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$156+ 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 12/8. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — HOU
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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Cheap flight deals from Ontario to Houston

Keep the following information in mind while searching for Ontario to Houston flight deals. Data was last updated October 30, 2025.

Round-trip from

$285
(Kiwi.com)

One-way from

$156
(Kiwi.com)

Popular in

December

Cheapest in

April

Average price

$524
From Ontario to Houston
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One-way flight from Ontario to Houston
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Highest demand for flights based on searches. 3% potential increase in price ($19 potential increase over avg. RT price).
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Cheapest flight prices on average. 0% potential price decrease ($4 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Find 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 October 30, 2025.

This Kiwi.com deal was found by Cheapflights users on 10/28. 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 12/127:00 amYHM - IAH
1 stop12h 29mMultiple Airlines
Mon 12/158:07 pmIAH - YHM
1 stop17h 13mMultiple Airlines
Deal found 10/28$274
This Kiwi.com deal was found by Cheapflights users on 10/30. 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 11/247:00 amYYZ - IAH
1 stop11h 16mMultiple Airlines
Fri 11/288:08 pmIAH - YYZ
1 stop14h 35mMultiple Airlines
Deal found 10/30$285
This Kiwi.com deal was found by Cheapflights users on 10/30. 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 11/247:00 amYYZ - IAH
1 stop11h 16mMultiple Airlines
Mon 12/13:45 pmIAH - YYZ
1 stop7h 40mMultiple Airlines
Deal found 10/30$288
This FlightHub deal was found by Cheapflights users on 10/30. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/246:30 amYYZ - IAH
1 stop11h 59mWestJet
Mon 12/86:20 pmIAH - YYZ
1 stop10h 53mWestJet
Deal found 10/30$290
This Kiwi.com deal was found by Cheapflights users on 10/29. 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 11/177:00 amYYZ - IAH
1 stop11h 26mMultiple Airlines
Thu 11/206:09 pmIAH - YYZ
1 stop16h 34mMultiple Airlines
Deal found 10/29$292
This Kiwi.com deal was found by Cheapflights users on 10/29. 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 11/247:00 amYYZ - IAH
1 stop18h 41mMultiple Airlines
Thu 11/279:27 pmIAH - YYZ
2 stops34h 11mMultiple Airlines
Deal found 10/29$294
This Mytrip deal was found by Cheapflights users on 10/29. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/177:00 amYYZ - IAH
2 stops25h 44mMultiple Airlines
Fri 11/288:29 amIAH - YYZ
2 stops10h 39mMultiple Airlines
Deal found 10/29$295
This Kiwi.com deal was found by Cheapflights users on 10/29. 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 11/177:00 amYYZ - IAH
2 stops16h 11mMultiple Airlines
Sun 11/308:25 pmIAH - YYZ
1 stop14h 18mMultiple Airlines
Deal found 10/29$297
This Kiwi.com deal was found by Cheapflights users on 10/28. 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.
Sun 11/94:00 pmYYZ - IAH
2 stops42h 33mMultiple Airlines
Sat 1/2411:49 amIAH - YYZ
1 stop11h 22mMultiple Airlines
Deal found 10/28$299
This Kiwi.com deal was found by Cheapflights users on 10/29. 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 11/192:20 pmYYZ - IAH
1 stop9h 23mMultiple Airlines
Sun 11/308:25 pmIAH - YYZ
1 stop26h 46mMultiple Airlines
Deal found 10/29$300
This Mytrip deal was found by Cheapflights users on 10/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/42:30 pmYTZ - IAH
1 stop10h 29mMultiple Airlines
Wed 12/108:23 pmIAH - YTZ
3 stops20h 50mMultiple Airlines
Deal found 10/30$310
This Mytrip deal was found by Cheapflights users on 10/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/46:20 amYKF - IAH
1 stop12h 09mMultiple Airlines
Wed 12/105:25 pmIAH - YKF
2 stops21h 35mMultiple Airlines
Deal found 10/30$315

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 October 30, 2025.
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

HamiltonHouston

YHM - IAH

YHMIAH

Hamilton

Fri 12/12

7:00 am-6:29 pm

1 stop12h 29m

Houston George Bush Intcntl

Mon 12/15

8:07 pm-2:20 pm

1 stop17h 13m

$274

TorontoHouston

YKF - IAH

YKFIAH

Toronto Region of Waterloo Intl

Thu 1/15

6:20 am-12:44 pm

1 stop31h 24m

Houston George Bush Intcntl

Fri 1/16

6:20 pm-5:28 am

1 stop10h 08m

$302

TorontoHouston

YTZ - IAH

YTZIAH

Toronto Island

Thu 12/4

2:30 pm-11:59 pm

1 stop10h 29m

Houston George Bush Intcntl

Wed 12/10

8:23 pm-6:13 pm

3 stops20h 50m

$311

TorontoHouston

YKF - IAH

YKFIAH

Toronto Region of Waterloo Intl

Thu 12/4

6:20 am-5:29 pm

1 stop12h 09m

Houston George Bush Intcntl

Wed 12/10

5:25 pm-4:00 pm

2 stops21h 35m

$315

HamiltonHouston

YHM - IAH

YHMIAH

Hamilton

Tue 1/20

5:45 am-5:29 pm

1 stop12h 44m

Houston George Bush Intcntl

Tue 2/3

6:20 pm-5:16 pm

1 stop21h 56m

$323

TorontoHouston

YTZ - IAH

YTZIAH

Toronto Island

Thu 1/8

2:05 pm-8:42 am

2 stops19h 37m

Houston George Bush Intcntl

Tue 1/13

7:00 am-10:03 pm

2 stops14h 03m

$326

TorontoHouston

YTZ - IAH

YTZIAH

Toronto Island

Mon 1/12

9:15 am-5:08 pm

1 stop8h 53m

Houston George Bush Intcntl

Sun 1/25

6:00 am-4:25 pm

1 stop9h 25m

$336

HamiltonHouston

YHM - IAH

YHMIAH

Hamilton

Wed 11/26

6:10 pm-12:44 pm

1 stop19h 34m

Houston George Bush Intcntl

Wed 12/3

6:20 pm-5:17 pm

1 stop21h 57m

$340

HamiltonHouston

YHM - IAH

YHMIAH

Hamilton

Mon 12/1

6:10 pm-5:26 pm

2 stops24h 16m

Houston George Bush Intcntl

Mon 12/15

8:07 pm-2:20 pm

1 stop17h 13m

$341

HamiltonHouston

YHM - IAH

YHMIAH

Hamilton

Thu 12/4

6:10 pm-12:44 pm

1 stop19h 34m

Houston George Bush Intcntl

Wed 12/10

6:20 pm-5:17 pm

1 stop21h 57m

$344

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/28

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 $245). Flying from Region of Ontario to Houston in March is currently the most expensive (average of $385). 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 October 30, 2025.

One of the essential ways to save on airfare from Region of Ontario to Houston is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the evening could potentially save you up to 13% on airfare.

What is the cheapest day to fly from Region of Ontario to Houston?

Use this chart to determine the cheapest time to fly round-trip from Ontario to Houston. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Region of Ontario to Houston flight should consider departing on Tuesday evenings when fares are most often at their lowest. Sunday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

How much does it cost to fly round-trip from Region of Ontario to Houston?

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 5h 57m. Fly via WestJet, United Airlines, or Delta to get the fastest option. There are 1296 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?

    $171 is the cheapest one-way deal found within the past few days, from WestJet. You may also be able to find cheap deals on Frontier and Delta, with prices starting from $180 and $285, 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 $245). Flying from Region of Ontario to Houston in March is currently the most expensive (average of $385). 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

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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
Calgary to Hobby flights
Calgary to George Bush Intcntl flights
Pierre Elliott Trudeau Intl to Hobby flights
Vancouver Intl to Hobby flights
Pearson Intl to Austin flights
Vancouver Intl to George Bush Intcntl flights
Calgary to Dallas/Fort Worth flights
Vancouver Intl to Dallas/Fort Worth flights
Pierre Elliott Trudeau Intl to George Bush Intcntl flights
Toronto Island to Dallas/Fort Worth flights
Pearson Intl to Love Field flights
Edmonton to Dallas/Fort Worth flights
Edmonton to Hobby flights
Edmonton to George Bush Intcntl flights
Vancouver Intl to Austin flights
Pierre Elliott Trudeau Intl to Austin flights
Ottawa to Dallas/Fort Worth flights
Toronto Island to George Bush Intcntl flights
Pierre Elliott Trudeau Intl to Love Field flights
Calgary to Love Field flights
Vancouver Intl to San Antonio flights
Calgary to Austin flights
Winnipeg to Dallas/Fort Worth flights
Hamilton to George Bush Intcntl flights
Saskatoon to Hobby flights
Pearson Intl to San Antonio flights
Winnipeg to Hobby flights
Winnipeg to George Bush Intcntl flights
Edmonton to Love Field flights
Ottawa to Love Field flights
Edmonton to Austin flights
Halifax to George Bush Intcntl flights
Regina to Dallas/Fort Worth flights
Halifax to Hobby flights
Winnipeg to Love Field flights
Vancouver Intl to Love Field flights
Hamilton to Dallas/Fort Worth flights
Halifax to Dallas/Fort Worth flights
Ottawa to Hobby flights
Ottawa to George Bush Intcntl flights
Pierre Elliott Trudeau Intl to San Antonio flights
Calgary to San Antonio flights
Edmonton to San Antonio flights
Québec City to George Bush Intcntl flights
Québec City to Dallas/Fort Worth flights

Top 3 airlines flying from Ontario to Houston

Discover the top 3 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 October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapest$240Average$314FlexibilityNo cancel feeOn-time60%
Air CanadaCheapest$245Average$590FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$354Average$610FlexibilityNo cancel feeOn-time69%

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