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$70+ Cheap flights from Illinois to Canada

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 10/4. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — YYZ
Aug 26 — Sep 21
Tue 8/26
Tue 9/2
1 adult, Economy
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Cheap flight deals from Illinois to Canada

Keep the following information in mind while searching for Illinois to Canada flight deals. Data was last updated August 21, 2025.

Round-trip from

$145
(Kiwi.com)

One-way from

$70
(Mytrip)

Popular in

November

Cheapest in

July

Average price

$274

Good round-trip deal

$150 or less

Good one-way deal

$91 or less
From Illinois to Canada
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One-way flight from Illinois to Canada
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Highest demand for flights based on searches. 8% potential increase in price ($24 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Price to beat on a round-trip flight from Illinois to Canada.
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Price to beat on a one-way flight from Illinois to Canada.
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Find flight deals from Illinois to Canada

Cheapest flights from Illinois to Canada
Explore the most affordable flight options available from Illinois to Canada. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 21, 2025.

This Kiwi.com deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/235:30 pmORD - YYC
Nonstop3h 49mWestJet
Sun 10/269:00 amYYC - ORD
Nonstop3h 35mWestJet
Deal found 8/21$145
This Kiwi.com deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/72:20 pmORD - YYC
Nonstop3h 55mWestJet
Mon 11/109:00 amYYC - ORD
Nonstop3h 35mWestJet
Deal found 8/18$158
This Kiwi.com deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/185:30 pmORD - YYC
Nonstop3h 49mWestJet
Sat 10/2512:15 pmYYC - ORD
Nonstop3h 28mWestJet
Deal found 8/19$162
This Kiwi.com deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/181:40 pmORD - YYC
1 stop6h 00mWestJet
Sun 10/269:00 amYYC - ORD
Nonstop3h 35mWestJet
Deal found 8/19$163
This Trip.com deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/105:30 pmORD - YYC
Nonstop3h 49mWestJet
Fri 10/1712:15 pmYYC - ORD
Nonstop3h 28mWestJet
Deal found 8/19$164
This CheapOair deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/235:30 pmORD - YYC
Nonstop3h 49mWestJet
Tue 9/3012:15 pmYYC - ORD
Nonstop3h 28mWestJet
Deal found 8/21$166
This United Airlines deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/79:20 pmORD - YYZ
Nonstop1h 39mUnited Airlines
Sun 11/99:00 pmYYZ - ORD
Nonstop2h 05mUnited Airlines
Deal found 8/21$167
This FlightHub deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/265:30 pmORD - YYC
Nonstop3h 49mWestJet
Tue 9/3012:15 pmYYC - ORD
Nonstop3h 28mWestJet
Deal found 8/19$168
This Gotogate deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/243:50 pmORD - YYZ
Nonstop1h 43mAir Canada
Mon 10/272:15 pmYYZ - ORD
Nonstop1h 55mAir Canada
Deal found 8/19$168
This Flightnetwork deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/29:55 amORD - YYZ
Nonstop1h 43mAir Canada
Sun 10/58:20 amYYZ - ORD
Nonstop1h 54mAir Canada
Deal found 8/19$169
This Mytrip deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/155:30 pmORD - YYC
Nonstop3h 49mMultiple Airlines
Mon 9/221:10 amYYC - ORD
1 stop7h 41mMultiple Airlines
Deal found 8/19$170
This Kiwi.com deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/25:30 pmORD - YYC
Nonstop3h 49mWestJet
Sun 10/1212:15 pmYYC - ORD
Nonstop3h 28mWestJet
Deal found 8/19$174

Cheapflights Fare Finder

 
Customize your flight search to find flights from Illinois to Canada 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 2,558,603 searches. Data last updated August 21, 2025.
Use the filters below to find and compare flights from Illinois to Canada that are best for you.

Fly from

Illinois

Fly to

Canada

Route

Depart

Return

Price

ChicagoCalgary

ORD - YYC

ORDYYC

Chicago O'Hare Intl

Thu 9/25

5:30 pm-8:19 pm

Nonstop3h 49m

Calgary

Tue 9/30

12:15 pm-4:43 pm

Nonstop3h 28m

$163

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Sat 11/15

9:20 pm-11:59 pm

Nonstop1h 39m

Toronto Pearson Intl

Mon 11/17

5:30 pm-6:39 pm

Nonstop2h 09m

$167

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Sat 11/15

3:55 pm-6:34 pm

Nonstop1h 39m

Toronto Pearson Intl

Sun 11/16

4:30 pm-5:28 pm

Nonstop1h 58m

$167

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Fri 11/7

9:20 pm-11:59 pm

Nonstop1h 39m

Toronto Pearson Intl

Sun 11/9

9:00 pm-10:05 pm

Nonstop2h 05m

$167

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Sun 11/2

1:19 pm-4:02 pm

Nonstop1h 43m

Toronto Pearson Intl

Thu 11/20

7:40 pm-11:43 pm

1 stop5h 03m

$167

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Thu 10/2

8:25 pm-11:08 pm

Nonstop1h 43m

Toronto Pearson Intl

Sun 10/5

8:20 am-9:14 am

Nonstop1h 54m

$171

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Sun 10/5

9:55 am-12:38 pm

Nonstop1h 43m

Toronto Pearson Intl

Sun 10/12

8:20 am-9:14 am

Nonstop1h 54m

$172

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Sat 10/4

9:55 am-12:38 pm

Nonstop1h 43m

Toronto Pearson Intl

Sat 10/11

2:10 pm-3:04 pm

Nonstop1h 54m

$172

ChicagoCalgary

ORD - YYC

ORDYYC

Chicago O'Hare Intl

Wed 11/5

8:45 am-11:35 am

Nonstop3h 50m

Calgary

Tue 11/11

12:37 pm-5:10 pm

Nonstop3h 33m

$174

ChicagoCalgary

ORD - YYC

ORDYYC

Chicago O'Hare Intl

Thu 11/6

8:45 am-11:35 am

Nonstop3h 50m

Calgary

Tue 11/11

12:37 pm-5:10 pm

Nonstop3h 33m

$174

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/20

Showing 1-10 of 60 results
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Best time to book a flight from Illinois to Canada

Have a flexible travel schedule? Discover the best time to fly to Canada from Illinois 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 Illinois to Canada

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

Currently, January is the cheapest month in which you can book a flight from Illinois to Canada (average of $243). Flying from Illinois to Canada in August is currently the most expensive (average of $348). 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 IL to CA?

Find hourly flight availability from Illinois to Canada. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 21, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Illinois to Canada as you normally would.

Weekly flight availability from Illinois to Canada

Explore weekly flight availability from Illinois to Canada. 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 August 21, 2025.

The most flights from USIL to CA0 are scheduled on a Wednesday (62 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (49 on average).

Related info for your journey

Find useful and relevant information for your journey from Illinois to Canada. 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 Illinois to Canada?

    For as low as $167, WestJet can have you in Canada from Illinois in 1h 39m. The distance between Illinois and Canada is about 436 mi. Generally, flights for this route are nonstop.

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

    To fly one-way, consider booking your trip with Air Canada, which is currently one of the cheapest options available, starting at $70. Porter Airlines flights start at $72 while deals on United Airlines start at $75 one-way.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Illinois to Canada 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 Illinois to Canada?

    Currently, January is the cheapest month in which you can book a flight from Illinois to Canada (average of $243). Flying from Illinois to Canada in August is currently the most expensive (average of $348). 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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Alternative routes for Illinois to Canada

See prices for flight routes from nearby airports that may be better suited for you.
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Top 7 airlines flying from Illinois to Canada

Discover the top 7 airlines that operate flights from Illinois to Canada. 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 2,558,603 searches. Data last updated August 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$92Average$503FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$97Average$431FlexibilityNo cancel feeOn-time67%
DeltaCheapest$108Average$444FlexibilityNo cancel feeOn-timeN/A
WestJetCheapest$142Average$278FlexibilityNo cancel feeOn-time60%
Porter AirlinesCheapest$187Average$324FlexibilityNo cancel feeOn-time52%
American AirlinesCheapest$192Average$512FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$464Average$707FlexibilityNo cancel feeOn-time75%

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