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$158+ 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 6/4. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — HOU
Apr 29 — May 61
Tue 4/29
Tue 5/6
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 April 24, 2025.

Round-trip from

$324
(Mytrip)

One-way from

$158
(Kiwi.com)

Popular in

August

Cheapest in

October

Average price

$464
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. 5% potential increase in price ($27 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 April 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 April 24, 2025.

This Kiwi.com deal was found by Cheapflights users on 4/21. 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 5/51:30 pmYYZ - IAH
1 stop19h 26mMultiple Airlines
Tue 5/139:05 pmIAH - YYZ
1 stop15h 54mMultiple Airlines
Deal found 4/21$303
This Kiwi.com deal was found by Cheapflights users on 4/21. 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 5/133:35 pmYTZ - IAH
1 stop9h 24mMultiple Airlines
Sun 5/259:10 amIAH - YTZ
1 stop10h 22mMultiple Airlines
Deal found 4/21$305
This Kiwi.com deal was found by Cheapflights users on 4/22. 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 6/233:50 pmYOW - IAH
1 stop16h 52mMultiple Airlines
Mon 6/308:56 pmIAH - YOW
1 stop19h 10mMultiple Airlines
Deal found 4/22$327
This Mytrip deal was found by Cheapflights users on 4/22. 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.
Tue 5/208:55 amYUL - IAH
3 stops23h 58mMultiple Airlines
Tue 5/275:26 amIAH - YUL
3 stops15h 49mMultiple Airlines
Deal found 4/22$349
This Air Canada deal was found by Cheapflights users on 4/23. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/147:50 pmYYZ - IAH
Nonstop3h 44mAir Canada
Fri 5/167:20 amIAH - YYZ
Nonstop3h 14mAir Canada
Deal found 4/23$373
This Air Canada deal was found by Cheapflights users on 4/23. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/1612:25 pmYTZ - IAH
1 stop8h 17mAir Canada
Mon 10/2010:00 amIAH - YTZ
1 stop8h 49mAir Canada
Deal found 4/23$378
This Delta deal was found by Cheapflights users on 4/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/267:45 amYYZ - IAH
1 stop5h 34mDelta
Thu 10/306:15 amIAH - YYZ
1 stop6h 25mDelta
Deal found 4/22$390
This Delta deal was found by Cheapflights users on 4/23. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1211:30 amYYZ - HOU
1 stop7h 17mDelta
Sat 9/201:00 pmHOU - YYZ
2 stops8h 58mDelta
Deal found 4/23$390
This American Airlines deal was found by Cheapflights users on 4/22. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/316:45 amYYZ - HOU
1 stop12h 16mAmerican Airlines
Sat 5/318:16 pmHOU - YYZ
1 stop15h 14mAmerican Airlines
Deal found 4/22$410
This American Airlines deal was found by Cheapflights users on 4/23. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/176:30 amYYZ - IAH
1 stop7h 19mAmerican Airlines
Mon 5/195:00 amIAH - YYZ
1 stop6h 30mAmerican Airlines
Deal found 4/23$420
This Air Canada deal was found by Cheapflights users on 4/23. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/164:30 pmYUL - IAH
Nonstop4h 12mAir Canada
Wed 10/2210:00 amIAH - YUL
Nonstop3h 50mAir Canada
Deal found 4/23$427
This Delta deal was found by Cheapflights users on 4/23. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/66:00 amYUL - IAH
1 stop5h 32mDelta
Mon 6/96:50 pmIAH - YUL
1 stop14h 18mDelta
Deal found 4/23$428

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 April 24, 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

TorontoHouston

YYZ - IAH

YYZIAH

Toronto Pearson Intl

Mon 5/5

1:30 pm-7:56 am

1 stop19h 26m

Houston George Bush Intcntl

Tue 5/13

9:05 pm-1:59 pm

1 stop15h 54m

$303

TorontoHouston

YTZ - IAH

YTZIAH

Toronto Island

Tue 5/13

3:35 pm-11:59 pm

1 stop9h 24m

Houston George Bush Intcntl

Sun 5/25

9:10 am-8:32 pm

1 stop10h 22m

$305

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Mon 6/23

3:50 pm-7:42 am

1 stop16h 52m

Houston George Bush Intcntl

Mon 6/30

8:56 pm-5:06 pm

1 stop19h 10m

$327

MontrealHouston

YUL - IAH

YULIAH

Montreal Pierre Elliott Trudeau Intl

Tue 5/20

8:55 am-7:53 am

3 stops23h 58m

Houston George Bush Intcntl

Tue 5/27

5:26 am-10:15 pm

3 stops15h 49m

$349

TorontoHouston

YYZ - IAH

YYZIAH

Toronto Pearson Intl

Wed 5/14

7:50 pm-10:34 pm

Nonstop3h 44m

Houston George Bush Intcntl

Fri 5/16

7:20 am-11:34 am

Nonstop3h 14m

$373

TorontoHouston

YTZ - IAH

YTZIAH

Toronto Island

Tue 5/27

12:25 pm-7:56 pm

1 stop8h 31m

Houston George Bush Intcntl

Tue 7/29

10:00 am-7:46 pm

1 stop8h 46m

$379

TorontoHouston

YYZ - IAH

YYZIAH

Toronto Pearson Intl

Fri 5/30

1:25 pm-5:45 pm

1 stop5h 20m

Houston George Bush Intcntl

Wed 6/4

5:06 pm-11:55 pm

1 stop5h 49m

$390

TorontoHouston

YYZ - HOU

YYZHOU

Toronto Pearson Intl

Fri 9/12

11:30 am-5:47 pm

1 stop7h 17m

Houston Hobby

Sat 9/20

1:00 pm-10:58 pm

2 stops8h 58m

$390

TorontoHouston

YYZ - HOU

YYZHOU

Toronto Pearson Intl

Sat 5/31

6:45 am-6:01 pm

1 stop12h 16m

Houston Hobby

Sat 5/31

8:16 pm-12:30 pm

1 stop15h 14m

$410

TorontoHouston

YYZ - IAH

YYZIAH

Toronto Pearson Intl

Sat 5/17

6:30 am-12:49 pm

1 stop7h 19m

Houston George Bush Intcntl

Mon 5/19

5:00 am-12:30 pm

1 stop6h 30m

$420

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/23

Showing 1-10 of 57 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, September is the cheapest month in which you can book a flight from Region of Ontario to Houston (average of $230). Flying from Region of Ontario to Houston in March is currently the most expensive (average of $334). 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 April 24, 2025.

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.

Rainfall in Houston by month

Plan your trip to Houston by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Houston ranges from 3.2 - 5.9 inches per month. June is typically the wettest month, when rainfall can reach 5.9 in. February is typically the driest time to visit Houston when rainfall is around 3.2 in.

Temperature in Houston by month

Plan your trip to Houston by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Houston, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 53.6 F).

Reviews of airlines servicing Houston

Get insights into the airlines that provide service to Houston. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Houston. Reviews last updated April 24, 2025.
Get a feel of what it's like to fly with Porter Airlines, Delta and United Airlines from Ontario to Houston by reading reviews from past customers. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Porter Airlines
8.0
Very good
284 reviews

Entertainment

7.0

Comfort

8.1

Crew

8.8

Boarding

8.2

Food

7.6

Overall

8.0

Reviews

1 / 18
10.0
Excellent

Anonymous,Apr 2025

MCO - YHZ

A good flight and the crew was very nice. Thank you
Porter Airlines
8.0
Very good
284 reviews
Porter Airlines
8.0
Very good
284 reviews

Entertainment

7.0

Comfort

8.1

Crew

8.8

Boarding

8.2

Food

7.6

Overall

8.0

Reviews

1 / 18
10.0
Excellent

Anonymous,Apr 2025

MCO - YHZ

A good flight and the crew was very nice. Thank you
Delta
8.0
Very good
7,920 reviews
Porter Airlines
8.0
Very good
284 reviews

Entertainment

7.0

Comfort

8.1

Crew

8.8

Boarding

8.2

Food

7.6

Overall

8.0

Reviews

1 / 18
10.0
Excellent

Anonymous,Apr 2025

MCO - YHZ

A good flight and the crew was very nice. Thank you
United Airlines
7.4
Good
8,685 reviews
Porter Airlines
8.0
Very good
284 reviews

Entertainment

7.0

Comfort

8.1

Crew

8.8

Boarding

8.2

Food

7.6

Overall

8.0

Reviews

1 / 18
10.0
Excellent

Anonymous,Apr 2025

MCO - YHZ

A good flight and the crew was very nice. Thank you
American Airlines
7.2
Good
10,000 reviews
Porter Airlines
8.0
Very good
284 reviews

Entertainment

7.0

Comfort

8.1

Crew

8.8

Boarding

8.2

Food

7.6

Overall

8.0

Reviews

1 / 18
10.0
Excellent

Anonymous,Apr 2025

MCO - YHZ

A good flight and the crew was very nice. Thank you
WestJet
7.2
Good
2,816 reviews
Porter Airlines
8.0
Very good
284 reviews

Entertainment

7.0

Comfort

8.1

Crew

8.8

Boarding

8.2

Food

7.6

Overall

8.0

Reviews

1 / 18
10.0
Excellent

Anonymous,Apr 2025

MCO - YHZ

A good flight and the crew was very nice. Thank you

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.

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

    $221 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 American Airlines, with prices starting from $223 and $237, 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, September is the cheapest month in which you can book a flight from Region of Ontario to Houston (average of $230). Flying from Region of Ontario to Houston in March is currently the most expensive (average of $334). 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
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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 April 24, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$245Average$626FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$376Average$563FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$444Average$618FlexibilityNo cancel feeOn-time69%

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