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Cheap flights from Toronto to Illinois from C$ 185

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 21/4. Fares are subject to change and may not be available on all flights or dates of travel.
YTO — ORD
26 Feb — 5 Mar1
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 21 February 2025.

Round-trip from

C$ 294

One-way from

C$ 186

Popular in

December

Cheapest in

April

Average price

C$ 405

Good round-trip deal

C$ 282 or less

Good one-way deal

C$ 175 or less
Porter Airlines
  • Porter Airlines
  • 19/3-22/3
  • Nonstop
  • 3h 32m total
  • Toronto to Illinois
Search Deals
17/3
  • 17/3
  • 1 total stop
  • 24h 13m total
  • Toronto to Illinois
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (C$ 26 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 6 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 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.
Search Deals

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 21 February 2025.

Sat 24/54:00 p.m.YYZ - ORD
1 stop5h 12mAir Canada
Sat 7/610:40 a.m.ORD - YYZ
1 stop6h 18mAir Canada
Deal found 20/2C$ 290
Thu 20/33:50 p.m.YTZ - MDW
Nonstop1h 50mPorter Airlines
Mon 24/35:35 p.m.MDW - YTZ
Nonstop1h 42mPorter Airlines
Deal found 19/2C$ 290
Sat 24/510:25 a.m.YTZ - ORD
1 stop5h 30mAir Canada
Sat 7/610:40 a.m.ORD - YTZ
1 stop6h 10mAir Canada
Deal found 20/2C$ 290
Thu 13/39:00 p.m.YYZ - ORD
Nonstop2h 06mMultiple Airlines
Thu 10/47:10 a.m.ORD - YYZ
Nonstop1h 48mMultiple Airlines
Deal found 19/2C$ 315
Thu 20/33:50 p.m.YTZ - MDW
Nonstop1h 50mAir Transat
Thu 27/35:35 p.m.MDW - YTZ
Nonstop1h 42mAir Transat
Deal found 18/2C$ 317
Fri 18/49:30 a.m.YTZ - MDW
Nonstop1h 50mMultiple Airlines
Sat 19/412:55 p.m.MDW - YTZ
Nonstop1h 42mMultiple Airlines
Deal found 20/2C$ 347
Sat 12/46:30 a.m.YYZ - MDW
1 stop13h 03mWestJet
Mon 21/41:16 p.m.MDW - YYZ
1 stop21h 18mWestJet
Deal found 20/2C$ 347
Sat 26/412:45 p.m.YYZ - ORD
1 stop4h 59mUnited Airlines
Wed 30/411:15 a.m.ORD - YYZ
1 stop4h 54mUnited Airlines
Deal found 20/2C$ 349
Thu 20/310:20 a.m.YYZ - MDW
1 stop3h 16mDelta
Mon 24/32:55 p.m.MDW - YYZ
1 stop6h 43mDelta
Deal found 19/2C$ 351
Fri 18/49:45 a.m.YYZ - ORD
1 stop7h 23mDelta
Sat 19/45:00 p.m.ORD - YYZ
1 stop4h 55mDelta
Deal found 20/2C$ 359
Fri 28/26:15 a.m.YYZ - ORD
1 stop10h 54mWestJet
Sun 2/32:35 p.m.ORD - YYZ
1 stop7h 17mWestJet
Deal found 20/2C$ 395
Wed 2/41:05 p.m.YTZ - ORD
2 stops11h 54mMultiple Airlines
Sat 12/46:36 p.m.ORD - YTZ
1 stop23h 24mMultiple Airlines
Deal found 19/2C$ 413

Find flights from Toronto to Illinois within your budget

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 21 February 2025.

Fly from

Toronto

Fly to

Illinois

Route

Depart

Return

Price

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Sat 24/5

4:00 p.m.-8:12 p.m.

1 stop5h 12m

Chicago O'Hare Intl

Sat 7/6

10:40 a.m.-5:58 p.m.

1 stop6h 18m

C$ 290

TorontoChicago

YTZ - MDW

YTZMDW

Toronto Island

Thu 20/3

3:50 p.m.-4:40 p.m.

Nonstop1h 50m

Chicago Midway

Mon 24/3

5:35 p.m.-8:17 p.m.

Nonstop1h 42m

C$ 290

TorontoChicago

YTZ - ORD

YTZORD

Toronto Island

Sat 24/5

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

1 stop5h 30m

Chicago O'Hare Intl

Sat 7/6

10:40 a.m.-5:50 p.m.

1 stop6h 10m

C$ 290

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Thu 13/3

9:00 p.m.-10:06 p.m.

Nonstop2h 06m

Chicago O'Hare Intl

Thu 10/4

7:10 a.m.-9:58 a.m.

Nonstop1h 48m

C$ 315

TorontoChicago

YTZ - MDW

YTZMDW

Toronto Island

Mon 17/3

9:30 a.m.-10:20 a.m.

Nonstop1h 50m

Chicago Midway

Thu 20/3

5:35 p.m.-8:17 p.m.

Nonstop1h 42m

C$ 325

TorontoChicago

YYZ - MDW

YYZMDW

Toronto Pearson Intl

Sat 12/4

6:30 a.m.-6:33 p.m.

1 stop13h 03m

Chicago Midway

Sun 20/4

10:20 a.m.-11:34 a.m.

1 stop24h 14m

C$ 347

TorontoChicago

YTZ - MDW

YTZMDW

Toronto Island

Fri 18/4

9:30 a.m.-10:20 a.m.

Nonstop1h 50m

Chicago Midway

Sat 19/4

12:55 p.m.-3:37 p.m.

Nonstop1h 42m

C$ 347

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Sat 26/4

12:45 p.m.-4:44 p.m.

1 stop4h 59m

Chicago O'Hare Intl

Wed 30/4

11:15 a.m.-5:09 p.m.

1 stop4h 54m

C$ 349

TorontoChicago

YYZ - MDW

YYZMDW

Toronto Pearson Intl

Thu 20/3

10:20 a.m.-12:36 p.m.

1 stop3h 16m

Chicago Midway

Mon 24/3

2:55 p.m.-10:38 p.m.

1 stop6h 43m

C$ 351

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Fri 18/4

9:45 a.m.-4:08 p.m.

1 stop7h 23m

Chicago O'Hare Intl

Sat 19/4

5:00 p.m.-10:55 p.m.

1 stop4h 55m

C$ 359

Flights are sorted by cheapest round-trip flights first.

Deals found on 20/2

Showing 1-10 of 54 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.

Travel insights for flights from Toronto to Illinois

Get recent, data-driven insights about flights from Toronto to Illinois including ideal travel times, pricing trends, and more.

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$ 355). 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 21 February 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 21 February 2025.

The most flights from YTO to USIL are scheduled on a Thursday (53 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (38 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 21 February 2025.
Read reviews from past customers who have flown Alaska Airlines, Delta and Porter Airlines 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.
Alaska Airlines
8.0
Very good
9,692 reviews
Check prices

Entertainment

7.1

Overall

8.0

Food

7.1

Crew

8.5

Boarding

8.2

Comfort

7.9

Reviews

1 / 20

10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Alaska Airlines
8.0
Very good
9,692 reviews
Alaska Airlines
8.0
Very good
9,692 reviews
Check prices

Entertainment

7.1

Overall

8.0

Food

7.1

Crew

8.5

Boarding

8.2

Comfort

7.9

Reviews

1 / 20

10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Delta
8.0
Very good
8,220 reviews
Alaska Airlines
8.0
Very good
9,692 reviews
Check prices

Entertainment

7.1

Overall

8.0

Food

7.1

Crew

8.5

Boarding

8.2

Comfort

7.9

Reviews

1 / 20

10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Porter Airlines
7.9
Good
276 reviews
Alaska Airlines
8.0
Very good
9,692 reviews
Check prices

Entertainment

7.1

Overall

8.0

Food

7.1

Crew

8.5

Boarding

8.2

Comfort

7.9

Reviews

1 / 20

10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

KLM
7.8
Good
1,333 reviews
Alaska Airlines
8.0
Very good
9,692 reviews
Check prices

Entertainment

7.1

Overall

8.0

Food

7.1

Crew

8.5

Boarding

8.2

Comfort

7.9

Reviews

1 / 20

10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Air Transat
7.8
Good
380 reviews
Alaska Airlines
8.0
Very good
9,692 reviews
Check prices

Entertainment

7.1

Overall

8.0

Food

7.1

Crew

8.5

Boarding

8.2

Comfort

7.9

Reviews

1 / 20

10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

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$ 186 on Porter Airlines. Other airlines that offer cheap prices include Air Canada from C$ 192 and United Airlines from C$ 193 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 Emirates (90%), Republic Airways (89%) or ANA (84%) 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$ 1,415 for a flight from Toronto to Illinois. The cheapest flight overall is C$ 189 while the most popular route, (Toronto Pearson Intl - Chicago O'Hare Intl) is currently priced at C$ 304.

  • 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$ 355). 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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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 21 February 2025.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapestC$ 267AverageC$ 367FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
Air CanadaCheapestC$ 315AverageC$ 431FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapestC$ 350AverageC$ 759FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
American AirlinesCheapestC$ 354AverageC$ 541FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
WestJetCheapestC$ 450AverageC$ 611FlexibilityNo 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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