What is the cheapest airline that flies from Toronto Pearson Intl to Illinois?

United Airlines, Delta, and American Airlines are the most popular carriers operating from Toronto Pearson Intl to Illinois

What airlines fly to Illinois?

Air Canada, United Airlines and American Airlines are the top three most popular airlines that fly to Illinois from Toronto Pearson Intl Airport according to our data. Air Canada is the first choice among our users, with 48% of people opting to fly with this airline when traveling to Illinois. Keep in mind that there are 4 different airlines that fly to Illinois on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Toronto Pearson Intl Airport to Illinois?

Prices for flights from Toronto Pearson Intl Airport to Illinois are refreshed on a daily basis.

How many operators does momondo search for flights from Toronto Pearson Intl Airport to Illinois?

The number of operators available for flights from Toronto Pearson Intl Airport to Illinois is 4 as of March 2026.

How old do you have to be to fly from Toronto Pearson Intl Airport to Illinois?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Toronto Pearson Intl Airport to Illinois.

What documentation or ID do you need to fly to Illinois?

The necessary travel and health documents for your Illinois trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$130 Cheap Flights from Toronto Pearson Intl Airport to Illinois in 2026

Q: How many flights depart from Toronto Pearson Intl Airport to Illinois on average per week?

376 flights are operational weekly from Toronto Pearson Intl Airport to Illinois as of March 2026. The most popular departure day for this route is Wed, with 17% of flights per week taking off on this day.

Q: How many flights depart from Toronto Pearson Intl Airport to Illinois on average per day?

As of March 2026, there are 53 flights per day flying from Toronto Pearson Intl Airport to Illinois. The most common time of day flights depart is 4:00PM, with 47% of flights taking off in the afternoon.

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Toronto Pearson Intl Airport to Illinois

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

4:00 pm - 8:05 pm

YYZ

ORD

5h 05m

1 stop

9:50 am - 12:35 pm

ORD

YYZ

1h 45mnonstop

$198Air Canada

Sat, Jul 25 - Wed, Jul 29

2:00 pm - 2:55 pm

YYZ

ORD

1h 55mnonstop

8:45 am - 4:10 pm

ORD

YYZ

6h 25m

1 stop

$199Air Canada

Wed, Jul 1 - Sat, Jul 4

1:55 pm - 2:55 pm

YYZ

ORD

2h 00mnonstop

8:40 pm - 11:26 pm

ORD

YYZ

1h 46mnonstop

$205Air Canada

Mon, May 25 - Fri, Jun 19

11:00 am - 12:00 pm

YYZ

ORD

2h 00mnonstop

7:09 am - 9:54 am

ORD

YYZ

1h 45mnonstop

$206United Airlines

Sat, Jun 6 - Sun, Jun 7

3:00 pm - 8:05 pm

YYZ

ORD

6h 05m

1 stop

3:40 pm - 10:55 pm

ORD

YYZ

6h 15m

1 stop

$207Air Canada

Sat, Jul 25 - Wed, Jul 29

12:45 pm - 11:26 pm

YYZ

ORD

11h 41m

1 stop

9:40 pm - 10:04 am

ORD

YYZ

11h 24m

1 stop

$214United Airlines

Thu, Jul 16 - Mon, Jul 20

2:15 pm - 5:58 pm

YYZ

MDW

4h 43m

1 stop

6:38 pm - 10:56 pm

MDW

YYZ

3h 18m

1 stop

$214Delta

Sat, May 2 - Mon, May 4

6:10 am - 8:47 am

YYZ

MDW

3h 37m

1 stop

6:38 pm - 10:56 pm

MDW

YYZ

3h 18m

1 stop

$224Delta

Sat, May 2 - Mon, May 4

11:40 am - 8:30 pm

YYZ

STL

9h 50m

1 stop

6:00 am - 2:30 pm

STL

YYZ

7h 30m

1 stop

$346American Airlines

Wed, May 27 - Wed, Jun 10

3:13 pm - 11:46 pm

YYZ

STL

9h 33m

1 stop

5:51 am - 5:43 pm

STL

YYZ

10h 52m

1 stop

$372American Airlines

Wed, Apr 15 - Wed, Apr 22

United Airlines flights from Toronto Pearson Intl Airport to Illinois

Our best United Airlines deals on Toronto Pearson Intl Airport to Illinois flight tickets

United Airlines

Jun 6

YYZ11:00 amToronto Pearson Intl

2h 00m

ORD12:00 pmChicago O'Hare Intl

Jun 7

ORD7:09 amChicago O'Hare Intl

1h 45m

YYZ9:54 amToronto Pearson Intl

$206

United Airlines

Jul 16

YYZ12:45 pmToronto Pearson Intl

11h 41m

1 stop

ORD11:26 pmChicago O'Hare Intl

Jul 20

ORD9:40 pmChicago O'Hare Intl

11h 24m

1 stop

YYZ10:04 amToronto Pearson Intl

$214

United Airlines

Jul 9

YYZ8:50 amToronto Pearson Intl

2h 00m

ORD9:50 amChicago O'Hare Intl

Jul 13

ORD9:15 pmChicago O'Hare Intl

1h 44m

YYZ11:59 pmToronto Pearson Intl

$219

Air Canada flights from Toronto Pearson Intl Airport to Illinois

Our best Air Canada deals on Toronto Pearson Intl Airport to Illinois flight tickets

Air Canada

Jul 25

YYZ4:00 pmToronto Pearson Intl

5h 05m

1 stop

ORD8:05 pmChicago O'Hare Intl

Jul 29

ORD9:50 amChicago O'Hare Intl

1h 45m

YYZ12:35 pmToronto Pearson Intl

$198

Air Canada

Jul 1

YYZ2:00 pmToronto Pearson Intl

1h 55m

ORD2:55 pmChicago O'Hare Intl

Jul 4

ORD8:45 amChicago O'Hare Intl

6h 25m

1 stop

YYZ4:10 pmToronto Pearson Intl

$199

Air Canada

May 25

YYZ1:55 pmToronto Pearson Intl

2h 00m

ORD2:55 pmChicago O'Hare Intl

Jun 19

ORD8:40 pmChicago O'Hare Intl

1h 46m

YYZ11:26 pmToronto Pearson Intl

$205

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Sat 7/25

4:00 pm-8:05 pm

1 stop5h 05m

Chicago O'Hare Intl

Wed 7/29

9:50 am-12:35 pm

Nonstop1h 45m

$198

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Wed 7/1

2:00 pm-2:55 pm

Nonstop1h 55m

Chicago O'Hare Intl

Sat 7/4

8:45 am-4:10 pm

1 stop6h 25m

$199

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Mon 5/25

1:55 pm-2:55 pm

Nonstop2h 00m

Chicago O'Hare Intl

Fri 6/19

8:40 pm-11:26 pm

Nonstop1h 46m

$205

Quickest round-trip

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Sat 6/6

11:00 am-12:00 pm

Nonstop2h 00m

Chicago O'Hare Intl

Sun 6/7

7:09 am-9:54 am

Nonstop1h 45m

$206

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Sat 7/25

3:00 pm-8:05 pm

1 stop6h 05m

Chicago O'Hare Intl

Wed 7/29

3:40 pm-10:55 pm

1 stop6h 15m

$207

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Thu 7/16

12:45 pm-11:26 pm

1 stop11h 41m

Chicago O'Hare Intl

Mon 7/20

9:40 pm-10:04 am

1 stop11h 24m

$214

TorontoChicago

YYZ - MDW

YYZMDW

Toronto Pearson Intl

Sat 5/2

2:15 pm-5:58 pm

1 stop4h 43m

Chicago Midway

Mon 5/4

6:38 pm-10:56 pm

1 stop3h 18m

$214

TorontoChicago

YYZ - MDW

YYZMDW

Toronto Pearson Intl

Sat 5/2

6:10 am-8:47 am

1 stop3h 37m

Chicago Midway

Mon 5/4

6:38 pm-10:56 pm

1 stop3h 18m

$224

TorontoSt. Louis

YYZ - STL

YYZSTL

Toronto Pearson Intl

Wed 5/27

11:40 am-8:30 pm

1 stop9h 50m

Lambert-St Louis

Wed 6/10

6:00 am-2:30 pm

1 stop7h 30m

$346

TorontoSt. Louis

YYZ - STL

YYZSTL

Toronto Pearson Intl

Wed 4/15

3:13 pm-11:46 pm

1 stop9h 33m

Lambert-St Louis

Wed 4/22

5:51 am-5:43 pm

1 stop10h 52m

$372

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Toronto Pearson Intl Airport to Illinois

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to Illinois?

The cheapest month to fly to Illinois from Toronto Pearson Intl Airport is in September. Flight prices, which tend to average around $231, are often lower during this time because this is during the off-season. If you aren’t able to travel to Illinois during the month of September, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $236.

What is the cheapest day to depart on your flight to Illinois?

The cheapest day to depart from Toronto Pearson Intl Airport to Illinois is on a Friday when prices can be found for as low as $466. Flights from Toronto Pearson Intl Airport to Illinois on a Monday will generally be more expensive and average around $734. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Illinois?

Our most recent data shows that the best time of day to fly to Illinois is in the evening. Flights from Toronto Pearson Intl Airport to Illinois during this time can be as low as $363. Flights in the afternoon are often more expensive with an average ticket price of $692.

What is the cheapest Toronto Pearson Intl to Illinois flight route?

Fly from Toronto Pearson Intl to Chicago O'Hare Intl for the best Toronto Pearson Intl - Illinois flight prices

How far in advance should I book a flight to Illinois?

You are more likely to see cheaper flights to Illinois from Toronto Pearson Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Illinois for around $285 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Illinois from Toronto Pearson Intl Airport for as low as $195 on momondo.

What cabin class options are available on Toronto Pearson Intl to Illinois flights?

There are 4 cabin classes available to choose from on Toronto Pearson Intl to Illinois flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Toronto Pearson Intl Airport to Illinois flights?

No. A direct flight is the cheapest option for a flight between Toronto Pearson Intl Airport to Illinois.

Cheap Toronto Pearson Intl Airport to Illinois flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Toronto Pearson Intl Airport to Illinois

Best Price Found	$197
Fastest flight time	1h 55m
Direct flights	Every day
Airports in Illinois	98 airports

The best one-way flight to Illinois from Toronto Pearson Intl Airport in the past 72 hours is $197. The best round-trip flight deal from Toronto Pearson Intl Airport to Illinois found on momondo in the last 72 hours is $312.

The fastest flight from Toronto Pearson Intl Airport to Illinois takes 1h 55m

Direct flights go from Toronto Pearson Intl Airport to Illinois every day.

There are 98 airports in Illinois. From Toronto Pearson Intl Airport there are direct flights to Chicago O'Hare Intl (ORD).

Search flight deals

When did momondo last update prices for flights from Toronto Pearson Intl Airport to Illinois?
Prices for flights from Toronto Pearson Intl Airport to Illinois are refreshed on a daily basis.
How many operators does momondo search for flights from Toronto Pearson Intl Airport to Illinois?
The number of operators available for flights from Toronto Pearson Intl Airport to Illinois is 4 as of March 2026.
How old do you have to be to fly from Toronto Pearson Intl Airport to Illinois?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Toronto Pearson Intl Airport to Illinois.
What documentation or ID do you need to fly to Illinois?
The necessary travel and health documents for your Illinois trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Toronto Pearson Intl Airport to Illinois?
momondo data reveals that the most frequently booked plane model on the route from Toronto Pearson Intl Airport to Illinois is Embraer 175 (Enhanced Winglets), representing 12.72% of all bookings. The subsequent popular models are De Havilland (Bombardier) DHC-8-400 Dash 8Q at 11.01%, Embraer 195 E2 at 10.11%, and Boeing 737 MAX 8 at 9.79%.

Best airlines flying from Toronto Pearson Intl Airport to Illinois

Compare and see reviews for airlines that fly from Toronto Pearson Intl Airport to Illinois with momondo

Airline	Rating	Free Cancellation	Price
Air Canada	PriceFrom $146	Free Cancellation	Rating 7.1 10,840 reviews	Search Air Canada flights
United Airlines	PriceFrom $165	Free Cancellation	Rating 7.4 9,478 reviews	Search United Airlines flights
Porter Airlines	PriceFrom $180	Free Cancellation	Rating 8.0 428 reviews	Search Porter Airlines flights
American Airlines	PriceFrom $189	Free Cancellation	Rating 7.1 11,494 reviews	Search American Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Toronto to Illinois?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Illinois from Toronto.

Can I find flights from Toronto to Illinois with flexible booking policies on momondo?

Yes. All flights to Illinois from Toronto on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Toronto to Illinois?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Illinois from Toronto.

I’m not ready to book a flight from Toronto to Illinois right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Toronto to Illinois flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

An easier way to manage your Illinois trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Start using Trips

Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

1 adult

Fri 4/24

Fri 5/1

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Illinois

Popular cities

Other flights from Toronto Pearson Intl Airport

Other flights to Illinois

Airlines

Complete your trip

Feeling lucky

Popular cities in Illinois

Flights to New Yorkfrom $66

Flights to Los Angelesfrom $60

Flights to Orlandofrom $49

Flights to Miamifrom $45

Flights to Chicagofrom $68

Flights to San Franciscofrom $77

Flights to Las Vegasfrom $41

Flights to Washington, D.C.from $59

Flights to Bostonfrom $65

Flights to Atlantafrom $53

Flights to Dallasfrom $62

Flights to Seattlefrom $104

Cheap flights from Toronto Pearson Intl Airport to Illinois from $130

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Toronto Pearson Intl Airport to Illinois

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Cheap direct flights

United Airlines flights from Toronto Pearson Intl Airport to Illinois

Our best United Airlines deals on Toronto Pearson Intl Airport to Illinois flight tickets

Air Canada flights from Toronto Pearson Intl Airport to Illinois

Our best Air Canada deals on Toronto Pearson Intl Airport to Illinois flight tickets

momondo Fare Finder

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

See travel insights to Illinois from

How to get the cheapest flight ticket from Toronto Pearson Intl Airport to Illinois

What is the cheapest month to fly to Illinois?

What is the cheapest day to depart on your flight to Illinois?

What is the cheapest time of day to depart on your flight to Illinois?

What is the cheapest Toronto Pearson Intl to Illinois flight route?

How far in advance should I book a flight to Illinois?

What cabin class options are available on Toronto Pearson Intl to Illinois flights?

Can stopping save me money on Toronto Pearson Intl Airport to Illinois flights?

What is the cheapest airline that flies from Toronto Pearson Intl to Illinois?

What airlines fly to Illinois?

How many flights depart from Toronto Pearson Intl Airport to Illinois on average per day?

How many flights depart from Toronto Pearson Intl Airport to Illinois on average per week?

Cheap Toronto Pearson Intl Airport to Illinois flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Toronto Pearson Intl Airport to Illinois

Best Price Found

Fastest flight time

Direct flights

Airports in Illinois

Best airlines flying from Toronto Pearson Intl Airport to Illinois

Compare and see reviews for airlines that fly from Toronto Pearson Intl Airport to Illinois with momondo

Why use momondo?

An easier way to manage your Illinois trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Illinois

Popular cities in Illinois

Popular flights according to clicks in the last 7 days on momondo

Toronto Pearson Intl Airport flight routes

According to popular flight searches on momondo this year

Illinois flight routes

According to popular flight searches on momondo this year

Fly your favorite airline to Illinois

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Complete your trip to Illinois

Explore popular destinations other users love

According to popular flight searches on momondo this year