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Cheap flights from Canada to Illinois from C$ 179

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 16/7. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — ORD
3 Jul — 10 Jul1
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 3 June 2026.

Fri 3/71:45 p.m.
YTZ
-
MDW
Nonstop1h 50m
Porter Airlines
Mon 6/73:20 p.m.
MDW
-
YTZ
Nonstop1h 40m
Porter Airlines
Deal found 29/5C$ 278
Thu 16/71:45 p.m.
YTZ
-
MDW
Nonstop1h 50m
Porter Airlines
Sun 19/73:20 p.m.
MDW
-
YTZ
Nonstop1h 40m
Porter Airlines
Deal found 30/5C$ 280
Fri 12/68:45 a.m.
YTZ
-
MDW
Nonstop1h 50m
Porter Airlines
Sun 14/63:20 p.m.
MDW
-
YTZ
Nonstop1h 40m
Porter Airlines
Deal found 29/5C$ 281
Tue 1/910:05 a.m.
YTZ
-
ORD
Nonstop1h 55m
Porter Airlines
Sun 6/911:45 a.m.
ORD
-
YTZ
Nonstop1h 40m
Porter Airlines
Deal found 31/5C$ 281
Sat 13/68:45 a.m.
YTZ
-
MDW
Nonstop1h 50m
Porter Airlines
Sun 14/63:20 p.m.
MDW
-
YTZ
Nonstop1h 40m
Porter Airlines
Deal found 30/5C$ 282
Fri 12/68:45 a.m.
YTZ
-
MDW
Nonstop1h 50m
Porter Airlines
Mon 15/610:15 a.m.
MDW
-
YTZ
Nonstop1h 40m
Porter Airlines
Deal found 29/5C$ 284
Thu 25/61:45 p.m.
YTZ
-
MDW
Nonstop1h 50m
Porter Airlines
Sun 28/610:25 a.m.
MDW
-
YTZ
Nonstop1h 40m
Porter Airlines
Deal found 3/6C$ 285
Fri 4/98:40 p.m.
YTZ
-
ORD
Nonstop1h 55m
Porter Airlines
Sun 6/93:20 p.m.
ORD
-
YTZ
Nonstop1h 40m
Porter Airlines
Deal found 3/6C$ 285
Tue 1/98:40 p.m.
YTZ
-
ORD
Nonstop1h 55m
Porter Airlines
Tue 8/911:45 a.m.
ORD
-
YTZ
Nonstop1h 40m
Porter Airlines
Deal found 30/5C$ 286
Sun 14/68:45 a.m.
YTZ
-
MDW
Nonstop1h 50m
Porter Airlines
Wed 17/610:15 a.m.
MDW
-
YTZ
Nonstop1h 40m
Porter Airlines
Deal found 29/5C$ 288
Thu 3/910:05 a.m.
YTZ
-
ORD
Nonstop1h 55m
Porter Airlines
Sun 6/911:45 a.m.
ORD
-
YTZ
Nonstop1h 40m
Porter Airlines
Deal found 31/5C$ 289
Fri 12/67:20 p.m.
YTZ
-
ORD
Nonstop1h 56m
Air Canada
Sun 14/67:25 a.m.
ORD
-
YTZ
Nonstop1h 41m
Air Canada
Deal found 29/5C$ 291

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 3 June 2026.

Round-trip from

C$ 278

One-way from

C$ 179

Popular in

May

Cheapest in

July

Average price

C$ 338

Good round-trip deal

C$ 293 or less

Good one-way deal

C$ 203 or less
Porter Airlines
  • Porter Airlines
  • 3/7-6/7
  • Nonstop
  • 3h 30m total
  • Canada to Illinois
Search Deals
Porter Airlines
  • Porter Airlines
  • 2/7
  • Nonstop
  • 1h 50m total
  • Canada to Illinois
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (C$ 25 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 June 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 3 June 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
Quickest round-trip

TorontoChicago

YTZ - MDW

YTZMDW

Toronto Island

Fri 17/7

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

Nonstop1h 50m

Chicago Midway

Sun 19/7

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

Nonstop1h 40m

C$ 288

TorontoChicago

YTZ - MDW

YTZMDW

Toronto Island

Tue 23/6

8:50 a.m.-9:40 a.m.

Nonstop1h 50m

Chicago Midway

Thu 2/7

10:25 a.m.-1:05 p.m.

Nonstop1h 40m

C$ 313

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Thu 25/6

7:00 a.m.-8:00 a.m.

Nonstop2h 00m

Chicago O'Hare Intl

Sun 28/6

7:09 a.m.-9:54 a.m.

Nonstop1h 45m

C$ 317

TorontoChicago

YTZ - MDW

YTZMDW

Toronto Island

Tue 30/6

8:50 a.m.-9:40 a.m.

Nonstop1h 50m

Chicago Midway

Fri 3/7

10:25 a.m.-1:05 p.m.

Nonstop1h 40m

C$ 317

TorontoChicago

YTZ - MDW

YTZMDW

Toronto Island

Mon 29/6

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

Nonstop1h 50m

Chicago Midway

Thu 2/7

10:25 a.m.-1:05 p.m.

Nonstop1h 40m

C$ 317

TorontoChicago

YTZ - MDW

YTZMDW

Toronto Island

Sun 28/6

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

Nonstop1h 50m

Chicago Midway

Thu 2/7

10:25 a.m.-1:05 p.m.

Nonstop1h 40m

C$ 317

TorontoChicago

YTZ - MDW

YTZMDW

Toronto Island

Tue 30/6

8:50 a.m.-9:40 a.m.

Nonstop1h 50m

Chicago Midway

Thu 2/7

10:25 a.m.-1:05 p.m.

Nonstop1h 40m

C$ 317

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Sat 27/6

7:00 a.m.-8:00 a.m.

Nonstop2h 00m

Chicago O'Hare Intl

Sat 4/7

7:09 a.m.-9:54 a.m.

Nonstop1h 45m

C$ 339

TorontoChicago

YTZ - MDW

YTZMDW

Toronto Island

Thu 25/6

8:50 a.m.-9:40 a.m.

Nonstop1h 50m

Chicago Midway

Wed 1/7

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

Nonstop1h 40m

C$ 340

TorontoChicago

YTZ - MDW

YTZMDW

Toronto Island

Sun 28/6

8:50 a.m.-9:40 a.m.

Nonstop1h 50m

Chicago Midway

Wed 1/7

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

Nonstop1h 40m

C$ 347

Flights are sorted by cheapest round-trip flights first.

Deals found on 30/5

Showing 1-10 of 60 resultsSorted by cheapest first
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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, April is the cheapest month in which you can book a flight from Canada to Illinois (average of C$ 353). Flying from Canada to Illinois in July is currently the most expensive (average of C$ 504). 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 3 June 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 30% 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 3 June 2026.

The most flights from CA0 to USIL are scheduled on a Tuesday (71 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (21 on average).

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

Booking 66 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 30 May 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 3 June 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
440 reviews
Check prices

Crew

8.6

Overall

8.0

Entertainment

6.9

Comfort

8.0

Boarding

8.2

Food

7.6

Reviews

1 / 20
6.0
Good

Justin,May 2026

YYZ - MCO

Staff very nice. Seats were uncomfortable. Complimentary snacks leave much to be desired.
Porter Airlines
8.0
Very good
440 reviews
Porter Airlines
8.0
Very good
440 reviews
Check prices

Crew

8.6

Overall

8.0

Entertainment

6.9

Comfort

8.0

Boarding

8.2

Food

7.6

Reviews

1 / 20
6.0
Good

Justin,May 2026

YYZ - MCO

Staff very nice. Seats were uncomfortable. Complimentary snacks leave much to be desired.
United Airlines
7.4
Good
9,772 reviews
Porter Airlines
8.0
Very good
440 reviews
Check prices

Crew

8.6

Overall

8.0

Entertainment

6.9

Comfort

8.0

Boarding

8.2

Food

7.6

Reviews

1 / 20
6.0
Good

Justin,May 2026

YYZ - MCO

Staff very nice. Seats were uncomfortable. Complimentary snacks leave much to be desired.
WestJet
7.2
Good
3,350 reviews
Porter Airlines
8.0
Very good
440 reviews
Check prices

Crew

8.6

Overall

8.0

Entertainment

6.9

Comfort

8.0

Boarding

8.2

Food

7.6

Reviews

1 / 20
6.0
Good

Justin,May 2026

YYZ - MCO

Staff very nice. Seats were uncomfortable. Complimentary snacks leave much to be desired.
American Airlines
7.1
Good
11,641 reviews
Porter Airlines
8.0
Very good
440 reviews
Check prices

Crew

8.6

Overall

8.0

Entertainment

6.9

Comfort

8.0

Boarding

8.2

Food

7.6

Reviews

1 / 20
6.0
Good

Justin,May 2026

YYZ - MCO

Staff very nice. Seats were uncomfortable. Complimentary snacks leave much to be desired.
Air Canada
7.1
Good
11,125 reviews
Porter Airlines
8.0
Very good
440 reviews
Check prices

Crew

8.6

Overall

8.0

Entertainment

6.9

Comfort

8.0

Boarding

8.2

Food

7.6

Reviews

1 / 20
6.0
Good

Justin,May 2026

YYZ - MCO

Staff very nice. Seats were uncomfortable. Complimentary snacks leave much to be desired.

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?

    Porter Airlines, United Airlines, and Delta can get you from Canada to Illinois in just under 1h 50m. Your travel time can differ by up to 5h 32m. 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 Porter Airlines (C$ 124), WestJet (C$ 129), and Air Canada (C$ 149).

  • 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, April is the cheapest month in which you can book a flight from Canada to Illinois (average of C$ 353). Flying from Canada to Illinois in July is currently the most expensive (average of C$ 504). 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 Canada to Illinois

See prices for flight routes from nearby airports that may be better suited for you.
Toronto Island to Newark flights
Pearson Intl to Newark flights
Pearson Intl to LaGuardia flights
Pearson Intl to John F Kennedy Intl flights
Pearson Intl to Fort Lauderdale flights
Pearson Intl to Las Vegas flights
Vancouver Intl to Las Vegas flights
Pierre Elliott Trudeau Intl to Miami flights
Pearson Intl to Dallas/Fort Worth flights
Pierre Elliott Trudeau Intl to LaGuardia flights
Pearson Intl to Orlando flights
Pearson Intl to Seattle flights
Pearson Intl to Los Angeles flights
Pierre Elliott Trudeau Intl to Newark flights
Toronto Island to LaGuardia flights
Pearson Intl to Miami flights
Vancouver Intl to Newark flights
Vancouver Intl to Los Angeles flights
Pierre Elliott Trudeau Intl to Fort Lauderdale flights
Vancouver Intl to San Francisco flights
Vancouver Intl to John F Kennedy Intl flights
Pearson Intl to San Francisco flights
Pierre Elliott Trudeau Intl to Los Angeles flights
Pearson Intl to Reagan-National flights
Pierre Elliott Trudeau Intl to John F Kennedy Intl flights
Pearson Intl to O'Hare Intl flights
Pearson Intl to Dulles Intl flights
Pearson Intl to Hobby flights
Vancouver Intl to Honolulu flights
Calgary to Las Vegas flights
Pearson Intl to Nashville flights
Pearson Intl to George Bush Intcntl flights
Pierre Elliott Trudeau Intl to O'Hare Intl flights
Pierre Elliott Trudeau Intl to Orlando flights
Vancouver Intl to LaGuardia flights
Pearson Intl to Atlanta flights
Pierre Elliott Trudeau Intl to Las Vegas flights
Toronto Island to O'Hare Intl flights
Vancouver Intl to Dallas/Fort Worth flights
Vancouver Intl to San Diego flights
Hamilton to Newark flights
Toronto Island to Fort Lauderdale flights
Vancouver Intl to Seattle flights
Pearson Intl to Midway flights
Pierre Elliott Trudeau Intl to Nashville flights
Pearson Intl to Boston flights
Calgary to Los Angeles flights
Edmonton to Las Vegas flights
Pearson Intl to Tampa 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 3 June 2026.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapestC$ 113AverageC$ 448FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
Air CanadaCheapestC$ 121AverageC$ 536FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
DeltaCheapestC$ 148AverageC$ 388FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
American AirlinesCheapestC$ 178AverageC$ 441FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
WestJetCheapestC$ 185AverageC$ 400FlexibilityNo cancel feeOn-time60%
Search WestJet flights
United AirlinesCheapestC$ 187AverageC$ 437FlexibilityNo 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.

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