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Cheap flights from Canada to Chicago from C$ 140

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/5. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — CHI
9 Apr — 16 Apr1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Canada to Chicago

Enter your travel dates to find the best prices.

Cheapest flights from Canada to Chicago
Explore the most affordable flight options available from Canada to Chicago. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 10 March 2026.

Thu 30/46:50 a.m.
YUL
-
MDW
1 stop4h 25m
Porter Airlines
Mon 4/53:20 p.m.
MDW
-
YUL
1 stop5h 50m
Porter Airlines
Deal found 5/3C$ 224
Thu 30/412:00 p.m.
YYC
-
ORD
Nonstop3h 40m
WestJet
Thu 7/55:30 p.m.
ORD
-
YYC
Nonstop3h 55m
WestJet
Deal found 5/3C$ 229
Thu 30/412:00 p.m.
YYC
-
ORD
Nonstop3h 40m
WestJet
Mon 4/55:30 p.m.
ORD
-
YYC
Nonstop3h 55m
WestJet
Deal found 5/3C$ 238
Thu 9/49:15 a.m.
YUL
-
ORD
Nonstop2h 38m
Air Canada
Sun 12/412:50 p.m.
ORD
-
YUL
Nonstop2h 15m
Air Canada
Deal found 8/3C$ 238
Thu 11/67:30 a.m.
YUL
-
ORD
1 stop6h 40m
Air Canada
Sun 14/62:00 p.m.
ORD
-
YUL
1 stop6h 45m
Air Canada
Deal found 6/3C$ 243
Fri 1/510:35 a.m.
YUL
-
MDW
1 stop5h 00m
Porter Airlines
Sun 3/510:25 a.m.
MDW
-
YUL
1 stop5h 50m
Porter Airlines
Deal found 7/3C$ 246
Sun 19/49:50 a.m.
YUL
-
MDW
1 stop6h 30m
Porter Airlines
Thu 23/411:00 a.m.
MDW
-
YUL
1 stop5h 45m
Porter Airlines
Deal found 6/3C$ 247
Fri 8/56:30 a.m.
YUL
-
MDW
1 stop4h 10m
Porter Airlines
Sun 10/53:20 p.m.
MDW
-
YUL
1 stop5h 50m
Porter Airlines
Deal found 7/3C$ 250
Wed 15/46:50 a.m.
YUL
-
MDW
1 stop4h 25m
Porter Airlines
Tue 21/411:00 a.m.
MDW
-
YUL
1 stop4h 30m
Porter Airlines
Deal found 8/3C$ 251
Thu 7/56:30 a.m.
YUL
-
MDW
1 stop4h 10m
Porter Airlines
Mon 11/53:20 p.m.
MDW
-
YUL
1 stop3h 50m
Porter Airlines
Deal found 7/3C$ 254
Tue 2/66:30 a.m.
YUL
-
MDW
1 stop4h 10m
Porter Airlines
Fri 5/610:25 a.m.
MDW
-
YUL
1 stop5h 50m
Porter Airlines
Deal found 7/3C$ 255
Fri 19/61:45 p.m.
YTZ
-
MDW
Nonstop1h 50m
Air Transat
Mon 22/610:25 a.m.
MDW
-
YTZ
Nonstop1h 40m
Air Transat
Deal found 5/3C$ 258

Find flight deals from Canada to Chicago

Keep the following information in mind while searching for Canada to Chicago flight deals. Data was last updated 10 March 2026.

Round-trip from

C$ 216

One-way from

C$ 140

Popular in

December

Cheapest in

July

Average price

C$ 358

Good round-trip deal

C$ 255 or less

Good one-way deal

C$ 186 or less
Porter Airlines
  • Porter Airlines
  • 19/4-23/4
  • 2 total stops
  • 12h 15m total
  • Canada to Chicago
Search Deals
WestJet
  • WestJet
  • 7/5
  • Nonstop
  • 3h 40m total
  • Canada to Chicago
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (C$ 33 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 6 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals
Price to beat on a round-trip flight from Canada to Chicago (CHI).
Search Deals
Price to beat on a one-way flight from Canada to Chicago (CHI).
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Canada to Chicago that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 10 March 2026.
Use the filters below to find and compare flights from Canada to Chicago that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

TorontoChicago

YTZ - MDW

YTZMDW

Toronto Island

Thu 16/4

9:25 a.m.-10:15 a.m.

Nonstop1h 50m

Chicago Midway

Mon 20/4

11:00 a.m.-1:42 p.m.

Nonstop1h 42m

C$ 262

MontrealChicago

YUL - ORD

YULORD

Montreal Pierre Elliott Trudeau Intl

Wed 8/4

9:45 a.m.-11:37 a.m.

Nonstop2h 52m

Chicago O'Hare Intl

Tue 21/4

7:13 a.m.-10:40 a.m.

Nonstop2h 27m

C$ 272

MontrealChicago

YUL - ORD

YULORD

Montreal Pierre Elliott Trudeau Intl

Tue 14/4

5:00 p.m.-6:52 p.m.

Nonstop2h 52m

Chicago O'Hare Intl

Tue 21/4

7:13 a.m.-10:40 a.m.

Nonstop2h 27m

C$ 272

MontrealChicago

YUL - ORD

YULORD

Montreal Pierre Elliott Trudeau Intl

Tue 31/3

6:10 a.m.-8:00 a.m.

Nonstop2h 50m

Chicago O'Hare Intl

Sun 12/4

7:13 a.m.-10:40 a.m.

Nonstop2h 27m

C$ 272
Quickest round-trip

TorontoChicago

YTZ - MDW

YTZMDW

Toronto Island

Fri 24/4

2:30 p.m.-3:20 p.m.

Nonstop1h 50m

Chicago Midway

Fri 1/5

3:20 p.m.-6:00 p.m.

Nonstop1h 40m

C$ 273

MontrealChicago

YUL - ORD

YULORD

Montreal Pierre Elliott Trudeau Intl

Wed 8/4

9:45 a.m.-11:37 a.m.

Nonstop2h 52m

Chicago O'Hare Intl

Thu 23/4

6:00 a.m.-1:09 p.m.

1 stop6h 09m

C$ 285

TorontoChicago

YTZ - MDW

YTZMDW

Toronto Island

Mon 13/4

9:25 a.m.-10:15 a.m.

Nonstop1h 50m

Chicago Midway

Tue 14/4

11:00 a.m.-1:42 p.m.

Nonstop1h 42m

C$ 286

CalgaryChicago

YYC - ORD

YYCORD

Calgary

Thu 9/4

6:00 a.m.-10:54 p.m.

1 stop15h 54m

Chicago O'Hare Intl

Mon 13/4

11:03 p.m.-1:53 p.m.

1 stop15h 50m

C$ 295

CalgaryChicago

YYC - ORD

YYCORD

Calgary

Fri 17/4

1:27 p.m.-12:30 a.m.

1 stop10h 03m

Chicago O'Hare Intl

Mon 20/4

10:04 p.m.-1:53 p.m.

1 stop16h 49m

C$ 299

TorontoChicago

YTZ - MDW

YTZMDW

Toronto Island

Mon 8/6

1:45 p.m.-2:35 p.m.

Nonstop1h 50m

Chicago Midway

Wed 10/6

3:20 p.m.-6:00 p.m.

Nonstop1h 40m

C$ 303

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/3

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from Canada to Chicago

Have a flexible travel schedule? Discover the best time to fly to Chicago from Canada with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Canada to Chicago

What is the cheapest month to book a flight from Canada to Chicago?

Currently, June is the cheapest month in which you can book a flight from Canada to Chicago (average of C$ 113). Flying from Canada to Chicago in July is currently the most expensive (average of C$ 198). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from CA to CHI?

Find hourly flight availability from Canada to Chicago. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 10 March 2026.

It’s typically best to fly out from Canada to Chicago in the evening. Doing so could potentially save you 27% on the flight price compared to flying at noon, which is usually more expensive.

What is the cheapest day to fly from Canada to Chicago?

Use this chart to determine the cheapest time to fly round-trip from Canada to Chicago. Price data was last updated on 21 February 2026.

Travelers seeking maximum savings on their Canada to Chicago flight should consider departing on Friday mornings when fares are most often at their lowest. Saturday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Canada to Chicago

Explore weekly flight availability from Canada to Chicago. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 10 March 2026.

The most flights from CA0 to CHI are scheduled on a Monday (63 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (44 on average).

How often are flights from Canada to Chicago delayed?

About 13% of weekly flights between Canada and Chicago have experienced delays in the past year, with the average delay time being 138 minutes.

What is the most punctual flight time for Canada to Chicago flights?

Historically, flights departing at night are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Tuesday tends to have the lowest number of delays on this route, whereas Saturday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Canada to Chicago flights?

Over the past year, United Airlines has had the lowest number of delays on this route, with just 8% of flights being delayed.

Reviews of airlines servicing Chicago

Get insights into the airlines that provide service to Chicago. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Chicago. Reviews last updated 10 March 2026.
Check out reviews from past customers who have flown with Porter Airlines,United Airlines, andWestJet from Canada to Chicago to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Porter Airlines
8.0
Very good
423 reviews
Check prices

Overall

8.0

Crew

8.6

Comfort

8.0

Food

7.6

Entertainment

7.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.
Porter Airlines
8.0
Very good
423 reviews
Porter Airlines
8.0
Very good
423 reviews
Check prices

Overall

8.0

Crew

8.6

Comfort

8.0

Food

7.6

Entertainment

7.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.
United Airlines
7.4
Good
9,409 reviews
Porter Airlines
8.0
Very good
423 reviews
Check prices

Overall

8.0

Crew

8.6

Comfort

8.0

Food

7.6

Entertainment

7.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.
WestJet
7.2
Good
3,288 reviews
Porter Airlines
8.0
Very good
423 reviews
Check prices

Overall

8.0

Crew

8.6

Comfort

8.0

Food

7.6

Entertainment

7.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.
American Airlines
7.1
Good
11,414 reviews
Porter Airlines
8.0
Very good
423 reviews
Check prices

Overall

8.0

Crew

8.6

Comfort

8.0

Food

7.6

Entertainment

7.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.
Air Canada
7.1
Good
10,800 reviews
Porter Airlines
8.0
Very good
423 reviews
Check prices

Overall

8.0

Crew

8.6

Comfort

8.0

Food

7.6

Entertainment

7.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.

Related info for your journey

Find useful and relevant information for your journey from Canada to Chicago. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Canada to Chicago?

    A quick flight from Canada to Chicago can take about 1h 50m. Porter Airlines provides one of the quickest options available for as low as C$ 262. Canada and Chicago are separated by a distance of 711 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What are the cheapest airlines to fly from Canada to Chicago one-way?

    To fly one-way, consider booking your trip with WestJet, which is currently one of the cheapest options available, starting at C$ 115. Porter Airlines flights start at C$ 121 while deals on Air Canada start at C$ 146 one-way.

  • What are the most popular routes from Canada to Chicago?

    When deciding which route to take from Canada to Chicago consider Toronto Pearson Intl - Chicago O'Hare Intl, Vancouver Intl - Chicago O'Hare Intl or Montreal Pierre Elliott Trudeau Intl - Chicago O'Hare Intl as they are the most popular.

  • What are the most reliable airlines from Canada to Chicago?

    Before booking your flight to Chicago from Canada, check out the most reliable airlines to get you to your destination on time: Emirates (100%), Copa Airlines (87%), Royal Jordanian( 80%).

  • What are the cheapest flights from Canada to Chicago?

    Looking at all options, your cheapest flight can be booked for C$ 196. While the most popular route (Toronto Pearson Intl - Chicago O'Hare Intl) can be booked for C$ 280 on average, our data indicates C$ 1,541 when flying from Canada to Chicago.

  • Can I find deals for flights from Canada to Chicago that include hotel bookings?

    Yes. In addition to deals on Canada to Chicago flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Canada to Chicago?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Canada to Chicago.

  • Can I find deals for business class flights from Canada to Chicago?

    Yes. Cheapflights offers flight deals from Canada to Chicago by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Canada to Chicago?

    Currently, June is the cheapest month in which you can book a flight from Canada to Chicago (average of C$ 113). Flying from Canada to Chicago in July is currently the most expensive (average of C$ 198). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Top 7 airlines flying from Canada to Chicago

Discover the top 7 airlines that operate flights from Canada to Chicago. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 10 March 2026.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapestC$ 111AverageC$ 382FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
Air CanadaCheapestC$ 119AverageC$ 497FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
DeltaCheapestC$ 146AverageC$ 375FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
United AirlinesCheapestC$ 165AverageC$ 459FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
American AirlinesCheapestC$ 168AverageC$ 377FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
WestJetCheapestC$ 174AverageC$ 363FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Alaska AirlinesCheapestC$ 380AverageC$ 490FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Canada to Chicago?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Canada to Chicago. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Canada to Chicago?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Canada to Chicago for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Canada to Chicago with no change fees?

Certainly. Search results for flights to Chicago from Canada shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Canada to Chicago become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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