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Find cheap flights from Ontario to Houston from $135

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to Houston departing on 5/15. 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 6/2
Sun 6/9

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Good to know

Cheapest flight

$135
Flight from Toronto Pearson Airport to Houston George Bush Airport

FAQs for booking flights from Ontario to Houston

  • How does KAYAK find such low prices on flights from Ontario to Houston?

    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 Houston.

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

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

  • What is the Hacker Fare option on flights from Ontario to Houston?

    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 Houston 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 Houston?

    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 Houston from Ontario up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Prefer to fly non-stop from Ontario to Houston?

Find which airlines fly direct from Ontario to Houston, which days they fly and book direct flights.

Nonstop departures

Ontario to Houston

Monday

ANA, Aer Lingus, Aeromexico, +57 more

ANA, Aer Lingus, +58 more

Tuesday

ANA, Aer Lingus, Aeromexico, +57 more

ANA, Aer Lingus, +58 more

Wednesday

ANA, Aer Lingus, Aeromexico, +58 more

ANA, Aer Lingus, +59 more

Thursday

ANA, Aer Lingus, Aeromexico, +56 more

ANA, Aer Lingus, +57 more

Friday

ANA, Aer Lingus, Aeromexico, +60 more

ANA, Aer Lingus, +61 more

Saturday

ANA, Aer Lingus, Aeromexico, +53 more

ANA, Aer Lingus, +54 more

Sunday

ANA, Aer Lingus, Aeromexico, +59 more

ANA, Aer Lingus, +60 more

See more direct flights

Nonstop returns

Houston to Ontario

Monday

ANA, Aer Lingus, Aeromexico, +57 more

ANA, Aer Lingus, +58 more

Tuesday

ANA, Aer Lingus, Aeromexico, +57 more

ANA, Aer Lingus, +58 more

Wednesday

ANA, Aer Lingus, Aeromexico, +58 more

ANA, Aer Lingus, +59 more

Thursday

ANA, Aer Lingus, Aeromexico, +56 more

ANA, Aer Lingus, +57 more

Friday

ANA, Aer Lingus, Aeromexico, +60 more

ANA, Aer Lingus, +61 more

Saturday

ANA, Aer Lingus, Aeromexico, +53 more

ANA, Aer Lingus, +54 more

Sunday

ANA, Aer Lingus, Aeromexico, +59 more

ANA, Aer Lingus, +60 more

See more direct flights
See more direct flights

Book cheap flights from Ontario to Houston

Recent round-trip flight deals

5/29Wed
2 stops
14h 37mYYZ-IAH
6/5Wed
2 stops
21h 08mIAH-YYZ
$234
5/14Tue
2 stops
27h 38mYYZ-IAH
5/28Tue
2 stops
23h 00mIAH-YYZ
$238
6/19Wed
1 stopDelta
12h 43mYYZ-IAH
6/22Sat
1 stopDelta
8h 27mIAH-YYZ
$433
5/23Thu
1 stopDelta
5h 17mYYZ-HOU
6/4Tue
1 stopDelta
6h 53mHOU-YYZ
$485
5/31Fri
1 stopWestJet
26h 49mYYZ-HOU
6/7Fri
1 stopWestJet
10h 42mHOU-YYZ
$516
5/29Wed
1 stopWestJet
5h 17mYYZ-HOU
6/5Wed
1 stopWestJet
5h 09mHOU-YYZ
$521
9/18Wed
1 stopAir Canada
6h 26mYOW-IAH
9/24Tue
1 stopAir Canada
7h 53mIAH-YOW
$541
5/25Sat
1 stopAir Canada
7h 11mYTZ-IAH
6/2Sun
1 stopAir Canada
7h 19mIAH-YTZ
$544
6/5Wed
1 stopAmerican Airlines
5h 32mYYZ-HOU
6/8Sat
1 stopAmerican Airlines
6h 34mHOU-YYZ
$562
5/24Fri
1 stopAmerican Airlines
12h 08mYYZ-HOU
5/26Sun
1 stopAmerican Airlines
5h 42mHOU-YYZ
$563

Search by stops

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Recent one-way flight deals

5/15Wed
2 stops
25h 55mYYZ-IAH
$135
5/14Tue
1 stop
29h 02mYYZ-IAH
$136
5/14Tue
2 stops
27h 38mYYZ-IAH
$137
6/25Tue
1 stopDelta
7h 34mYYZ-IAH
$255
6/2Sun
1 stopSun Country Air
13h 24mYYZ-HOU
$255
6/13Thu
2 stopsDelta
11h 06mYYZ-IAH
$261
6/25Tue
nonstopAir Canada
3h 28mYYZ-IAH
$289
6/25Tue
nonstopAir Canada
3h 32mYYZ-IAH
$291
6/1Sat
1 stopWestJet
17h 04mYYZ-HOU
$291
5/29Wed
1 stopWestJet
12h 12mYKF-IAH
$306

Search by stops

Search by airline

Search by price

Last minute flights from Ontario to Houston

Last minute flight, train and bus deals

5/8Wed
multi-stop
14h 58mYTZ-IAH
5/15Wed
multi-stop
10h 03mIAH-YTZ
$374
5/8Wed
multi-stop
16h 28mYTZ-IAH
5/15Wed
multi-stop
10h 03mIAH-YTZ
$379
5/6Mon
multi-stopDelta
9h 10mYYZ-HOU
5/16Thu
multi-stopDelta
7h 45mHOU-YYZ
$682
5/8Wed
multi-stopWestJet
5h 17mYYZ-HOU
5/15Wed
multi-stopWestJet
5h 09mHOU-YYZ
$750
5/6Mon
nonstopAir Canada
3h 46mYYZ-IAH
5/16Thu
nonstopAir Canada
3h 17mIAH-YYZ
$820
5/8Wed
multi-stopAir Canada
11h 51mYYZ-IAH
5/16Thu
nonstopAir Canada
3h 17mIAH-YYZ
$821
5/6Mon
multi-stopDelta
9h 10mYYZ-HOU
5/11Sat
multi-stopDelta
11h 35mHOU-YYZ
$841
5/5Sun
multi-stopWestJet
6h 54mYYZ-IAH
5/12Sun
multi-stopWestJet
5h 10mIAH-YYZ
$870
5/4Sat
nonstopUnited Airlines
3h 34mYYZ-IAH
5/9Thu
multi-stopUnited Airlines
23h 05mIAH-YYZ
$882
5/5Sun
nonstopUnited Airlines
3h 46mYYZ-IAH
5/12Sun
nonstopUnited Airlines
3h 26mIAH-YYZ
$906

Search by stops

Search by airline

Search by price

Flights to Houston

Return flight deals:

Houston - Ontario

Cabin classes: