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Cheap flights from Ontario to Houston from C$ 231

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 16/10. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — HOU
15 Oct — 22 Oct1
1 adult
1 adult, Economy

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 15 September 2025.

Round-trip from

C$ 352

One-way from

C$ 231

Popular in

September

Cheapest in

October

Average price

C$ 747
WestJet
  • WestJet
  • 25/11-27/11
  • 2 total stops
  • 22h 34m total
  • Ontario to Houston
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16/10
  • 16/10
  • 3 total stops
  • 37h 42m total
  • Ontario to Houston
Search Deals
Highest demand for flights based on searches. 1% potential increase in price (C$ 15 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 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 15 September 2025.

Tue 25/116:00 a.m.YOW - IAH
1 stop12h 29mWestJet
Thu 27/111:35 p.m.IAH - YOW
1 stop10h 05mWestJet
Deal found 14/9C$ 352
Thu 23/104:25 p.m.YOW - IAH
1 stop15h 39mMultiple Airlines
Fri 31/101:35 p.m.IAH - YOW
1 stop10h 05mMultiple Airlines
Deal found 14/9C$ 396
Thu 9/108:00 a.m.YYZ - IAH
2 stops15h 43mMultiple Airlines
Thu 16/108:37 p.m.IAH - YYZ
1 stop25h 03mMultiple Airlines
Deal found 14/9C$ 401
Sun 12/1012:00 p.m.YTZ - IAH
2 stops13h 28mMultiple Airlines
Sat 18/101:39 p.m.IAH - YTZ
1 stop21h 38mMultiple Airlines
Deal found 13/9C$ 402
Mon 6/104:00 p.m.YYZ - IAH
1 stop19h 47mMultiple Airlines
Sun 12/104:30 p.m.IAH - YYZ
2 stops31h 13mMultiple Airlines
Deal found 14/9C$ 402
Sun 12/101:30 p.m.YYZ - IAH
1 stop10h 13mMultiple Airlines
Sun 19/108:37 p.m.IAH - YYZ
1 stop26h 18mMultiple Airlines
Deal found 14/9C$ 403
Fri 7/1112:50 p.m.YYZ - IAH
1 stop11h 23mMultiple Airlines
Sun 9/117:30 a.m.IAH - YYZ
2 stops16h 08mMultiple Airlines
Deal found 15/9C$ 405
Thu 16/107:40 a.m.YYZ - IAH
3 stops17h 48mMultiple Airlines
Mon 20/108:10 p.m.IAH - YYZ
1 stop16h 55mMultiple Airlines
Deal found 15/9C$ 406
Thu 9/108:00 a.m.YYZ - IAH
2 stops15h 43mWestJet
Wed 22/103:00 p.m.IAH - YYZ
2 stops13h 51mWestJet
Deal found 14/9C$ 408
Fri 31/109:30 a.m.YOW - IAH
1 stop25h 03mMultiple Airlines
Mon 3/111:35 p.m.IAH - YOW
1 stop10h 05mMultiple Airlines
Deal found 15/9C$ 409
Tue 23/97:15 a.m.YYZ - IAH
1 stop9h 21mMultiple Airlines
Sat 27/95:48 p.m.IAH - YYZ
1 stop28h 53mMultiple Airlines
Deal found 14/9C$ 409
Sun 5/109:35 a.m.YYZ - IAH
1 stop24h 20mMultiple Airlines
Fri 17/1012:42 p.m.IAH - YYZ
1 stop10h 10mMultiple Airlines
Deal found 13/9C$ 410

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 629,999 searches. Data last updated 15 September 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

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Tue 25/11

6:00 a.m.-5:29 p.m.

1 stop12h 29m

Houston George Bush Intcntl

Thu 27/11

1:35 p.m.-12:40 a.m.

1 stop10h 05m

C$ 352

TorontoHouston

YTZ - IAH

YTZIAH

Toronto Island

Sun 12/10

12:00 p.m.-12:28 a.m.

2 stops13h 28m

Houston George Bush Intcntl

Sat 18/10

1:39 p.m.-12:17 p.m.

1 stop21h 38m

C$ 402

TorontoHouston

YYZ - IAH

YYZIAH

Toronto Pearson Intl

Thu 16/10

1:30 p.m.-10:43 p.m.

1 stop10h 13m

Houston George Bush Intcntl

Mon 20/10

8:00 a.m.-10:52 p.m.

1 stop13h 52m

C$ 406

TorontoHouston

YYZ - IAH

YYZIAH

Toronto Pearson Intl

Tue 23/9

7:15 a.m.-3:36 p.m.

1 stop9h 21m

Houston George Bush Intcntl

Sat 27/9

5:48 p.m.-11:41 p.m.

1 stop28h 53m

C$ 409

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Thu 27/11

6:00 a.m.-5:29 p.m.

1 stop12h 29m

Houston George Bush Intcntl

Tue 2/12

6:20 p.m.-4:53 p.m.

1 stop21h 33m

C$ 416

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Thu 23/10

7:00 a.m.-11:23 p.m.

2 stops17h 23m

Houston George Bush Intcntl

Fri 31/10

1:35 p.m.-12:40 a.m.

1 stop10h 05m

C$ 423

TorontoHouston

YTZ - IAH

YTZIAH

Toronto Island

Wed 15/10

12:00 p.m.-12:28 a.m.

2 stops13h 28m

Houston George Bush Intcntl

Sun 26/10

9:04 p.m.-1:10 p.m.

1 stop15h 06m

C$ 427

TorontoHouston

YTZ - IAH

YTZIAH

Toronto Island

Wed 15/10

12:00 p.m.-12:28 a.m.

2 stops13h 28m

Houston George Bush Intcntl

Sun 19/10

6:00 a.m.-9:43 p.m.

2 stops14h 43m

C$ 427

TorontoHouston

YKF - IAH

YKFIAH

Toronto Region of Waterloo Intl

Thu 13/11

6:20 a.m.-5:29 p.m.

1 stop12h 09m

Houston George Bush Intcntl

Mon 17/11

6:20 p.m.-5:28 a.m.

1 stop10h 08m

C$ 435

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Sun 12/10

3:50 p.m.-12:28 a.m.

1 stop9h 38m

Houston George Bush Intcntl

Sun 19/10

6:00 a.m.-5:20 p.m.

1 stop10h 20m

C$ 437

Flights are sorted by cheapest round-trip flights first.

Deals found on 14/9

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, September is the cheapest month in which you can book a flight from Region of Ontario to Houston (average of C$ 364). Flying from Region of Ontario to Houston in March is currently the most expensive (average of C$ 481). 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 15 September 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.

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?

    For as low as C$ 558, WestJet can have you in Houston from Region of Ontario in 9h 45m. There are 2060 km between Region of Ontario and Houston. Both multi-stop and direct flights can be found to your destination and back.

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

    The most popular route from Region of Ontario to Houston is Toronto Pearson Intl - Houston Hobby. You may also consider Toronto Pearson Intl - Houston George Bush Intcntl or Montreal Pierre Elliott Trudeau Intl - Houston Hobby.

  • 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 C$ 364). Flying from Region of Ontario to Houston in March is currently the most expensive (average of C$ 481). 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
Vancouver Intl to George Bush Intcntl flights
Vancouver Intl to Hobby flights
Vancouver Intl to Dallas/Fort Worth flights
Pearson Intl to Austin flights
Pierre Elliott Trudeau Intl to Hobby flights
Toronto Island to Dallas/Fort Worth flights
Pierre Elliott Trudeau Intl to George Bush Intcntl flights
Pearson Intl to Love Field flights
Calgary to Hobby flights
Calgary to George Bush Intcntl flights
Calgary to Dallas/Fort Worth flights
Edmonton to Hobby flights
Edmonton to George Bush Intcntl flights
Pierre Elliott Trudeau Intl to Austin flights
Québec City to Dallas/Fort Worth flights
Vancouver Intl to Austin flights
Vancouver Intl to Love Field flights
Ottawa to Dallas/Fort Worth flights
Winnipeg to Dallas/Fort Worth flights
Pierre Elliott Trudeau Intl to Love Field flights
Ottawa to Hobby flights
Winnipeg to Hobby flights
Edmonton to Dallas/Fort Worth flights
Calgary to Austin flights
Winnipeg to George Bush Intcntl flights
Toronto Island to George Bush Intcntl flights
Ottawa to George Bush Intcntl flights
Pearson Intl to San Antonio flights
Calgary to Love Field flights
Vancouver Intl to San Antonio flights
Edmonton to Love Field flights
Saskatoon to Dallas/Fort Worth flights
Hamilton to George Bush Intcntl flights
Winnipeg to Love Field flights
Winnipeg to Austin flights
Halifax to Dallas/Fort Worth flights
Ottawa to Austin flights
Regina to Dallas/Fort Worth flights
Halifax to Hobby flights
Kelowna to Hobby flights
Regina to Hobby flights
Pierre Elliott Trudeau Intl to San Antonio flights
Halifax to George Bush Intcntl flights
Kelowna to George Bush Intcntl flights
Victoria to Austin flights

Top 5 airlines flying from Ontario to Houston

Discover the top 5 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 629,999 searches. Data last updated 15 September 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapestC$ 266AverageC$ 545FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Air CanadaCheapestC$ 350AverageC$ 739FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
WestJetCheapestC$ 417AverageC$ 649FlexibilityNo cancel feeOn-time60%
Search WestJet flights
United AirlinesCheapestC$ 544AverageC$ 805FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
DeltaCheapestC$ 558AverageC$ 659FlexibilityNo cancel feeOn-timeN/A
Search Delta flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Ontario to Houston?

Cheapflights helps you search for flights from Ontario to Houston via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Ontario to Houston?

Millions of users choose and trust Cheapflights to book the best flight deals from Ontario to Houston for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Ontario to Houston with no change fees?

Yes, we can. To see specific flights from Ontario to Houston with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Ontario to Houston become cheaper?

Not ready to book yet? You can track prices for flights from Ontario to Houston on Cheapflights with our Price Alert feature and get notified when better prices are available.

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