Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Illinois to Ontario from C$ 143

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 17/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult

Deals available from 900+ travel sites.

"This year, momondo is the #1 place for airfares on the internet."
Save money when you book flights with momondo
Big names, great deals
Big names, great deals
Search 100s of travel sites to compare prices.
Filter for what you want
Filter for what you want
Free Wi-Fi? Early arrival? Instantly customize your results
Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.
Price Alerts
Price Alerts
Not ready to book? to track prices.

Find the cheapest flights from Illinois to Ontario

Cheap round-trip flights

These are some of the best round-trip flight deals from Illinois to Ontario that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from Illinois to Ontario.

Cheap last-minute flights

Planning a quick getaway from Illinois to Ontario? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Ontario, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from Illinois to Ontario

Find recent round-trip train or bus tickets from Illinois to Ontario.

All round-trip flight deals to Ontario

The cheapest plane tickets to Ontario found on KAYAK recently.
12:05 p.m. - 2:47 p.m.MDW-YTZ
1h 42mdirect
9:30 a.m. - 10:20 a.m.YTZ-MDW
1h 50mdirect
C$ 317Porter Airlines
Find Deal
Wed, 18 Dec - Tue, 31 Dec
12:05 p.m. - 2:47 p.m.MDW-YTZ
1h 42mdirect
9:30 a.m. - 10:20 a.m.YTZ-MDW
1h 50mdirect
C$ 327Porter Airlines
Find Deal
Wed, 18 Dec - Tue, 31 Dec
5:35 p.m. - 8:17 p.m.MDW-YTZ
1h 42mdirect
9:30 a.m. - 10:20 a.m.YTZ-MDW
1h 50mdirect
C$ 331Porter Airlines
Find Deal
Wed, 25 Dec - Tue, 31 Dec
12:52 p.m. - 3:45 p.m.ORD-YYZ
1h 53mdirect
7:40 p.m. - 11:20 p.m.YYZ-ORD
4h 40m1 stop
C$ 352United Airlines
Find Deal
Wed, 18 Dec - Wed, 18 Dec
7:10 a.m. - 1:43 p.m.ORD-YYZ
5h 33m1 stop
5:30 p.m. - 6:43 p.m.YYZ-ORD
2h 13mdirect
C$ 362United Airlines
Find Deal
Tue, 14 Jan - Tue, 14 Jan
11:25 a.m. - 2:07 p.m.MDW-YTZ
1h 42mdirect
3:50 p.m. - 4:40 p.m.YTZ-MDW
1h 50mdirect
C$ 363
Find Deal
Thu, 5 Dec - Sun, 8 Dec
2:00 p.m. - 8:25 p.m.ORD-YYZ
5h 25m1 stop
6:35 p.m. - 7:32 p.m.YYZ-ORD
1h 57mdirect
C$ 372Air Canada
Find Deal
Wed, 18 Dec - Tue, 31 Dec
11:35 a.m. - 7:50 p.m.ORD-YTZ
7h 15m1 stop
10:25 a.m. - 2:45 p.m.YTZ-ORD
5h 20m1 stop
C$ 377Air Canada
Find Deal
Fri, 10 Jan - Mon, 13 Jan
10:53 a.m. - 1:42 p.m.ORD-YYZ
1h 49mdirect
9:00 a.m. - 10:10 a.m.YYZ-ORD
2h 10mdirect
C$ 387Lufthansa
Find Deal
Thu, 9 Jan - Sun, 12 Jan
8:11 a.m. - 10:56 a.m.ORD-YYZ
1h 45mdirect
9:00 a.m. - 10:06 a.m.YYZ-ORD
2h 06mdirect
C$ 391
Find Deal
Thu, 5 Dec - Sun, 8 Dec
6:49 p.m. - 11:45 a.m.MDW-YYZ
15h 56m1 stop
C$ 143
Find Deal
Tue, 17 Dec
6:49 p.m. - 1:55 p.m.MDW-YYZ
18h 06m1 stop
C$ 144
Find Deal
Tue, 17 Dec
11:35 a.m. - 5:50 p.m.ORD-YTZ
5h 15m1 stop
C$ 164Air Canada
Find Deal
Tue, 17 Dec
4:00 p.m. - 6:41 p.m.ORD-YYZ
1h 41mdirect
C$ 165Air Canada
Find Deal
Tue, 7 Jan
5:35 p.m. - 8:17 p.m.MDW-YTZ
1h 42mdirect
C$ 170Porter Airlines
Find Deal
Tue, 17 Dec
7:25 a.m. - 10:15 p.m.ORD-YYZ
13h 50m1 stop
C$ 170United Airlines
Find Deal
Tue, 24 Dec
1:30 p.m. - 10:36 p.m.MDW-YYZ
8h 06m1 stop
C$ 170Delta
Find Deal
Wed, 18 Dec
7:19 a.m. - 9:58 a.m.ORD-YYZ
1h 39mdirect
C$ 171United Airlines
Find Deal
Mon, 9 Dec
11:15 a.m. - 6:00 p.m.MDW-YUL
5h 45m1 stop
C$ 177Porter Airlines
Find Deal
Sun, 8 Dec
9:34 a.m. - 4:12 p.m.MDW-YYZ
5h 38m1 stop
C$ 178Delta
Find Deal
Fri, 10 Jan
5:00 a.m. - 3:17 p.m.ORD-YYZ
9h 17m1 stop
8:00 p.m. - 10:56 a.m.YYZ-ORD
15h 56m1 stop
C$ 456
Find Deal
Tue, 19 Nov - Wed, 20 Nov
1:09 p.m. - 11:35 p.m.ORD-YYZ
9h 26m1 stop
8:35 a.m. - 5:15 p.m.YYZ-ORD
9h 40m1 stop
C$ 468
Find Deal
Tue, 19 Nov - Sat, 23 Nov
1:31 p.m. - 11:59 p.m.ORD-YYZ
9h 28m1 stop
6:30 a.m. - 2:44 p.m.YYZ-ORD
9h 14m1 stop
C$ 585WestJet
Find Deal
Mon, 18 Nov - Thu, 21 Nov
11:15 a.m. - 1:57 p.m.MDW-YTZ
1h 42mdirect
3:50 p.m. - 4:40 p.m.YTZ-MDW
1h 50mdirect
C$ 667Porter Airlines
Find Deal
Mon, 18 Nov - Sun, 24 Nov
5:55 p.m. - 9:09 a.m.ORD-YYZ
14h 14m1 stop
5:30 p.m. - 8:25 p.m.YYZ-ORD
3h 55m1 stop
C$ 676WestJet
Find Deal
Tue, 19 Nov - Mon, 25 Nov
11:15 a.m. - 1:57 p.m.MDW-YTZ
1h 42mdirect
11:10 a.m. - 12:00 p.m.YTZ-MDW
1h 50mdirect
C$ 680Porter Airlines
Find Deal
Mon, 18 Nov - Sat, 23 Nov
6:34 p.m. - 9:29 p.m.ORD-YYZ
1h 55mdirect
1:10 p.m. - 2:10 p.m.YYZ-ORD
2h 00mdirect
C$ 697American Airlines
Find Deal
Mon, 18 Nov - Wed, 27 Nov
4:00 p.m. - 10:31 p.m.ORD-YYZ
5h 31m1 stop
11:37 a.m. - 12:37 p.m.YYZ-ORD
2h 00mdirect
C$ 711American Airlines
Find Deal
Mon, 18 Nov - Wed, 27 Nov
7:20 a.m. - 2:41 p.m.ORD-YYZ
6h 21m1 stop
12:20 p.m. - 1:11 p.m.YYZ-ORD
1h 51mdirect
C$ 726Air Canada
Find Deal
Tue, 19 Nov - Mon, 25 Nov
7:19 a.m. - 9:58 a.m.ORD-YYZ
1h 39mdirect
2:00 p.m. - 2:51 p.m.YYZ-ORD
1h 51mdirect
C$ 744Air Canada
Find Deal
Sun, 17 Nov - Wed, 20 Nov
12:05 p.m. - 2:47 p.m.MDW-YTZ
1h 42mdirect
9:30 a.m. - 10:20 a.m.YTZ-MDW
1h 50mdirect
C$ 317Porter Airlines
Find Deal
Wed, 18 Dec - Tue, 31 Dec
12:05 p.m. - 2:47 p.m.MDW-YTZ
1h 42mdirect
9:30 a.m. - 10:20 a.m.YTZ-MDW
1h 50mdirect
C$ 327Porter Airlines
Find Deal
Wed, 18 Dec - Tue, 31 Dec
5:35 p.m. - 8:17 p.m.MDW-YTZ
1h 42mdirect
9:30 a.m. - 10:20 a.m.YTZ-MDW
1h 50mdirect
C$ 331Porter Airlines
Find Deal
Wed, 25 Dec - Tue, 31 Dec
11:25 a.m. - 2:07 p.m.MDW-YTZ
1h 42mdirect
3:50 p.m. - 4:40 p.m.YTZ-MDW
1h 50mdirect
C$ 363
Find Deal
Thu, 5 Dec - Sun, 8 Dec
10:51 a.m. - 1:42 p.m.ORD-YYZ
1h 51mdirect
11:00 a.m. - 12:13 p.m.YYZ-ORD
2h 13mdirect
C$ 372Air Canada
Find Deal
Wed, 18 Dec - Tue, 31 Dec
10:51 a.m. - 1:42 p.m.ORD-YYZ
1h 51mdirect
12:20 p.m. - 1:11 p.m.YYZ-ORD
1h 51mdirect
C$ 379United Airlines
Find Deal
Wed, 18 Dec - Tue, 31 Dec
8:25 p.m. - 11:06 p.m.ORD-YYZ
1h 41mdirect
12:20 p.m. - 1:11 p.m.YYZ-ORD
1h 51mdirect
C$ 383Air Canada
Find Deal
Mon, 16 Dec - Wed, 18 Dec
10:53 a.m. - 1:42 p.m.ORD-YYZ
1h 49mdirect
9:00 a.m. - 10:10 a.m.YYZ-ORD
2h 10mdirect
C$ 387Lufthansa
Find Deal
Thu, 9 Jan - Sun, 12 Jan
10:51 a.m. - 1:42 p.m.ORD-YYZ
1h 51mdirect
9:00 p.m. - 10:13 p.m.YYZ-ORD
2h 13mdirect
C$ 388United Airlines
Find Deal
Wed, 18 Dec - Mon, 6 Jan
8:11 a.m. - 10:56 a.m.ORD-YYZ
1h 45mdirect
9:00 a.m. - 10:06 a.m.YYZ-ORD
2h 06mdirect
C$ 391
Find Deal
Thu, 5 Dec - Sun, 8 Dec

United Airlines flights from Illinois to Region of Ontario

Our best United Airlines deals on Illinois to Region of Ontario flight tickets
United Airlines
18 Dec
ORD12:52 p.m.Chicago O'Hare Intl
1h 53m
YYZ3:45 p.m.Toronto Pearson Intl
18 Dec
YYZ7:40 p.m.Toronto Pearson Intl
4h 40m
1 stop
ORD11:20 p.m.Chicago O'Hare Intl
United Airlines
14 Jan
ORD7:10 a.m.Chicago O'Hare Intl
5h 33m
1 stop
YYZ1:43 p.m.Toronto Pearson Intl
14 Jan
YYZ5:30 p.m.Toronto Pearson Intl
2h 13m
ORD6:43 p.m.Chicago O'Hare Intl
United Airlines
6 Feb
ORD7:05 a.m.Chicago O'Hare Intl
1h 53m
YYZ9:58 a.m.Toronto Pearson Intl
6 Feb
YYZ12:20 p.m.Toronto Pearson Intl
7h 18m
1 stop
ORD6:38 p.m.Chicago O'Hare Intl

Air Canada flights from Illinois to Region of Ontario

Our best Air Canada deals on Illinois to Region of Ontario flight tickets
Air Canada
18 Dec
ORD2:00 p.m.Chicago O'Hare Intl
5h 25m
1 stop
YYZ8:25 p.m.Toronto Pearson Intl
31 Dec
YYZ6:35 p.m.Toronto Pearson Intl
1h 57m
ORD7:32 p.m.Chicago O'Hare Intl
Air Canada
10 Jan
ORD11:35 a.m.Chicago O'Hare Intl
7h 15m
1 stop
YTZ7:50 p.m.Toronto Island
13 Jan
YTZ10:25 a.m.Toronto Island
5h 20m
1 stop
ORD2:45 p.m.Chicago O'Hare Intl
Air Canada
16 Jan
ORD3:35 p.m.Chicago O'Hare Intl
5h 15m
1 stop
YTZ9:50 p.m.Toronto Island
21 Jan
YTZ10:25 a.m.Toronto Island
5h 20m
1 stop
ORD2:45 p.m.Chicago O'Hare Intl

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

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

Porter Airlines. Porter Airlines, United Airlines, and Air Canada are the most popular carriers operating from Illinois to Region of Ontario

What is the cheapest Illinois to Region of Ontario flight route?

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

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

You could potentially save up to 6% on your flight if you consider stops on a Illinois to Region of Ontario flight.

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

C$ 143

Fastest flight time

1h 35m

Direct flights

Every day

Airports in Region of Ontario

3 airports
The best one-way flight to Region of Ontario from Illinois in the past 72 hours is C$ 143. The best round-trip flight deal from Illinois to Region of Ontario found on momondo in the last 72 hours is C$ 317.
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 3 airports near Region of Ontario: Montreal Pierre Elliott Trudeau Intl (YUL), Toronto Pearson Intl (YYZ), Toronto Island (YTZ)

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

    Prices for flights from Illinois to Ontario are updated daily.

  • How many operators does momondo search 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 offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify 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 travel and health documents required for your trip to Ontario can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Ontario. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from Illinois to Region of 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
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom C$ 184Free CancellationRating
7.4
9,194 reviews
Search United Airlines flights
Air CanadaPriceFrom C$ 198Free CancellationRating
7.0
8,198 reviews
Search Air Canada flights
Porter AirlinesPriceFrom C$ 306Free CancellationRating
7.7
288 reviews
Search Porter Airlines flights

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Illinois to Ontario . Millions of users trust and use momondo every year so you are in good hands.

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

Yes. momondo enables you to select and highlight flights to Ontario from Illinois with this policy.

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

momondo provides multiple filters to help you find the best flight to Ontario from Illinois. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

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.
1 adult
From?
To?
Tue 19/11
Tue 26/11
Email me momondo's favourite deals

Find better results for your trip to Ontario

Popular Cities in Ontario

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