Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from Canada to Illinois from C$ 192

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 16/9. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — ORD
26 Aug — 2 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Canada to Illinois

Enter your travel dates to find the best prices.

Cheapest flights from Canada to Illinois
Explore the most affordable flight options available from Canada to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 27 July 2026.

Wed 9/94:00 p.m.
YYZ
-
ORD
1 stop5h 12m
Air Canada
Wed 16/93:45 p.m.
ORD
-
YYZ
Nonstop1h 45m
Air Canada
Deal found 26/7C$ 289
Thu 17/98:20 a.m.
YTZ
-
ORD
2 stops7h 32m
Air Canada
Tue 22/98:45 a.m.
ORD
-
YTZ
1 stop6h 05m
Air Canada
Deal found 24/7C$ 289
Thu 3/98:05 a.m.
YYZ
-
ORD
Nonstop1h 55m
Air Canada
Tue 8/98:45 a.m.
ORD
-
YYZ
1 stop5h 48m
Air Canada
Deal found 23/7C$ 290
Mon 31/88:55 a.m.
YTZ
-
MDW
Nonstop1h 50m
Porter Airlines
Mon 21/93:20 p.m.
MDW
-
YTZ
Nonstop1h 40m
Porter Airlines
Deal found 26/7C$ 290
Wed 23/912:15 p.m.
YTZ
-
ORD
Nonstop2h 06m
Air Canada
Sun 27/92:00 p.m.
ORD
-
YTZ
Nonstop1h 42m
Air Canada
Deal found 24/7C$ 290
Tue 25/88:55 a.m.
YTZ
-
MDW
Nonstop1h 50m
Porter Airlines
Wed 9/911:45 a.m.
MDW
-
YTZ
Nonstop1h 40m
Porter Airlines
Deal found 25/7C$ 292
Thu 3/910:20 a.m.
YTZ
-
ORD
2 stops10h 45m
Air Canada
Tue 8/98:45 a.m.
ORD
-
YTZ
1 stop6h 05m
Air Canada
Deal found 23/7C$ 292
Fri 4/97:00 a.m.
YYZ
-
ORD
Nonstop2h 00m
Multiple Airlines
Tue 8/99:55 a.m.
ORD
-
YYZ
Nonstop1h 45m
Multiple Airlines
Deal found 24/7C$ 294
Sat 5/910:45 a.m.
YTZ
-
ORD
1 stop5h 10m
Air Canada
Thu 10/92:00 p.m.
ORD
-
YTZ
Nonstop1h 42m
Air Canada
Deal found 22/7C$ 294
Sat 5/96:55 p.m.
YYZ
-
ORD
Nonstop1h 58m
Air Canada
Sat 12/99:55 a.m.
ORD
-
YYZ
Nonstop1h 45m
Air Canada
Deal found 23/7C$ 296
Tue 8/97:35 p.m.
YTZ
-
ORD
Nonstop2h 06m
Air Canada
Tue 15/98:45 a.m.
ORD
-
YTZ
2 stops8h 35m
Air Canada
Deal found 26/7C$ 296
Fri 21/81:45 p.m.
YTZ
-
MDW
Nonstop1h 50m
Porter Airlines
Sun 23/83:15 p.m.
MDW
-
YTZ
Nonstop1h 40m
Porter Airlines
Deal found 23/7C$ 297

Find flight deals from Canada to Illinois

Keep the following information in mind while searching for Canada to Illinois flight deals. Data was last updated 27 July 2026.

Round-trip from

C$ 289

One-way from

C$ 192

Popular in

May

Cheapest in

September

Average price

C$ 399

Good round-trip deal

C$ 289 or less

Good one-way deal

C$ 182 or less
Air Canada
  • Air Canada
  • 9/9-16/9
  • 1 total stop
  • 6h 57m total
  • Canada to Illinois
Search Deals
Air Canada
  • Air Canada
  • 11/9
  • 1 total stop
  • 5h 12m total
  • Canada to Illinois
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (C$ 22 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 0% potential price decrease (C$ 5 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals
Price to beat on a round-trip flight from Canada to Illinois.
Search Deals
Price to beat on a one-way flight from Canada to Illinois.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Canada to Illinois 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 27 July 2026.
Use the filters below to find and compare flights from Canada to Illinois that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

TorontoChicago

YTZ - ORD

YTZORD

Toronto Island

Mon 14/9

7:35 p.m.-8:41 p.m.

Nonstop2h 06m

Chicago O'Hare Intl

Wed 16/9

7:25 a.m.-10:07 a.m.

Nonstop1h 42m

C$ 297

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Fri 18/9

9:00 p.m.-10:05 p.m.

Nonstop2h 05m

Chicago O'Hare Intl

Sun 20/9

11:05 a.m.-6:53 p.m.

1 stop6h 48m

C$ 307
Quickest round-trip

TorontoChicago

YTZ - MDW

YTZMDW

Toronto Island

Wed 19/8

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

Nonstop1h 50m

Chicago Midway

Wed 26/8

3:15 p.m.-5:55 p.m.

Nonstop1h 40m

C$ 316

TorontoChicago

YTZ - MDW

YTZMDW

Toronto Island

Wed 9/9

10:10 a.m.-11:00 a.m.

Nonstop1h 50m

Chicago Midway

Sun 13/9

11:45 a.m.-2:25 p.m.

Nonstop1h 40m

C$ 321

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Thu 10/9

10:15 a.m.-11:21 a.m.

Nonstop2h 06m

Chicago O'Hare Intl

Mon 14/9

8:42 a.m.-7:02 p.m.

1 stop9h 20m

C$ 334

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Mon 14/9

2:24 p.m.-8:30 p.m.

1 stop7h 06m

Chicago O'Hare Intl

Wed 16/9

5:10 p.m.-10:59 p.m.

1 stop4h 49m

C$ 342

TorontoChicago

YYZ - MDW

YYZMDW

Toronto Pearson Intl

Wed 2/9

9:45 a.m.-4:59 p.m.

1 stop8h 14m

Chicago Midway

Sun 27/9

9:29 a.m.-1:34 p.m.

1 stop3h 05m

C$ 342

TorontoChicago

YYZ - MDW

YYZMDW

Toronto Pearson Intl

Wed 9/9

6:00 a.m.-9:07 a.m.

1 stop4h 07m

Chicago Midway

Sat 12/9

5:37 p.m.-10:59 p.m.

1 stop4h 22m

C$ 342

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Thu 10/9

9:00 p.m.-10:05 p.m.

Nonstop2h 05m

Chicago O'Hare Intl

Sat 12/9

12:55 p.m.-7:02 p.m.

1 stop5h 07m

C$ 345

TorontoChicago

YTZ - MDW

YTZMDW

Toronto Island

Mon 28/9

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

Nonstop1h 50m

Chicago Midway

Thu 1/10

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

Nonstop1h 40m

C$ 347

Flights are sorted by cheapest round-trip flights first.

Deals found on 23/7

Showing 1-10 of 60 resultsSorted by cheapest first
1
2
3
...
6

Best time to book a flight from Canada to Illinois

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

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

Currently, September is the cheapest month in which you can book a flight from Canada to Illinois (average of C$ 393). Flying from Canada to Illinois in July is currently the most expensive (average of C$ 499). 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 IL?

Find hourly flight availability from Canada to Illinois. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 27 July 2026.

When flying from Canada to Illinois, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 28% versus a flight at noon.

Weekly flight availability from Canada to Illinois

Explore weekly flight availability from Canada to Illinois. 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 27 July 2026.

The most flights from CA0 to USIL are scheduled on a Friday (71 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (60 on average).

How far ahead should I book a flight from Canada to Illinois?

Booking 83 days in advance of your planned departure date is, on average, the best time to get cheap flights from Canada to Illinois. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Use this chart to determine the cheapest time to fly round-trip from Canada to Illinois. Price data was last updated on 25 July 2026.

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

Reviews of airlines servicing Illinois

Get insights into the airlines that provide service to Illinois. 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 Illinois. Reviews last updated 27 July 2026.
Check out reviews from past customers who have flown with Porter Airlines,United Airlines, andWestJet from Canada to Illinois 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
448 reviews
Check prices

Food

7.5

Entertainment

6.9

Crew

8.6

Boarding

8.2

Overall

8.0

Comfort

8.0

Reviews

1 / 20
6.0
Good

Shannon,Jul 2026

YQT - YOW

Seats need to be a bit bigger & I'm not impressed that you have to pay to change seats
Porter Airlines
8.0
Very good
448 reviews
Porter Airlines
8.0
Very good
448 reviews
Check prices

Food

7.5

Entertainment

6.9

Crew

8.6

Boarding

8.2

Overall

8.0

Comfort

8.0

Reviews

1 / 20
6.0
Good

Shannon,Jul 2026

YQT - YOW

Seats need to be a bit bigger & I'm not impressed that you have to pay to change seats
United Airlines
7.4
Good
10,042 reviews
Porter Airlines
8.0
Very good
448 reviews
Check prices

Food

7.5

Entertainment

6.9

Crew

8.6

Boarding

8.2

Overall

8.0

Comfort

8.0

Reviews

1 / 20
6.0
Good

Shannon,Jul 2026

YQT - YOW

Seats need to be a bit bigger & I'm not impressed that you have to pay to change seats
WestJet
7.2
Good
3,415 reviews
Porter Airlines
8.0
Very good
448 reviews
Check prices

Food

7.5

Entertainment

6.9

Crew

8.6

Boarding

8.2

Overall

8.0

Comfort

8.0

Reviews

1 / 20
6.0
Good

Shannon,Jul 2026

YQT - YOW

Seats need to be a bit bigger & I'm not impressed that you have to pay to change seats
American Airlines
7.1
Good
11,842 reviews
Porter Airlines
8.0
Very good
448 reviews
Check prices

Food

7.5

Entertainment

6.9

Crew

8.6

Boarding

8.2

Overall

8.0

Comfort

8.0

Reviews

1 / 20
6.0
Good

Shannon,Jul 2026

YQT - YOW

Seats need to be a bit bigger & I'm not impressed that you have to pay to change seats
Air Canada
7.1
Good
11,392 reviews
Porter Airlines
8.0
Very good
448 reviews
Check prices

Food

7.5

Entertainment

6.9

Crew

8.6

Boarding

8.2

Overall

8.0

Comfort

8.0

Reviews

1 / 20
6.0
Good

Shannon,Jul 2026

YQT - YOW

Seats need to be a bit bigger & I'm not impressed that you have to pay to change seats

Related info for your journey

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

    Air Canada, Porter Airlines, and United Airlines can get you from Canada to Illinois in just under 1h 50m. Your travel time will be generally consistent. The distance between Canada and Illinois is about 711 km. Most flights are nonstop.

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

    The cheapest airlines for a one-way flight from Canada to Illinois are WestJet (C$ 130), Porter Airlines (C$ 136), and Air Canada (C$ 153).

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

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

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

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

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

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

    Currently, September is the cheapest month in which you can book a flight from Canada to Illinois (average of C$ 393). Flying from Canada to Illinois in July is currently the most expensive (average of C$ 499). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 6 airlines flying from Canada to Illinois

Discover the top 6 airlines that operate flights from Canada to Illinois. 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 27 July 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 123AverageC$ 632FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
DeltaCheapestC$ 144AverageC$ 401FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
United AirlinesCheapestC$ 187AverageC$ 563FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
WestJetCheapestC$ 188AverageC$ 431FlexibilityNo cancel feeOn-time60%
Search WestJet flights
American AirlinesCheapestC$ 200AverageC$ 475FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Porter AirlinesCheapestC$ 201AverageC$ 426FlexibilityNo cancel feeOn-time52%
Search Porter 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 Illinois?

When you search for this flight from Canada to Illinois, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Canada to Illinois.

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

Certainly. Search results for flights to Illinois 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 Illinois become cheaper?

Not ready to book yet? You can track prices for flights from Canada to Illinois on Cheapflights with our Price Alert feature and get notified when better prices are available.

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.