$139 Find Cheap Flights from Ontario to Houston

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 6/30. 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
1 adult, Economy, 0 bags

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Flight Deals

Cheap Flights from Ontario to Houston

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Ontario to Houston 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.

Recent round-trip flight deals from Ontario to Houston

Mon, May 4 - Mon, May 11
Multiple Airlines Logo
7:15 pm - 3:01 pm
YUL
-
IAH
20h 46m
1 stop
Multiple Airlines Logo
5:29 pm - 2:08 pm
IAH
-
YUL
19h 39m
1 stop
$336Multiple Airlines
Tue, May 5 - Tue, Jun 2
Multiple Airlines Logo
7:15 pm - 3:14 pm
YUL
-
IAH
20h 59m
1 stop
Multiple Airlines Logo
6:50 am - 2:08 pm
IAH
-
YUL
6h 18m
1 stop
$337Multiple Airlines
Wed, Apr 29 - Mon, May 4
Multiple Airlines Logo
4:35 pm - 9:43 am
YUL
-
IAH
18h 08m
1 stop
Multiple Airlines Logo
5:29 pm - 12:37 am
IAH
-
YUL
30h 08m
2 stops
$341Multiple Airlines
Thu, Apr 23 - Wed, Apr 29
Multiple Airlines Logo
7:25 am - 10:47 pm
YHM
-
IAH
16h 22m
1 stop
Multiple Airlines Logo
12:35 pm - 3:00 pm
IAH
-
YHM
25h 25m
2 stops
$342Multiple Airlines
Mon, May 4 - Mon, May 11
Multiple Airlines Logo
7:15 pm - 3:01 pm
YUL
-
IAH
20h 46m
1 stop
Multiple Airlines Logo
5:29 pm - 5:15 pm
IAH
-
YUL
22h 46m
2 stops
$343Multiple Airlines
Tue, Apr 21 - Fri, Apr 24
WestJet Logo
6:20 am - 5:30 pm
YKF
-
IAH
12h 10m
1 stop
WestJet Logo
6:20 pm - 5:29 am
IAH
-
YKF
10h 09m
1 stop
$392WestJet
Tue, Apr 21 - Fri, Apr 24
WestJet Logo
6:20 am - 5:30 pm
YKF
-
IAH
12h 10m
1 stop
WestJet Logo
6:20 pm - 5:29 am
IAH
-
YKF
10h 09m
1 stop
$394WestJet
Tue, Sep 15 - Tue, Sep 22
Delta Logo
6:00 am - 4:23 pm
YYZ
-
HOU
11h 23m
2 stops
Delta Logo
10:05 am - 8:30 pm
HOU
-
YYZ
9h 25m
2 stops
$468Delta
Wed, Sep 9 - Sat, Sep 12
Delta Logo
11:30 am - 4:23 pm
YYZ
-
HOU
5h 53m
1 stop
Delta Logo
6:00 am - 12:15 pm
HOU
-
YYZ
5h 15m
1 stop
$469Delta
Thu, May 21 - Sun, May 24
American Airlines Logo
3:48 pm - 11:59 pm
YUL
-
HOU
9h 11m
1 stop
American Airlines Logo
8:23 pm - 2:42 pm
HOU
-
YUL
17h 19m
1 stop
$523American Airlines
Useful Info

Good to know

Cheapest flight$139
Flight from Toronto Island to Houston George Bush Airport

Flights from Ontario to Houston: the best tips from KAYAK users

Insights shared by verified travelers who flew the route from Ontario to Houston 
Learn how KAYAK collects reviews and tips from users.
Verified travelerFlew with Air Canada
YYZ
-
IAH
Oct 2024
Get the United app on your phone. It provides a lot of relevant information about your flight.
Verified travelerFlew with United Airlines
YYZ
-
IAH
Mar 2024
Be sure to be aware of what the limits are for taking liquid or cream personal care items.

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.

Everything you need to know for your flight to Houston

Cabin class types available on flights to Ontario

Cabin classes available on flights to Houston. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.
First Class flights to Houston
Business Class flights to Houston
Premium Economy Class flights to Houston
Economy Class flights to Houston