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Ontario

$147+ Cheap flights from Houston to Ontario

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 10/15. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — YYZ
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheap flight deals from Houston to Ontario

Keep the following information in mind while searching for Houston to Ontario flight deals. Data was last updated June 12, 2025.

Round-trip from

$271
(Kiwi.com)

One-way from

$153
(Kiwi.com)

Popular in

July

Cheapest in

February

Average price

$586
From Houston to Ontario
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One-way flight from Houston to Ontario
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Highest demand for flights based on searches. 11% potential increase in price ($66 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($10 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 Houston to Ontario

Cheapest flights from Houston to Ontario
Explore the most affordable flight options available from Houston to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

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.
Thu 6/267:15 pmIAH - YYZ
1 stop25h 08mMultiple Airlines
Mon 7/147:45 amYYZ - IAH
1 stop8h 59mMultiple Airlines
Deal found 6/10$271
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.
Tue 8/129:00 amIAH - YTZ
1 stop10h 02mMultiple Airlines
Wed 8/207:55 amYTZ - IAH
1 stop16h 45mMultiple Airlines
Deal found 6/10$306
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.
Thu 9/255:00 amIAH - YUL
1 stop11h 55mMultiple Airlines
Sun 9/286:35 pmYUL - IAH
1 stop19h 47mMultiple Airlines
Deal found 6/10$362
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/13:00 pmIAH - YKF
2 stops13h 30mMultiple Airlines
Tue 9/96:00 amYKF - IAH
2 stops32h 44mMultiple Airlines
Deal found 6/11$387
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/319:42 amHOU - YYZ
2 stops34h 26mMultiple Airlines
Sun 8/36:30 amYYZ - HOU
2 stops37h 43mMultiple Airlines
Deal found 6/10$391
This Trip.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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/76:12 pmHOU - YYZ
1 stop16h 38mSun Country Air
Thu 8/1411:40 amYYZ - HOU
1 stop8h 02mSun Country Air
Deal found 6/10$402
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.
Wed 10/151:13 pmIAH - YYZ
1 stop9h 16mAmerican Airlines
Mon 10/201:15 pmYYZ - IAH
1 stop11h 20mAmerican Airlines
Deal found 6/10$407
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.
Thu 10/26:20 amIAH - YUL
1 stop9h 10mAmerican Airlines
Sun 10/55:15 pmYUL - IAH
1 stop17h 21mAmerican Airlines
Deal found 6/11$410
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/258:03 pmHOU - YTZ
2 stops15h 37mMultiple Airlines
Fri 8/17:55 amYTZ - HOU
2 stops12h 18mMultiple Airlines
Deal found 6/10$415
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.
Mon 10/66:15 pmIAH - YUL
1 stop15h 15mDelta
Tue 10/217:00 amYUL - IAH
1 stop10h 59mDelta
Deal found 6/10$438
This Booking.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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/2811:05 amIAH - YUL
Nonstop3h 38mAir Canada
Sun 1/115:40 pmYUL - IAH
Nonstop4h 39mAir Canada
Deal found 6/10$472
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/287:05 amIAH - YHM
3 stops39h 48mMultiple Airlines
Fri 8/16:00 amYHM - IAH
3 stops24h 55mMultiple Airlines
Deal found 6/10$482

Cheapflights Fare Finder

Customize your flight search to find flights from Houston to Ontario 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 June 12, 2025.
Use the filters below to find and compare flights from Houston to Ontario that are best for you.

Fly from

Houston

Fly to

Ontario

Route

Depart

Return

Price

HoustonToronto

IAH - YYZ

IAHYYZ

Houston George Bush Intcntl

Thu 6/26

7:15 pm-9:23 pm

1 stop25h 08m

Toronto Pearson Intl

Mon 7/14

7:45 am-3:44 pm

1 stop8h 59m

$271

HoustonToronto

IAH - YTZ

IAHYTZ

Houston George Bush Intcntl

Tue 8/12

9:00 am-8:02 pm

1 stop10h 02m

Toronto Island

Wed 8/20

7:55 am-11:40 pm

1 stop16h 45m

$306

HoustonMontreal

IAH - YUL

IAHYUL

Houston George Bush Intcntl

Thu 9/4

5:00 am-5:55 pm

1 stop11h 55m

Montreal Pierre Elliott Trudeau Intl

Sun 9/7

6:35 pm-1:22 pm

1 stop19h 47m

$362

HoustonToronto

IAH - YKF

IAHYKF

Houston George Bush Intcntl

Mon 9/1

3:00 pm-5:30 am

2 stops13h 30m

Toronto Region of Waterloo Intl

Tue 9/9

6:00 am-1:44 pm

2 stops32h 44m

$387

HoustonToronto

HOU - YYZ

HOUYYZ

Houston Hobby

Thu 7/31

9:42 am-9:08 pm

2 stops34h 26m

Toronto Pearson Intl

Sun 8/3

6:30 am-7:13 pm

2 stops37h 43m

$391

HoustonToronto

HOU - YYZ

HOUYYZ

Houston Hobby

Thu 8/7

6:12 pm-11:50 am

1 stop16h 38m

Toronto Pearson Intl

Thu 8/14

11:40 am-6:42 pm

1 stop8h 02m

$402

HoustonToronto

IAH - YYZ

IAHYYZ

Houston George Bush Intcntl

Wed 10/15

1:13 pm-11:29 pm

1 stop9h 16m

Toronto Pearson Intl

Mon 10/20

1:15 pm-11:35 pm

1 stop11h 20m

$407

HoustonMontreal

IAH - YUL

IAHYUL

Houston George Bush Intcntl

Thu 9/4

6:39 pm-11:45 am

1 stop16h 06m

Montreal Pierre Elliott Trudeau Intl

Sun 9/7

5:15 pm-9:24 am

1 stop17h 09m

$410

HoustonToronto

HOU - YTZ

HOUYTZ

Houston Hobby

Fri 7/25

8:03 pm-12:40 pm

2 stops15h 37m

Toronto Island

Fri 8/1

7:55 am-7:13 pm

2 stops12h 18m

$415

HoustonHamilton

IAH - YHM

IAHYHM

Houston George Bush Intcntl

Mon 7/28

7:05 am-11:53 pm

3 stops39h 48m

Hamilton

Fri 8/1

6:00 am-5:55 am

3 stops24h 55m

$482

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 53 results
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Best time to book a flight from Houston to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Houston 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 Houston to Ontario

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

Currently, January is the cheapest month in which you can book a flight from Houston to Region of Ontario (average of $243). Flying from Houston to Region of Ontario in July is currently the most expensive (average of $353). 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 HOU to ON?

Find hourly flight availability from Houston to Ontario. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 12, 2025.

When flying from Houston to Region of Ontario, 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 Ontario by month

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

In terms of precipitation, rainfall in Region of Ontario ranges from 2.0 - 3.3 inches per month. June is typically the wettest month, when rainfall can reach 3.3 in. February is typically the driest time to visit Region of Ontario when rainfall is around 2.0 in.

Temperature in Ontario by month

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

If weather is an important factor for your trip to Region of Ontario, 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 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 21.2 F).

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. 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 Ontario. Reviews last updated June 12, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Delta and United Airlines from Houston to Ontario by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Entertainment

7.1

Overall

8.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Entertainment

7.1

Overall

8.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
Delta
8.0
Very good
7,950 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Entertainment

7.1

Overall

8.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Entertainment

7.1

Overall

8.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Entertainment

7.1

Overall

8.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
WestJet
7.2
Good
2,868 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Entertainment

7.1

Overall

8.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.

Related info for your journey

Find useful and relevant information for your journey from Houston to Ontario. 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 Houston to Region of Ontario one-way?

    For one-way options, check prices for Delta. According to our data, you can fly for as low as $205. Users have also found prices from $229 and $237 on Air Canada and United Airlines, respectively.

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

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

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Houston to Ontario 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 Houston to Region of Ontario?

    Currently, January is the cheapest month in which you can book a flight from Houston to Region of Ontario (average of $243). Flying from Houston to Region of Ontario in July is currently the most expensive (average of $353). 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 Houston to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
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San Antonio to Calgary flights
George Bush Intcntl to Québec City flights
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Love Field to Edmonton flights
San Antonio to Pierre Elliott Trudeau Intl flights
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Top 4 airlines flying from Houston to Ontario

Discover the top 4 airlines that operate flights from Houston to Ontario. 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$218Average$498FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$246Average$712FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$250Average$713FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$297Average$513FlexibilityNo cancel feeOn-time71%

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