What are the cheapest airlines to fly from Illinois to Toronto Pearson Intl Airport one-way?

For one-way options, check prices for Air Canada. According to our data, you can fly for as low as C$ 97. Users have also found prices from C$ 102 and C$ 107 on United Airlines and American Airlines, respectively.

In terms of precipitation, rainfall in Toronto Pearson Intl Airport ranges from 51.0 - 83.0 mm per month. June is typically the wettest month, when rainfall can reach 83.0 mm. February is typically the driest time to visit Toronto Pearson Intl Airport when rainfall is around 51.0 mm.

If weather is an important factor for your trip to Toronto Pearson Intl Airport, 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 21.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -6.0 C).

What are the most popular routes from Illinois to Toronto Pearson Intl Airport?

Most travellers choose Chicago O'Hare Intl - Toronto Pearson Intl, Chicago Midway - Toronto Pearson Intl or Lambert-St Louis - Toronto Pearson Intl when deciding on the best route from Illinois to Toronto Pearson Intl Airport.

What are the cheapest flights from Illinois to Toronto Pearson Intl Airport?

Looking at all options, your cheapest flight can be booked for C$ 92. While the most popular route (Chicago O'Hare Intl - Toronto Pearson Intl) can be booked for C$ 232 on average our data indicates C$ 211 when flying from Illinois to Toronto Pearson Intl Airport.

What are the most reliable airlines from Illinois to Toronto Pearson Intl Airport?

Consider SkyWest Airlines (91%), Envoy Air (84%) or Japan Airlines (80%) when booking your flight. These represent the most reliable airlines when flying from Illinois to Toronto Pearson Intl Airport.

How far in advance should I book a flight from Illinois to Toronto Pearson Intl Airport?

Users have found that booking a flight from Illinois to Toronto Pearson Intl Airport at least 46 days early can save you up to 113% on average compared to booking a flight this week. If booking 46 days before your flight isn’t an option for you, users have found flights from Illinois to Toronto Pearson Intl Airport for as little as C$ 476 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as C$ 606 for flights departing within the next 3 days.

What is the cheapest month to fly from Illinois to Toronto Pearson Intl Airport?

The best pricing can be found in the month of August. Prices to Toronto Pearson Intl Airport from Illinois average C$ 401. You can even find prices in August for less than C$ 401, as users have found deals to Toronto Pearson Intl Airport from as low as C$ 180. The month of November appears to be one of the more expensive times to travel to Toronto Pearson Intl Airport from Illinois. Flying in the targeted month can save you up to 17%.

Can I find deals for flights from Illinois to Pearson Intl that include hotel bookings?

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

How can I find direct flights from Illinois to Pearson Intl?

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

Can I find deals for business class flights from Illinois to Pearson Intl?

Yes. Cheapflights offers flight deals from Illinois to Pearson Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

C$ 97+ Flights from Illinois to Toronto Pearson Intl Airport

Cheap flight deals from Illinois to Pearson Intl

Round-trip from	C$ 239
One-way from	C$ 97
Popular in	November
Cheapest in	August
Average price	C$ 358
Good round-trip deal	C$ 115 or less
Good one-way deal	C$ 133 or less

United Airlines
3/9-3/9
1 total stop
6h 26m total
Illinois to Toronto

Search Deals

Air Canada
8/10
Nonstop
1h 42m total
Illinois to Toronto

Search Deals

Highest demand for flights based on searches. 7% potential increase in price (C$ 44 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease (C$ 10 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in August 2025

Search Deals

Price to beat on a round-trip flight from Illinois to Toronto Pearson Intl.

Search Deals

Price to beat on a one-way flight from Illinois to Toronto Pearson Intl.

Search Deals

Find flight deals from Illinois to Pearson Intl

Cheapest flights from Illinois to Pearson Intl
Explore the most affordable flight options available from Illinois to Pearson Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 1 August 2025.

Wed 3/98:50 a.m.ORD - YYZ

1 stop4h 29mUnited Airlines

Wed 3/95:15 p.m.YYZ - ORD

Nonstop1h 57mUnited Airlines

Deal found 30/7C$ 239

Sat 13/912:00 p.m.ORD - YYZ

Nonstop1h 38mAir Canada

Sat 20/92:10 p.m.YYZ - ORD

Nonstop1h 54mAir Canada

Deal found 30/7C$ 241

Wed 3/96:10 a.m.ORD - YYZ

1 stop4h 49mAmerican Airlines

Wed 3/93:45 p.m.YYZ - ORD

1 stop5h 42mAmerican Airlines

Deal found 30/7C$ 262

Sat 13/96:44 p.m.ORD - YYZ

1 stop18h 21mMultiple Airlines

Sat 20/92:10 p.m.YYZ - ORD

Nonstop1h 54mMultiple Airlines

Deal found 30/7C$ 280

Wed 10/99:30 a.m.MDW - YYZ

1 stop6h 53mDelta

Fri 12/912:14 p.m.YYZ - MDW

1 stop7h 21mDelta

Deal found 31/7C$ 322

Sat 4/107:10 a.m.ORD - YYZ

1 stop3h 10mDelta

Sun 12/1012:14 p.m.YYZ - ORD

1 stop7h 00mDelta

Deal found 30/7C$ 324

Thu 21/812:43 p.m.MDW - YYZ

1 stop8h 15mWestJet

Fri 22/811:33 a.m.YYZ - MDW

1 stop11h 11mWestJet

Deal found 31/7C$ 421

Tue 2/98:01 p.m.STL - YYZ

1 stop15h 31mAmerican Airlines

Wed 10/93:11 p.m.YYZ - STL

1 stop7h 42mAmerican Airlines

Deal found 30/7C$ 477

Thu 4/912:05 p.m.STL - YYZ

2 stops22h 30mMultiple Airlines

Sat 6/97:00 a.m.YYZ - STL

3 stops28h 50mMultiple Airlines

Deal found 29/7C$ 491

Thu 4/94:05 p.m.STL - YYZ

Nonstop1h 55mAir Canada

Sun 7/96:35 p.m.YYZ - STL

Nonstop2h 03mAir Canada

Deal found 29/7C$ 605

Wed 3/93:20 p.m.STL - YYZ

1 stop7h 38mUnited Airlines

Wed 10/99:00 a.m.YYZ - STL

1 stop7h 44mUnited Airlines

Deal found 30/7C$ 612

Wed 3/99:16 a.m.STL - YYZ

1 stop10h 27mDelta

Thu 11/96:44 p.m.YYZ - STL

1 stop14h 12mDelta

Deal found 30/7C$ 645

Best flights from Illinois to Pearson Intl
Discover carefully curated flight deals from Illinois to Pearson Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 1 August 2025.

Wed 3/98:50 a.m.ORD - YYZ

1 stop4h 29mUnited Airlines

Wed 3/95:15 p.m.YYZ - ORD

Nonstop1h 57mUnited Airlines

Deal found 30/7C$ 239

Sat 13/912:00 p.m.ORD - YYZ

Nonstop1h 38mAir Canada

Sat 20/92:10 p.m.YYZ - ORD

Nonstop1h 54mAir Canada

Deal found 30/7C$ 241

Wed 3/96:10 a.m.ORD - YYZ

1 stop4h 49mAmerican Airlines

Wed 3/93:45 p.m.YYZ - ORD

1 stop5h 42mAmerican Airlines

Deal found 30/7C$ 262

Sat 13/96:44 p.m.ORD - YYZ

1 stop18h 21mMultiple Airlines

Sat 20/92:10 p.m.YYZ - ORD

Nonstop1h 54mMultiple Airlines

Deal found 30/7C$ 280

Wed 10/99:30 a.m.MDW - YYZ

1 stop6h 53mDelta

Fri 12/912:14 p.m.YYZ - MDW

1 stop7h 21mDelta

Deal found 31/7C$ 322

Thu 21/812:43 p.m.MDW - YYZ

1 stop8h 15mWestJet

Fri 22/811:33 a.m.YYZ - MDW

1 stop11h 11mWestJet

Deal found 31/7C$ 421

Sat 4/101:00 p.m.ORD - YYZ

1 stop8h 59mDelta

Sat 11/1012:14 p.m.YYZ - ORD

1 stop4h 57mDelta

Deal found 30/7C$ 324

Tue 2/98:01 p.m.STL - YYZ

1 stop15h 31mAmerican Airlines

Wed 10/93:11 p.m.YYZ - STL

1 stop7h 42mAmerican Airlines

Deal found 30/7C$ 477

Thu 4/912:05 p.m.STL - YYZ

2 stops22h 30mMultiple Airlines

Sat 6/97:00 a.m.YYZ - STL

3 stops28h 50mMultiple Airlines

Deal found 29/7C$ 491

Thu 4/94:05 p.m.STL - YYZ

Nonstop1h 55mAir Canada

Sun 7/96:35 p.m.YYZ - STL

Nonstop2h 03mAir Canada

Deal found 29/7C$ 605

Wed 3/93:20 p.m.STL - YYZ

1 stop7h 38mUnited Airlines

Wed 10/99:00 a.m.YYZ - STL

1 stop7h 44mUnited Airlines

Deal found 30/7C$ 612

Wed 3/99:16 a.m.STL - YYZ

1 stop10h 27mDelta

Thu 11/96:44 p.m.YYZ - STL

1 stop14h 12mDelta

Deal found 30/7C$ 645

Direct flights from Illinois to Pearson Intl
Explore direct flight options from Illinois to Pearson Intl based on user searches, and compare prices and availability for your desired travel dates. Data last updated 1 August 2025.

Sat 13/912:00 p.m.ORD - YYZ

Nonstop1h 38mAir Canada

Sat 20/92:10 p.m.YYZ - ORD

Nonstop1h 54mAir Canada

Deal found 30/7C$ 241

Sat 4/106:01 p.m.ORD - YYZ

Nonstop1h 43mUnited Airlines

Thu 9/107:00 a.m.YYZ - ORD

Nonstop1h 58mUnited Airlines

Deal found 30/7C$ 277

Wed 14/12:50 p.m.ORD - YYZ

Nonstop1h 35mAmerican Airlines

Sun 18/110:35 a.m.YYZ - ORD

Nonstop2h 00mAmerican Airlines

Deal found 29/7C$ 282

Thu 4/99:12 p.m.ORD - YYZ

Nonstop1h 46mLufthansa

Sun 7/97:00 a.m.YYZ - ORD

Nonstop1h 59mLufthansa

Deal found 31/7C$ 304

Thu 11/97:10 a.m.ORD - YYZ

Nonstop1h 48mMultiple Airlines

Wed 17/911:00 a.m.YYZ - ORD

Nonstop2h 03mMultiple Airlines

Deal found 30/7C$ 411

Thu 4/94:05 p.m.STL - YYZ

Nonstop1h 55mAir Canada

Sun 7/96:35 p.m.YYZ - STL

Nonstop2h 03mAir Canada

Deal found 29/7C$ 605

Thu 4/94:05 p.m.STL - YYZ

Nonstop1h 55mUnited Airlines

Sun 7/92:15 p.m.YYZ - STL

Nonstop2h 03mUnited Airlines

Deal found 30/7C$ 1,247

Last-minute flights from Illinois to Pearson Intl
Discover last-minute flight deals from Illinois to Pearson Intl. Data last updated 1 August 2025 and is based on user searches.

Tue 5/83:29 p.m.ORD - YYZ

1 stop7h 30mWestJet

Wed 13/812:48 p.m.YYZ - ORD

1 stop4h 57mWestJet

Deal found 29/7C$ 653

Tue 5/86:48 p.m.STL - YYZ

1 stop13h 22mDelta

Wed 13/86:15 a.m.YYZ - STL

1 stop9h 28mDelta

Deal found 30/7C$ 949

Thu 7/88:52 p.m.ORD - YYZ

1 stop13h 58mSun Country Air

Thu 14/811:40 a.m.YYZ - ORD

1 stop6h 41mSun Country Air

Deal found 30/7C$ 616

Thu 7/85:40 p.m.STL - YYZ

1 stop28h 04mMultiple Airlines

Thu 14/811:15 p.m.YYZ - STL

2 stops25h 32mMultiple Airlines

Deal found 31/7C$ 648

Fri 8/88:25 p.m.ORD - YYZ

Nonstop1h 45mAir Canada

Tue 19/86:15 a.m.YYZ - ORD

1 stop4h 37mAir Canada

Deal found 29/7C$ 472

Fri 8/87:35 a.m.ORD - YYZ

1 stop6h 19mAmerican Airlines

Tue 19/83:45 p.m.YYZ - ORD

1 stop8h 14mAmerican Airlines

Deal found 29/7C$ 498

Fri 8/86:02 p.m.ORD - YYZ

2 stops19h 03mMultiple Airlines

Tue 19/86:30 a.m.YYZ - ORD

1 stop18h 29mMultiple Airlines

Deal found 29/7C$ 513

Fri 8/811:01 a.m.ORD - YYZ

1 stop5h 14mDelta

Mon 11/812:14 p.m.YYZ - ORD

1 stop6h 51mDelta

Deal found 29/7C$ 648

Fri 8/86:01 a.m.STL - YYZ

1 stop11h 30mAmerican Airlines

Sat 16/87:24 a.m.YYZ - STL

1 stop11h 28mAmerican Airlines

Deal found 30/7C$ 1,099

Sat 9/81:46 p.m.MDW - YYZ

1 stop8h 24mDelta

Wed 13/812:14 p.m.YYZ - MDW

1 stop7h 23mDelta

Deal found 30/7C$ 638

Sun 10/89:14 p.m.ORD - YYZ

Nonstop1h 44mUnited Airlines

Wed 20/89:00 a.m.YYZ - ORD

Nonstop1h 55mUnited Airlines

Deal found 30/7C$ 501

Sun 10/812:43 p.m.MDW - YYZ

1 stop10h 16mWestJet

Sat 23/812:48 p.m.YYZ - MDW

1 stop5h 49mWestJet

Deal found 31/7C$ 668

One-way flights from Illinois to Pearson Intl
Search for one-way flight options from Illinois to Pearson Intl. Find affordable one-way fares based on user searches. Data last updated 1 August 2025.

Wed 8/109:55 a.m.ORD - YYZ

Nonstop1h 42mAir Canada

Deal found 31/7C$ 97

Thu 4/99:12 p.m.ORD - YYZ

Nonstop1h 46mUnited Airlines

Deal found 30/7C$ 102

Sat 1/118:15 a.m.ORD - YYZ

1 stop9h 14mAmerican Airlines

Deal found 30/7C$ 107

Sat 13/96:44 p.m.ORD - YYZ

1 stop18h 21mMultiple Airlines

Deal found 30/7C$ 115

Tue 16/99:35 a.m.MDW - YYZ

1 stop6h 48mDelta

Deal found 30/7C$ 123

Tue 19/87:15 a.m.ORD - YYZ

1 stop7h 06mDelta

Deal found 29/7C$ 137

Thu 4/96:10 a.m.ORD - YYZ

2 stops10h 53mWestJet

Deal found 31/7C$ 169

Wed 20/812:43 p.m.MDW - YYZ

1 stop10h 16mWestJet

Deal found 30/7C$ 174

Wed 17/97:23 a.m.STL - YYZ

1 stop9h 20mAmerican Airlines

Deal found 30/7C$ 201

Fri 5/96:21 a.m.MDW - YYZ

1 stop14h 00mMultiple Airlines

Deal found 30/7C$ 205

Thu 23/1010:54 a.m.STL - YYZ

1 stop9h 01mMultiple Airlines

Deal found 30/7C$ 208

Wed 27/89:15 a.m.STL - YYZ

Nonstop2h 00mAir Canada

Deal found 30/7C$ 349

Cheapflights Fare Finder

Use the filters below to find and compare flights from Illinois to Toronto Pearson Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Wed 3/9

8:50 a.m.-2:19 p.m.

1 stop4h 29m

Toronto Pearson Intl

Wed 3/9

5:15 p.m.-6:12 p.m.

Nonstop1h 57m

C$ 239

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Sat 13/9

12:00 p.m.-2:38 p.m.

Nonstop1h 38m

Toronto Pearson Intl

Sat 20/9

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

Nonstop1h 54m

C$ 241

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Wed 3/9

6:10 a.m.-11:59 a.m.

1 stop4h 49m

Toronto Pearson Intl

Wed 3/9

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

1 stop5h 42m

C$ 262

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Sat 13/9

6:44 p.m.-2:05 p.m.

1 stop18h 21m

Toronto Pearson Intl

Sat 20/9

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

Nonstop1h 54m

C$ 280

ChicagoToronto

MDW - YYZ

MDWYYZ

Chicago Midway

Wed 10/9

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

1 stop6h 53m

Toronto Pearson Intl

Fri 12/9

12:14 p.m.-6:35 p.m.

1 stop7h 21m

C$ 322

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Sat 4/10

1:00 p.m.-10:59 p.m.

1 stop8h 59m

Toronto Pearson Intl

Sat 11/10

12:14 p.m.-4:11 p.m.

1 stop4h 57m

C$ 324

ChicagoToronto

MDW - YYZ

MDWYYZ

Chicago Midway

Thu 21/8

12:43 p.m.-9:58 p.m.

1 stop8h 15m

Toronto Pearson Intl

Fri 22/8

11:33 a.m.-9:44 p.m.

1 stop11h 11m

C$ 421

St. LouisToronto

STL - YYZ

STLYYZ

Lambert-St Louis

Tue 2/9

8:01 p.m.-12:32 p.m.

1 stop15h 31m

Toronto Pearson Intl

Wed 10/9

3:11 p.m.-9:53 p.m.

1 stop7h 42m

C$ 477

St. LouisToronto

STL - YYZ

STLYYZ

Lambert-St Louis

Thu 4/9

12:05 p.m.-11:35 a.m.

2 stops22h 30m

Toronto Pearson Intl

Sat 6/9

7:00 a.m.-10:50 a.m.

3 stops28h 50m

C$ 491

St. LouisToronto

STL - YYZ

STLYYZ

Lambert-St Louis

Thu 4/9

4:05 p.m.-7:00 p.m.

Nonstop1h 55m

Toronto Pearson Intl

Sun 7/9

6:35 p.m.-7:38 p.m.

Nonstop2h 03m

C$ 605

Flights are sorted by cheapest round-trip flights first.

Deals found on 31/7

Showing 1-10 of 30 results

Best time to book a flight from Illinois to Pearson Intl

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

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

Currently, January is the cheapest month in which you can book a flight from Illinois to Toronto Pearson Intl Airport (average of C$ 167). Flying from Illinois to Toronto Pearson Intl Airport in July is currently the most expensive (average of C$ 258). 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 IL to YYZ?

When flying from Illinois to Toronto Pearson Intl Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from Illinois to Toronto Pearson Intl Airport

The most flights from USIL to YYZ are scheduled on a Thursday (62 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (42 on average).

Reviews of airlines servicing Pearson Intl

Get a feel of what it's like to fly with Delta,United Airlines, andAmerican Airlines from Illinois to Toronto Pearson Intl Airport by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,981 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Delta

8.0

Very good

7,981 reviews

Delta

8.0

Very good

7,981 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

United Airlines

7.4

Good

8,900 reviews

Delta

8.0

Very good

7,981 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

American Airlines

7.2

Good

10,000 reviews

Delta

8.0

Very good

7,981 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

WestJet

7.2

Good

2,978 reviews

Delta

8.0

Very good

7,981 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Air Canada

7.1

Good

9,851 reviews

Delta

8.0

Very good

7,981 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

What are the cheapest airlines to fly from Illinois to Toronto Pearson Intl Airport one-way?
For one-way options, check prices for Air Canada. According to our data, you can fly for as low as C$ 97. Users have also found prices from C$ 102 and C$ 107 on United Airlines and American Airlines, respectively.
What are the most popular routes from Illinois to Toronto Pearson Intl Airport?
Most travellers choose Chicago O'Hare Intl - Toronto Pearson Intl, Chicago Midway - Toronto Pearson Intl or Lambert-St Louis - Toronto Pearson Intl when deciding on the best route from Illinois to Toronto Pearson Intl Airport.
What are the most reliable airlines from Illinois to Toronto Pearson Intl Airport?
Consider SkyWest Airlines (91%), Envoy Air (84%) or Japan Airlines (80%) when booking your flight. These represent the most reliable airlines when flying from Illinois to Toronto Pearson Intl Airport.
What are the cheapest flights from Illinois to Toronto Pearson Intl Airport?
Looking at all options, your cheapest flight can be booked for C$ 92. While the most popular route (Chicago O'Hare Intl - Toronto Pearson Intl) can be booked for C$ 232 on average our data indicates C$ 211 when flying from Illinois to Toronto Pearson Intl Airport.
Can I find deals for flights from Illinois to Pearson Intl that include hotel bookings?
Yes. In addition to deals on Illinois to Pearson Intl flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Illinois to Pearson Intl?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Illinois to Pearson Intl.
Can I find deals for business class flights from Illinois to Pearson Intl?
Yes. Cheapflights offers flight deals from Illinois to Pearson Intl 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 Illinois to Toronto Pearson Intl Airport?
Currently, January is the cheapest month in which you can book a flight from Illinois to Toronto Pearson Intl Airport (average of C$ 167). Flying from Illinois to Toronto Pearson Intl Airport in July is currently the most expensive (average of C$ 258). 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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Vaughan

Collingwood

Richmond Hill

Barrie

Burlington

Milton

Muskoka

Kitchener

Pickering

Orillia

Brantford

Waterloo

St. Catharines

Cobourg

Peterborough

Cambridge

Oshawa

Browse thousands of different options on Cheapflights for your next trip

Top 2 airlines flying from Illinois to Pearson Intl

Airline	Cheapest	Average	Flexibility	On-time
Air Canada	CheapestC$ 204	AverageC$ 419	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
United Airlines	CheapestC$ 261	AverageC$ 374	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights

Fly with Cheapflights

How does Cheapflights help users find flights from Illinois to Pearson Intl?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Illinois to Pearson Intl. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Illinois to Pearson Intl?

Cheapflights helps you find that perfect flight to Pearson Intl from Illinois by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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

Certainly. Search results for flights to Pearson Intl from Illinois shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

Not ready to book yet? You can track prices for flights from Illinois to Pearson Intl on Cheapflights with our Price Alert feature and get notified when better prices are available.

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Cheap flights from Illinois to Toronto Pearson Intl Airport from C$ 97

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 8/10. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Illinois to Pearson Intl

Keep the following information in mind while searching for Illinois to Pearson Intl flight deals. Data was last updated 1 August 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from Illinois to Pearson Intl

Cheapest flights from Illinois to Pearson IntlExplore the most affordable flight options available from Illinois to Pearson Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 1 August 2025.

Explore the most affordable flight options available from Illinois to Pearson Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 1 August 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Illinois to Toronto Pearson Intl Airport that are best for you.

Best time to book a flight from Illinois to Pearson Intl

Have a flexible travel schedule? Discover the best time to fly to Pearson Intl from Illinois with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Illinois to Toronto Pearson Intl Airport

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

What is the cheapest time of day to fly from IL to YYZ?

Find hourly flight availability from Illinois to Pearson Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 1 August 2025.

Weekly flight availability from Illinois to Toronto Pearson Intl Airport

Explore weekly flight availability from Illinois to Pearson Intl. 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 1 August 2025.

Reviews of airlines servicing Pearson Intl

Get a feel of what it's like to fly with Delta,United Airlines, andAmerican Airlines from Illinois to Toronto Pearson Intl Airport by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Illinois to Pearson Intl. 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 Illinois to Toronto Pearson Intl Airport one-way?

What are the most popular routes from Illinois to Toronto Pearson Intl Airport?

What are the most reliable airlines from Illinois to Toronto Pearson Intl Airport?

What are the cheapest flights from Illinois to Toronto Pearson Intl Airport?

Can I find deals for flights from Illinois to Pearson Intl that include hotel bookings?

How can I find direct flights from Illinois to Pearson Intl?

Can I find deals for business class flights from Illinois to Pearson Intl?

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

Travelling to a place near Toronto Pearson Intl Airport?

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Alternative routes for Illinois to Pearson Intl

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Top 2 airlines flying from Illinois to Pearson Intl

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Cheapest flights from Illinois to Pearson Intl
Explore the most affordable flight options available from Illinois to Pearson Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 1 August 2025.