How does KAYAK find such low prices on flights from Ontario to Chicago O'Hare Airport?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Ontario to Chicago O'Hare Airport. Visit our flight page for the latest deals!>/a>

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Ontario to Chicago O'Hare Airport?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Chicago O'Hare Airport from Ontario is likely to change within 7 days, so travellers know whether to wait or book now. Visit our flight page for the latest deals!>/a>

What is the Hacker Fare option on flights from Ontario to Chicago O'Hare Airport?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Chicago O'Hare Airport with an airline and back to Ontario with another airline. Visit our flight page for the latest deals!>/a>

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Ontario to Chicago O'Hare Airport?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Chicago O'Hare Airport from Ontario up to 3 days before/after your preferred dates. You can then pick the flights that suit you best. Visit our flight page for the latest deals!>/a>

C$ 139 CHEAP FLIGHTS from Ontario to Chicago O'Hare (ORD)

ORD

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Cheap Flights from Ontario to O'Hare Intl

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Ontario to O'Hare Intl that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Direct

Recent round-trip flight deals from Ontario to O'Hare Intl

Mon, 24 Nov - Fri, 28 Nov

1:10 p.m. - 2:45 p.m.YUL-ORD

2h 35mdirect

3:35 p.m. - 6:47 p.m.ORD-YUL

2h 12mdirect

C$ 221Air Canada

Find Deal

Fri, 19 Sep - Mon, 22 Sep

2:10 p.m. - 3:04 p.m.YYZ-ORD

1h 54mdirect

2:00 p.m. - 4:43 p.m.ORD-YYZ

1h 43mdirect

C$ 223Air Canada

Find Deal

Fri, 19 Sep - Mon, 22 Sep

7:00 a.m. - 7:59 a.m.YYZ-ORD

1h 59mdirect

8:50 a.m. - 2:19 p.m.ORD-YYZ

4h 29m1 stop

C$ 236United Airlines

Find Deal

Fri, 5 Sep - Sun, 7 Sep

7:15 a.m. - 12:41 p.m.YYZ-ORD

6h 26m1 stop

8:14 a.m. - 11:00 a.m.ORD-YYZ

1h 46mdirect

C$ 243American Airlines

Find Deal

Tue, 8 Jul - Thu, 17 Jul

2:45 p.m. - 3:50 p.m.YYZ-ORD

2h 05mdirect

9:14 p.m. - 11:58 p.m.ORD-YYZ

1h 44mdirect

C$ 251United Airlines

Find Deal

Sat, 4 Oct - Mon, 6 Oct

5:17 p.m. - 11:48 p.m.YYZ-ORD

7h 31m1 stop

6:12 a.m. - 11:46 a.m.ORD-YYZ

4h 34m1 stop

C$ 257American Airlines

Find Deal

Fri, 4 Jul - Mon, 7 Jul

7:00 a.m. - 7:59 a.m.YYZ-ORD

1h 59mdirect

5:55 p.m. - 8:44 p.m.ORD-YYZ

1h 49mdirect

C$ 262Lufthansa

Find Deal

Fri, 4 Jul - Mon, 7 Jul

7:00 a.m. - 7:59 a.m.YYZ-ORD

1h 59mdirect

5:55 p.m. - 8:44 p.m.ORD-YYZ

1h 49mdirect

C$ 276Lufthansa

Find Deal

Sun, 12 Oct - Wed, 15 Oct

12:15 p.m. - 6:38 p.m.YYZ-ORD

7h 23m1 stop

10:35 a.m. - 5:23 p.m.ORD-YYZ

5h 48m1 stop

C$ 291Delta

Find Deal

Tue, 8 Jul - Tue, 15 Jul

6:30 a.m. - 3:03 p.m.YYZ-ORD

9h 33m1 stop

7:05 a.m. - 1:40 p.m.ORD-YYZ

5h 35m1 stop

C$ 295Delta

Find Deal

Useful Info

Low season	January
High season	August
Cheapest flight	C$ 139

Best time to beat the crowds but there is an average 3% increase in price.

Most popular time to fly and prices are also 6% lower on average.

Flight from Montreal Pierre Elliott Trudeau Intl to Chicago O'Hare Airport

BrianFlew with Air CanadaYYZ-ORDOct 2024

Be prepared for a labyrinthine experience traversing the various levels and passages of the Toronto airport. Bring quality walking shoes, as it is likely well over a km in total walking time.

Verified travelerFlew with United AirlinesYYZ-ORDMar 2024

Carry-on baggage sizing for United US bound flights appears to be much smaller than for Canadian flights, which forced me to check my bag at the last minute. So check online ahead of time

How does KAYAK find such low prices on flights from Ontario to Chicago O'Hare Airport?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Ontario to Chicago O'Hare Airport.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Ontario to Chicago O'Hare Airport?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Chicago O'Hare Airport from Ontario is likely to change within 7 days, so travellers know whether to wait or book now.
What is the Hacker Fare option on flights from Ontario to Chicago O'Hare Airport?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Chicago O'Hare Airport with an airline and back to Ontario with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Ontario to Chicago O'Hare Airport?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Chicago O'Hare Airport from Ontario up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Rosemont

Schaumburg

Oak Brook

Skokie

Naperville

Deerfield

Hoffman Estates

Itasca

Elk Grove Village

Des Plaines

Glenview

North Chicago

Beloit

Portage

Vernon Hills

Kenosha

Joliet

Benton Harbor

New Buffalo

Northbrook

Everything you need to know for your flight to O'Hare Intl

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Cabin class

Complete your trip

Flights to other cities

Origins

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Chicago O'Hare Airport (ORD)

Not what you’re looking for? Find thousands of other hotels, flights, car rentals and package deals with KAYAK.

ORD

C$ 139 Find Cheap Flights from Ontario to Chicago O'Hare Airport

KAYAK searches hundreds of travel sites at once for deals on flights to Chicago O'Hare Intl Airport

Cheap Flights from Ontario to O'Hare Intl

Recent round-trip flight deals from Ontario to O'Hare Intl

Recent one-way flight deals from Ontario to O'Hare Intl

Recent last minute flight deals from Ontario to O'Hare Intl

Recent direct flight deals from Ontario to O'Hare Intl

Good to know

Flights from Ontario to O'Hare Intl: the best tips from KAYAK users

FAQs for booking Ontario to Chicago O'Hare Airport flights

How does KAYAK find such low prices on flights from Ontario to Chicago O'Hare Airport?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Ontario to Chicago O'Hare Airport.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Ontario to Chicago O'Hare Airport?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Chicago O'Hare Airport from Ontario is likely to change within 7 days, so travellers know whether to wait or book now.

What is the Hacker Fare option on flights from Ontario to Chicago O'Hare Airport?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Chicago O'Hare Airport with an airline and back to Ontario with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Ontario to Chicago O'Hare Airport?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Chicago O'Hare Airport from Ontario up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Travelling to a place near O'Hare Intl?

Everything you need to know for your flight to O'Hare Intl

Information on your arrival and departure airports

Cabin class types available on flights to O'Hare Intl

Complete your trip to O'Hare Intl with a hotel stay or car rental

Flights to other popular destinations

Flights from domestic origins to Ontario

Choose which airport to fly into in Chicago

Find deals for your return flight