Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from Canada to Illinois from C$ 118

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 11/1. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — ORD
24 Dec — 31 Dec1
1 adult
1 adult, Economy, 0 bags

Find 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 24 November 2025.

Fri 19/122:30 p.m.YTZ - MDW
Nonstop1h 50mPorter Airlines
Mon 29/1211:00 a.m.MDW - YTZ
Nonstop1h 42mPorter Airlines
Deal found 24/11C$ 257
Wed 31/129:15 a.m.YTZ - MDW
Nonstop1h 50mPorter Airlines
Tue 6/111:00 a.m.MDW - YTZ
Nonstop1h 42mPorter Airlines
Deal found 22/11C$ 262
Sat 6/126:00 a.m.YYZ - ORD
Nonstop2h 15mAmerican Airlines
Sat 13/128:20 a.m.ORD - YYZ
1 stop6h 39mAmerican Airlines
Deal found 22/11C$ 266
Tue 23/129:15 a.m.YTZ - MDW
Nonstop1h 50mPorter Airlines
Sun 4/14:15 p.m.MDW - YTZ
Nonstop1h 42mPorter Airlines
Deal found 23/11C$ 266
Tue 30/122:30 p.m.YTZ - MDW
Nonstop1h 50mPorter Airlines
Tue 6/111:00 a.m.MDW - YTZ
Nonstop1h 42mPorter Airlines
Deal found 22/11C$ 268
Mon 22/122:30 p.m.YTZ - MDW
Nonstop1h 50mPorter Airlines
Mon 29/124:15 p.m.MDW - YTZ
Nonstop1h 42mPorter Airlines
Deal found 24/11C$ 269
Tue 23/129:15 a.m.YTZ - MDW
Nonstop1h 50mPorter Airlines
Thu 1/14:15 p.m.MDW - YTZ
Nonstop1h 42mPorter Airlines
Deal found 23/11C$ 271
Wed 24/129:15 a.m.YTZ - MDW
Nonstop1h 50mPorter Airlines
Tue 30/124:15 p.m.MDW - YTZ
Nonstop1h 42mPorter Airlines
Deal found 24/11C$ 272
Mon 8/122:30 p.m.YTZ - MDW
Nonstop1h 50mPorter Airlines
Thu 11/124:15 p.m.MDW - YTZ
Nonstop1h 42mPorter Airlines
Deal found 24/11C$ 274
Fri 12/122:30 p.m.YTZ - MDW
Nonstop1h 50mPorter Airlines
Mon 15/1211:00 a.m.MDW - YTZ
Nonstop1h 42mPorter Airlines
Deal found 23/11C$ 275
Tue 9/124:50 p.m.YYZ - ORD
Nonstop1h 58mAir Canada
Sun 14/128:00 a.m.ORD - YYZ
Nonstop1h 40mAir Canada
Deal found 23/11C$ 276
Fri 5/122:30 p.m.YTZ - MDW
Nonstop1h 50mPorter Airlines
Sun 7/1211:00 a.m.MDW - YTZ
Nonstop1h 42mPorter Airlines
Deal found 21/11C$ 278

Cheap flight deals from Canada to Illinois

Keep the following information in mind while searching for Canada to Illinois flight deals. Data was last updated 24 November 2025.

Round-trip from

C$ 203

One-way from

C$ 118

Popular in

November

Cheapest in

July

Average price

C$ 409

Good round-trip deal

C$ 348 or less

Good one-way deal

C$ 199 or less
WestJet
  • WestJet
  • 30/1-2/2
  • Nonstop
  • 7h 30m total
  • Canada to Illinois
Search Deals
11/1
  • 11/1
  • 3 total stops
  • 27h 57m total
  • Canada to Illinois
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (C$ 56 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 7 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
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 24 November 2025.
Use the filters below to find and compare flights from Canada to Illinois that are best for you.

Fly from

Canada

Fly to

Illinois

Route

Depart

Return

Price

CalgaryChicago

YYC - ORD

YYCORD

Calgary

Sat 17/1

12:37 p.m.-5:08 p.m.

Nonstop3h 31m

Chicago O'Hare Intl

Wed 21/1

8:45 a.m.-11:35 a.m.

Nonstop3h 50m

C$ 221

TorontoChicago

YTZ - MDW

YTZMDW

Toronto Island

Wed 7/1

9:15 a.m.-10:05 a.m.

Nonstop1h 50m

Chicago Midway

Wed 14/1

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

Nonstop1h 42m

C$ 255

TorontoChicago

YTZ - MDW

YTZMDW

Toronto Island

Fri 19/12

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

Nonstop1h 50m

Chicago Midway

Mon 29/12

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

Nonstop1h 42m

C$ 257

TorontoChicago

YTZ - MDW

YTZMDW

Toronto Island

Tue 23/12

9:15 a.m.-10:05 a.m.

Nonstop1h 50m

Chicago Midway

Thu 1/1

4:15 p.m.-6:57 p.m.

Nonstop1h 42m

C$ 257

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Sun 1/2

9:00 a.m.-10:06 a.m.

Nonstop2h 06m

Chicago O'Hare Intl

Wed 4/2

9:15 p.m.-11:59 p.m.

Nonstop1h 44m

C$ 258

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Fri 3/4

1:00 p.m.-2:01 p.m.

Nonstop2h 01m

Chicago O'Hare Intl

Sun 5/4

9:05 a.m.-11:49 a.m.

Nonstop1h 44m

C$ 258

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Thu 26/2

3:30 p.m.-4:39 p.m.

Nonstop2h 09m

Chicago O'Hare Intl

Sun 8/3

7:10 a.m.-9:58 a.m.

Nonstop1h 48m

C$ 258

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Tue 6/1

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

Nonstop2h 05m

Chicago O'Hare Intl

Tue 13/1

4:50 p.m.-7:45 p.m.

Nonstop1h 55m

C$ 258

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Thu 8/1

5:30 p.m.-6:50 p.m.

Nonstop2h 20m

Chicago O'Hare Intl

Sun 11/1

9:15 p.m.-11:59 p.m.

Nonstop1h 44m

C$ 259

CalgaryChicago

YYC - ORD

YYCORD

Calgary

Mon 13/4

12:55 a.m.-10:08 a.m.

1 stop8h 13m

Chicago O'Hare Intl

Thu 16/4

8:40 a.m.-4:14 p.m.

1 stop8h 34m

C$ 264

Flights are sorted by cheapest round-trip flights first.

Deals found on 23/11

Showing 1-10 of 60 results
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, June is the cheapest month in which you can book a flight from Canada to Illinois (average of C$ 117). Flying from Canada to Illinois in December is currently the most expensive (average of C$ 200). 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 24 November 2025.

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 23% versus a flight at noon.

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 16 December 2024.

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

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 24 November 2025.

The most flights from CA0 to USIL are scheduled on a Monday (60 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (43 on average).

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 24 November 2025.
Check out reviews from past customers who have flown with Porter Airlines,United Airlines, andAmerican Airlines 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
393 reviews
Check prices

Crew

8.6

Boarding

8.2

Food

7.6

Comfort

8.0

Entertainment

7.0

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out
Porter Airlines
8.0
Very good
393 reviews
Porter Airlines
8.0
Very good
393 reviews
Check prices

Crew

8.6

Boarding

8.2

Food

7.6

Comfort

8.0

Entertainment

7.0

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out
United Airlines
7.4
Good
9,039 reviews
Porter Airlines
8.0
Very good
393 reviews
Check prices

Crew

8.6

Boarding

8.2

Food

7.6

Comfort

8.0

Entertainment

7.0

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out
American Airlines
7.2
Good
11,043 reviews
Porter Airlines
8.0
Very good
393 reviews
Check prices

Crew

8.6

Boarding

8.2

Food

7.6

Comfort

8.0

Entertainment

7.0

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out
WestJet
7.2
Good
3,172 reviews
Porter Airlines
8.0
Very good
393 reviews
Check prices

Crew

8.6

Boarding

8.2

Food

7.6

Comfort

8.0

Entertainment

7.0

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out
Air Canada
7.1
Good
10,466 reviews
Porter Airlines
8.0
Very good
393 reviews
Check prices

Crew

8.6

Boarding

8.2

Food

7.6

Comfort

8.0

Entertainment

7.0

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out

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?

    United Airlines, Porter Airlines, and Delta can get you from Canada to Illinois in just under 1h 50m. Your travel time can differ by up to 5h 56m. The distance between Canada and Illinois is about 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 Illinois one-way?

    The cheapest airlines for a one-way flight from Canada to Illinois are WestJet (C$ 158), United Airlines (C$ 166), and Air Canada (C$ 166).

  • 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, June is the cheapest month in which you can book a flight from Canada to Illinois (average of C$ 117). Flying from Canada to Illinois in December is currently the most expensive (average of C$ 200). 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.

Alternative routes for Canada to Illinois

See prices for flight routes from nearby airports that may be better suited for you.
Pearson Intl to John F Kennedy Intl flights
Pierre Elliott Trudeau Intl to Fort Lauderdale flights
Pearson Intl to Fort Lauderdale flights
Pearson Intl to Newark flights
Pearson Intl to Las Vegas flights
Pierre Elliott Trudeau Intl to Miami flights
Pearson Intl to LaGuardia flights
Toronto Island to Newark flights
Pearson Intl to Miami flights
Vancouver Intl to Los Angeles flights
Pierre Elliott Trudeau Intl to John F Kennedy Intl flights
Pierre Elliott Trudeau Intl to Newark flights
Pearson Intl to Orlando flights
Pearson Intl to Los Angeles flights
Pearson Intl to Tampa flights
Vancouver Intl to Las Vegas flights
Pearson Intl to Dallas/Fort Worth flights
Pierre Elliott Trudeau Intl to LaGuardia flights
Pearson Intl to Hobby flights
Toronto Island to Fort Lauderdale flights
Vancouver Intl to Newark flights
Pierre Elliott Trudeau Intl to Orlando flights
Vancouver Intl to John F Kennedy Intl flights
Pearson Intl to San Francisco flights
Toronto Island to Orlando flights
Pearson Intl to George Bush Intcntl flights
Vancouver Intl to Sky Harbor Intl flights
Pierre Elliott Trudeau Intl to Las Vegas flights
Vancouver Intl to Palm Springs flights
Vancouver Intl to Honolulu flights
Vancouver Intl to San Diego flights
Pearson Intl to Boston flights
Pearson Intl to Fort Myers flights
Calgary to Las Vegas flights
Pearson Intl to Sky Harbor Intl flights
Pierre Elliott Trudeau Intl to Los Angeles flights
Hamilton to Fort Lauderdale flights
Pearson Intl to Seattle flights
Québec City to Fort Lauderdale flights
Ottawa to Fort Lauderdale flights
Toronto Island to Miami flights
Pearson Intl to Reagan-National flights
Abbotsford to Los Angeles flights
Vancouver Intl to San Francisco flights
Pearson Intl to O'Hare Intl flights
Pearson Intl to Dulles Intl flights
Vancouver Intl to LaGuardia flights
Vancouver Intl to Hobby flights
Abbotsford to Las Vegas flights
Vancouver Intl to Orlando flights

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 24 November 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 152AverageC$ 489FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
WestJetCheapestC$ 180AverageC$ 426FlexibilityNo cancel feeOn-time60%
Search WestJet flights
DeltaCheapestC$ 188AverageC$ 376FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
American AirlinesCheapestC$ 189AverageC$ 426FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Porter AirlinesCheapestC$ 199AverageC$ 419FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
United AirlinesCheapestC$ 210AverageC$ 565FlexibilityNo cancel feeOn-time69%
Search United 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.