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>

Cheap Flights from Ontario to Chicago O'Hare (ORD) from C$ 183

ORD

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In the last 7 days, travellers have searched 42,830,901 times on KAYAK, and here is why:

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Low season	January
High season	May
Cheapest flight	C$ 183

Best time to beat the crowds (8% less expensive on average)

Most popular time to fly (6% more expensive on average)

Flight from Toronto Pearson Airport to Chicago O'Hare Airport

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.

See more FAQs

Nonstop departures

Ontario to Chicago O'Hare Intl

Monday

ANA, Aer Lingus, Aeromexico, +77 more

ANA, Aer Lingus, +78 more

Tuesday

ANA, Aer Lingus, Aerolineas Argentinas, +77 more

ANA, Aer Lingus, +78 more

Wednesday

ANA, Aer Lingus, Aeromexico, +77 more

ANA, Aer Lingus, +78 more

Thursday

ANA, Aer Lingus, Aeromexico, +76 more

ANA, Aer Lingus, +77 more

Friday

ANA, Aer Lingus, Aerolineas Argentinas, +78 more

ANA, Aer Lingus, +79 more

Saturday

ANA, Aer Lingus, Aerolineas Argentinas, +77 more

ANA, Aer Lingus, +78 more

Sunday

ANA, Aer Lingus, Aerolineas Argentinas, +77 more

ANA, Aer Lingus, +78 more

See more nonstop flights

Nonstop returns

Chicago O'Hare Intl to Ontario

Monday

ANA, Aer Lingus, Aeromexico, +77 more

ANA, Aer Lingus, +78 more

Tuesday

ANA, Aer Lingus, Aerolineas Argentinas, +77 more

ANA, Aer Lingus, +78 more

Wednesday

ANA, Aer Lingus, Aeromexico, +77 more

ANA, Aer Lingus, +78 more

Thursday

ANA, Aer Lingus, Aeromexico, +76 more

ANA, Aer Lingus, +77 more

Friday

ANA, Aer Lingus, Aerolineas Argentinas, +78 more

ANA, Aer Lingus, +79 more

Saturday

ANA, Aer Lingus, Aerolineas Argentinas, +77 more

ANA, Aer Lingus, +78 more

Sunday

ANA, Aer Lingus, Aerolineas Argentinas, +77 more

ANA, Aer Lingus, +78 more

See more nonstop flights

Book cheap flights from Ontario to Chicago

Recent round-trip flight deals

29/5Wed

1 stop

11h 05mYYZ-ORD

5/6Wed

1 stop

18h 20mORD-YYZ

C$ 268

4/6Tue

1 stop

12h 10mYYZ-ORD

11/6Tue

1 stop

18h 20mORD-YYZ

C$ 275

4/6Tue

2 stops

17h 40mYYZ-ORD

11/6Tue

1 stop

18h 20mORD-YYZ

C$ 279

29/5Wed

directAir Canada

1h 56mYYZ-ORD

31/5Fri

directAir Canada

1h 45mORD-YYZ

C$ 352

29/5Wed

directAir Canada

2h 02mYYZ-ORD

5/6Wed

directAir Canada

1h 45mORD-YYZ

C$ 356

25/5Sat

directLufthansa

2h 02mYYZ-ORD

26/5Sun

directLufthansa

1h 45mORD-YYZ

C$ 368

18/6Tue

1 stopAmerican Airlines

9h 13mYYZ-ORD

21/6Fri

directAmerican Airlines

1h 35mORD-YYZ

C$ 372

1/6Sat

1 stopUnited Airlines

5h 07mYYZ-ORD

8/6Sat

directUnited Airlines

1h 43mORD-YYZ

C$ 374

25/7Thu

directUnited Airlines

1h 57mYYZ-ORD

29/7Mon

directUnited Airlines

1h 43mORD-YYZ

C$ 376

8/6Sat

directAmerican Airlines

1h 55mYYZ-ORD

12/6Wed

1 stopAmerican Airlines

9h 17mORD-YYZ

C$ 391

Recent one-way flight deals

30/5Thu

1 stop

12h 10mYYZ-ORD

C$ 183

3/6Mon

1 stop

12h 10mYYZ-ORD

C$ 192

14/7Sun

directAir Canada

1h 56mYYZ-ORD

C$ 198

19/6Wed

directAir Canada

1h 54mYYZ-ORD

C$ 204

4/6Tue

directAmerican Airlines

1h 56mYYZ-ORD

C$ 211

27/5Mon

1 stopAmerican Airlines

5h 26mYYZ-ORD

C$ 230

3/7Wed

1 stopDelta

4h 00mYYZ-ORD

C$ 233

16/6Sun

1 stopDelta

6h 14mYYZ-ORD

C$ 234

26/6Wed

2 stopsWestJet

10h 57mYYZ-ORD

C$ 242

23/6Sun

1 stopWestJet

12h 13mYYZ-ORD

C$ 260

Last minute flights from Ontario to O'Hare Intl

Last minute flight, train and bus deals

10/5Fri

multi-stop

28h 25mYYZ-ORD

19/5Sun

multi-stop

6h 47mORD-YYZ

C$ 512

7/5Tue

multi-stop

11h 10mYYZ-ORD

14/5Tue

multi-stop

25h 35mORD-YYZ

C$ 517

10/5Fri

multi-stopAir Canada

8h 30mYYZ-ORD

15/5Wed

directAir Canada

1h 45mORD-YYZ

C$ 558

10/5Fri

directAmerican Airlines

1h 55mYYZ-ORD

19/5Sun

multi-stopAmerican Airlines

7h 40mORD-YYZ

C$ 584

9/5Thu

directAmerican Airlines

1h 55mYYZ-ORD

6/6Thu

multi-stopAmerican Airlines

6h 54mORD-YYZ

C$ 594

10/5Fri

multi-stopWestJet

9h 32mYYZ-ORD

12/5Sun

multi-stopWestJet

3h 20mORD-YYZ

C$ 601

10/5Fri

directAir Canada

2h 01mYYZ-ORD

19/5Sun

directAir Canada

1h 45mORD-YYZ

C$ 606

10/5Fri

multi-stopWestJet

3h 57mYYZ-ORD

12/5Sun

multi-stopWestJet

3h 20mORD-YYZ

C$ 631

10/5Fri

multi-stopDelta

3h 57mYYZ-ORD

14/5Tue

multi-stopDelta

4h 32mORD-YYZ

C$ 635

9/5Thu

multi-stopDelta

9h 08mYYZ-ORD

16/5Thu

multi-stopDelta

8h 14mORD-YYZ

C$ 636

Flights to Chicago O'Hare Airport

Destination:

Chicago O'Hare Airport (ORD)United States

Return flight deals:

Chicago O'Hare Airport - Ontario

Cabin classes:

C$ 1,377

C$ 1,149

C$ 825

C$ 390

Browse origins:

Flights from Hamilton, Ontario to Chicago O'Hare Intl Airport

C$ 1,304

Flights from Kingston, Ontario to Chicago O'Hare Intl Airport

C$ 821

Flights from London, Ontario to Chicago O'Hare Intl Airport

C$ 541

Flights from Ottawa to Chicago O'Hare Intl Airport

C$ 1,032

Flights from Sudbury, Ontario to Chicago O'Hare Intl Airport

Flights from Toronto Pearson Intl Airport to Chicago O'Hare Intl Airport

C$ 268

Flights from Toronto to Chicago O'Hare Intl Airport

Browse destinations:

C$ 268

Flights to Chicago O'Hare Intl Airport, Chicago

ORD

Find cheap flights from Ontario to Chicago O'Hare Airport from C$ 183

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to O'Hare Intl departing on 30/5. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.

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

Good to know

Low season

High season

Cheapest flight

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?

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?

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

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

Prefer to fly non-stop from Ontario to Chicago O'Hare Airport?

Ontario to Chicago O'Hare Intl

Chicago O'Hare Intl to Ontario

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Recent one-way flight deals

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Last minute flights from Ontario to O'Hare Intl

Last minute flight, train and bus deals

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Flights to Chicago O'Hare Airport

Destination:

Return flight deals:

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