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Cheap flights from Toronto to Illinois from C$ 146

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 14/11. Fares are subject to change and may not be available on all flights or dates of travel.
YTO — ORD
19 Aug — 26 Aug1
1 adult

Cheap flight deals from Toronto to Illinois

Keep the following information in mind while searching for Toronto to Illinois flight deals. Data was last updated 14 August 2025.

Round-trip from

C$ 203

One-way from

C$ 146

Popular in

December

Cheapest in

July

Average price

C$ 356

Good round-trip deal

C$ 216 or less

Good one-way deal

C$ 128 or less
Air Canada
  • Air Canada
  • 6/11-10/11
  • Nonstop
  • 3h 34m total
  • Toronto to Illinois
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American Airlines
  • American Airlines
  • 14/11
  • Nonstop
  • 2h 00m total
  • Toronto to Illinois
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (C$ 43 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2025
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Price to beat on a round-trip flight from Toronto (YTO) to Illinois.
Search Deals
Price to beat on a one-way flight from Toronto (YTO) to Illinois.
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Find flight deals from Toronto to Illinois

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 14 August 2025.

Thu 6/112:15 p.m.YYZ - ORD
Nonstop1h 55mAir Canada
Mon 10/113:55 p.m.ORD - YYZ
Nonstop1h 39mAir Canada
Deal found 13/8C$ 203
Fri 7/119:00 p.m.YYZ - ORD
Nonstop2h 05mUnited Airlines
Mon 10/119:20 p.m.ORD - YYZ
Nonstop1h 39mUnited Airlines
Deal found 12/8C$ 204
Sat 1/115:30 p.m.YYZ - ORD
Nonstop2h 09mUnited Airlines
Fri 7/119:20 p.m.ORD - YYZ
Nonstop1h 39mUnited Airlines
Deal found 12/8C$ 208
Sun 12/102:10 p.m.YYZ - ORD
Nonstop1h 54mAir Canada
Sun 30/118:00 a.m.ORD - YYZ
Nonstop1h 40mAir Canada
Deal found 14/8C$ 219
Thu 2/106:35 p.m.YYZ - ORD
Nonstop1h 54mAir Canada
Sun 5/108:25 p.m.ORD - YYZ
Nonstop1h 43mAir Canada
Deal found 13/8C$ 222
Thu 2/104:40 p.m.YYZ - ORD
Nonstop1h 53mAir Canada
Mon 6/108:25 p.m.ORD - YYZ
Nonstop1h 43mAir Canada
Deal found 12/8C$ 225
Wed 1/1012:20 p.m.YYZ - ORD
Nonstop1h 54mAir Canada
Sat 4/103:50 p.m.ORD - YYZ
Nonstop1h 43mAir Canada
Deal found 14/8C$ 229
Sun 5/1012:20 p.m.YYZ - ORD
Nonstop1h 54mAir Canada
Fri 17/108:25 p.m.ORD - YYZ
Nonstop1h 43mAir Canada
Deal found 12/8C$ 237
Fri 5/93:35 p.m.YTZ - MDW
Nonstop1h 49mPorter Airlines
Mon 8/99:35 a.m.MDW - YTZ
Nonstop1h 42mPorter Airlines
Deal found 12/8C$ 240
Fri 26/97:50 a.m.YTZ - MDW
Nonstop1h 49mPorter Airlines
Tue 30/95:20 p.m.MDW - YTZ
Nonstop1h 42mPorter Airlines
Deal found 14/8C$ 241
Thu 2/107:50 a.m.YTZ - MDW
Nonstop1h 49mPorter Airlines
Sun 5/109:35 a.m.MDW - YTZ
Nonstop1h 42mPorter Airlines
Deal found 12/8C$ 243
Wed 3/97:50 a.m.YTZ - MDW
Nonstop1h 49mPorter Airlines
Tue 23/95:20 p.m.MDW - YTZ
Nonstop1h 42mPorter Airlines
Deal found 13/8C$ 247

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 14 August 2025.
Use the filters below to find and compare flights from Toronto to Illinois that are best for you.

Fly from

Toronto

Fly to

Illinois

Route

Depart

Return

Price

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Sat 1/11

8:55 a.m.-10:00 a.m.

Nonstop2h 05m

Chicago O'Hare Intl

Sat 8/11

1:19 p.m.-4:02 p.m.

Nonstop1h 43m

C$ 208

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Wed 29/10

2:15 p.m.-3:10 p.m.

Nonstop1h 55m

Chicago O'Hare Intl

Thu 6/11

8:15 p.m.-10:54 p.m.

Nonstop1h 39m

C$ 208

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Thu 6/11

7:40 p.m.-11:43 p.m.

1 stop5h 03m

Chicago O'Hare Intl

Mon 10/11

6:28 p.m.-9:21 p.m.

Nonstop1h 53m

C$ 223

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Thu 2/10

2:10 p.m.-3:04 p.m.

Nonstop1h 54m

Chicago O'Hare Intl

Sun 5/10

8:25 p.m.-11:08 p.m.

Nonstop1h 43m

C$ 229

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Tue 7/10

2:10 p.m.-3:04 p.m.

Nonstop1h 54m

Chicago O'Hare Intl

Tue 21/10

8:25 p.m.-11:08 p.m.

Nonstop1h 43m

C$ 237

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Wed 8/10

6:35 p.m.-7:29 p.m.

Nonstop1h 54m

Chicago O'Hare Intl

Sun 19/10

3:50 p.m.-6:33 p.m.

Nonstop1h 43m

C$ 237

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Tue 7/10

6:35 p.m.-7:29 p.m.

Nonstop1h 54m

Chicago O'Hare Intl

Thu 9/10

2:00 p.m.-4:43 p.m.

Nonstop1h 43m

C$ 237

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Fri 24/10

4:40 p.m.-5:33 p.m.

Nonstop1h 53m

Chicago O'Hare Intl

Sun 26/10

3:55 p.m.-6:34 p.m.

Nonstop1h 39m

C$ 237

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Sat 11/10

6:35 p.m.-7:29 p.m.

Nonstop1h 54m

Chicago O'Hare Intl

Tue 14/10

8:25 p.m.-11:08 p.m.

Nonstop1h 43m

C$ 237

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Wed 8/10

6:35 p.m.-7:29 p.m.

Nonstop1h 54m

Chicago O'Hare Intl

Wed 22/10

8:25 p.m.-11:08 p.m.

Nonstop1h 43m

C$ 237

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/8

Showing 1-10 of 60 results
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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, January is the cheapest month in which you can book a flight from Toronto to Illinois (average of C$ 261). Flying from Toronto to Illinois in March is currently the most expensive (average of C$ 352). 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 14 August 2025.

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

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 14 August 2025.

The most flights from YTO to USIL are scheduled on a Thursday (61 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (40 on average).

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

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 14 August 2025.
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.
Porter Airlines
8.0
Very good
332 reviews
Check prices

Comfort

8.0

Entertainment

7.0

Crew

8.7

Food

7.6

Boarding

8.2

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience
Porter Airlines
8.0
Very good
332 reviews
Porter Airlines
8.0
Very good
332 reviews
Check prices

Comfort

8.0

Entertainment

7.0

Crew

8.7

Food

7.6

Boarding

8.2

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience
Air Transat
7.7
Good
427 reviews
Porter Airlines
8.0
Very good
332 reviews
Check prices

Comfort

8.0

Entertainment

7.0

Crew

8.7

Food

7.6

Boarding

8.2

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience
United Airlines
7.4
Good
8,916 reviews
Porter Airlines
8.0
Very good
332 reviews
Check prices

Comfort

8.0

Entertainment

7.0

Crew

8.7

Food

7.6

Boarding

8.2

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience
American Airlines
7.2
Good
10,000 reviews
Porter Airlines
8.0
Very good
332 reviews
Check prices

Comfort

8.0

Entertainment

7.0

Crew

8.7

Food

7.6

Boarding

8.2

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience
Air Canada
7.1
Good
9,949 reviews
Porter Airlines
8.0
Very good
332 reviews
Check prices

Comfort

8.0

Entertainment

7.0

Crew

8.7

Food

7.6

Boarding

8.2

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience

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.

  • 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$ 146 on American Airlines. Other airlines that offer cheap prices include Porter Airlines from C$ 146 and Air Canada from C$ 152 one-way.

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

    When deciding which route to take from Toronto to Illinois consider Toronto Pearson Intl - Chicago O'Hare Intl, Toronto Pearson Intl - Chicago Midway or Toronto Island - Chicago Midway as they are the most popular.

  • 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 SkyWest Airlines (89%), Egyptair (87%) or Copa Airlines (87%) 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$ 1,510 for a flight from Toronto to Illinois. The cheapest flight overall is C$ 194 while the most popular route, (Toronto Pearson Intl - Chicago O'Hare Intl) is currently priced at C$ 203.

  • 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, January is the cheapest month in which you can book a flight from Toronto to Illinois (average of C$ 261). Flying from Toronto to Illinois in March is currently the most expensive (average of C$ 352). 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.
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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 14 August 2025.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapestC$ 202AverageC$ 329FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
Air CanadaCheapestC$ 265AverageC$ 439FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapestC$ 282AverageC$ 425FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
American AirlinesCheapestC$ 289AverageC$ 494FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
WestJetCheapestC$ 422AverageC$ 591FlexibilityNo cancel feeOn-time60%
Search WestJet 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 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.

Can Cheapflights notify me if prices for flights from Toronto to Illinois become cheaper?

Of course! You can now track prices for flights from Toronto to Illinois and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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