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Cheap flights from Ontario to Chicago O'Hare Intl Airport from $136

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to Chicago O'Hare Intl Airport departing on 12/18. 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 Ontario to Chicago

Cheap round-trip flights

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

Cheap last minute flights

Planning a quick getaway from Ontario to Chicago? 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 Chicago, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from Ontario to Chicago

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

All round-trip flight deals to Chicago

The cheapest plane tickets to Chicago found on KAYAK recently.
12:20 pm - 1:11 pmYYZ-ORD
1h 51mnonstop
10:53 am - 1:42 pmORD-YYZ
1h 49mnonstop
$228Air Canada
Find Deal
Wed, Dec 18 - Wed, Jan 8
12:25 pm - 6:50 pmYTZ-ORD
7h 25m1 stop
11:35 am - 5:50 pmORD-YTZ
5h 15m1 stop
$228Air Canada
Find Deal
Sat, Feb 1 - Sun, Feb 9
3:30 pm - 4:30 pmYYZ-ORD
2h 00mnonstop
4:51 pm - 7:45 pmORD-YYZ
1h 54mnonstop
$231Air Canada
Find Deal
Tue, Dec 10 - Wed, Dec 25
6:20 pm - 7:20 pmYYZ-ORD
2h 00mnonstop
9:49 am - 12:30 pmORD-YYZ
1h 41mnonstop
$246American Airlines
Find Deal
Sat, Dec 7 - Tue, Dec 10
6:30 am - 2:39 pmYYZ-ORD
9h 09m1 stop
8:35 am - 4:37 pmORD-YYZ
7h 02m1 stop
$251Delta
Find Deal
Sat, Dec 7 - Tue, Dec 10
6:00 am - 1:00 pmYYZ-ORD
8h 00m1 stop
5:20 pm - 10:36 pmORD-YYZ
4h 16m1 stop
$252Delta
Find Deal
Tue, Dec 17 - Wed, Dec 18
6:20 pm - 7:20 pmYYZ-ORD
2h 00mnonstop
8:11 am - 10:51 amORD-YYZ
1h 40mnonstop
$255American Airlines
Find Deal
Tue, Feb 11 - Sat, Feb 15
11:00 am - 11:59 amYYZ-ORD
1h 59mnonstop
8:25 pm - 11:06 pmORD-YYZ
1h 41mnonstop
Wed, Dec 11 - Tue, Dec 31
7:40 pm - 11:20 pmYYZ-ORD
4h 40m1 stop
7:20 am - 3:41 pmORD-YYZ
7h 21m1 stop
Wed, Dec 18 - Wed, Jan 8
2:30 pm - 7:59 pmYYZ-ORD
6h 29m1 stop
6:15 am - 1:48 pmORD-YYZ
6h 33m1 stop
$260KLM
Find Deal
Thu, Jan 9 - Sun, Jan 12
12:20 pm - 1:11 pmYYZ-ORD
1h 51mnonstop
$136Air Canada
Find Deal
Wed, Dec 18
8:25 am - 2:45 pmYTZ-ORD
7h 20m1 stop
$136Air Canada
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Wed, Feb 12
6:35 pm - 7:32 pmYYZ-ORD
1h 57mnonstop
$144United Airlines
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Fri, Dec 13
12:20 pm - 6:38 pmYYZ-ORD
7h 18m1 stop
$145United Airlines
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Thu, Jan 16
2:55 pm - 10:25 pmYYZ-ORD
8h 30m1 stop
$151Delta
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Sat, Dec 14
6:30 am - 11:39 amYYZ-ORD
6h 09m1 stop
$152Delta
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Sun, Dec 8
5:30 pm - 8:48 amYUL-ORD
16h 18m1 stop
$168American Airlines
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Tue, Dec 10
7:05 am - 11:07 pmYYZ-ORD
17h 02m2 stops
Tue, Dec 17
7:05 am - 11:02 pmYYZ-ORD
16h 57m2 stops
Tue, Jan 14
7:14 am - 12:28 pmYUL-ORD
6h 14m1 stop
$174American Airlines
Find Deal
Wed, Dec 11
9:00 am - 10:05 amYYZ-ORD
2h 05mnonstop
9:50 am - 12:31 pmORD-YYZ
1h 41mnonstop
$370Air Canada
Find Deal
Thu, Nov 21 - Mon, Nov 25
7:05 am - 6:41 pmYYZ-ORD
12h 36m1 stop
5:00 am - 3:17 pmORD-YYZ
9h 17m1 stop
Tue, Nov 19 - Wed, Nov 20
9:15 am - 10:54 amYUL-ORD
2h 39mnonstop
5:59 pm - 9:17 pmORD-YUL
2h 18mnonstop
$407Air Canada
Find Deal
Wed, Nov 20 - Fri, Nov 29
1:10 pm - 9:35 amYTZ-ORD
21h 25m2 stops
8:04 pm - 9:25 pmORD-YTZ
24h 21m3 stops
Tue, Nov 19 - Wed, Nov 20
6:15 am - 10:50 amYYZ-ORD
5h 35m1 stop
6:17 am - 1:41 pmORD-YYZ
6h 24m1 stop
$408WestJet
Find Deal
Wed, Nov 20 - Wed, Nov 27
6:30 am - 11:40 amYYZ-ORD
6h 10m1 stop
7:05 am - 11:24 amORD-YYZ
3h 19m1 stop
$412WestJet
Find Deal
Thu, Nov 21 - Mon, Nov 25
10:59 am - 8:33 pmYUL-ORD
10h 34m1 stop
8:19 am - 10:44 pmORD-YUL
13h 25m1 stop
$412American Airlines
Find Deal
Wed, Nov 20 - Fri, Nov 29
12:20 pm - 6:36 pmYYZ-ORD
7h 16m1 stop
11:51 am - 7:20 pmORD-YYZ
6h 29m1 stop
$415United Airlines
Find Deal
Thu, Nov 21 - Mon, Nov 25
12:20 pm - 1:11 pmYYZ-ORD
1h 51mnonstop
8:57 am - 4:06 pmORD-YYZ
6h 09m1 stop
$421United Airlines
Find Deal
Tue, Nov 19 - Fri, Nov 29
12:30 pm - 2:25 pmYUL-ORD
2h 55mnonstop
7:00 am - 10:44 pmORD-YUL
14h 44m1 stop
$429American Airlines
Find Deal
Tue, Nov 19 - Sat, Nov 30
12:20 pm - 1:11 pmYYZ-ORD
1h 51mnonstop
10:53 am - 1:42 pmORD-YYZ
1h 49mnonstop
$228Air Canada
Find Deal
Wed, Dec 18 - Wed, Jan 8
3:30 pm - 4:30 pmYYZ-ORD
2h 00mnonstop
4:51 pm - 7:45 pmORD-YYZ
1h 54mnonstop
$231Air Canada
Find Deal
Tue, Dec 10 - Wed, Dec 25
3:30 pm - 4:41 pmYYZ-ORD
2h 11mnonstop
9:50 am - 12:31 pmORD-YYZ
1h 41mnonstop
$232Air Canada
Find Deal
Mon, Jan 20 - Fri, Jan 24
6:15 am - 7:30 amYYZ-ORD
2h 15mnonstop
9:49 am - 12:30 pmORD-YYZ
1h 41mnonstop
$234American Airlines
Find Deal
Wed, Dec 11 - Tue, Dec 17
6:20 pm - 7:20 pmYYZ-ORD
2h 00mnonstop
9:49 am - 12:30 pmORD-YYZ
1h 41mnonstop
$246American Airlines
Find Deal
Sat, Dec 7 - Tue, Dec 10
6:20 pm - 7:20 pmYYZ-ORD
2h 00mnonstop
9:49 am - 12:30 pmORD-YYZ
1h 41mnonstop
$251British Airways
Find Deal
Thu, Jan 9 - Sun, Jan 12
11:00 am - 11:59 amYYZ-ORD
1h 59mnonstop
8:25 pm - 11:06 pmORD-YYZ
1h 41mnonstop
Wed, Dec 11 - Tue, Dec 31
9:00 pm - 10:07 pmYYZ-ORD
2h 07mnonstop
7:19 am - 9:58 amORD-YYZ
1h 39mnonstop
$268Lufthansa
Find Deal
Fri, Dec 6 - Sun, Dec 8
12:30 pm - 2:25 pmYUL-ORD
2h 55mnonstop
7:20 am - 10:32 amORD-YUL
2h 12mnonstop
Thu, Nov 28 - Mon, Dec 2
4:45 pm - 6:41 pmYUL-ORD
2h 56mnonstop
7:20 am - 10:32 amORD-YUL
2h 12mnonstop
$515Lufthansa
Find Deal
Thu, Nov 28 - Sun, Dec 1

Air Canada flights from Region of Ontario to Chicago O'Hare Intl Airport

Our best Air Canada deals on Region of Ontario to Chicago O'Hare Intl Airport flight tickets
Air Canada
Dec 18
YYZ12:20 pmToronto Pearson Intl
1h 51m
ORD1:11 pmChicago O'Hare Intl
Jan 8
ORD10:53 amChicago O'Hare Intl
1h 49m
YYZ1:42 pmToronto Pearson Intl
Air Canada
Dec 10
YYZ3:30 pmToronto Pearson Intl
2h 00m
ORD4:30 pmChicago O'Hare Intl
Dec 25
ORD4:51 pmChicago O'Hare Intl
1h 54m
YYZ7:45 pmToronto Pearson Intl
Air Canada
Dec 25
YYZ12:20 pmToronto Pearson Intl
7h 18m
1 stop
ORD6:38 pmChicago O'Hare Intl
Jan 6
ORD8:30 pmChicago O'Hare Intl
1h 41m
YYZ11:11 pmToronto Pearson Intl

American Airlines flights from Region of Ontario to Chicago O'Hare Intl Airport

Our best American Airlines deals on Region of Ontario to Chicago O'Hare Intl Airport flight tickets
American Airlines
Dec 7
YYZ6:20 pmToronto Pearson Intl
2h 00m
ORD7:20 pmChicago O'Hare Intl
Dec 10
ORD9:49 amChicago O'Hare Intl
1h 41m
YYZ12:30 pmToronto Pearson Intl
American Airlines
Feb 11
YYZ6:20 pmToronto Pearson Intl
2h 00m
ORD7:20 pmChicago O'Hare Intl
Feb 15
ORD8:11 amChicago O'Hare Intl
1h 40m
YYZ10:51 amToronto Pearson Intl
American Airlines
Jan 9
YYZ6:20 pmToronto Pearson Intl
2h 00m
ORD7:20 pmChicago O'Hare Intl
Jan 12
ORD8:11 amChicago O'Hare Intl
1h 40m
YYZ10:51 amToronto Pearson Intl

How to get the cheapest flight ticket from Region of Ontario to Chicago O'Hare Intl Airport

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 Chicago O'Hare Intl Airport from Region of Ontario?

Porter Airlines. Porter Airlines, American Airlines, and Air Canada are the most popular carriers operating from Region of Ontario to Chicago O'Hare Intl Airport

What cabin class options are available on Region of Ontario to Chicago O'Hare Intl Airport flights?

There are 4 cabin classes available to choose from on Region of Ontario to Chicago O'Hare Intl Airport 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 Region of Ontario to Chicago O'Hare Intl Airport flights?

No. A direct flight is the cheapest option for a flight between Region of Ontario to Chicago O'Hare Intl Airport.

Cheap Region of Ontario to Chicago O'Hare Intl Airport flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Region of Ontario to Chicago O'Hare Intl Airport

Best Price Found

$136

Fastest flight time

1h 51m

Direct flights

Every day
The best one-way flight to Chicago O'Hare Intl Airport from Region of Ontario in the past 72 hours is $136. The best round-trip flight deal from Region of Ontario to Chicago O'Hare Intl Airport found on momondo in the last 72 hours is $228.
The fastest flight from Region of Ontario to Chicago O'Hare Intl Airport takes 1h 51m
Direct flights go from Region of Ontario to Chicago O'Hare Intl Airport every day.

  • When did momondo last update prices for flights from Ontario to Chicago O'Hare Intl Airport?

    Prices for flights from Ontario to Chicago O'Hare Intl Airport were last updated today.

  • How many operators does momondo search for flights from Ontario to Chicago O'Hare Intl Airport?

  • How old do you have to be to fly from Ontario to Chicago O'Hare Intl Airport?

    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 Ontario to Chicago O'Hare Intl Airport.

  • What documentation or ID do you need to fly to Chicago O'Hare Intl Airport?

    The travel and health documents you'll need for your trip to Chicago O'Hare Intl Airport 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 Chicago O'Hare Intl Airport. 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 Region of Ontario to Chicago O'Hare Intl Airport?


Best airlines flying from Region of Ontario to Chicago O'Hare Intl Airport

Compare and see reviews for airlines that fly from Region of Ontario to Chicago O'Hare Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
Air CanadaPriceFrom $157Free CancellationRating
7.0
8,217 reviews
Search Air Canada flights
United AirlinesPriceFrom $219Free CancellationRating
7.4
9,182 reviews
Search United Airlines flights
Porter AirlinesPriceFrom $221Free CancellationRating
7.7
289 reviews
Search Porter Airlines flights
American AirlinesPriceFrom $236Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights

Why use momondo?

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

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

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

All flight searches from Ontario to Chicago on momondo can be filtered to show those which offer flexible booking policies.

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

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 Ontario to Chicago.

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

Price alerts on flights to Chicago from Ontario are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.


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