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$141+ Cheap flights from Ontario to Houston

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/9. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — HOU
Mar 13 — Mar 201
Fri 3/13
Fri 3/20
1 adult, Economy
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Cheap flight deals from Ontario to Houston

Cheapest flights from Ontario to Houston
Explore the most affordable flight options available from Ontario to Houston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 11, 2026.

This Kiwi.com deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/47:10 am
YYZ
-
IAH
1 stop12h 54m
Multiple Airlines
Mon 3/910:27 pm
IAH
-
YYZ
2 stops30h 46m
Multiple Airlines
Deal found 2/8$297
This Kiwi.com deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/263:40 pm
YYZ
-
IAH
1 stop9h 38m
Multiple Airlines
Tue 3/37:58 am
IAH
-
YYZ
2 stops14h 13m
Multiple Airlines
Deal found 2/10$298
This Kiwi.com deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/313:40 pm
YYZ
-
IAH
1 stop9h 19m
Multiple Airlines
Tue 4/76:46 am
IAH
-
YYZ
2 stops12h 24m
Multiple Airlines
Deal found 2/9$299
This Kiwi.com deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/237:10 am
YYZ
-
IAH
1 stop12h 18m
Multiple Airlines
Wed 3/49:16 am
IAH
-
YYZ
2 stops11h 59m
Multiple Airlines
Deal found 2/10$300
This Trip.com deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/43:40 pm
YYZ
-
IAH
1 stop9h 38m
Multiple Airlines
Wed 3/116:30 am
IAH
-
YYZ
2 stops15h 50m
Multiple Airlines
Deal found 2/9$301
This Kiwi.com deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/68:00 pm
YYZ
-
IAH
1 stop10h 54m
Multiple Airlines
Tue 3/102:05 pm
IAH
-
YYZ
2 stops15h 08m
Multiple Airlines
Deal found 2/8$303
This Kiwi.com deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/253:40 pm
YYZ
-
IAH
1 stop9h 38m
Multiple Airlines
Wed 3/49:16 am
IAH
-
YYZ
2 stops11h 59m
Multiple Airlines
Deal found 2/10$304
This Kiwi.com deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/233:40 pm
YYZ
-
IAH
2 stops28h 54m
Multiple Airlines
Thu 2/264:22 pm
IAH
-
YYZ
1 stop21h 18m
Multiple Airlines
Deal found 2/8$305
This Kiwi.com deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/47:10 am
YYZ
-
IAH
1 stop12h 54m
Multiple Airlines
Fri 3/137:19 pm
IAH
-
YYZ
2 stops23h 51m
Multiple Airlines
Deal found 2/8$306
This Kiwi.com deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/2610:05 am
YYZ
-
IAH
1 stop12h 11m
Multiple Airlines
Wed 3/47:58 am
IAH
-
YYZ
1 stop10h 57m
Multiple Airlines
Deal found 2/10$310
This Kiwi.com deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/2610:05 am
YYZ
-
IAH
1 stop12h 11m
Multiple Airlines
Wed 3/117:21 am
IAH
-
YYZ
1 stop14h 59m
Multiple Airlines
Deal found 2/10$311
This Kiwi.com deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/77:00 am
YOW
-
IAH
1 stop11h 32m
Multiple Airlines
Fri 4/171:58 pm
IAH
-
YOW
2 stops33h 41m
Multiple Airlines
Deal found 2/10$313

Find flight deals from Ontario to Houston

Keep the following information in mind while searching for Ontario to Houston flight deals. Data was last updated February 11, 2026.

Round-trip from

$297
(Kiwi.com)

One-way from

$141
(Trip.com)

Popular in

February

Cheapest in

April

Average price

$582
From Ontario to Houston
Search Deals
One-way flight from Ontario to Houston
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($41 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 0% potential price decrease ($6 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to Houston that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 11, 2026.
Use the filters below to find and compare flights from Ontario to Houston that are best for you.

Fly from

Ontario

Fly to

Houston

Route

Depart

Return

Price

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Tue 4/7

7:00 am-5:32 pm

1 stop11h 32m

Houston George Bush Intcntl

Fri 4/17

1:58 pm-12:39 am

2 stops33h 41m

$313

TorontoHouston

YTZ - IAH

YTZIAH

Toronto Island

Wed 4/1

3:45 pm-12:30 am

1 stop9h 45m

Houston George Bush Intcntl

Wed 4/8

6:46 am-6:55 pm

1 stop11h 09m

$315

HamiltonHouston

YHM - IAH

YHMIAH

Hamilton

Wed 3/4

7:25 am-8:23 pm

1 stop13h 58m

Houston George Bush Intcntl

Wed 3/11

5:46 am-3:00 pm

1 stop8h 14m

$341

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Wed 4/15

9:30 am-5:08 pm

1 stop8h 38m

Houston George Bush Intcntl

Sun 4/19

1:03 pm-11:58 pm

1 stop9h 55m

$341

TorontoHouston

YTZ - IAH

YTZIAH

Toronto Island

Fri 4/10

3:00 pm-10:50 pm

2 stops8h 50m

Houston George Bush Intcntl

Tue 4/14

6:14 am-6:57 pm

1 stop11h 43m

$344

TorontoHouston

YTZ - IAH

YTZIAH

Toronto Island

Mon 3/23

3:00 pm-10:56 pm

2 stops8h 56m

Houston George Bush Intcntl

Tue 3/31

7:05 am-6:55 pm

1 stop10h 50m

$344

TorontoHouston

YTZ - IAH

YTZIAH

Toronto Island

Tue 4/28

3:45 pm-11:44 pm

1 stop8h 59m

Houston George Bush Intcntl

Sun 5/3

8:31 pm-8:15 pm

2 stops22h 44m

$347

TorontoHouston

YTZ - IAH

YTZIAH

Toronto Island

Tue 3/31

9:25 am-3:27 pm

1 stop7h 02m

Houston George Bush Intcntl

Tue 4/7

6:46 am-6:55 pm

1 stop11h 09m

$349

TorontoHouston

YTZ - IAH

YTZIAH

Toronto Island

Sun 4/5

9:15 am-6:14 pm

1 stop9h 59m

Houston George Bush Intcntl

Thu 4/9

5:20 am-8:00 pm

1 stop13h 40m

$352

HamiltonHouston

YHM - IAH

YHMIAH

Hamilton

Thu 4/9

6:10 pm-12:45 pm

1 stop19h 35m

Houston George Bush Intcntl

Wed 4/15

6:20 pm-5:16 pm

1 stop21h 56m

$356

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/8

Showing 1-10 of 60 results
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Best time to book a flight from Ontario to Houston

Have a flexible travel schedule? Discover the best time to fly to Houston from Ontario with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Ontario to Houston

What is the cheapest month to book a flight from Region of Ontario to Houston?

Currently, November is the cheapest month in which you can book a flight from Region of Ontario to Houston (average of $244). Flying from Region of Ontario to Houston in September is currently the most expensive (average of $358). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from ON to HOU?

Find hourly flight availability from Ontario to Houston. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 11, 2026.

When flying from Region of Ontario to Houston, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Related info for your journey

Find useful and relevant information for your journey from Ontario to Houston. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Region of Ontario to Houston?

    There are many flights that can get you from Region of Ontario to Houston in 8h 49m. Fly via WestJet, Air Canada, or Delta to get the fastest option. There are 1280 mi between Region of Ontario and Houston. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Region of Ontario to Houston one-way?

    $137 is the cheapest one-way deal found within the past few days, from Air Canada. You may also be able to find cheap deals on Delta and United Airlines, with prices starting from $232 and $249, respectively.

  • What are the most popular routes from Region of Ontario to Houston?

    When deciding which route to take from Region of Ontario to Houston consider Toronto Pearson Intl - Houston Hobby, Toronto Pearson Intl - Houston George Bush Intcntl or Montreal Pierre Elliott Trudeau Intl - Houston Hobby as they are the most popular.

  • Can I find deals for flights from Ontario to Houston that include hotel bookings?

    Yes. In addition to deals on Ontario to Houston flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ontario to Houston?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Houston.

  • Can I find deals for business class flights from Ontario to Houston?

    Yes. Cheapflights offers flight deals from Ontario to Houston by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Region of Ontario to Houston?

    Currently, November is the cheapest month in which you can book a flight from Region of Ontario to Houston (average of $244). Flying from Region of Ontario to Houston in September is currently the most expensive (average of $358). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Ontario to Houston

See prices for flight routes from nearby airports that may be better suited for you.
Pearson Intl to Dallas/Fort Worth flights
Pearson Intl to Hobby flights
Pearson Intl to George Bush Intcntl flights
Pierre Elliott Trudeau Intl to Dallas/Fort Worth flights
Pearson Intl to Austin flights
Calgary to Hobby flights
Vancouver Intl to Hobby flights
Calgary to George Bush Intcntl flights
Vancouver Intl to George Bush Intcntl flights
Vancouver Intl to Dallas/Fort Worth flights
Pierre Elliott Trudeau Intl to Hobby flights
Vancouver Intl to Austin flights
Calgary to Dallas/Fort Worth flights
Pearson Intl to Love Field flights
Pierre Elliott Trudeau Intl to George Bush Intcntl flights
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Edmonton to George Bush Intcntl flights
Calgary to Austin flights
Ottawa to Dallas/Fort Worth flights
Pierre Elliott Trudeau Intl to Austin flights
Toronto Island to George Bush Intcntl flights
Ottawa to George Bush Intcntl flights
Ottawa to Hobby flights
Edmonton to Dallas/Fort Worth flights
Hamilton to George Bush Intcntl flights
Pierre Elliott Trudeau Intl to Love Field flights
Pearson Intl to San Antonio flights
Winnipeg to Dallas/Fort Worth flights
Vancouver Intl to Love Field flights
Edmonton to Austin flights
Winnipeg to Hobby flights
Winnipeg to George Bush Intcntl flights
Pierre Elliott Trudeau Intl to San Antonio flights
Calgary to Love Field flights
Hamilton to Dallas/Fort Worth flights
Halifax to George Bush Intcntl flights
Vancouver Intl to San Antonio flights
Edmonton to Love Field flights
Ottawa to Austin flights
Halifax to Dallas/Fort Worth flights
Victoria to Dallas/Fort Worth flights
Calgary to San Antonio flights
Ottawa to Love Field flights
Pearson Intl to El Paso flights
Hamilton to Austin flights
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Top 4 airlines flying from Ontario to Houston

Discover the top 4 airlines that operate flights from Ontario to Houston. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 11, 2026.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapest$240Average$314FlexibilityNo cancel feeOn-time60%
American AirlinesCheapest$261Average$543FlexibilityNo cancel feeOn-time71%
Air CanadaCheapest$404Average$569FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$438Average$629FlexibilityNo cancel feeOn-time69%

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