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Cheap flights from Toronto to Illinois from C$ 157

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 9/1. Fares are subject to change and may not be available on all flights or dates of travel.
YTO — ORD
25 Jan — 1 Feb1
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 26 December 2025.

Wed 31/125:30 p.m.YYZ - ORD
Nonstop2h 20mUnited Airlines
Sun 15/29:15 p.m.ORD - YYZ
Nonstop1h 44mUnited Airlines
Deal found 23/12C$ 382
Wed 31/126:00 a.m.YYZ - ORD
1 stop10h 21mDelta
Sun 15/25:37 p.m.ORD - YYZ
1 stop4h 03mDelta
Deal found 23/12C$ 391
Wed 31/129:15 a.m.YTZ - MDW
Nonstop1h 50mPorter Airlines
Sun 4/111:00 a.m.MDW - YTZ
Nonstop1h 42mPorter Airlines
Deal found 24/12C$ 436
Wed 31/129:15 a.m.YTZ - MDW
Nonstop1h 50mPorter Airlines
Sat 3/14:15 p.m.MDW - YTZ
Nonstop1h 42mPorter Airlines
Deal found 23/12C$ 461
Wed 31/125:30 p.m.YYZ - ORD
Nonstop2h 20mUnited Airlines
Mon 5/14:15 p.m.ORD - YYZ
1 stop5h 02mUnited Airlines
Deal found 23/12C$ 498
Wed 31/1212:34 p.m.YYZ - ORD
1 stop5h 56mAmerican Airlines
Fri 2/111:35 a.m.ORD - YYZ
1 stop4h 04mAmerican Airlines
Deal found 23/12C$ 505
Wed 31/127:40 p.m.YYZ - ORD
1 stop5h 04mUnited Airlines
Thu 1/18:51 a.m.ORD - YYZ
1 stop13h 55mUnited Airlines
Deal found 23/12C$ 506
Wed 31/1212:34 p.m.YYZ - ORD
1 stop5h 56mAmerican Airlines
Sun 4/16:09 a.m.ORD - YYZ
1 stop9h 30mAmerican Airlines
Deal found 23/12C$ 518
Tue 30/1211:00 a.m.YYZ - ORD
Nonstop2h 05mAir Canada
Sun 15/26:28 p.m.ORD - YYZ
Nonstop1h 53mAir Canada
Deal found 23/12C$ 529
Wed 31/129:00 a.m.YYZ - ORD
Nonstop2h 05mAir Canada
Sun 4/11:13 p.m.ORD - YYZ
Nonstop1h 49mAir Canada
Deal found 24/12C$ 548
Wed 31/129:00 p.m.YYZ - ORD
Nonstop2h 05mAir Canada
Fri 2/12:01 p.m.ORD - YYZ
1 stop5h 45mAir Canada
Deal found 23/12C$ 557
Tue 30/129:15 a.m.YTZ - MDW
Nonstop1h 50mPorter Airlines
Sun 8/24:15 p.m.MDW - YTZ
Nonstop1h 42mPorter Airlines
Deal found 24/12C$ 567

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 26 December 2025.

Round-trip from

C$ 246

One-way from

C$ 157

Popular in

December

Cheapest in

July

Average price

C$ 444

Good round-trip deal

C$ 251 or less

Good one-way deal

C$ 175 or less
Air Transat
  • Air Transat
  • 13/2-26/2
  • Nonstop
  • 3h 32m total
  • Toronto to Illinois
Search Deals
Porter Airlines
  • Porter Airlines
  • 9/1
  • Nonstop
  • 1h 50m total
  • Toronto to Illinois
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (C$ 52 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 13 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals
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.
Search Deals

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 26 December 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

YTZ - MDW

YTZMDW

Toronto Island

Thu 19/2

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

Nonstop1h 50m

Chicago Midway

Wed 25/2

11:05 a.m.-1:47 p.m.

Nonstop1h 42m

C$ 249

TorontoChicago

YTZ - MDW

YTZMDW

Toronto Island

Sun 11/1

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

Nonstop1h 50m

Chicago Midway

Thu 22/1

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

Nonstop1h 42m

C$ 250

TorontoChicago

YTZ - MDW

YTZMDW

Toronto Island

Sat 7/2

11:00 a.m.-11:50 a.m.

Nonstop1h 50m

Chicago Midway

Sat 14/2

12:50 p.m.-3:32 p.m.

Nonstop1h 42m

C$ 254

TorontoChicago

YTZ - MDW

YTZMDW

Toronto Island

Wed 28/1

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

Nonstop1h 50m

Chicago Midway

Mon 2/2

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

Nonstop1h 42m

C$ 256

TorontoChicago

YTZ - MDW

YTZMDW

Toronto Island

Wed 28/1

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

Nonstop1h 50m

Chicago Midway

Sun 1/2

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

Nonstop1h 42m

C$ 256

TorontoChicago

YTZ - MDW

YTZMDW

Toronto Island

Fri 30/1

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

Nonstop1h 50m

Chicago Midway

Sun 1/2

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

Nonstop1h 42m

C$ 256

TorontoChicago

YTZ - MDW

YTZMDW

Toronto Island

Sun 11/1

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

Nonstop1h 50m

Chicago Midway

Sat 14/2

12:45 p.m.-3:27 p.m.

Nonstop1h 42m

C$ 256

TorontoChicago

YTZ - MDW

YTZMDW

Toronto Island

Sun 11/1

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

Nonstop1h 50m

Chicago Midway

Sun 15/2

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

Nonstop1h 42m

C$ 256

TorontoChicago

YTZ - MDW

YTZMDW

Toronto Island

Thu 26/3

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

Nonstop1h 50m

Chicago Midway

Sun 29/3

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

Nonstop1h 42m

C$ 257

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Mon 26/1

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

Nonstop2h 05m

Chicago O'Hare Intl

Tue 3/2

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

Nonstop1h 44m

C$ 264

Flights are sorted by cheapest round-trip flights first.

Deals found on 24/12

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, April is the cheapest month in which you can book a flight from Toronto to Illinois (average of C$ 112). Flying from Toronto to Illinois in February is currently the most expensive (average of C$ 252). 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 26 December 2025.

A simple way to save on the total cost of your ticket is to fly from Toronto to Illinois in the afternoon. If you’re flexible enough to do this you can expect to save up to 18% on your trip compared to booking a flight at noon.

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 16 December 2024.

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

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 26 December 2025.

The most flights from YTO to USIL are scheduled on a Thursday (44 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (34 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 26 December 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
401 reviews
Check prices

Food

7.6

Boarding

8.2

Entertainment

7.0

Crew

8.6

Overall

8.0

Comfort

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
401 reviews
Porter Airlines
8.0
Very good
401 reviews
Check prices

Food

7.6

Boarding

8.2

Entertainment

7.0

Crew

8.6

Overall

8.0

Comfort

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 Transat
7.7
Good
485 reviews
Porter Airlines
8.0
Very good
401 reviews
Check prices

Food

7.6

Boarding

8.2

Entertainment

7.0

Crew

8.6

Overall

8.0

Comfort

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
9,115 reviews
Porter Airlines
8.0
Very good
401 reviews
Check prices

Food

7.6

Boarding

8.2

Entertainment

7.0

Crew

8.6

Overall

8.0

Comfort

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
11,064 reviews
Porter Airlines
8.0
Very good
401 reviews
Check prices

Food

7.6

Boarding

8.2

Entertainment

7.0

Crew

8.6

Overall

8.0

Comfort

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
10,562 reviews
Porter Airlines
8.0
Very good
401 reviews
Check prices

Food

7.6

Boarding

8.2

Entertainment

7.0

Crew

8.6

Overall

8.0

Comfort

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 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. This flight may include one or multiple stops.

  • 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$ 127 on Porter Airlines. Other airlines that offer cheap prices include United Airlines from C$ 160 and Air Canada from C$ 161 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 EVA Air (83%), Japan Airlines (80%) or Egyptair (78%) 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$ 1,738 for a flight from Toronto to Illinois. The cheapest flight overall is C$ 144 while the most popular route, (Toronto Pearson Intl - Chicago O'Hare Intl) is currently priced at C$ 235.

  • 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, April is the cheapest month in which you can book a flight from Toronto to Illinois (average of C$ 112). Flying from Toronto to Illinois in February is currently the most expensive (average of C$ 252). 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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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 26 December 2025.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapestC$ 194AverageC$ 309FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
Air CanadaCheapestC$ 255AverageC$ 403FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
American AirlinesCheapestC$ 257AverageC$ 418FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
United AirlinesCheapestC$ 261AverageC$ 404FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
WestJetCheapestC$ 365AverageC$ 488FlexibilityNo 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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