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

United Airlines, Delta, and KLM 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 49% 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 June 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.

$135 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 day?

As of June 2026, there are 65 flights per day flying from Toronto Pearson Intl Airport to Illinois. The most common time of day flights depart is 1:00PM, with 44% of flights taking off in the afternoon.

Discover deals from 900+ travel sites with momondo.

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.

1:00 pm - 2:05 pm

YYZ

ORD

2h 05mnonstop

9:50 am - 12:35 pm

ORD

YYZ

1h 45mnonstop

$205Multiple Airlines

Sat, Sep 5 - Mon, Sep 7

2:00 pm - 2:55 pm

YYZ

ORD

1h 55mnonstop

9:50 am - 12:35 pm

ORD

YYZ

1h 45mnonstop

$210Air Canada

Thu, Jul 16 - Sun, Jul 19

2:00 pm - 2:55 pm

YYZ

ORD

1h 55mnonstop

9:50 am - 12:35 pm

ORD

YYZ

1h 45mnonstop

$211Air Canada

Thu, Jul 16 - Sun, Jul 19

4:00 pm - 8:05 pm

YYZ

ORD

5h 05m

1 stop

9:50 am - 12:35 pm

ORD

YYZ

1h 45mnonstop

$213Air Canada

Sat, Sep 5 - Mon, Sep 7

7:00 am - 8:00 am

YYZ

ORD

2h 00mnonstop

5:53 pm - 8:44 pm

ORD

YYZ

1h 51mnonstop

$217United Airlines

Sat, Jul 18 - Mon, Aug 17

12:09 pm - 4:59 pm

YYZ

MDW

5h 50m

1 stop

5:45 pm - 10:59 pm

MDW

YYZ

4h 14m

1 stop

$237Delta

Sat, Sep 5 - Tue, Sep 8

6:10 am - 9:13 am

YYZ

MDW

4h 03m

1 stop

9:19 am - 5:24 pm

MDW

YYZ

7h 05m

1 stop

$249Delta

Tue, Jul 28 - Sun, Aug 2

1:17 pm - 12:16 am

YYZ

STL

11h 59m

1 stop

1:25 pm - 11:29 pm

STL

YYZ

9h 04m

1 stop

$329American Airlines

Tue, Aug 4 - Tue, Aug 11

7:20 am - 2:05 pm

YYZ

STL

7h 45m

1 stop

6:55 am - 5:34 pm

STL

YYZ

9h 39m

1 stop

$354American Airlines

Sat, Jul 18 - Tue, Jul 21

7:00 am - 1:51 pm

YYZ

MLI

7h 51m

1 stop

8:10 am - 5:59 pm

MLI

YYZ

8h 49m

2 stops

$476United Airlines

Sat, Dec 12 - Tue, Dec 15

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

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 16

YYZ2:00 pmToronto Pearson Intl

1h 55m

ORD2:55 pmChicago O'Hare Intl

Jul 19

ORD9:50 amChicago O'Hare Intl

1h 45m

YYZ12:35 pmToronto Pearson Intl

$210

Air Canada

Jul 16

YYZ2:00 pmToronto Pearson Intl

1h 55m

ORD2:55 pmChicago O'Hare Intl

Jul 19

ORD9:50 amChicago O'Hare Intl

1h 45m

YYZ12:35 pmToronto Pearson Intl

$211

Air Canada

Sep 5

YYZ4:00 pmToronto Pearson Intl

5h 05m

1 stop

ORD8:05 pmChicago O'Hare Intl

Sep 7

ORD9:50 amChicago O'Hare Intl

1h 45m

YYZ12:35 pmToronto Pearson Intl

$213

KLM flights from Toronto Pearson Intl Airport to Illinois

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

KLM

Jul 16

YYZ6:10 amToronto Pearson Intl

7h 53m

1 stop

ORD1:03 pmChicago O'Hare Intl

Jul 19

ORD7:05 amChicago O'Hare Intl

7h 15m

1 stop

YYZ3:20 pmToronto Pearson Intl

$265

KLM

Jul 11

YYZ6:10 amToronto Pearson Intl

5h 22m

1 stop

ORD10:32 amChicago O'Hare Intl

Jul 12

ORD7:05 amChicago O'Hare Intl

7h 15m

1 stop

YYZ3:20 pmToronto Pearson Intl

$266

KLM

Jul 27

YYZ12:09 pmToronto Pearson Intl

7h 16m

1 stop

MDW6:25 pmChicago Midway

Jul 28

MDW9:19 amChicago Midway

7h 05m

1 stop

YYZ5:24 pmToronto Pearson Intl

$322

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 9/5

1:00 pm-2:05 pm

Nonstop2h 05m

Chicago O'Hare Intl

Mon 9/7

9:50 am-12:35 pm

Nonstop1h 45m

$205

Quickest round-trip

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Thu 7/16

2:00 pm-2:55 pm

Nonstop1h 55m

Chicago O'Hare Intl

Sun 7/19

9:50 am-12:35 pm

Nonstop1h 45m

$210

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Thu 7/16

2:00 pm-2:55 pm

Nonstop1h 55m

Chicago O'Hare Intl

Sun 7/19

9:50 am-12:35 pm

Nonstop1h 45m

$211

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Sat 9/5

4:00 pm-8:05 pm

1 stop5h 05m

Chicago O'Hare Intl

Mon 9/7

9:50 am-12:35 pm

Nonstop1h 45m

$213

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Sat 7/18

7:00 am-8:00 am

Nonstop2h 00m

Chicago O'Hare Intl

Mon 8/17

5:53 pm-8:44 pm

Nonstop1h 51m

$217

TorontoChicago

YYZ - MDW

YYZMDW

Toronto Pearson Intl

Sat 9/5

12:09 pm-4:59 pm

1 stop5h 50m

Chicago Midway

Tue 9/8

5:45 pm-10:59 pm

1 stop4h 14m

$237

TorontoChicago

YYZ - MDW

YYZMDW

Toronto Pearson Intl

Tue 7/28

6:10 am-9:13 am

1 stop4h 03m

Chicago Midway

Sun 8/2

9:19 am-5:24 pm

1 stop7h 05m

$249

TorontoSt. Louis

YYZ - STL

YYZSTL

Toronto Pearson Intl

Tue 8/4

1:17 pm-12:16 am

1 stop11h 59m

Lambert-St Louis

Tue 8/11

1:25 pm-11:29 pm

1 stop9h 04m

$329

TorontoSt. Louis

YYZ - STL

YYZSTL

Toronto Pearson Intl

Sat 7/18

7:20 am-2:05 pm

1 stop7h 45m

Lambert-St Louis

Tue 7/21

6:55 am-5:34 pm

1 stop9h 39m

$354

TorontoMoline

YYZ - MLI

YYZMLI

Toronto Pearson Intl

Sat 12/12

7:00 am-1:51 pm

1 stop7h 51m

Moline Quad-City

Tue 12/15

8:10 am-5:59 pm

2 stops8h 49m

$476

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 January. Flight prices, which tend to average around $51, 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 January, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $67.

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 $471. Flights from Toronto Pearson Intl Airport to Illinois on a Monday will generally be more expensive and average around $747. 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 $385. Flights in the afternoon are often more expensive with an average ticket price of $727.

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 from Toronto Pearson Intl Airport 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 $304 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 $175 on momondo.

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

There are 4 cabin classes available to choose from on Toronto Pearson Intl Airport 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	$202
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 $202. The best round-trip flight deal from Toronto Pearson Intl Airport to Illinois found on momondo in the last 72 hours is $327.

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

Frequently asked questions about flying from Toronto Pearson Intl Airport to Illinois

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 June 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 De Havilland (Bombardier) DHC-8-400 Dash 8Q, representing 12.66% of all bookings. The subsequent popular models are Embraer 175 (Enhanced Winglets) at 9.89%, Boeing 737-800 at 8.65%, and Embraer 195 E2 at 7.73%.

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 $153	Free Cancellation	Rating 7.1 11,269 reviews	Search Air Canada flights
United Airlines	PriceFrom $187	Free Cancellation	Rating 7.4 9,899 reviews	Search United Airlines flights
American Airlines	PriceFrom $189	Free Cancellation	Rating 7.1 11,776 reviews	Search American Airlines flights
Porter Airlines	PriceFrom $192	Free Cancellation	Rating 8.0 441 reviews	Search Porter 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

Tue 7/28

Tue 8/4

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 $77

Flights to Los Angelesfrom $56

Flights to Orlandofrom $62

Flights to Miamifrom $79

Flights to Chicagofrom $62

Flights to San Franciscofrom $50

Flights to Las Vegasfrom $49

Flights to Washington, D.C.from $55

Flights to Bostonfrom $61

Flights to Atlantafrom $56

Flights to Fort Lauderdalefrom $58

Flights to Dallasfrom $105

Cheap flights from Toronto Pearson Intl Airport to Illinois from $135

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

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

Air Canada flights from Toronto Pearson Intl Airport to Illinois

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

KLM flights from Toronto Pearson Intl Airport to Illinois

Our best KLM 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 from Toronto Pearson Intl Airport to Illinois?

What cabin class options are available on Toronto Pearson Intl Airport 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

Frequently asked questions about flying from Toronto Pearson Intl Airport to 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