YOW
2h 11mdirect
C$ 646Air Canada
Find Deal
Tue, 14 Jan - Tue, 21 Jan
5:25 p.m. - 6:54 p.m.YOW-ORD
2h 29mdirect
1:55 p.m. - 5:09 p.m.ORD-YOW
2h 14mdirect
C$ 687Air Canada
Find Deal
Fri, 4 Apr - Mon, 7 Apr
6:40 p.m. - 7:48 p.m.YOW-ORD
2h 08mdirect
7:15 a.m. - 10:07 a.m.ORD-YOW
1h 52mdirect
C$ 724
Find Deal
Fri, 6 Jun - Mon, 9 Jun
5:00 p.m. - 6:38 p.m.YOW-ORD
2h 38mdirect
6:06 p.m. - 9:24 p.m.ORD-YOW
2h 18mdirect
C$ 857Air Canada
Find Deal
Tue, 31 Dec - Fri, 3 Jan

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

Our best Air Canada deals on Ottawa to Chicago O'Hare Intl Airport flight tickets
Air Canada
1 Feb
YOW11:00 a.m.Ottawa
4h 45m
1 stop
ORD2:45 p.m.Chicago O'Hare Intl
8 Feb
ORD11:35 a.m.Chicago O'Hare Intl
4h 23m
1 stop
YOW4:58 p.m.Ottawa
Air Canada
27 Apr
YOW5:15 a.m.Ottawa
5h 46m
1 stop
ORD10:01 a.m.Chicago O'Hare Intl
3 May
ORD3:40 p.m.Chicago O'Hare Intl
5h 27m
1 stop
YOW10:07 p.m.Ottawa
Air Canada
4 May
YOW6:30 a.m.Ottawa
5h 24m
1 stop
ORD10:54 a.m.Chicago O'Hare Intl
10 May
ORD3:40 p.m.Chicago O'Hare Intl
5h 27m
1 stop
YOW10:07 p.m.Ottawa

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

Our best United Airlines deals on Ottawa to Chicago O'Hare Intl Airport flight tickets
United Airlines
30 Jan
YOW6:20 a.m.Ottawa
2h 40m
ORD8:00 a.m.Chicago O'Hare Intl
4 Feb
ORD6:08 p.m.Chicago O'Hare Intl
2h 16m
YOW9:24 p.m.Ottawa
United Airlines
9 Apr
YOW5:25 p.m.Ottawa
2h 29m
ORD6:54 p.m.Chicago O'Hare Intl
12 Apr
ORD2:25 p.m.Chicago O'Hare Intl
6h 40m
1 stop
YOW10:05 p.m.Ottawa
United Airlines
1 Feb
YOW5:00 p.m.Ottawa
2h 38m
ORD6:38 p.m.Chicago O'Hare Intl
8 Feb
ORD1:55 p.m.Chicago O'Hare Intl
2h 11m
YOW5:06 p.m.Ottawa

See travel insights to Chicago from

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

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

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

In general, January 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$ 630. The month of December is another great option to travel to Chicago O'Hare Intl Airport, with average flight prices from Ottawa averaging around C$ 667.

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 Sunday when prices can be found for as low as C$ 685. This is often the case because there is less demand to fly during this day of the week. When flying out on a Saturday, 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$ 912.

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

At noon 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$ 0. Flying to Chicago O'Hare Intl Airport at noon 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$ 761 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

How far in advance should I book a flight to Chicago O'Hare Intl Airport?

The best time to book a flight to Chicago O'Hare Intl Airport from Ottawa is 52 days out, which is when prices tend to be around C$ 763. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Chicago O'Hare Intl Airport from Ottawa for as low as C$ 594 on momondo.

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

There are 4 cabin classes available to choose from on Ottawa to Chicago O'Hare Intl 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 24% 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$ 249

Fastest flight time

2h 08m

Direct flights

Every day
The best one-way flight to Chicago O'Hare Intl Airport from Ottawa in the past 72 hours is C$ 249. The best round-trip flight deal from Ottawa to Chicago O'Hare Intl Airport found on momondo in the last 72 hours is C$ 423.
The fastest flight from Ottawa to Chicago O'Hare Intl Airport takes 2h 08m
Direct flights go from Ottawa to Chicago O'Hare Intl Airport every day.

  • 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 08m.

  • 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?

  • 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?

  • What is the most popular airline from Ottawa to Chicago O'Hare Intl Airport?


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 CanadaPriceFrom C$ 583Free CancellationRating
7.0
8,382 reviews
Search Air Canada flights
United AirlinesPriceFrom C$ 630Free CancellationRating
7.4
9,055 reviews
Search United Airlines flights
  • United Airlines Flights From Ottawa to Chicago O'Hare Intl Airport

    United Airlines operates around 9 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$ 594, but momondo users have found United Airlines deals from Ottawa to Chicago O'Hare Intl Airport from as low as C$ 441 round-trip. United Airlines has been scored 7.4/10 in 9,059 reviews.

  • Air Canada Flights From Ottawa to Chicago O'Hare Intl Airport

    Air Canada (7.0/10 from 8,382 reviews) operates around 9 flights from Ottawa to Chicago O'Hare Intl Airport in any given week. The average Air Canada airfare for this route is around C$ 527, with deals from around C$ 408 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.


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?

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.

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

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.


An easier way to manage your Chicago O'Hare Intl Airport 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.
1 adult
From?
To?
Mon 23/12
Mon 30/12
Email me momondo's favourite deals

Find better results for your trip to Chicago