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Cheap flights from Chicago O'Hare Intl Airport to Ontario from C$ 133

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 O'Hare Intl Airport to Ontario departing on 22/9. 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 O'Hare Intl Airport to Ontario

Cheap round-trip flights

Enter your travel dates to find the best prices.
Porter Airlines Logo
11:45 a.m. - 2:25 p.m.
ORD
-
YTZ
1h 40mdirect
Porter Airlines Logo
8:40 p.m. - 9:35 p.m.
YTZ
-
ORD
1h 55mdirect
C$ 298Porter Airlines
Tue, 22 Sep - Thu, 24 Sep
Porter Airlines Logo
11:45 a.m. - 2:25 p.m.
ORD
-
YTZ
1h 40mdirect
Porter Airlines Logo
8:40 p.m. - 9:35 p.m.
YTZ
-
ORD
1h 55mdirect
C$ 301Porter Airlines
Tue, 1 Sep - Tue, 8 Sep
Porter Airlines Logo
11:45 a.m. - 2:25 p.m.
ORD
-
YTZ
1h 40mdirect
Porter Airlines Logo
10:05 a.m. - 11:00 a.m.
YTZ
-
ORD
1h 55mdirect
C$ 305Porter Airlines
Thu, 3 Sep - Mon, 7 Sep
Air Canada Logo
7:25 a.m. - 10:06 a.m.
ORD
-
YTZ
1h 41mdirect
Air Canada Logo
12:15 p.m. - 1:10 p.m.
YTZ
-
ORD
1h 55mdirect
C$ 309Air Canada
Tue, 2 Jun - Tue, 9 Jun
Air Canada Logo
7:25 a.m. - 10:06 a.m.
ORD
-
YTZ
1h 41mdirect
Air Canada Logo
12:15 p.m. - 1:10 p.m.
YTZ
-
ORD
1h 55mdirect
C$ 310Air Canada
Wed, 3 Jun - Wed, 10 Jun
Porter Airlines Logo
7:00 a.m. - 9:40 a.m.
ORD
-
YTZ
1h 40mdirect
Porter Airlines Logo
1:40 p.m. - 2:35 p.m.
YTZ
-
ORD
1h 55mdirect
C$ 312Porter Airlines
Fri, 25 Sep - Sun, 27 Sep
Multiple Airlines Logo
7:25 a.m. - 2:54 p.m.
ORD
-
YOW
6h 29m
1 stop
Multiple Airlines Logo
8:40 a.m. - 8:16 p.m.
YOW
-
ORD
12h 36m
1 stop
C$ 621Multiple Airlines
Thu, 11 Jun - Mon, 15 Jun
Multiple Airlines Logo
8:40 p.m. - 8:05 a.m.
ORD
-
YOW
10h 25m
1 stop
Multiple Airlines Logo
6:55 a.m. - 7:47 p.m.
YOW
-
ORD
13h 52m
1 stop
C$ 651Multiple Airlines
Sat, 20 Jun - Sat, 27 Jun
WestJet Logo
5:30 p.m. - 5:20 a.m.
ORD
-
YXU
10h 50m
1 stop
WestJet Logo
6:10 a.m. - 4:40 p.m.
YXU
-
ORD
11h 30m
1 stop
C$ 831WestJet
Sat, 23 May - Tue, 26 May
WestJet Logo
5:30 p.m. - 5:20 a.m.
ORD
-
YXU
10h 50m
1 stop
WestJet Logo
6:10 a.m. - 4:40 p.m.
YXU
-
ORD
11h 30m
1 stop
C$ 864WestJet
Sat, 23 May - Tue, 26 May

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

Our best American Airlines deals on Chicago O'Hare Intl Airport to Region of Ontario flight tickets
American Airlines
6 Jun
ORD1:19 p.m.Chicago O'Hare Intl
8h 11m
1 stop
YYZ10:30 p.m.Toronto Pearson Intl
7 Jun
YYZ7:25 a.m.Toronto Pearson Intl
2h 10m
ORD8:35 a.m.Chicago O'Hare Intl
C$ 394
American Airlines
23 May
ORD8:30 p.m.Chicago O'Hare Intl
1h 54m
YYZ11:24 p.m.Toronto Pearson Intl
24 May
YYZ7:24 p.m.Toronto Pearson Intl
5h 35m
1 stop
ORD11:59 p.m.Chicago O'Hare Intl
C$ 402
American Airlines
9 Jun
ORD9:45 a.m.Chicago O'Hare Intl
1h 50m
YYZ12:35 p.m.Toronto Pearson Intl
11 Jun
YYZ1:15 p.m.Toronto Pearson Intl
2h 05m
ORD2:20 p.m.Chicago O'Hare Intl
C$ 413

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

Our best Air Canada deals on Chicago O'Hare Intl Airport to Region of Ontario flight tickets
Air Canada
18 Jun
ORD7:25 a.m.Chicago O'Hare Intl
1h 41m
YTZ10:06 a.m.Toronto Island
19 Jun
YTZ7:20 p.m.Toronto Island
1h 56m
ORD8:16 p.m.Chicago O'Hare Intl
C$ 309
Air Canada
3 Jun
ORD7:25 a.m.Chicago O'Hare Intl
1h 41m
YTZ10:06 a.m.Toronto Island
10 Jun
YTZ12:15 p.m.Toronto Island
1h 55m
ORD1:10 p.m.Chicago O'Hare Intl
C$ 310
Air Canada
28 May
ORD9:55 a.m.Chicago O'Hare Intl
1h 40m
YYZ12:35 p.m.Toronto Pearson Intl
31 May
YYZ6:40 p.m.Toronto Pearson Intl
2h 00m
ORD7:40 p.m.Chicago O'Hare Intl
C$ 313

momondo Fare Finder

 
Customize your flight search to find flights from Chicago O'Hare Intl Airport to Region of Ontario that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 96,600 searches. Data last updated 10 May 2026.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

ChicagoToronto

ORD - YTZ

ORDYTZ

Chicago O'Hare Intl

Tue 22/9

11:45 a.m.-2:25 p.m.

Nonstop1h 40m

Toronto Island

Thu 24/9

8:40 p.m.-9:35 p.m.

Nonstop1h 55m

C$ 298

ChicagoToronto

ORD - YTZ

ORDYTZ

Chicago O'Hare Intl

Tue 1/9

11:45 a.m.-2:25 p.m.

Nonstop1h 40m

Toronto Island

Tue 8/9

8:40 p.m.-9:35 p.m.

Nonstop1h 55m

C$ 301

ChicagoToronto

ORD - YTZ

ORDYTZ

Chicago O'Hare Intl

Thu 3/9

11:45 a.m.-2:25 p.m.

Nonstop1h 40m

Toronto Island

Mon 7/9

10:05 a.m.-11:00 a.m.

Nonstop1h 55m

C$ 305

ChicagoToronto

ORD - YTZ

ORDYTZ

Chicago O'Hare Intl

Tue 2/6

7:25 a.m.-10:06 a.m.

Nonstop1h 41m

Toronto Island

Tue 9/6

12:15 p.m.-1:10 p.m.

Nonstop1h 55m

C$ 309

ChicagoToronto

ORD - YTZ

ORDYTZ

Chicago O'Hare Intl

Wed 3/6

7:25 a.m.-10:06 a.m.

Nonstop1h 41m

Toronto Island

Wed 10/6

12:15 p.m.-1:10 p.m.

Nonstop1h 55m

C$ 310

ChicagoToronto

ORD - YTZ

ORDYTZ

Chicago O'Hare Intl

Fri 25/9

7:00 a.m.-9:40 a.m.

Nonstop1h 40m

Toronto Island

Sun 27/9

1:40 p.m.-2:35 p.m.

Nonstop1h 55m

C$ 312

ChicagoOttawa

ORD - YOW

ORDYOW

Chicago O'Hare Intl

Thu 11/6

7:25 a.m.-2:54 p.m.

1 stop6h 29m

Ottawa

Mon 15/6

8:40 a.m.-8:16 p.m.

1 stop12h 36m

C$ 621

ChicagoOttawa

ORD - YOW

ORDYOW

Chicago O'Hare Intl

Sat 20/6

8:40 p.m.-8:05 a.m.

1 stop10h 25m

Ottawa

Sat 27/6

6:55 a.m.-7:47 p.m.

1 stop13h 52m

C$ 651

ChicagoLondon

ORD - YXU

ORDYXU

Chicago O'Hare Intl

Sat 23/5

5:30 p.m.-5:20 a.m.

1 stop10h 50m

London

Tue 26/5

6:10 a.m.-4:40 p.m.

1 stop11h 30m

C$ 831

ChicagoLondon

ORD - YXU

ORDYXU

Chicago O'Hare Intl

Sat 23/5

5:30 p.m.-5:20 a.m.

1 stop10h 50m

London

Tue 26/5

6:10 a.m.-4:40 p.m.

1 stop11h 30m

C$ 864

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Ontario from

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

In general, November is the cheapest month to fly from Chicago O'Hare Intl Airport to Region of Ontario. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around C$ 79. If you are unable to visit Region of Ontario during the month of November, then departing from Chicago O'Hare Intl Airport during the month May is also very affordable. Most momondo users find prices during this month for around C$ 94.

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

The cheapest day to depart from Chicago O'Hare Intl Airport to Region of Ontario is on a Thursday. Travellers who choose to depart for Region of Ontario on a Thursday will often find tickets for as low as C$ 258. The most expensive day to fly to Region of Ontario is Monday, with ticket prices averaging around C$ 504.

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

Our most recent data shows that the best time of day to fly to Region of Ontario is in the evening. Flights from Chicago O'Hare Intl Airport to Region of Ontario during this time can be as low as C$ 259. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are C$ 450 on average. Flights to Region of Ontario from Chicago O'Hare Intl Airport in the morning are generally more expensive because this time of day is more convenient for travellers’ schedules.

What is the cheapest Chicago O'Hare Intl to Ontario flight route?

Fly from Chicago O'Hare Intl to Toronto Pearson Intl for the best Chicago O'Hare Intl - Ontario flight prices

How far in advance should I book a flight from Chicago O'Hare Intl Airport to Ontario?

You are more likely to see cheaper flights to Region of Ontario from Chicago O'Hare Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Region of Ontario for around C$ 417 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 Chicago O'Hare Intl Airport for as low as C$ 278 on momondo.

Can stopping save me money on Chicago O'Hare Intl Airport to Region of Ontario flights?

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

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

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

Best price found

C$ 148

Fastest flight time

1h 39m

Direct flights

Every day

Airports in Region of Ontario

125 airports
The best one-way flight to Region of Ontario from Chicago O'Hare Intl Airport in the past 72 hours is C$ 148. The best round-trip flight deal from Chicago O'Hare Intl Airport to Region of Ontario found on momondo in the last 72 hours is C$ 138.
The fastest flight from Chicago O'Hare Intl Airport to Region of Ontario takes 1h 39m
Direct flights go from Chicago O'Hare Intl Airport to Region of Ontario every day.
There are 125 airports in Region of Ontario. From Chicago O'Hare Intl Airport there are direct flights to Toronto Pearson Intl (YYZ), Toronto Island (YTZ).
Search flight deals

Frequently asked questions about flying from Chicago O'Hare Intl Airport to Ontario

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

    Prices for flights from Chicago O'Hare Intl Airport to Ontario are refreshed on a daily basis.

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

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

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

Compare and see reviews for airlines that fly from Chicago O'Hare Intl Airport to Region of Ontario with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom C$ 133Free CancellationRating
7.1
11,667 reviews
Search American Airlines flights
United AirlinesPriceFrom C$ 258Free CancellationRating
7.4
9,694 reviews
Search United Airlines flights
Air CanadaPriceFrom C$ 282Free CancellationRating
7.1
11,012 reviews
Search Air Canada flights

Why use momondo?

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

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

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

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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