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Cheap flights from Chicago to Ontario from $115

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago to Ontario departing on 12/17. 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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Find the cheapest flights from Chicago to Ontario

Cheap round-trip flights

These are some of the best round-trip flight deals from Chicago 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 Chicago to Ontario.

Cheap last minute flights

Planning a quick getaway from Chicago 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 Chicago to Ontario

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

All round-trip flight deals to Ontario

The cheapest plane tickets to Ontario found on KAYAK recently.
11:25 am - 2:07 pmMDW-YTZ
1h 42mnonstop
3:50 pm - 4:40 pmYTZ-MDW
1h 50mnonstop
$254Porter Airlines
Find Deal
Thu, Dec 12 - Sun, Dec 15
11:25 am - 2:07 pmMDW-YTZ
1h 42mnonstop
9:30 am - 10:20 amYTZ-MDW
1h 50mnonstop
$255Porter Airlines
Find Deal
Thu, Dec 12 - Sun, Dec 15
8:11 am - 10:56 amORD-YYZ
1h 45mnonstop
1:14 pm - 2:14 pmYYZ-ORD
2h 00mnonstop
$270American Airlines
Find Deal
Thu, Dec 12 - Sun, Dec 15
8:11 am - 10:51 amORD-YYZ
1h 40mnonstop
6:15 am - 7:30 amYYZ-ORD
2h 15mnonstop
$283American Airlines
Find Deal
Fri, Jan 10 - Tue, Jan 14
2:00 pm - 8:43 pmORD-YTZ
5h 43m1 stop
8:25 am - 2:45 pmYTZ-ORD
7h 20m1 stop
$288Air Canada
Find Deal
Wed, Dec 11 - Sat, Dec 14
7:20 am - 2:50 pmORD-YTZ
6h 30m1 stop
10:25 am - 2:45 pmYTZ-ORD
5h 20m1 stop
$293Air Canada
Find Deal
Thu, Dec 12 - Mon, Dec 16
4:00 pm - 8:34 amORD-YYZ
15h 34m1 stop
12:20 pm - 6:36 pmYYZ-ORD
7h 16m1 stop
$294United Airlines
Find Deal
Tue, Dec 10 - Wed, Dec 11
8:35 am - 4:37 pmORD-YYZ
7h 02m1 stop
6:00 am - 9:24 amYYZ-ORD
4h 24m1 stop
$295Delta
Find Deal
Thu, Dec 12 - Mon, Dec 16
8:35 am - 4:37 pmORD-YYZ
7h 02m1 stop
6:00 am - 9:24 amYYZ-ORD
4h 24m1 stop
$297Delta
Find Deal
Thu, Dec 12 - Mon, Dec 16
8:25 pm - 11:06 pmORD-YYZ
1h 41mnonstop
6:35 pm - 7:32 pmYYZ-ORD
1h 57mnonstop
$302United Airlines
Find Deal
Tue, Dec 24 - Tue, Dec 31
6:49 pm - 1:55 pmMDW-YYZ
18h 06m1 stop
Tue, Dec 17
7:45 pm - 1:55 pmORD-YYZ
17h 10m1 stop
Mon, Dec 16
7:05 am - 11:27 amORD-YYZ
3h 22m1 stop
$121Delta
Find Deal
Sun, Dec 8
9:30 am - 4:37 pmMDW-YYZ
6h 07m1 stop
$121Delta
Find Deal
Wed, Dec 11
8:25 pm - 11:06 pmORD-YYZ
1h 41mnonstop
$127United Airlines
Find Deal
Tue, Dec 24
6:35 pm - 9:20 pmORD-YYZ
1h 45mnonstop
$129American Airlines
Find Deal
Tue, Jan 21
2:01 pm - 7:50 pmORD-YTZ
4h 49m1 stop
$132Air Canada
Find Deal
Sun, Dec 15
7:20 am - 2:50 pmORD-YTZ
6h 30m1 stop
$133Air Canada
Find Deal
Sun, Dec 8
9:05 pm - 8:34 amORD-YYZ
10h 29m1 stop
$137United Airlines
Find Deal
Tue, Dec 24
5:10 am - 1:44 pmORD-YUL
7h 34m1 stop
$141American Airlines
Find Deal
Tue, Dec 17
3:26 pm - 12:42 amORD-YYZ
8h 16m1 stop
9:00 am - 5:15 pmYYZ-ORD
9h 15m1 stop
Thu, Nov 21 - Mon, Nov 25
5:00 am - 3:17 pmORD-YYZ
9h 17m1 stop
9:00 am - 5:15 pmYYZ-ORD
9h 15m1 stop
Wed, Nov 20 - Mon, Nov 25
7:28 am - 6:43 pmORD-YTZ
10h 15m1 stop
8:50 am - 12:58 pmYTZ-ORD
5h 08m1 stop
$507Air Canada
Find Deal
Sat, Nov 23 - Mon, Nov 25
6:10 pm - 8:05 amORD-YYZ
12h 55m1 stop
9:00 am - 10:05 amYYZ-ORD
2h 05mnonstop
$557Air Canada
Find Deal
Thu, Nov 21 - Wed, Dec 4
1:35 pm - 10:36 pmORD-YYZ
8h 01m1 stop
2:55 pm - 10:14 pmYYZ-ORD
8h 19m1 stop
$593Delta
Find Deal
Sat, Nov 23 - Sat, Nov 30
9:05 pm - 8:34 amORD-YYZ
10h 29m1 stop
6:52 am - 8:05 amYYZ-ORD
2h 13mnonstop
$604United Airlines
Find Deal
Sat, Nov 23 - Sat, Nov 30
6:00 am - 4:59 pmMDW-YUL
9h 59m1 stop
12:50 pm - 9:46 pmYUL-MDW
9h 56m1 stop
$608Delta
Find Deal
Wed, Nov 20 - Wed, Nov 27
9:14 pm - 11:59 pmORD-YYZ
1h 45mnonstop
9:00 am - 10:05 amYYZ-ORD
2h 05mnonstop
$610United Airlines
Find Deal
Sat, Nov 23 - Mon, Dec 2
6:34 pm - 9:29 pmORD-YYZ
1h 55mnonstop
6:15 am - 7:30 amYYZ-ORD
2h 15mnonstop
$638American Airlines
Find Deal
Sat, Nov 23 - Sun, Nov 24
7:30 am - 1:00 pmORD-YYZ
4h 30m1 stop
6:20 pm - 7:20 pmYYZ-ORD
2h 00mnonstop
$648American Airlines
Find Deal
Tue, Nov 19 - Mon, Nov 25
11:25 am - 2:07 pmMDW-YTZ
1h 42mnonstop
3:50 pm - 4:40 pmYTZ-MDW
1h 50mnonstop
$254Porter Airlines
Find Deal
Thu, Dec 12 - Sun, Dec 15
11:25 am - 2:07 pmMDW-YTZ
1h 42mnonstop
9:30 am - 10:20 amYTZ-MDW
1h 50mnonstop
$255Porter Airlines
Find Deal
Thu, Dec 12 - Sun, Dec 15
8:11 am - 10:56 amORD-YYZ
1h 45mnonstop
1:14 pm - 2:14 pmYYZ-ORD
2h 00mnonstop
$270American Airlines
Find Deal
Thu, Dec 12 - Sun, Dec 15
8:11 am - 10:51 amORD-YYZ
1h 40mnonstop
6:15 am - 7:30 amYYZ-ORD
2h 15mnonstop
$283American Airlines
Find Deal
Fri, Jan 10 - Tue, Jan 14
4:52 pm - 7:45 pmORD-YYZ
1h 53mnonstop
8:00 am - 8:57 amYYZ-ORD
1h 57mnonstop
$298Air Canada
Find Deal
Thu, Dec 12 - Mon, Dec 16
8:25 pm - 11:06 pmORD-YYZ
1h 41mnonstop
6:35 pm - 7:32 pmYYZ-ORD
1h 57mnonstop
$302United Airlines
Find Deal
Tue, Dec 24 - Tue, Dec 31
8:25 pm - 11:06 pmORD-YYZ
1h 41mnonstop
2:00 pm - 2:51 pmYYZ-ORD
1h 51mnonstop
$307Air Canada
Find Deal
Tue, Dec 24 - Mon, Jan 6
8:25 pm - 11:06 pmORD-YYZ
1h 41mnonstop
9:00 pm - 10:13 pmYYZ-ORD
2h 13mnonstop
$319United Airlines
Find Deal
Tue, Dec 24 - Mon, Jan 6
7:20 am - 10:32 amORD-YUL
2h 12mnonstop
6:20 pm - 7:55 pmYUL-ORD
2h 35mnonstop
$514Lufthansa
Find Deal
Thu, Dec 12 - Sun, Dec 15
1:55 pm - 5:06 pmORD-YOW
2h 11mnonstop
5:00 pm - 6:38 pmYOW-ORD
2h 38mnonstop
$625Lufthansa
Find Deal
Thu, Jan 2 - Thu, Jan 9

Delta flights from Chicago to Region of Ontario

Our best Delta deals on Chicago to Region of Ontario flight tickets
Delta
Dec 12
ORD8:35 amChicago O'Hare Intl
7h 02m
1 stop
YYZ4:37 pmToronto Pearson Intl
Dec 16
YYZ6:00 amToronto Pearson Intl
4h 24m
1 stop
ORD9:24 amChicago O'Hare Intl
Delta
Dec 12
ORD8:35 amChicago O'Hare Intl
7h 02m
1 stop
YYZ4:37 pmToronto Pearson Intl
Dec 16
YYZ6:00 amToronto Pearson Intl
4h 24m
1 stop
ORD9:24 amChicago O'Hare Intl
Delta
Jan 10
ORD7:30 amChicago O'Hare Intl
4h 59m
1 stop
YYZ1:29 pmToronto Pearson Intl
Jan 13
YYZ5:05 pmToronto Pearson Intl
6h 31m
1 stop
ORD10:36 pmChicago O'Hare Intl

Air Canada flights from Chicago to Region of Ontario

Our best Air Canada deals on Chicago to Region of Ontario flight tickets
Air Canada
Dec 11
ORD2:00 pmChicago O'Hare Intl
5h 43m
1 stop
YTZ8:43 pmToronto Island
Dec 14
YTZ8:25 amToronto Island
7h 20m
1 stop
ORD2:45 pmChicago O'Hare Intl
Air Canada
Dec 12
ORD7:20 amChicago O'Hare Intl
6h 30m
1 stop
YTZ2:50 pmToronto Island
Dec 16
YTZ10:25 amToronto Island
5h 20m
1 stop
ORD2:45 pmChicago O'Hare Intl
Air Canada
Dec 12
ORD4:52 pmChicago O'Hare Intl
1h 53m
YYZ7:45 pmToronto Pearson Intl
Dec 16
YYZ8:00 amToronto Pearson Intl
1h 57m
ORD8:57 amChicago O'Hare Intl

How to get the cheapest flight ticket from Chicago 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 Chicago?

American Airlines. American Airlines, Porter Airlines, and United Airlines are the most popular carriers operating from Chicago to Region of Ontario

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

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

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

As of November 2024, 87 flights take off from Chicago and land in Region of Ontario each day. The most common flight departure time for this route is 6:00PM, with 33% of daily flights taking off at noon.

What cabin class options are available on Chicago to Region of Ontario flights?

There are 2 cabin classes available to choose from on Chicago to Region of Ontario 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 Chicago to Region of Ontario flights?

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

Cheap Chicago to Region of Ontario flight deals and tips

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

Best Price Found

$115

Fastest flight time

1h 30m

Direct flights

Every day

Airports in Region of Ontario

3 airports
The best one-way flight to Region of Ontario from Chicago in the past 72 hours is $115. The best round-trip flight deal from Chicago to Region of Ontario found on momondo in the last 72 hours is $254.
The fastest flight from Chicago to Region of Ontario takes 1h 30m
Direct flights go from Chicago 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 Chicago to Ontario?

    Prices for flights from Chicago to Ontario refresh daily.

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

  • How old do you have to be to fly from Chicago to Ontario?

    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 Chicago to Ontario.

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

    The necessary travel and health documents for your Ontario 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 Chicago to Region of Ontario?


Best airlines flying from Chicago to Region of Ontario

Compare and see reviews for airlines that fly from Chicago to Region of Ontario with momondo
Airline
Rating
Free Cancellation
Price
Air CanadaPriceFrom $121Free CancellationRating
7.0
8,230 reviews
Search Air Canada flights
Porter AirlinesPriceFrom $122Free CancellationRating
7.8
288 reviews
Search Porter Airlines flights
American AirlinesPriceFrom $122Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $145Free CancellationRating
7.4
9,168 reviews
Search United Airlines flights

Why use momondo?

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

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

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

Yes. momondo allows you to filter the results for Chicago to Ontario flights to just show those with flexible booking policies.

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

momondo helps you find the best flight between Chicago and Ontario by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Of course. momondo tracks the price of Chicago to Ontario flights. All you need is a valid email address and we will do the rest; it is that quick and easy.


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