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Cheap flights from Ontario to Chicago O'Hare Intl Airport from C$ 195

YYZ — ORD
13 Nov — 20 Nov1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ontario to O'Hare Intl

Enter your travel dates to find the best prices.

Cheapest flights from Ontario to O'Hare Intl

Sun 13/128:05 a.m. -
Nonstop2h 03m
Mon 14/128:50 p.m. -
Nonstop1h 42m
Deal found 9/10C$ 315
Sat 31/104:30 p.m. -
Nonstop2h 13m
Sun 1/1110:15 a.m. -
Nonstop1h 37m
Deal found 10/10C$ 316
Wed 25/118:20 a.m. -
Nonstop2h 03m
Sun 29/118:45 a.m. -
Nonstop1h 42m
Deal found 12/10C$ 318
Sat 31/105:55 p.m. -
Nonstop2h 10m
Sun 1/115:55 a.m. -
1 stop7h 30m
Deal found 10/10C$ 328
Sat 24/1012:15 p.m. -
Nonstop2h 10m
Fri 30/101:55 p.m. -
Nonstop1h 47m
Deal found 9/10C$ 328
Sat 5/122:45 p.m. -
1 stop9h 44m
Sun 6/127:02 a.m. -
Nonstop1h 45m
Deal found 13/10C$ 329
Sat 7/117:44 p.m. -
1 stop12h 45m
Sun 8/111:57 p.m. -
Nonstop1h 50m
Deal found 9/10C$ 330
Fri 30/107:44 p.m. -
1 stop5h 17m
Sat 31/107:03 a.m. -
Nonstop1h 44m
Deal found 14/10C$ 349
Fri 6/117:26 p.m. -
Nonstop2h 22m
Sat 7/117:00 a.m. -
1 stop9h 49m
Deal found 10/10C$ 357
Sat 21/1112:10 p.m. -
1 stop4h 28m
Sun 22/111:55 p.m. -
1 stop4h 57m
Deal found 10/10C$ 357
Wed 2/127:40 p.m. -
Nonstop2h 15m
Sun 6/127:20 a.m. -
Nonstop1h 47m
Deal found 12/10C$ 360
Wed 18/116:45 a.m. -
1 stop5h 22m
Mon 23/111:55 p.m. -
Nonstop1h 47m
Deal found 9/10C$ 372

Find flight deals from Ontario to O'Hare Intl

Round-trip from

C$ 315

One-way from

C$ 195

Popular in

October

Cheapest in

February

Average price

C$ 434

Good round-trip deal

C$ 375 or less

Good one-way deal

C$ 245 or less
Air Canada
  • Air Canada
  • 13/12-14/12
  • Nonstop
  • 3h 45m total
  • Ontario to Chicago
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Air Canada
  • Air Canada
  • 30/10-31/12
  • Nonstop
  • 2h 03m total
  • Ontario to Chicago
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Highest demand for flights based on searches. 2% potential increase in price (C$ 13 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease (C$ 7 potential savings vs. average RT price).
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Average for round-trip flights in October 2026
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Price to beat on a round-trip flight from Ontario to Chicago O'Hare Intl.
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Price to beat on a one-way flight from Ontario to Chicago O'Hare Intl.
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Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Ontario to Chicago O'Hare Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

TorontoChicago

YTZ Toronto Island - ORD Chicago O'Hare Intl

YTZORD

Toronto Island

Wed 25/11

10:45 a.m.-3:02 p.m.

1 stop5h 17m

Chicago O'Hare Intl

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 232

TorontoChicago

YTZ Toronto Island - ORD Chicago O'Hare Intl

YTZORD

Toronto Island

Thu 12/11

10:30 a.m.-11:35 a.m.

Nonstop2h 05m

Chicago O'Hare Intl

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 235

TorontoChicago

YTZ Toronto Island - ORD Chicago O'Hare Intl

YTZORD

Toronto Island

Thu 5/11

10:30 a.m.-11:35 a.m.

Nonstop2h 05m

Chicago O'Hare Intl

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 235

TorontoChicago

YYZ Toronto Pearson Intl - ORD Chicago O'Hare Intl

YYZORD

Toronto Pearson Intl

Sat 7/11

6:00 a.m.-12:59 p.m.

1 stop7h 59m

Chicago O'Hare Intl

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 245

TorontoChicago

YYZ Toronto Pearson Intl - ORD Chicago O'Hare Intl

YYZORD

Toronto Pearson Intl

Fri 11/12

2:25 p.m.-6:26 p.m.

1 stop5h 01m

Chicago O'Hare Intl

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 248

TorontoChicago

YYZ Toronto Pearson Intl - ORD Chicago O'Hare Intl

YYZORD

Toronto Pearson Intl

Fri 30/10

2:26 p.m.-8:30 p.m.

1 stop7h 04m

Chicago O'Hare Intl

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 248

TorontoChicago

YYZ Toronto Pearson Intl - ORD Chicago O'Hare Intl

YYZORD

Toronto Pearson Intl

Mon 9/11

7:26 p.m.-8:48 p.m.

Nonstop2h 22m

Chicago O'Hare Intl

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 254

TorontoChicago

YYZ Toronto Pearson Intl - ORD Chicago O'Hare Intl

YYZORD

Toronto Pearson Intl

Sat 12/12

8:35 a.m.-9:44 a.m.

Nonstop2h 09m

Chicago O'Hare Intl

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 254

TorontoChicago

YTZ Toronto Island - ORD Chicago O'Hare Intl

YTZORD

Toronto Island

Thu 3/12

10:45 a.m.-3:02 p.m.

1 stop5h 17m

Chicago O'Hare Intl

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 254

TorontoChicago

YYZ Toronto Pearson Intl - ORD Chicago O'Hare Intl

YYZORD

Toronto Pearson Intl

Tue 10/11

5:55 p.m.-7:05 p.m.

Nonstop2h 10m

Chicago O'Hare Intl

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 254

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from Ontario to O'Hare Intl

Have a flexible travel schedule? Discover the best time to fly to O'Hare Intl from Ontario with our price prediction graph.
Estimated round-trip price

Cheapflights Insights

Everything you need to know about your flight from Ontario to Chicago O'Hare Intl Airport

What is the cheapest month to book a flight from Region of Ontario to Chicago O'Hare Intl Airport?

Currently, February is the cheapest month in which you can book a flight from Region of Ontario to Chicago O'Hare Intl Airport (average of C$ 406). Flying from Region of Ontario to Chicago O'Hare Intl Airport in October is currently the most expensive (average of C$ 521). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from ON to ORD?

It’s optimal to fly from Region of Ontario to Chicago O'Hare Intl Airport in the evening. By choosing this option you can save up to 16% on the cost of your flight, compared to a flight in the afternoon.

Weekly flight availability from Region of Ontario to Chicago O'Hare Intl Airport

The most flights from CAON to ORD are scheduled on a Monday (70 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (45 on average).

How much does it cost to fly round-trip from Region of Ontario to Chicago O'Hare Intl Airport?

Airfare is below average for this route at the moment.
Region of Ontario to Chicago O'Hare Intl Airport flights typically cost between C$ 385 and C$ 605 in December.
The cheapest round-trip price found within the last 5 days was C$ 315 on Air Canada (13 Dec-14 Dec).

How far ahead should I book a flight from Region of Ontario to Chicago O'Hare Intl Airport?

The best time to book flights from Region of Ontario to Chicago O'Hare Intl Airport is 83 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest day to fly from Region of Ontario to Chicago O'Hare Intl Airport?

Travelers seeking maximum savings on their Region of Ontario to Chicago O'Hare Intl Airport flight should consider departing on Friday at noon when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Related info for your journey

  • How long is the flight from Region of Ontario to Chicago O'Hare Intl Airport?

    A quick flight from Region of Ontario to Chicago O'Hare Intl Airport can take about 2h 05m. Porter Airlines provides one of the quickest options available for as low as C$ 413. Region of Ontario and Chicago O'Hare Intl Airport are separated by a distance of 716 km. Both multi-stop and direct flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Region of Ontario to Chicago O'Hare Intl Airport one-way?

    C$ 160 is the cheapest one-way deal found within the past few days, from United Airlines. You may also be able to find cheap deals on Air Canada and American Airlines, with prices starting from C$ 168 and C$ 170, respectively.

  • What are the most popular routes from Region of Ontario to Chicago O'Hare Intl Airport?

    The most popular flight routes from Region of Ontario to Chicago O'Hare Intl Airport are Toronto Pearson Intl - Chicago O'Hare Intl, Montreal Pierre Elliott Trudeau Intl - Chicago O'Hare Intl and Toronto Island - Chicago O'Hare Intl.

  • What are the most reliable airlines from Region of Ontario to Chicago O'Hare Intl Airport?

    No one likes to see their flight delayed. When booking a flight from Region of Ontario to Chicago O'Hare Intl Airport consider choosing Sun Country Air (100%), Copa Airlines (86%) or Egyptair (76%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Region of Ontario to Chicago O'Hare Intl Airport?

    On average you can expect to pay C$ 1,602 for a flight from Region of Ontario to Chicago O'Hare Intl Airport. The cheapest flight overall is C$ 279 while the most popular route, (Toronto Pearson Intl - Chicago O'Hare Intl) is currently priced at C$ 329.

  • Can I find deals for flights from Ontario to O'Hare Intl that include hotel bookings?

    Yes. In addition to deals on Ontario to O'Hare Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ontario to O'Hare Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to O'Hare Intl.

  • Can I find deals for business class flights from Ontario to O'Hare Intl?

    Yes. Cheapflights offers flight deals from Ontario to O'Hare Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Region of Ontario to Chicago O'Hare Intl Airport?

    Currently, February is the cheapest month in which you can book a flight from Region of Ontario to Chicago O'Hare Intl Airport (average of C$ 406). Flying from Region of Ontario to Chicago O'Hare Intl Airport in October is currently the most expensive (average of C$ 521). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Chicago O'Hare Intl Airport?

Book flights to Chicago O'Hare Intl Airport if you plan to visit one of these locations
Northbrook
Des Plaines
Racine
Rockford
Naperville
Schaumburg
Elk Grove Village
Skokie

Browse thousands of different options on Cheapflights for your next trip

Top 5 airlines flying from Ontario to O'Hare Intl

AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 138AverageC$ 645FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
American AirlinesCheapestC$ 268AverageC$ 453FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
United AirlinesCheapestC$ 302AverageC$ 667FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Porter AirlinesCheapestC$ 311AverageC$ 528FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
WestJetCheapestC$ 380AverageC$ 486FlexibilityNo cancel feeOn-time60%
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How does Cheapflights help users find flights from Ontario to O'Hare Intl?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to O'Hare Intl from Ontario today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from Ontario to O'Hare Intl?

Cheapflights helps you find that perfect flight to O'Hare Intl from Ontario by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Ontario to O'Hare Intl with no change fees?

Certainly. Search results for flights to O'Hare Intl from Ontario shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Ontario to O'Hare Intl become cheaper?

Yes! Start tracking prices for Ontario to O'Hare Intl flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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