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

WestJet and Porter Airlines are the most popular carriers operating from Toronto to Illinois

How long is the flight from Toronto to Illinois?

The average flight duration from Toronto to Illinois depends on which airport you fly into and out of. Flying from Toronto to Chicago O'Hare Intl Airport is 6h 11m on average, while flying from Hamilton to Chicago O'Hare Intl Airport is 11h 43m on average. Chicago O'Hare Intl Airport is the most popular airport in Illinois.

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

As of September 2025, there are 64 flights per day flying from Toronto to Illinois. The most common time of day flights depart is 1:00p.m., with 47% of flights taking off in the afternoon.

Which airlines fly to Illinois?

Air Canada, United Airlines and Porter Airlines are the top three most popular airlines that fly to Illinois from Toronto according to our data. Air Canada is the first choice among our users, with 64% of people opting to fly with this airline when travelling to Illinois. Keep in mind that there are 5 different airlines that fly to Illinois on a routine basis, so you have a few additional options to choose from.

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

As of September 2025, 452 flights take off from Toronto and land in Illinois each week. The most common flight departure day for this route is Mon, with 15% of weekly flights taking off on this day.

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

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

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

The number of operators available for flights from Toronto to Illinois is 6 as of September 2025.

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

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Toronto to Illinois.

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

The travel and health documents you'll need for your trip to Illinois may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Illinois. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

C$ 160 Cheap Flights from Toronto to Illinois in 2025/26

1 adult

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Find the cheapest flights from Toronto to Illinois

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

4:00 p.m. - 11:44 p.m.YYZ-ORD

8h 44m1 stop

12:53 p.m. - 9:07 p.m.ORD-YYZ

7h 14m1 stop

C$ 271Multiple Airlines

Find Deal

Mon, 20 Oct - Thu, 23 Oct

4:00 p.m. - 11:44 p.m.YYZ-ORD

8h 44m1 stop

12:53 p.m. - 9:07 p.m.ORD-YYZ

7h 14m1 stop

C$ 272Multiple Airlines

Find Deal

Mon, 20 Oct - Thu, 23 Oct

7:50 a.m. - 8:39 a.m.YTZ-MDW

1h 49mdirect

9:35 a.m. - 12:17 p.m.MDW-YTZ

1h 42mdirect

C$ 332Porter Airlines

Find Deal

Sat, 18 Oct - Sat, 25 Oct

3:35 p.m. - 4:24 p.m.YTZ-MDW

1h 49mdirect

9:35 a.m. - 12:17 p.m.MDW-YTZ

1h 42mdirect

C$ 333Porter Airlines

Find Deal

Thu, 16 Oct - Sun, 19 Oct

3:25 p.m. - 8:17 p.m.YTZ-ORD

5h 52m1 stop

8:40 a.m. - 2:45 p.m.ORD-YTZ

5h 05m1 stop

C$ 347Air Canada

Find Deal

Sat, 18 Oct - Sat, 25 Oct

3:25 p.m. - 8:06 p.m.YTZ-ORD

5h 41m1 stop

8:40 a.m. - 4:45 p.m.ORD-YTZ

7h 05m1 stop

C$ 366Air Canada

Find Deal

Sat, 4 Oct - Mon, 6 Oct

7:50 a.m. - 8:39 a.m.YTZ-MDW

1h 49mdirect

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

1h 42mdirect

C$ 388Air Transat

Find Deal

Sun, 5 Oct - Tue, 7 Oct

7:50 a.m. - 8:39 a.m.YTZ-MDW

1h 49mdirect

9:35 a.m. - 12:17 p.m.MDW-YTZ

1h 42mdirect

C$ 399Air Transat

Find Deal

Fri, 17 Oct - Sun, 19 Oct

7:30 a.m. - 2:27 p.m.YYZ-STL

7h 57m2 stops

5:28 p.m. - 11:58 p.m.STL-YYZ

5h 30m1 stop

C$ 590United Airlines

Find Deal

Sat, 25 Oct - Sat, 25 Oct

7:30 a.m. - 2:27 p.m.YYZ-STL

7h 57m2 stops

5:15 a.m. - 10:48 p.m.STL-YYZ

16h 33m1 stop

C$ 598United Airlines

Find Deal

Tue, 7 Oct - Sun, 12 Oct

WestJet flights from Toronto to Illinois

Our best WestJet deals on Toronto to Illinois flight tickets

WestJet

23 Oct

YKF6:00 a.m.Toronto Region of Waterloo Intl

11h 43m

1 stop

ORD4:43 p.m.Chicago O'Hare Intl

27 Oct

ORD2:20 p.m.Chicago O'Hare Intl

14h 08m

1 stop

YKF5:28 a.m.Toronto Region of Waterloo Intl

C$ 286

Find similar

WestJet

24 Oct

YKF6:00 a.m.Toronto Region of Waterloo Intl

11h 43m

1 stop

ORD4:43 p.m.Chicago O'Hare Intl

26 Oct

ORD2:20 p.m.Chicago O'Hare Intl

14h 08m

1 stop

YKF5:28 a.m.Toronto Region of Waterloo Intl

C$ 311

Find similar

WestJet

16 Oct

YYZ6:30 a.m.Toronto Pearson Intl

11h 13m

1 stop

ORD4:43 p.m.Chicago O'Hare Intl

30 Oct

ORD2:20 p.m.Chicago O'Hare Intl

9h 06m

1 stop

YYZ12:26 a.m.Toronto Pearson Intl

C$ 325

Find similar

Air Canada flights from Toronto to Illinois

Our best Air Canada deals on Toronto to Illinois flight tickets

Air Canada

18 Oct

YTZ3:25 p.m.Toronto Island

5h 52m

1 stop

ORD8:17 p.m.Chicago O'Hare Intl

25 Oct

ORD8:40 a.m.Chicago O'Hare Intl

5h 05m

1 stop

YTZ2:45 p.m.Toronto Island

C$ 347

Find similar

Air Canada

4 Oct

YTZ3:25 p.m.Toronto Island

5h 41m

1 stop

ORD8:06 p.m.Chicago O'Hare Intl

6 Oct

ORD8:40 a.m.Chicago O'Hare Intl

7h 05m

1 stop

YTZ4:45 p.m.Toronto Island

C$ 366

Find similar

Air Canada

18 Oct

YTZ3:25 p.m.Toronto Island

5h 52m

1 stop

ORD8:17 p.m.Chicago O'Hare Intl

23 Oct

ORD8:40 a.m.Chicago O'Hare Intl

7h 05m

1 stop

YTZ4:45 p.m.Toronto Island

C$ 385

Find similar

Fly from

Fly to

Route

Depart

Return

Price

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Mon 20/10

4:00 p.m.-11:44 p.m.

1 stop8h 44m

Chicago O'Hare Intl

Thu 23/10

12:53 p.m.-9:07 p.m.

1 stop7h 14m

C$ 271

TorontoChicago

YYZ - ORD

YYZORD

Toronto Pearson Intl

Mon 20/10

4:00 p.m.-11:44 p.m.

1 stop8h 44m

Chicago O'Hare Intl

Thu 23/10

12:53 p.m.-9:07 p.m.

1 stop7h 14m

C$ 272

TorontoChicago

YTZ - MDW

YTZMDW

Toronto Island

Sat 18/10

7:50 a.m.-8:39 a.m.

Nonstop1h 49m

Chicago Midway

Sat 25/10

9:35 a.m.-12:17 p.m.

Nonstop1h 42m

C$ 332

TorontoChicago

YTZ - MDW

YTZMDW

Toronto Island

Thu 16/10

3:35 p.m.-4:24 p.m.

Nonstop1h 49m

Chicago Midway

Sun 19/10

9:35 a.m.-12:17 p.m.

Nonstop1h 42m

C$ 333

TorontoChicago

YTZ - ORD

YTZORD

Toronto Island

Sat 18/10

3:25 p.m.-8:17 p.m.

1 stop5h 52m

Chicago O'Hare Intl

Sat 25/10

8:40 a.m.-2:45 p.m.

1 stop5h 05m

C$ 347

TorontoChicago

YTZ - ORD

YTZORD

Toronto Island

Sat 4/10

3:25 p.m.-8:06 p.m.

1 stop5h 41m

Chicago O'Hare Intl

Mon 6/10

8:40 a.m.-4:45 p.m.

1 stop7h 05m

C$ 366

TorontoChicago

YTZ - MDW

YTZMDW

Toronto Island

Sun 5/10

7:50 a.m.-8:39 a.m.

Nonstop1h 49m

Chicago Midway

Tue 7/10

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

Nonstop1h 42m

C$ 388

TorontoChicago

YTZ - MDW

YTZMDW

Toronto Island

Fri 17/10

7:50 a.m.-8:39 a.m.

Nonstop1h 49m

Chicago Midway

Sun 19/10

9:35 a.m.-12:17 p.m.

Nonstop1h 42m

C$ 399

TorontoSt. Louis

YYZ - STL

YYZSTL

Toronto Pearson Intl

Sat 25/10

7:30 a.m.-2:27 p.m.

2 stops7h 57m

Lambert-St Louis

Sat 25/10

5:28 p.m.-11:58 p.m.

1 stop5h 30m

C$ 590

TorontoSt. Louis

YYZ - STL

YYZSTL

Toronto Pearson Intl

Tue 7/10

7:30 a.m.-2:27 p.m.

2 stops7h 57m

Lambert-St Louis

Sun 12/10

5:15 a.m.-10:48 p.m.

1 stop16h 33m

C$ 598

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 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?

In general, July is the cheapest month to fly from Toronto to Illinois. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around C$ 300. If you don’t want to visit Illinois in July, then you should wait until June to fly from Toronto, when ticket prices are also cheap, with an average price of C$ 311.

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

According to our data, Friday is the cheapest day to fly to Illinois from Toronto. The lowest ticket price found for a Friday departure recently was C$ 738. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. The most expensive day to fly to Illinois is Tuesday, with ticket prices averaging around C$ 1,180.

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 to Illinois during this time can be as low as C$ 628. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are C$ 1,278 on average. Flights to Illinois from Toronto in the afternoon are generally more expensive because this time of day is more convenient for travellers’ schedules.

What is the cheapest Toronto to Illinois flight route?

Fly from Toronto Island to Chicago Midway for the best Toronto - 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 when booking weeks ahead of your departure date. In general, you can expect to find flights to Illinois for around C$ 403 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Illinois from Toronto for as low as C$ 298 on momondo.

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

There are 4 cabin classes available to choose from on Toronto 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 to Illinois flights?

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

Cheap Toronto to Illinois flight deals and tips

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

Best price found	C$ 211
Fastest flight time	1h 49m
Direct flights	Every day
Airports in Illinois	1 airport

The best one-way flight to Illinois from Toronto in the past 72 hours is C$ 211. The best round-trip flight deal from Toronto to Illinois found on momondo in the last 72 hours is C$ 241.

The fastest flight from Toronto to Illinois takes 1h 49m

Direct flights go from Toronto to Illinois every day.

There is 1 airport near Illinois: Chicago Midway (MDW)

Search flight deals

When did momondo last update prices for flights from Toronto to Illinois?
Prices for flights from Toronto to Illinois are refreshed on a daily basis.
How many operators does momondo search for flights from Toronto to Illinois?
The number of operators available for flights from Toronto to Illinois is 6 as of September 2025.
How old do you have to be to fly from Toronto to Illinois?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Toronto to Illinois.
What documentation or ID do you need to fly to Illinois?
The travel and health documents you'll need for your trip to Illinois may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Illinois. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Toronto to Illinois?
Based on momondo bookings for flights between Toronto and Illinois, the leading plane model is De Havilland (Bombardier) DHC-8-400 Dash 8Q, making up 19.88% of the total bookings. Other popular models include Embraer 175 (Enhanced Winglets) with 14.77%, Boeing 737-800 with 12.37%, and Embraer 175 with 8.18%.

Best airlines flying from Toronto to Illinois

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

Airline	Rating	Free Cancellation	Price
Porter Airlines	PriceFrom C$ 196	Free Cancellation	Rating 7.9 363 reviews	Search Porter Airlines flights
Air Canada	PriceFrom C$ 264	Free Cancellation	Rating 7.1 10,000 reviews	Search Air Canada flights
American Airlines	PriceFrom C$ 267	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
United Airlines	PriceFrom C$ 278	Free Cancellation	Rating 7.4 8,924 reviews	Search United Airlines flights
WestJet	PriceFrom C$ 382	Free Cancellation	Rating 7.2 3,093 reviews	Search WestJet flights

Why use momondo?

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

It is quick and easy to find Toronto to Illinois flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Illinois that suits you.

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

momondo does allow users to show only those flights to Illinois from Toronto which offer a flexible booking policy as well as other useful filters and features.

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 offers price alerts on flights to Illinois from Toronto. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.