How long is the flight from Illinois to Region of Ontario?

Average flight duration from Illinois to Region of Ontario depends on which airport you fly into and out of. Flying from Chicago to Toronto Pearson Intl Airport is 2h 21m on average, while flying from Moline to Toronto Pearson Intl Airport is 3h 57m on average. Toronto Pearson Intl Airport is the most popular airport in Region of Ontario.

How many flights depart from Illinois to Region of Ontario on average per day?

As of May 2026, there are 106 flights per day flying from Illinois to Region of Ontario. The most common time of day flights depart is 10:00AM, with 42% of flights taking off at noon.

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

United Airlines, Porter Airlines, and Delta are the most popular carriers operating from Illinois to Ontario

What airlines fly to Region of Ontario?

United Airlines, Air Canada and American Airlines are the top three most popular airlines that fly to Region of Ontario from Illinois according to our data. United Airlines is the first choice among our users, with 42% of people opting to fly with this airline when traveling to Region of Ontario. Keep in mind that there are 7 different airlines that fly to Region of Ontario on a routine basis, so you have a few additional options to choose from.

How many flights depart from Illinois to Region of Ontario on average per week?

As of May 2026, there are 744 flights per week flying from Illinois to Region of Ontario. The most common day of the week flights depart is Thu, with 15% of flights taking off on this day.

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

Prices for flights from Illinois to Ontario were last updated today.

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

As of May 2026, there are 7 operators available to choose from for flights from Illinois to Ontario.

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

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Illinois to Ontario.

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

The required travel and health documents for your Ontario trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Ontario. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$91 Cheap Flights from Illinois to Ontario in 2026

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Find the cheapest flights from Illinois to Ontario

Round-trip

One-way

Last minute

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Cheap round-trip flights

Enter your travel dates to find the best prices.

9:55 am - 12:35 pm

ORD

YYZ

1h 40mnonstop

1:55 pm - 2:55 pm

YYZ

ORD

2h 00mnonstop

$211Air Canada

Thu, May 28 - Mon, Jun 1

9:55 am - 12:35 pm

ORD

YYZ

1h 40mnonstop

6:40 pm - 7:40 pm

YYZ

ORD

2h 00mnonstop

$213Air Canada

Thu, May 28 - Sun, May 31

9:55 am - 12:35 pm

ORD

YYZ

1h 40mnonstop

1:55 pm - 2:55 pm

YYZ

ORD

2h 00mnonstop

$214Air Canada

Thu, May 28 - Mon, Jun 1

10:15 am - 12:55 pm

MDW

YTZ

1h 40mnonstop

8:45 am - 9:35 am

YTZ

MDW

1h 50mnonstop

$215Porter Airlines

Mon, Jun 8 - Tue, Jun 9

10:15 am - 12:55 pm

MDW

YTZ

1h 40mnonstop

8:45 am - 9:35 am

YTZ

MDW

1h 50mnonstop

$216Porter Airlines

Sat, Jun 13 - Tue, Jun 16

7:09 am - 9:54 am

ORD

YYZ

1h 45mnonstop

12:45 pm - 5:02 pm

YYZ

ORD

5h 17m

1 stop

$235United Airlines

Tue, Jun 2 - Tue, Jun 2

9:17 am - 5:24 pm

MDW

YYZ

7h 07m

1 stop

6:05 am - 12:46 pm

YYZ

MDW

7h 41m

1 stop

$269Delta

Thu, Jun 18 - Thu, Jun 25

9:22 am - 5:21 pm

MDW

YYZ

6h 59m

1 stop

6:30 am - 1:19 pm

YYZ

MDW

7h 49m

1 stop

$304Delta

Thu, May 28 - Sun, May 31

6:35 am - 5:44 pm

STL

YYZ

10h 09m

1 stop

7:25 am - 4:33 pm

YYZ

STL

10h 08m

1 stop

$376American Airlines

Tue, Jun 2 - Tue, Jun 9

7:00 am - 5:44 pm

STL

YYZ

9h 44m

1 stop

1:15 pm - 12:16 am

YYZ

STL

12h 01m

1 stop

$403American Airlines

Sat, Jun 6 - Wed, Jun 10

Air Canada flights from Illinois to Region of Ontario

Our best Air Canada deals on Illinois to Region of Ontario flight tickets

Air Canada

May 28

ORD9:55 amChicago O'Hare Intl

1h 40m

YYZ12:35 pmToronto Pearson Intl

Jun 1

YYZ1:55 pmToronto Pearson Intl

2h 00m

ORD2:55 pmChicago O'Hare Intl

$211

Air Canada

May 28

ORD9:55 amChicago O'Hare Intl

1h 40m

YYZ12:35 pmToronto Pearson Intl

May 31

YYZ6:40 pmToronto Pearson Intl

2h 00m

ORD7:40 pmChicago O'Hare Intl

$213

Air Canada

May 28

ORD9:55 amChicago O'Hare Intl

1h 40m

YYZ12:35 pmToronto Pearson Intl

Jun 1

YYZ1:55 pmToronto Pearson Intl

2h 00m

ORD2:55 pmChicago O'Hare Intl

$214

WestJet flights from Illinois to Region of Ontario

Our best WestJet deals on Illinois to Region of Ontario flight tickets

WestJet

Jun 8

ORD5:30 pmChicago O'Hare Intl

22h 45m

1 stop

YHM5:15 pmHamilton

Jun 11

YHM6:10 pmHamilton

23h 30m

1 stop

ORD4:40 pmChicago O'Hare Intl

$525

WestJet

May 21

MDW6:36 pmChicago Midway

13h 23m

1 stop

YYZ8:59 amToronto Pearson Intl

May 25

YYZ6:12 pmToronto Pearson Intl

15h 31m

1 stop

MDW8:43 amChicago Midway

$563

WestJet

May 21

MDW6:36 pmChicago Midway

13h 23m

1 stop

YYZ8:59 amToronto Pearson Intl

May 26

YYZ6:10 amToronto Pearson Intl

3h 33m

1 stop

MDW8:43 amChicago Midway

$564

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Thu 5/28

9:55 am-12:35 pm

Nonstop1h 40m

Toronto Pearson Intl

Mon 6/1

1:55 pm-2:55 pm

Nonstop2h 00m

$211

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Thu 5/28

9:55 am-12:35 pm

Nonstop1h 40m

Toronto Pearson Intl

Sun 5/31

6:40 pm-7:40 pm

Nonstop2h 00m

$213

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Thu 5/28

9:55 am-12:35 pm

Nonstop1h 40m

Toronto Pearson Intl

Mon 6/1

1:55 pm-2:55 pm

Nonstop2h 00m

$214

Quickest round-trip

ChicagoToronto

MDW - YTZ

MDWYTZ

Chicago Midway

Mon 6/8

10:15 am-12:55 pm

Nonstop1h 40m

Toronto Island

Tue 6/9

8:45 am-9:35 am

Nonstop1h 50m

$215

ChicagoToronto

MDW - YTZ

MDWYTZ

Chicago Midway

Sat 6/13

10:15 am-12:55 pm

Nonstop1h 40m

Toronto Island

Tue 6/16

8:45 am-9:35 am

Nonstop1h 50m

$216

ChicagoToronto

ORD - YYZ

ORDYYZ

Chicago O'Hare Intl

Tue 6/2

7:09 am-9:54 am

Nonstop1h 45m

Toronto Pearson Intl

Tue 6/2

12:45 pm-5:02 pm

1 stop5h 17m

$235

ChicagoToronto

MDW - YYZ

MDWYYZ

Chicago Midway

Thu 6/18

9:17 am-5:24 pm

1 stop7h 07m

Toronto Pearson Intl

Thu 6/25

6:05 am-12:46 pm

1 stop7h 41m

$269

ChicagoToronto

MDW - YYZ

MDWYYZ

Chicago Midway

Thu 5/28

9:22 am-5:21 pm

1 stop6h 59m

Toronto Pearson Intl

Sun 5/31

6:30 am-1:19 pm

1 stop7h 49m

$304

St. LouisToronto

STL - YYZ

STLYYZ

Lambert-St Louis

Tue 6/2

6:35 am-5:44 pm

1 stop10h 09m

Toronto Pearson Intl

Tue 6/9

7:25 am-4:33 pm

1 stop10h 08m

$376

St. LouisToronto

STL - YYZ

STLYYZ

Lambert-St Louis

Sat 6/6

7:00 am-5:44 pm

1 stop9h 44m

Toronto Pearson Intl

Wed 6/10

1:15 pm-12:16 am

1 stop12h 01m

$403

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 Illinois to Region of Ontario

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 Region of Ontario?

The month of November is, on average, the cheapest month to fly to Region of Ontario from Illinois, with most prices found around $58. If you aren’t able to travel during the month of November, then book flights to Region of Ontario from Illinois during March instead. Flights to Region of Ontario in March, while not as cheap as those in November, still average around $58.

What is the cheapest day to depart on your flight to Region of Ontario?

According to our data, Thursday is the cheapest day to fly to Region of Ontario from Illinois. The lowest ticket price found for a Thursday departure recently was $423. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Flights from Illinois to Region of Ontario on a Sunday will generally be more expensive and average around $717. 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 Region of Ontario?

According to our data, the cheapest time of day to fly to Region of Ontario is in the evening. momondo users have found flights departing from Illinois to Region of Ontario in the evening for as low as $410. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights in the afternoon are often more expensive with an average ticket price of $742.

What is the cheapest Illinois to Ontario flight route?

Fly from Chicago Midway to Toronto Island for the best Illinois - Ontario flight prices

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

You are more likely to see cheaper flights to Region of Ontario from Illinois when booking weeks ahead of your departure date. In general, you can expect to find flights to Region of Ontario for around $300 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Region of Ontario from Illinois for as low as $181 on momondo.

Can stopping save me money on Illinois to Region of Ontario flights?

No. A direct flight is the cheapest option for a flight between Illinois to Region of Ontario.

Cheap Illinois to Region of Ontario flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Illinois to Region of Ontario

Best Price Found	$84
Fastest flight time	1h 35m
Direct flights	Every day
Airports in Region of Ontario	125 airports

The best one-way flight to Region of Ontario from Illinois in the past 72 hours is $84. The best round-trip flight deal from Illinois to Region of Ontario found on momondo in the last 72 hours is $209.

The fastest flight from Illinois to Region of Ontario takes 1h 35m

Direct flights go from Illinois to Region of Ontario every day.

There are 125 airports in Region of Ontario. From Illinois there are direct flights to Toronto Pearson Intl (YYZ), Toronto Island (YTZ).

Search flight deals

Frequently asked questions about flying from Illinois to Ontario

When did momondo last update prices for flights from Illinois to Ontario?
Prices for flights from Illinois to Ontario were last updated today.
How many operators does momondo search for flights from Illinois to Ontario?
As of May 2026, there are 7 operators available to choose from for flights from Illinois to Ontario.
How old do you have to be to fly from Illinois to Ontario?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Illinois to Ontario.
What documentation or ID do you need to fly to Ontario?
The required travel and health documents for your Ontario trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Ontario. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from Illinois to Region of Ontario?
momondo data reveals that the most frequently booked plane model on the route from Illinois to Region of Ontario is De Havilland (Bombardier) DHC-8-400 Dash 8Q, representing 16.66% of all bookings. The subsequent popular models are Embraer 175 (Enhanced Winglets) at 11.99%, Embraer 175 at 8.64%, and Embraer 170 at 8.22%.

Best airlines flying from Illinois to Region of Ontario

Compare and see reviews for airlines that fly from Illinois to Region of Ontario with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $88	Free Cancellation	Rating 7.9 8,456 reviews	Search Delta flights
Air Canada	PriceFrom $97	Free Cancellation	Rating 7.1 11,002 reviews	Search Air Canada flights
United Airlines	PriceFrom $147	Free Cancellation	Rating 7.4 9,694 reviews	Search United Airlines flights
Qantas Airways	PriceFrom $160	Free Cancellation	Rating 7.5 1,033 reviews	Search Qantas Airways flights
WestJet	PriceFrom $170	Free Cancellation	Rating 7.2 3,332 reviews	Search WestJet flights
Porter Airlines	PriceFrom $174	Free Cancellation	Rating 8.0 437 reviews	Search Porter Airlines flights
American Airlines	PriceFrom $213	Free Cancellation	Rating 7.1 11,667 reviews	Search American Airlines flights

Why use momondo?

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

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 Ontario from Illinois.

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

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

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Illinois to Ontario.

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

Yes. momondo can track prices for Illinois to Ontario 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 Region of Ontario trip

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Popular cities in Ontario

Flights to Torontofrom $115

Flights to Vancouverfrom $146

Flights to Montrealfrom $219

Flights to Calgaryfrom $221

Flights to Ottawafrom $277

Flights to Halifaxfrom $227

Flights to Winnipegfrom $280

Flights to Québec Cityfrom $372

Flights to Saskatoonfrom $221

Flights to Kelownafrom $299

Flights to St. John'sfrom $327

Flights to Reginafrom $354

Cheap flights from Illinois to Ontario from $91

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to Ontario departing on 5/16. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Air Canada flights from Illinois to Region of Ontario

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Our best WestJet deals on Illinois to Region of Ontario flight tickets

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How to get the cheapest flight ticket from Illinois to Region of Ontario

What is the cheapest month to fly to Region of Ontario?

What is the cheapest day to depart on your flight to Region of Ontario?

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

What is the cheapest Illinois to Ontario flight route?

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

Can stopping save me money on Illinois to Region of Ontario flights?

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

What airlines fly to Region of Ontario?

How many flights depart from Illinois to Region of Ontario on average per day?

How many flights depart from Illinois to Region of Ontario on average per week?

How long is the flight from Illinois to Region of Ontario?

Cheap Illinois to Region of Ontario flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Illinois to Region of Ontario

Best Price Found

Fastest flight time

Direct flights

Airports in Region of Ontario

Frequently asked questions about flying from Illinois to Ontario

Best airlines flying from Illinois to Region of Ontario

Compare and see reviews for airlines that fly from Illinois to Region of Ontario with momondo

Why use momondo?

An easier way to manage your Region of Ontario 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 Ontario

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