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Cheap flights from Toronto to Illinois from C$ 148

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 21/7. Fares are subject to change and may not be available on all flights or dates of travel.
YTO — ORD
17 Jun — 24 Jun1
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 12 June 2025.

Round-trip from

C$ 220

One-way from

C$ 148

Popular in

December

Cheapest in

April

Average price

C$ 346

Good round-trip deal

C$ 228 or less

Good one-way deal

C$ 165 or less
Porter Airlines
  • Porter Airlines
  • 26/6-29/6
  • Nonstop
  • 3h 32m total
  • Toronto to Illinois
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Porter Airlines
  • Porter Airlines
  • 21/7
  • Nonstop
  • 1h 50m total
  • Toronto to Illinois
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (C$ 40 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).
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Average for round-trip flights in June 2025
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Price to beat on a round-trip flight from Toronto (YTO) to Illinois.
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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 12 June 2025.

Thu 26/67:55 a.m.YTZ - MDW
Nonstop1h 50mPorter Airlines
Sun 29/69:40 a.m.MDW - YTZ
Nonstop1h 42mPorter Airlines
Deal found 12/6C$ 220
Wed 10/98:15 a.m.YYZ - ORD
Nonstop1h 53mAir Canada
Fri 12/96:20 p.m.ORD - YYZ
Nonstop1h 42mAir Canada
Deal found 12/6C$ 226
Thu 4/92:30 p.m.YYZ - ORD
1 stop6h 18mUnited Airlines
Wed 10/97:15 a.m.ORD - YYZ
1 stop5h 32mUnited Airlines
Deal found 10/6C$ 235
Sat 30/87:55 a.m.YTZ - MDW
Nonstop1h 50mAir Transat
Fri 12/99:15 a.m.MDW - YTZ
Nonstop1h 42mAir Transat
Deal found 11/6C$ 254
Tue 30/93:45 p.m.YYZ - ORD
1 stop5h 42mAmerican Airlines
Thu 2/109:48 a.m.ORD - YYZ
1 stop6h 27mAmerican Airlines
Deal found 10/6C$ 261
Mon 18/87:55 a.m.YTZ - MDW
Nonstop1h 50mMultiple Airlines
Tue 19/85:20 p.m.MDW - YTZ
Nonstop1h 42mMultiple Airlines
Deal found 11/6C$ 280
Sat 4/1010:25 a.m.YTZ - ORD
1 stop5h 30mAir Canada
Wed 15/108:40 a.m.ORD - YTZ
1 stop5h 05mAir Canada
Deal found 12/6C$ 283
Thu 3/77:00 a.m.YYZ - ORD
Nonstop1h 59mLufthansa
Mon 7/79:14 p.m.ORD - YYZ
Nonstop1h 44mLufthansa
Deal found 11/6C$ 286
Sun 12/1012:15 p.m.YYZ - ORD
1 stop7h 23mDelta
Sat 18/105:45 p.m.ORD - YYZ
1 stop4h 13mDelta
Deal found 11/6C$ 291
Sat 4/1012:15 p.m.YYZ - MDW
1 stop7h 21mDelta
Wed 15/109:30 a.m.MDW - YYZ
1 stop6h 53mDelta
Deal found 11/6C$ 291
Fri 25/74:00 p.m.YYZ - ORD
1 stop6h 30mMultiple Airlines
Fri 1/86:20 p.m.ORD - YYZ
Nonstop1h 44mMultiple Airlines
Deal found 10/6C$ 340
Mon 21/77:25 p.m.YYZ - ORD
1 stop12h 58mPorter Airlines
Sun 27/75:55 p.m.ORD - YYZ
Nonstop1h 49mPorter Airlines
Deal found 12/6C$ 358

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 12 June 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 26/6

7:55 a.m.-8:45 a.m.

Nonstop1h 50m

Chicago Midway

Sun 29/6

9:40 a.m.-12:22 p.m.

Nonstop1h 42m

C$ 220

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Wed 10/9

8:15 a.m.-9:08 a.m.

Nonstop1h 53m

Chicago O'Hare Intl

Fri 12/9

6:20 p.m.-9:02 p.m.

Nonstop1h 42m

C$ 226

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Thu 4/9

2:30 p.m.-7:48 p.m.

1 stop6h 18m

Chicago O'Hare Intl

Wed 10/9

7:15 a.m.-1:47 p.m.

1 stop5h 32m

C$ 235

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Tue 30/9

3:45 p.m.-8:27 p.m.

1 stop5h 42m

Chicago O'Hare Intl

Thu 2/10

9:48 a.m.-5:15 p.m.

1 stop6h 27m

C$ 261

TorontoChicago

YTZ - MDW

YTZMDW

Toronto Island

Thu 26/6

7:55 a.m.-8:45 a.m.

Nonstop1h 50m

Chicago Midway

Mon 30/6

9:40 a.m.-12:20 p.m.

Nonstop1h 40m

C$ 261

TorontoChicago

YTZ - MDW

YTZMDW

Toronto Island

Mon 18/8

7:55 a.m.-8:45 a.m.

Nonstop1h 50m

Chicago Midway

Tue 19/8

5:20 p.m.-8:02 p.m.

Nonstop1h 42m

C$ 280

TorontoChicago

YTZ - ORD

YTZORD

Toronto Island

Sat 4/10

10:25 a.m.-2:55 p.m.

1 stop5h 30m

Chicago O'Hare Intl

Wed 15/10

10:40 a.m.-4:45 p.m.

1 stop5h 05m

C$ 283

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Thu 3/7

7:00 a.m.-7:59 a.m.

Nonstop1h 59m

Chicago O'Hare Intl

Mon 7/7

9:14 p.m.-11:58 p.m.

Nonstop1h 44m

C$ 286

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Sun 12/10

12:15 p.m.-6:38 p.m.

1 stop7h 23m

Chicago O'Hare Intl

Sat 18/10

5:45 p.m.-10:58 p.m.

1 stop4h 13m

C$ 291

TorontoChicago

YYZ - MDW

YYZMDW

Toronto Pearson Intl

Sat 4/10

12:15 p.m.-6:36 p.m.

1 stop7h 21m

Chicago Midway

Wed 15/10

9:30 a.m.-5:23 p.m.

1 stop6h 53m

C$ 291

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/6

Showing 1-10 of 59 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 12 June 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 12 June 2025.

The most flights from YTO to USIL are scheduled on a Thursday (60 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (33 on average).

Rainfall in Illinois by month

Plan your trip to Illinois by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Illinois ranges from 43.0 - 125.0 mm per month. August is typically the wettest month, when rainfall can reach 125.0 mm. January is typically the driest time to visit Illinois when rainfall is around 43.0 mm.

Temperature in Illinois by month

Plan your trip to Illinois by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Illinois, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 23.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -5.0 C).

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 12 June 2025.
Read reviews from past customers who have flown Porter Airlines, Delta and KLM from Toronto to Illinois. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Porter Airlines
8.0
Very good
288 reviews
Check prices

Overall

8.0

Entertainment

7.0

Comfort

8.1

Food

7.6

Boarding

8.2

Crew

8.7

Reviews

1 / 20
4.0
Okay

Mary,Jun 2025

FLL - YYZ

Fort Lauderdale staff was not helpful at all to try to accommodate my husband and myself to sit together. Also very surprised to get charged USD53 for each of our checked luggage, as when we booked the tickets online, the website indicated that our first checked luggage will be charged CAD50!! Very misleading!!!
Porter Airlines
8.0
Very good
288 reviews
Porter Airlines
8.0
Very good
288 reviews
Check prices

Overall

8.0

Entertainment

7.0

Comfort

8.1

Food

7.6

Boarding

8.2

Crew

8.7

Reviews

1 / 20
4.0
Okay

Mary,Jun 2025

FLL - YYZ

Fort Lauderdale staff was not helpful at all to try to accommodate my husband and myself to sit together. Also very surprised to get charged USD53 for each of our checked luggage, as when we booked the tickets online, the website indicated that our first checked luggage will be charged CAD50!! Very misleading!!!
Delta
8.0
Very good
7,946 reviews
Porter Airlines
8.0
Very good
288 reviews
Check prices

Overall

8.0

Entertainment

7.0

Comfort

8.1

Food

7.6

Boarding

8.2

Crew

8.7

Reviews

1 / 20
4.0
Okay

Mary,Jun 2025

FLL - YYZ

Fort Lauderdale staff was not helpful at all to try to accommodate my husband and myself to sit together. Also very surprised to get charged USD53 for each of our checked luggage, as when we booked the tickets online, the website indicated that our first checked luggage will be charged CAD50!! Very misleading!!!
KLM
7.8
Good
1,358 reviews
Porter Airlines
8.0
Very good
288 reviews
Check prices

Overall

8.0

Entertainment

7.0

Comfort

8.1

Food

7.6

Boarding

8.2

Crew

8.7

Reviews

1 / 20
4.0
Okay

Mary,Jun 2025

FLL - YYZ

Fort Lauderdale staff was not helpful at all to try to accommodate my husband and myself to sit together. Also very surprised to get charged USD53 for each of our checked luggage, as when we booked the tickets online, the website indicated that our first checked luggage will be charged CAD50!! Very misleading!!!
Air Transat
7.8
Good
396 reviews
Porter Airlines
8.0
Very good
288 reviews
Check prices

Overall

8.0

Entertainment

7.0

Comfort

8.1

Food

7.6

Boarding

8.2

Crew

8.7

Reviews

1 / 20
4.0
Okay

Mary,Jun 2025

FLL - YYZ

Fort Lauderdale staff was not helpful at all to try to accommodate my husband and myself to sit together. Also very surprised to get charged USD53 for each of our checked luggage, as when we booked the tickets online, the website indicated that our first checked luggage will be charged CAD50!! Very misleading!!!
United Airlines
7.4
Good
8,790 reviews
Porter Airlines
8.0
Very good
288 reviews
Check prices

Overall

8.0

Entertainment

7.0

Comfort

8.1

Food

7.6

Boarding

8.2

Crew

8.7

Reviews

1 / 20
4.0
Okay

Mary,Jun 2025

FLL - YYZ

Fort Lauderdale staff was not helpful at all to try to accommodate my husband and myself to sit together. Also very surprised to get charged USD53 for each of our checked luggage, as when we booked the tickets online, the website indicated that our first checked luggage will be charged CAD50!! Very misleading!!!

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$ 148 on Porter Airlines. Other airlines that offer cheap prices include United Airlines from C$ 152 and Air Canada from C$ 154 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 Island - Chicago Midway or Toronto Pearson Intl - 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 (98%), Republic Airways (92%) or Copa Airlines (91%) 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$ 2,717 for a flight from Toronto to Illinois. The cheapest flight overall is C$ 180 while the most popular route, (Toronto Pearson Intl - Chicago O'Hare Intl) is currently priced at C$ 201.

  • 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 12 June 2025.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapestC$ 232AverageC$ 354FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
American AirlinesCheapestC$ 278AverageC$ 512FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Air CanadaCheapestC$ 283AverageC$ 387FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapestC$ 302AverageC$ 637FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
WestJetCheapestC$ 423AverageC$ 631FlexibilityNo 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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