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Find cheap flights from Chicago O'Hare Airport to Ontario from C$ 106

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from O'Hare Intl to Ontario departing on 11/6. 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.
1 adult
0 bags
Sun 9/6
Sun 16/6

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Best Ontario Flight Deals

Cheapest round-trip prices found by our users on KAYAK in the last 72 hours

Toronto
Toronto1 stopC$ 314
Ottawa
Ottawa2 stopsC$ 599

Good to know

Low season

January

High season

July

Cheapest flight

C$ 106
Best time to beat the crowds (2% less expensive on average)
Most popular time to fly (4% more expensive on average)
Flight from Chicago O'Hare Airport to Toronto Pearson Airport

FAQs - booking Ontario flights

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

    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 Chicago O'Hare Airport to Ontario.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Ontario from Chicago O'Hare Airport 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 Chicago O'Hare Airport to Ontario?

    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 Ontario with an airline and back to Chicago O'Hare Airport with another airline.

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

    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 Ontario from Chicago O'Hare Airport up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Top tips for finding cheap flights to Ontario

  • Looking for a cheap flight? 25% of our users found tickets from Chicago O'Hare Airport to the following destinations at these prices or less: Toronto C$ 221 one-way - C$ 248 round-trip
  • Morning departure is around 16% more expensive than an evening flight, on average*.
*Average of the lowest prices shown in KAYAK’s search results for departures within the next 30 days

Book cheap flights from Chicago to Ontario

Recent round-trip flight deals

4/6Tue
1 stop
18h 20mORD-YYZ
18/6Tue
1 stop
10h 58mYYZ-ORD
C$ 314
4/6Tue
1 stop
18h 20mORD-YYZ
8/6Sat
1 stop
17h 23mYYZ-ORD
C$ 322
5/6Wed
directUnited Airlines
1h 48mORD-YYZ
8/6Sat
directUnited Airlines
1h 57mYYZ-ORD
C$ 400
5/6Wed
directUnited Airlines
1h 48mORD-YYZ
9/6Sun
directUnited Airlines
1h 56mYYZ-ORD
C$ 402
25/5Sat
directAir Canada
1h 43mORD-YYZ
26/5Sun
directAir Canada
1h 54mYYZ-ORD
C$ 403
25/6Tue
1 stopAir Canada
5h 04mORD-YTZ
3/7Wed
1 stopAir Canada
5h 20mYTZ-ORD
C$ 407
15/6Sat
1 stopAmerican Airlines
8h 07mORD-YYZ
19/6Wed
directAmerican Airlines
1h 55mYYZ-ORD
C$ 426
5/6Wed
1 stopDelta
8h 14mORD-YYZ
8/6Sat
1 stopDelta
4h 05mYYZ-ORD
C$ 435
7/6Fri
1 stopAmerican Airlines
13h 35mORD-YYZ
14/6Fri
directAmerican Airlines
1h 55mYYZ-ORD
C$ 441
7/6Fri
1 stopDelta
7h 38mORD-YYZ
9/6Sun
1 stopDelta
5h 18mYYZ-ORD
C$ 485

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Recent one-way flight deals

11/6Tue
1 stop
18h 20mORD-YYZ
C$ 106
30/5Thu
1 stop
6h 47mORD-YYZ
C$ 108
7/6Fri
directAir Canada
1h 43mORD-YYZ
C$ 167
8/7Mon
1 stopAir Canada
5h 57mORD-YYZ
C$ 174
26/5Sun
directUnited Airlines
1h 45mORD-YYZ
C$ 180
28/6Fri
1 stopDelta
8h 25mORD-YYZ
C$ 181
16/6Sun
1 stopSun Country Air
10h 07mORD-YYZ
C$ 182
9/6Sun
directUnited Airlines
1h 43mORD-YYZ
C$ 237
18/5Sat
1 stopDelta
4h 30mORD-YYZ
C$ 271
27/5Mon
1 stopSun Country Air
14h 55mORD-YYZ
C$ 282

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Last minute flights from O'Hare Intl to Ontario

Last minute flight, train and bus deals

14/5Tue
multi-stop
30h 50mORD-YYZ
21/5Tue
multi-stop
12h 10mYYZ-ORD
C$ 474
15/5Wed
multi-stop
21h 20mORD-YYZ
21/5Tue
multi-stop
12h 10mYYZ-ORD
C$ 504
14/5Tue
multi-stop
22h 34mORD-YYZ
21/5Tue
multi-stop
12h 10mYYZ-ORD
C$ 513
15/5Wed
directAmerican Airlines
1h 50mORD-YYZ
7/6Fri
directAmerican Airlines
1h 55mYYZ-ORD
C$ 631
15/5Wed
multi-stopAmerican Airlines
7h 29mORD-YYZ
7/6Fri
directAmerican Airlines
1h 55mYYZ-ORD
C$ 641
13/5Mon
multi-stopSun Country Air
14h 45mORD-YYZ
16/5Thu
multi-stopSun Country Air
12h 23mYYZ-ORD
C$ 672
15/5Wed
directUnited Airlines
1h 45mORD-YYZ
16/5Thu
directUnited Airlines
1h 54mYYZ-ORD
C$ 681
14/5Tue
multi-stopWestJet
3h 20mORD-YYZ
19/5Sun
multi-stopWestJet
6h 47mYYZ-ORD
C$ 737
14/5Tue
multi-stopWestJet
3h 20mORD-YYZ
19/5Sun
multi-stopWestJet
9h 08mYYZ-ORD
C$ 748
14/5Tue
directUnited Airlines
1h 42mORD-YYZ
15/5Wed
directUnited Airlines
1h 59mYYZ-ORD
C$ 816

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Chicago O'Hare Airport - Ontario Flights

Departure:

Chicago O'Hare Airport (ORD)United States

Return flight deals:

Ontario - Chicago O'Hare Airport

Cabin classes:

C$ 1,353
C$ 193

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