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$177+ 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 7/15. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — HOU
juin 17 — juin 241
mar. 6/17
mar. 6/24
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 juin 12, 2025.

Round-trip from

$336
(Kiwi.com)

One-way from

$177
(Kiwi.com)

Popular in

August

Cheapest in

October

Average price

$512
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 ($18 potential increase over avg. RT price).
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Cheapest flight prices on average. 0% potential price decrease ($5 potential savings vs. average RT price).
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Average for round-trip flights in June 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 juin 12, 2025.

This Kiwi.com deal was found by Cheapflights users on 6/9. 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.
mar. 7/297:25 pmYYZ - IAH
1 stop14h 33mMultiple Airlines
ven. 8/810:03 amIAH - YYZ
1 stop10h 20mMultiple Airlines
Deal found 6/9$336
This Kiwi.com deal was found by Cheapflights users on 6/11. 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.
ven. 8/227:45 amYTZ - IAH
1 stop6h 37mMultiple Airlines
sam. 9/65:00 amIAH - YTZ
1 stop6h 40mMultiple Airlines
Deal found 6/11$340
This Kiwi.com deal was found by Cheapflights users on 6/11. 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.
lun. 7/214:45 pmYUL - IAH
2 stops17h 13mMultiple Airlines
mar. 7/225:57 pmIAH - YUL
1 stop17h 28mMultiple Airlines
Deal found 6/11$347
This Kiwi.com deal was found by Cheapflights users on 6/10. 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.
mer. 7/94:25 pmYOW - IAH
1 stop8h 00mMultiple Airlines
mer. 7/165:00 amIAH - YOW
1 stop11h 15mMultiple Airlines
Deal found 6/10$349
This American Airlines deal was found by Cheapflights users on 6/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/2211:44 amYYZ - IAH
1 stop12h 36mAmerican Airlines
lun. 9/296:20 amIAH - YYZ
1 stop10h 29mAmerican Airlines
Deal found 6/10$394
This American Airlines deal was found by Cheapflights users on 6/11. 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.
jeu. 10/212:30 pmYUL - IAH
1 stop11h 50mAmerican Airlines
dim. 10/53:38 pmIAH - YUL
1 stop6h 19mAmerican Airlines
Deal found 6/11$424
This American Airlines deal was found by Cheapflights users on 6/11. 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.
mar. 7/2210:30 amYUL - HOU
2 stops8h 29mAmerican Airlines
mar. 7/228:23 pmHOU - YUL
2 stops14h 17mAmerican Airlines
Deal found 6/11$432
This Air Canada deal was found by Cheapflights users on 6/11. 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.
jeu. 10/305:40 pmYUL - IAH
Nonstop4h 39mAir Canada
dim. 11/911:05 amIAH - YUL
Nonstop3h 38mAir Canada
Deal found 6/11$432
This Delta deal was found by Cheapflights users on 6/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 8/66:00 amYUL - IAH
2 stops9h 50mDelta
mer. 8/1310:21 amIAH - YUL
1 stop10h 27mDelta
Deal found 6/10$433
This Air Canada deal was found by Cheapflights users on 6/12. 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.
ven. 8/2212:25 pmYTZ - IAH
1 stop8h 11mAir Canada
sam. 9/610:00 amIAH - YTZ
1 stop6h 45mAir Canada
Deal found 6/12$434
This Delta deal was found by Cheapflights users on 6/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 7/2911:00 amYUL - HOU
2 stops10h 40mDelta
mar. 8/512:56 pmHOU - YUL
1 stop9h 59mDelta
Deal found 6/10$438
This Air Canada deal was found by Cheapflights users on 6/10. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 9/1212:00 pmYYZ - IAH
1 stop8h 42mAir Canada
sam. 9/2010:00 amIAH - YYZ
1 stop6h 58mAir Canada
Deal found 6/10$441

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 juin 12, 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

mar. 7/29

7:25 pm-8:58 am

1 stop14h 33m

Houston George Bush Intcntl

ven. 8/8

10:03 am-9:23 pm

1 stop10h 20m

$336

TorontoHouston

YTZ - IAH

YTZIAH

Toronto Island

ven. 8/22

7:45 am-1:22 pm

1 stop6h 37m

Houston George Bush Intcntl

sam. 9/6

5:00 am-12:40 pm

1 stop6h 40m

$340

MontrealHouston

YUL - IAH

YULIAH

Montreal Pierre Elliott Trudeau Intl

lun. 7/21

4:45 pm-8:58 am

2 stops17h 13m

Houston George Bush Intcntl

mar. 7/22

5:57 pm-12:25 pm

1 stop17h 28m

$347

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

mer. 7/9

4:25 pm-11:25 pm

1 stop8h 00m

Houston George Bush Intcntl

mer. 7/16

5:00 am-5:15 pm

1 stop11h 15m

$349

TorontoHouston

YYZ - IAH

YYZIAH

Toronto Pearson Intl

lun. 9/22

11:44 am-11:20 pm

1 stop12h 36m

Houston George Bush Intcntl

lun. 9/29

6:20 am-5:49 pm

1 stop10h 29m

$394

TorontoHouston

YYZ - IAH

YYZIAH

Toronto Pearson Intl

lun. 6/30

8:45 am-11:15 am

Nonstop3h 30m

Houston George Bush Intcntl

dim. 7/6

7:20 am-11:34 am

Nonstop3h 14m

$424

MontrealHouston

YUL - IAH

YULIAH

Montreal Pierre Elliott Trudeau Intl

jeu. 10/2

12:30 pm-11:20 pm

1 stop11h 50m

Houston George Bush Intcntl

dim. 10/5

3:38 pm-10:57 pm

1 stop6h 19m

$424

MontrealHouston

YUL - IAH

YULIAH

Montreal Pierre Elliott Trudeau Intl

jeu. 10/30

5:40 pm-9:19 pm

Nonstop4h 39m

Houston George Bush Intcntl

dim. 11/9

11:05 am-3:43 pm

Nonstop3h 38m

$432

MontrealHouston

YUL - HOU

YULHOU

Montreal Pierre Elliott Trudeau Intl

mar. 7/22

10:30 am-5:59 pm

2 stops8h 29m

Houston Hobby

mar. 7/22

8:23 pm-11:40 am

2 stops14h 17m

$432

MontrealHouston

YUL - IAH

YULIAH

Montreal Pierre Elliott Trudeau Intl

mer. 8/6

6:00 am-2:50 pm

2 stops9h 50m

Houston George Bush Intcntl

mar. 8/12

10:21 am-9:48 pm

1 stop10h 27m

$433

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

Showing 1-10 of 59 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 $332). 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 juin 12, 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 juin 12, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Delta and KLM 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.
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.1

Overall

8.0

Boarding

8.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.1

Overall

8.0

Boarding

8.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,950 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.1

Overall

8.0

Boarding

8.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
KLM
7.8
Good
1,358 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.1

Overall

8.0

Boarding

8.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Aeromexico
7.5
Good
1,706 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.1

Overall

8.0

Boarding

8.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.1

Overall

8.0

Boarding

8.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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?

    $236 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 Sun Country Air and United Airlines, with prices starting from $245 and $248, 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 $332). 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
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Top 2 airlines flying from Ontario to Houston

Discover the top 2 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 juin 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$245Average$568FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$444Average$598FlexibilityNo cancel feeOn-time69%

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