Cheap flights from Toronto 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 11/9. Fares are subject to change and may not be available on all flights or dates of travel.
YTO — ORD
2 Aug — 9 Aug1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Toronto to Illinois

Enter your travel dates to find the best prices.

Cheapest flights from Toronto to Illinois
Explore the most affordable flight options available from Toronto to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 3 July 2026.

Mon 14/98:40 p.m.
YTZ
-
ORD
Nonstop1h 55m
Porter Airlines
Wed 16/97:00 a.m.
ORD
-
YTZ
Nonstop1h 40m
Porter Airlines
Deal found 28/6C$ 288
Thu 24/91:40 p.m.
YTZ
-
ORD
Nonstop1h 55m
Porter Airlines
Tue 29/97:00 a.m.
ORD
-
YTZ
Nonstop1h 40m
Porter Airlines
Deal found 30/6C$ 290
Tue 14/71:45 p.m.
YTZ
-
MDW
Nonstop1h 50m
Porter Airlines
Thu 16/710:25 a.m.
MDW
-
YTZ
Nonstop1h 40m
Porter Airlines
Deal found 29/6C$ 291
Sat 5/910:05 a.m.
YTZ
-
ORD
Nonstop1h 55m
Porter Airlines
Sun 6/911:45 a.m.
ORD
-
YTZ
Nonstop1h 40m
Porter Airlines
Deal found 30/6C$ 291
Thu 16/78:50 a.m.
YTZ
-
MDW
Nonstop1h 50m
Porter Airlines
Sun 19/73:20 p.m.
MDW
-
YTZ
Nonstop1h 40m
Porter Airlines
Deal found 28/6C$ 292
Thu 3/910:05 a.m.
YTZ
-
ORD
Nonstop1h 55m
Porter Airlines
Tue 8/93:20 p.m.
ORD
-
YTZ
Nonstop1h 40m
Porter Airlines
Deal found 30/6C$ 292
Fri 31/71:45 p.m.
YTZ
-
MDW
Nonstop1h 50m
Porter Airlines
Tue 4/83:15 p.m.
MDW
-
YTZ
Nonstop1h 40m
Porter Airlines
Deal found 28/6C$ 294
Thu 16/712:15 p.m.
YTZ
-
ORD
Nonstop2h 04m
Air Canada
Sun 19/77:25 a.m.
ORD
-
YTZ
Nonstop1h 42m
Air Canada
Deal found 2/7C$ 294
Wed 15/71:45 p.m.
YTZ
-
MDW
Nonstop1h 50m
Porter Airlines
Tue 21/73:20 p.m.
MDW
-
YTZ
Nonstop1h 40m
Porter Airlines
Deal found 28/6C$ 295
Fri 11/91:40 p.m.
YTZ
-
ORD
Nonstop1h 55m
Porter Airlines
Mon 28/97:00 a.m.
ORD
-
YTZ
Nonstop1h 40m
Porter Airlines
Deal found 1/7C$ 295
Mon 3/88:55 a.m.
YTZ
-
MDW
Nonstop1h 50m
Porter Airlines
Fri 7/810:25 a.m.
MDW
-
YTZ
Nonstop1h 40m
Porter Airlines
Deal found 1/7C$ 297
Thu 1/1010:05 a.m.
YTZ
-
ORD
Nonstop1h 55m
Porter Airlines
Sun 4/103:20 p.m.
ORD
-
YTZ
Nonstop1h 40m
Porter Airlines
Deal found 30/6C$ 297

Find flight deals from Toronto to Illinois

Keep the following information in mind while searching for Toronto to Illinois flight deals. Data was last updated 3 July 2026.

Round-trip from

C$ 288

One-way from

C$ 192

Popular in

June

Cheapest in

September

Average price

C$ 372

Good round-trip deal

C$ 305 or less

Good one-way deal

C$ 176 or less
Porter Airlines
  • Porter Airlines
  • 14/9-16/9
  • Nonstop
  • 3h 35m total
  • Toronto to Illinois
Air Canada
  • Air Canada
  • 11/9
  • Nonstop
  • 1h 58m total
  • Toronto to Illinois
Highest demand for flights based on searches. 4% potential increase in price (C$ 25 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease (C$ 6 potential savings vs. average RT price).
Average for round-trip flights in July 2026
Price to beat on a round-trip flight from Toronto (YTO) to Illinois.
Price to beat on a one-way flight from Toronto (YTO) to Illinois.

Cheapflights Fare Finder

 
Customize your flight search to find flights from Toronto 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 July 2026.
Use the filters below to find and compare flights from Toronto 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$ 291

TorontoChicago

YTZ - MDW

YTZMDW

Toronto Island

Sun 23/8

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

Nonstop1h 50m

Chicago Midway

Mon 24/8

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

Nonstop1h 40m

C$ 304

TorontoChicago

YTZ - MDW

YTZMDW

Toronto Island

Thu 6/8

8:55 a.m.-9:45 a.m.

Nonstop1h 50m

Chicago Midway

Mon 10/8

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

Nonstop1h 40m

C$ 307

TorontoChicago

YTZ - MDW

YTZMDW

Toronto Island

Thu 30/7

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

Nonstop1h 50m

Chicago Midway

Sun 2/8

10:20 a.m.-1:00 p.m.

Nonstop1h 40m

C$ 312

TorontoChicago

YTZ - ORD

YTZORD

Toronto Island

Sat 18/7

7:25 p.m.-8:29 p.m.

Nonstop2h 04m

Chicago O'Hare Intl

Sun 19/7

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

Nonstop1h 42m

C$ 329

TorontoChicago

YTZ - MDW

YTZMDW

Toronto Island

Fri 31/7

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

Nonstop1h 50m

Chicago Midway

Mon 3/8

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

Nonstop1h 40m

C$ 331

TorontoChicago

YTZ - ORD

YTZORD

Toronto Island

Sat 19/9

1:40 p.m.-2:35 p.m.

Nonstop1h 55m

Chicago O'Hare Intl

Sat 26/9

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

Nonstop1h 40m

C$ 342

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Sat 18/7

8:45 a.m.-9:45 a.m.

Nonstop2h 00m

Chicago O'Hare Intl

Sat 18/7

9:20 p.m.-11:59 p.m.

Nonstop1h 39m

C$ 344

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Sat 18/7

8:45 a.m.-9:45 a.m.

Nonstop2h 00m

Chicago O'Hare Intl

Tue 21/7

3:50 p.m.-6:34 p.m.

Nonstop1h 44m

C$ 344

TorontoChicago

YTZ - MDW

YTZMDW

Toronto Island

Thu 30/7

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

Nonstop1h 50m

Chicago Midway

Mon 3/8

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

Nonstop1h 40m

C$ 346

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/7

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from Toronto to Illinois

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

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

Currently, August is the cheapest month in which you can book a flight from Toronto to Illinois (average of C$ 363). Flying from Toronto to Illinois in January is currently the most expensive (average of C$ 1,185). 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 YTO to IL?

Find hourly flight availability from Toronto 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 July 2026.

A simple way to save on the total cost of your ticket is to fly from Toronto to Illinois in the morning. If you’re flexible enough to do this you can expect to save up to 25% on your trip compared to booking a flight in the afternoon.

Weekly flight availability from Toronto to Illinois

Explore weekly flight availability from Toronto 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 July 2026.

The most flights from YTO to USIL are scheduled on a Thursday (75 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (41 on average).

How much does it cost to fly round-trip from Toronto to Illinois?

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

The best time to book flights from Toronto to Illinois is 87 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Use this chart to determine the cheapest time to fly round-trip from Toronto to Illinois. Price data was last updated on 27 June 2026.

Travelers seeking maximum savings on their Toronto to Illinois flight should consider departing on Wednesday afternoons 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 July 2026.
See what other customers who have flown with Porter Airlines,Air Transat, andUnited Airlines from Toronto to Illinois have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Boarding

8.2

Entertainment

6.9

Food

7.5

Overall

7.9

Comfort

7.9

Crew

8.6

Reviews

1 / 20
6.0
Good

Justin,May 2026

YYZ - MCO

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

Boarding

8.2

Entertainment

6.9

Food

7.5

Overall

7.9

Comfort

7.9

Crew

8.6

Reviews

1 / 20
6.0
Good

Justin,May 2026

YYZ - MCO

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

Boarding

8.2

Entertainment

6.9

Food

7.5

Overall

7.9

Comfort

7.9

Crew

8.6

Reviews

1 / 20
6.0
Good

Justin,May 2026

YYZ - MCO

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

Boarding

8.2

Entertainment

6.9

Food

7.5

Overall

7.9

Comfort

7.9

Crew

8.6

Reviews

1 / 20
6.0
Good

Justin,May 2026

YYZ - MCO

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

Boarding

8.2

Entertainment

6.9

Food

7.5

Overall

7.9

Comfort

7.9

Crew

8.6

Reviews

1 / 20
6.0
Good

Justin,May 2026

YYZ - MCO

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

Boarding

8.2

Entertainment

6.9

Food

7.5

Overall

7.9

Comfort

7.9

Crew

8.6

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 Toronto 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 Toronto to Illinois?

    Departing from Toronto to Illinois will take you 1h 50m. There are 711 km between Toronto and Illinois. All flights are typically direct.

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

    One-way options have recently been found by users for as low as C$ 145 on Porter Airlines. Other airlines that offer cheap prices include United Airlines from C$ 160 and Air Canada from C$ 166 one-way.

  • What are the most popular routes from Toronto to Illinois?

  • What are the most reliable airlines from Toronto to Illinois?

    No one likes to see their flight delayed. When booking a flight from Toronto to Illinois consider choosing Copa Airlines (100%), Egyptair (91%) or Japan Airlines (89%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Toronto to Illinois?

    On average you can expect to pay C$ 4,021 for a flight from Toronto to Illinois. The cheapest flight overall is C$ 227 while the most popular route, (Toronto Pearson Intl - Chicago O'Hare Intl) is currently priced at C$ 318.

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Toronto to Illinois (average of C$ 363). Flying from Toronto to Illinois in January is currently the most expensive (average of C$ 1,185). 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

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Alternative routes for Toronto to Illinois

See prices for flight routes from nearby airports that may be better suited for you.

Top 5 airlines flying from Toronto to Illinois

Discover the top 5 airlines that operate flights from Toronto 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 July 2026.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapestC$ 116AverageC$ 410FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
Air CanadaCheapestC$ 137AverageC$ 509FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
American AirlinesCheapestC$ 256AverageC$ 424FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
United AirlinesCheapestC$ 269AverageC$ 421FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
WestJetCheapestC$ 379AverageC$ 488FlexibilityNo cancel feeOn-time60%
Search WestJet flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Toronto to Illinois?

When you search for this flight from Toronto 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 Toronto to Illinois?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Illinois from Toronto.

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

Need flexible booking options for your flight to Illinois from Toronto? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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