This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/11. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — CHI
4 Dec — 11 Dec1
Round-trip
1 adult
Economy
Round-trip
1 adult, Economy, 0 bags
Cheap flight deals from Canada to Chicago
Enter your travel dates to find the best prices.
Cheapest
Best
Direct
Last-minute
One-way
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 4 November 2026.
Sat 14/117:44 p.m. -
1 stop5h 17m
Sun 15/117:03 a.m. -
Nonstop1h 44m
Deal found 31/10C$ 333
Fri 13/117:26 p.m. -
Nonstop2h 22m
Sat 14/117:45 a.m. -
1 stop15h 07m
Deal found 30/10C$ 347
Tue 15/1212:55 p.m. -
1 stop6h 46m
Tue 15/129:21 p.m. -
Nonstop1h 38m
Deal found 3/11C$ 362
Thu 19/114:35 p.m. -
Nonstop2h 05m
Sun 22/116:20 p.m. -
Nonstop1h 45m
Deal found 1/11C$ 376
Fri 20/1110:29 a.m. -
Nonstop2h 05m
Sun 22/116:20 p.m. -
Nonstop1h 45m
Deal found 30/10C$ 378
Wed 16/126:55 p.m. -
Nonstop2h 03m
Wed 23/128:50 p.m. -
Nonstop1h 42m
Deal found 1/11C$ 386
Sat 14/114:35 p.m. -
Nonstop2h 05m
Mon 16/1112:15 p.m. -
Nonstop1h 45m
Deal found 31/10C$ 386
Sun 27/128:05 a.m. -
Nonstop2h 03m
Fri 1/18:55 p.m. -
Nonstop1h 42m
Deal found 1/11C$ 387
Fri 27/1110:29 a.m. -
Nonstop2h 05m
Mon 30/116:20 p.m. -
Nonstop1h 45m
Deal found 1/11C$ 387
Fri 13/114:35 p.m. -
Nonstop2h 05m
Sun 15/116:20 p.m. -
Nonstop1h 45m
Deal found 30/10C$ 389
Fri 13/112:35 p.m. -
Nonstop2h 03m
Sun 15/1110:15 a.m. -
Nonstop1h 37m
Deal found 30/10C$ 390
Sat 14/1110:29 a.m. -
Nonstop2h 05m
Sun 15/1112:15 p.m. -
Nonstop1h 45m
Deal found 31/10C$ 390
Best flights from Canada to Chicago
Discover carefully curated flight deals from Canada to Chicago that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 4 November 2026.
Thu 3/1210:29 a.m. -
Nonstop2h 05m
Sun 6/1212:15 p.m. -
Nonstop1h 45m
Deal found 30/10C$ 404
Fri 4/129:07 a.m. -
1 stop8h 42m
Mon 7/126:47 p.m. -
1 stop26h 50m
Deal found 31/10C$ 422
Thu 1/47:45 a.m. -
1 stop8h 04m
Tue 6/41:55 p.m. -
1 stop10h 18m
Deal found 1/11C$ 425
Sat 19/127:44 p.m. -
1 stop5h 17m
Sat 2/18:50 p.m. -
Nonstop1h 42m
Deal found 1/11C$ 454
Thu 10/121:37 p.m. -
Nonstop3h 33m
Sat 12/127:00 a.m. -
1 stop15h 53m
Deal found 1/11C$ 461
Thu 7/14:35 p.m. -
Nonstop1h 55m
Mon 11/112:20 p.m. -
Nonstop1h 40m
Deal found 30/10C$ 467
Tue 17/1110:45 a.m. -
1 stop5h 17m
Thu 19/111:55 p.m. -
Nonstop1h 47m
Deal found 30/10C$ 509
Thu 3/124:35 p.m. -
Nonstop2h 05m
Wed 9/126:20 p.m. -
Nonstop1h 45m
Deal found 3/11C$ 446
Wed 25/116:00 a.m. -
Nonstop3h 00m
Sun 29/111:55 p.m. -
1 stop6h 50m
Deal found 30/10C$ 456
Wed 18/1112:15 p.m. -
1 stop5h 03m
Sun 22/117:05 a.m. -
1 stop5h 25m
Deal found 1/11C$ 460
Mon 7/127:26 p.m. -
Nonstop2h 22m
Wed 9/123:47 p.m. -
Nonstop1h 58m
Deal found 3/11C$ 463
Thu 24/1210:29 a.m. -
Nonstop2h 05m
Sun 27/1212:15 p.m. -
Nonstop1h 45m
Deal found 30/10C$ 474
Fri 2/46:25 a.m. -
1 stop10h 32m
Tue 6/41:55 p.m. -
1 stop10h 18m
Deal found 1/11C$ 461
Thu 26/117:26 p.m. -
Nonstop2h 22m
Fri 4/128:45 a.m. -
Nonstop1h 42m
Deal found 2/11C$ 463
Sun 22/1110:29 a.m. -
Nonstop2h 05m
Thu 26/116:20 p.m. -
Nonstop1h 45m
Deal found 31/10C$ 466
Tue 17/115:55 p.m. -
Nonstop2h 10m
Wed 25/115:00 a.m. -
1 stop5h 48m
Deal found 1/11C$ 473
Sat 21/116:40 p.m. -
1 stop6h 21m
Sun 22/118:45 a.m. -
Nonstop1h 42m
Deal found 31/10C$ 463
Thu 26/1110:29 a.m. -
Nonstop2h 05m
Mon 30/116:20 p.m. -
Nonstop1h 45m
Deal found 1/11C$ 466
Thu 3/122:20 p.m. -
1 stop6h 05m
Mon 7/125:02 p.m. -
1 stop5h 31m
Deal found 1/11C$ 471
Sun 15/116:45 a.m. -
Nonstop2h 09m
Wed 18/117:03 a.m. -
Nonstop1h 44m
Deal found 1/11C$ 473
Tue 8/126:50 a.m. -
1 stop8h 12m
Wed 9/124:30 p.m. -
1 stop7h 58m
Deal found 30/10C$ 621
Fri 19/310:35 a.m. -
Nonstop1h 55m
Sun 21/312:20 p.m. -
Nonstop1h 40m
Deal found 30/10C$ 470
Fri 4/124:45 p.m. -
Nonstop3h 01m
Sun 6/1210:37 a.m. -
Nonstop2h 23m
Deal found 30/10C$ 474
Fri 27/1110:00 a.m. -
1 stop8h 00m
Mon 30/117:05 a.m. -
1 stop5h 41m
Deal found 3/11C$ 477
Fri 20/117:25 a.m. -
1 stop10h 40m
Sun 22/112:03 p.m. -
1 stop10h 14m
Deal found 3/11C$ 487
Wed 2/122:35 p.m. -
1 stop8h 24m
Sat 5/122:08 p.m. -
2 stops10h 36m
Deal found 3/11C$ 654
Mon 1/34:35 p.m. -
Nonstop1h 55m
Thu 4/312:20 p.m. -
Nonstop1h 40m
Deal found 30/10C$ 470
Thu 3/121:37 p.m. -
Nonstop3h 33m
Tue 8/128:40 a.m. -
Nonstop3h 55m
Deal found 2/11C$ 478
Sun 15/117:25 a.m. -
1 stop10h 40m
Tue 17/112:03 p.m. -
1 stop10h 14m
Deal found 30/10C$ 491
Wed 25/117:10 p.m. -
1 stop14h 13m
Wed 2/1210:05 a.m. -
1 stop8h 08m
Deal found 31/10C$ 660
Direct flights from Canada to Chicago
Explore direct flight options from Canada to Chicago based on user searches, and compare prices and availability for your desired travel dates. Data last updated 4 November 2026.
Thu 19/114:35 p.m. -
Nonstop2h 05m
Sun 22/116:20 p.m. -
Nonstop1h 45m
Deal found 1/11C$ 376
Fri 20/1110:29 a.m. -
Nonstop2h 05m
Sun 22/116:20 p.m. -
Nonstop1h 45m
Deal found 30/10C$ 378
Wed 16/126:55 p.m. -
Nonstop2h 03m
Wed 23/128:50 p.m. -
Nonstop1h 42m
Deal found 1/11C$ 386
Sat 14/114:35 p.m. -
Nonstop2h 05m
Mon 16/1112:15 p.m. -
Nonstop1h 45m
Deal found 31/10C$ 386
Sun 27/128:05 a.m. -
Nonstop2h 03m
Fri 1/18:55 p.m. -
Nonstop1h 42m
Deal found 1/11C$ 387
Fri 27/1110:29 a.m. -
Nonstop2h 05m
Mon 30/116:20 p.m. -
Nonstop1h 45m
Deal found 1/11C$ 387
Fri 13/112:35 p.m. -
Nonstop2h 03m
Sun 15/1110:15 a.m. -
Nonstop1h 37m
Deal found 30/10C$ 390
Sat 14/1110:29 a.m. -
Nonstop2h 05m
Sun 15/1112:15 p.m. -
Nonstop1h 45m
Deal found 31/10C$ 390
Tue 17/1110:29 a.m. -
Nonstop2h 05m
Wed 25/1112:15 p.m. -
Nonstop1h 45m
Deal found 1/11C$ 394
Fri 20/114:35 p.m. -
Nonstop2h 05m
Sat 21/116:20 p.m. -
Nonstop1h 45m
Deal found 31/10C$ 397
Sun 20/128:05 a.m. -
Nonstop2h 03m
Thu 24/1210:05 a.m. -
Nonstop1h 37m
Deal found 30/10C$ 411
Sat 14/116:55 p.m. -
Nonstop2h 03m
Sun 15/118:45 a.m. -
Nonstop1h 42m
Deal found 31/10C$ 414
Last-minute flights from Canada to Chicago
Discover last-minute flight deals from Canada to Chicago. Data last updated 4 November 2026 and is based on user searches.
Fri 13/117:26 p.m. -
Nonstop2h 22m
Sat 14/117:45 a.m. -
1 stop15h 07m
Deal found 30/10C$ 347
Fri 13/114:35 p.m. -
Nonstop2h 05m
Sun 15/116:20 p.m. -
Nonstop1h 45m
Deal found 30/10C$ 389
Fri 13/112:35 p.m. -
Nonstop2h 03m
Sun 15/1110:15 a.m. -
Nonstop1h 37m
Deal found 30/10C$ 390
Fri 13/1112:05 p.m. -
Nonstop2h 15m
Sun 15/111:55 p.m. -
Nonstop1h 47m
Deal found 30/10C$ 403
Sat 14/117:44 p.m. -
1 stop5h 17m
Sun 15/117:03 a.m. -
Nonstop1h 44m
Deal found 31/10C$ 333
Sat 14/114:35 p.m. -
Nonstop2h 05m
Mon 16/1112:15 p.m. -
Nonstop1h 45m
Deal found 31/10C$ 386
Sat 14/1110:29 a.m. -
Nonstop2h 05m
Sun 15/1112:15 p.m. -
Nonstop1h 45m
Deal found 31/10C$ 390
Sat 14/114:35 p.m. -
Nonstop2h 05m
Tue 17/1112:15 p.m. -
Nonstop1h 45m
Deal found 31/10C$ 397
Fri 11/128:40 p.m. -
1 stop12h 05m
Sat 12/1211:05 a.m. -
Nonstop1h 58m
Deal found 1/11C$ 397
Tue 15/1212:55 p.m. -
1 stop6h 46m
Tue 15/129:21 p.m. -
Nonstop1h 38m
Deal found 3/11C$ 362
Wed 16/126:55 p.m. -
Nonstop2h 03m
Wed 23/128:50 p.m. -
Nonstop1h 42m
Deal found 1/11C$ 386
Sun 27/128:05 a.m. -
Nonstop2h 03m
Fri 1/18:55 p.m. -
Nonstop1h 42m
Deal found 1/11C$ 387
One-way flights from Canada to Chicago
Search for one-way flight options from Canada to Chicago. Find affordable one-way fares based on user searches. Data last updated 4 November 2026.
Mon 9/117:09 a.m. -
Nonstop2h 30m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 3/11C$ 217
Wed 20/14:20 p.m. -
1 stop24h 54m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 4/11C$ 221
Sun 22/1112:05 p.m. -
Nonstop2h 15m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 2/11C$ 221
Sun 22/1112:00 p.m. -
Nonstop2h 13m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 1/11C$ 222
Fri 13/116:55 p.m. -
Nonstop2h 03m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 30/10C$ 227
Sun 6/123:00 p.m. -
2 stops18h 24m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 30/10C$ 228
Mon 11/14:20 p.m. -
1 stop24h 54m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 3/11C$ 229
Wed 7/49:45 a.m. -
1 stop6h 03m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 31/10C$ 231
Sun 10/110:35 a.m. -
Nonstop1h 55m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 31/10C$ 232
Wed 6/14:20 p.m. -
1 stop23h 43m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 30/10C$ 236
Sun 15/1110:29 a.m. -
Nonstop2h 05m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 1/11C$ 236
Sun 22/1110:29 a.m. -
Nonstop2h 05m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 1/11C$ 238
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 4 November 2026.
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 7,457,451 searches. Data last updated 4 November 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 Toronto Island - ORD Chicago O'Hare Intl
YTZORD
Toronto Island
Sun 22/11
10:29 a.m.-11:34 a.m.
Nonstop2h 05m
Chicago O'Hare Intl
Wed 31/12
12:00 a.m.-1:00 a.m.
Nonstop0h 00m
C$ 238
TorontoChicago
YTZ Toronto Island - ORD Chicago O'Hare Intl
YTZORD
Toronto Island
Fri 4/12
10:29 a.m.-11:34 a.m.
Nonstop2h 05m
Chicago O'Hare Intl
Wed 31/12
12:00 a.m.-1:00 a.m.
Nonstop0h 00m
C$ 246
TorontoChicago
YTZ Toronto Island - ORD Chicago O'Hare Intl
YTZORD
Toronto Island
Tue 1/12
10:45 a.m.-3:02 p.m.
1 stop5h 17m
Chicago O'Hare Intl
Wed 31/12
12:00 a.m.-1:00 a.m.
Nonstop0h 00m
C$ 249
Quickest round-trip
TorontoChicago
YTZ Toronto Island - ORD Chicago O'Hare Intl
YTZORD
Toronto Island
Sun 17/1
4:35 p.m.-5:30 p.m.
Nonstop1h 55m
Chicago O'Hare Intl
Wed 31/12
12:00 a.m.-1:00 a.m.
Nonstop0h 00m
C$ 249
CalgaryChicago
YYC Calgary - ORD Chicago O'Hare Intl
YYCORD
Calgary
Fri 15/1
7:15 a.m.-6:09 p.m.
1 stop10h 54m
Chicago O'Hare Intl
Wed 31/12
12:00 a.m.-11:00 p.m.
Nonstop0h 00m
C$ 252
CalgaryChicago
YYC Calgary - ORD Chicago O'Hare Intl
YYCORD
Calgary
Thu 10/12
7:25 a.m.-6:06 p.m.
1 stop10h 41m
Chicago O'Hare Intl
Wed 31/12
12:00 a.m.-11:00 p.m.
Nonstop0h 00m
C$ 252
CalgaryChicago
YYC Calgary - ORD Chicago O'Hare Intl
YYCORD
Calgary
Mon 30/11
7:25 a.m.-6:05 p.m.
1 stop10h 40m
Chicago O'Hare Intl
Wed 31/12
12:00 a.m.-11:00 p.m.
Nonstop0h 00m
C$ 253
CalgaryChicago
YYC Calgary - ORD Chicago O'Hare Intl
YYCORD
Calgary
Tue 9/3
6:25 a.m.-5:57 p.m.
1 stop11h 32m
Chicago O'Hare Intl
Wed 31/12
12:00 a.m.-11:00 p.m.
Nonstop0h 00m
C$ 253
EdmontonChicago
YEG Edmonton - ORD Chicago O'Hare Intl
YEGORD
Edmonton
Sun 6/12
7:00 a.m.-10:24 a.m.
1 stop27h 24m
Chicago O'Hare Intl
Wed 31/12
12:00 a.m.-11:00 p.m.
Nonstop0h 00m
C$ 256
TorontoChicago
YTZ Toronto Island - ORD Chicago O'Hare Intl
YTZORD
Toronto Island
Mon 11/1
4:35 p.m.-5:30 p.m.
Nonstop1h 55m
Chicago O'Hare Intl
Wed 31/12
12:00 a.m.-1:00 a.m.
Nonstop0h 00m
C$ 257
Flights are sorted by cheapest round-trip flights first.
Deals found on 1/11
Showing 1-10 of 60 resultsSorted by cheapest first
1
2
3
...
6
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.
YYZ-ORD
YTZ-ORD
YYC-ORD
YEG-ORD
YVR-ORD
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
CA0-CHI
YYZ-ORD
YTZ-ORD
YYC-ORD
YEG-ORD
What is the cheapest month to book a flight from Canada to Chicago?
Currently, February is the cheapest month in which you can book a flight from Canada to Chicago (average of C$ 407). Flying from Canada to Chicago in November is currently the most expensive (average of C$ 530). 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 4 November 2026.
It’s typically best to fly out from Canada to Chicago in the evening. Doing so could potentially save you 24% on the flight price compared to flying at noon, which is usually more expensive.
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 4 November 2026.
The most flights from CA0 to CHI are scheduled on a Monday (62 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (48 on average).
How often are flights from Canada to Chicago delayed?
About 14% of weekly flights between Canada and Chicago have experienced delays in the past year, with the average delay time being 134 minutes.
What is the most punctual flight time for Canada to Chicago flights?
Historically, flights departing in the morning 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?
Thursday 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 9% of flights being delayed.
How far ahead should I book a flight from Canada to Chicago?
The price you pay for your flight from Canada to Chicago may vary depending on when you book. For the best chance of a lower fare, look to book 87 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
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 15 August 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. Sunday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
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 4 November 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.
The flight including check-in, checked baggage, boarding, flight and timing were great. My checked bag was delayed two days which was concerning. They did deliver it to my door though which was great.
The flight including check-in, checked baggage, boarding, flight and timing were great. My checked bag was delayed two days which was concerning. They did deliver it to my door though which was great.
The flight including check-in, checked baggage, boarding, flight and timing were great. My checked bag was delayed two days which was concerning. They did deliver it to my door though which was great.
The flight including check-in, checked baggage, boarding, flight and timing were great. My checked bag was delayed two days which was concerning. They did deliver it to my door though which was great.
The flight including check-in, checked baggage, boarding, flight and timing were great. My checked bag was delayed two days which was concerning. They did deliver it to my door though which was great.
The flight including check-in, checked baggage, boarding, flight and timing were great. My checked bag was delayed two days which was concerning. They did deliver it to my door though which was great.
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 2h 05m. Porter Airlines provides one of the quickest options available for as low as C$ 404. Canada and Chicago are separated by a distance of 716 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$ 145. Air Canada flights start at C$ 152 while deals on Porter Airlines start at C$ 152 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, Montreal Pierre Elliott Trudeau Intl - Chicago O'Hare Intl or Toronto Island - 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: Sun Country Air (100%), Royal Jordanian (91%), Copa Airlines( 88%).
What are the cheapest flights from Canada to Chicago?
Looking at all options, your cheapest flight can be booked for C$ 279. While the most popular route (Toronto Pearson Intl - Chicago O'Hare Intl) can be booked for C$ 431 on average, our data indicates C$ 1,382 when flying 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, February is the cheapest month in which you can book a flight from Canada to Chicago (average of C$ 407). Flying from Canada to Chicago in November is currently the most expensive (average of C$ 530). 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.
Explore flights to Chicago departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 4 November 2026.
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 7,457,451 searches. Data last updated 4 November 2026.
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!
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
We value your privacy
Cheapflights and its partners wish to use cookies or similar technologies to store and/or access information on and about your device and process personal data such as your IP address, device identifiers etc., in order to improve your experience on the site, to analyze navigation, to offer and measure personalized advertising, and to facilitate sharing on social networks. We also allow the use of third-party cookies (including those from our advertising partners) on our sites.
By clicking 'Accept', you consent to your data being processed by 0 vendors on this web site for the purposes described in this notice. You can review the vendors and their individual processing purposes on the .
To review individual processing purposes and cookie categories, please click ’Select individual purposes’. You can review and update your choices anytime by clicking the ’Privacy Preferences’ link in the page side navigation.