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Cheap flights from Ontario to Houston from C$ 186

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 24/3. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — HOU
13 Mar — 20 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ontario to Houston

Enter your travel dates to find the best prices.

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 11 February 2026.

Wed 4/37:10 a.m.
YYZ
-
IAH
1 stop12h 54m
Multiple Airlines
Mon 9/310:27 p.m.
IAH
-
YYZ
2 stops30h 46m
Multiple Airlines
Deal found 8/2C$ 403
Thu 26/23:40 p.m.
YYZ
-
IAH
1 stop9h 38m
Multiple Airlines
Tue 3/37:58 a.m.
IAH
-
YYZ
2 stops14h 13m
Multiple Airlines
Deal found 10/2C$ 404
Tue 31/33:40 p.m.
YYZ
-
IAH
1 stop9h 19m
Multiple Airlines
Tue 7/46:46 a.m.
IAH
-
YYZ
2 stops12h 24m
Multiple Airlines
Deal found 9/2C$ 405
Mon 23/27:10 a.m.
YYZ
-
IAH
1 stop12h 18m
Multiple Airlines
Wed 4/39:16 a.m.
IAH
-
YYZ
2 stops11h 59m
Multiple Airlines
Deal found 10/2C$ 407
Wed 4/33:40 p.m.
YYZ
-
IAH
1 stop9h 38m
Multiple Airlines
Wed 11/36:30 a.m.
IAH
-
YYZ
2 stops15h 50m
Multiple Airlines
Deal found 9/2C$ 408
Wed 25/23:40 p.m.
YYZ
-
IAH
1 stop9h 38m
Multiple Airlines
Wed 4/39:16 a.m.
IAH
-
YYZ
2 stops11h 59m
Multiple Airlines
Deal found 10/2C$ 412
Mon 23/23:40 p.m.
YYZ
-
IAH
2 stops28h 54m
Multiple Airlines
Thu 26/24:22 p.m.
IAH
-
YYZ
1 stop21h 18m
Multiple Airlines
Deal found 8/2C$ 413
Wed 4/37:10 a.m.
YYZ
-
IAH
1 stop12h 54m
Multiple Airlines
Fri 13/37:19 p.m.
IAH
-
YYZ
2 stops23h 51m
Multiple Airlines
Deal found 8/2C$ 415
Fri 27/310:15 a.m.
YYZ
-
IAH
1 stop10h 53m
Multiple Airlines
Fri 24/44:02 p.m.
IAH
-
YYZ
1 stop21h 03m
Multiple Airlines
Deal found 7/2C$ 417
Sat 7/33:40 p.m.
YYZ
-
IAH
1 stop9h 38m
Multiple Airlines
Sat 14/39:20 p.m.
IAH
-
YYZ
1 stop32h 00m
Multiple Airlines
Deal found 7/2C$ 419
Wed 18/33:40 p.m.
YYZ
-
IAH
1 stop9h 19m
Multiple Airlines
Thu 19/37:19 p.m.
IAH
-
YYZ
1 stop15h 16m
Multiple Airlines
Deal found 6/2C$ 420
Tue 7/47:00 a.m.
YOW
-
IAH
1 stop11h 32m
Multiple Airlines
Fri 17/41:58 p.m.
IAH
-
YOW
2 stops33h 41m
Multiple Airlines
Deal found 10/2C$ 424

Find flight deals from Ontario to Houston

Keep the following information in mind while searching for Ontario to Houston flight deals. Data was last updated 11 February 2026.

Round-trip from

C$ 403

One-way from

C$ 186

Popular in

February

Cheapest in

April

Average price

C$ 789
4/3-9/3
  • 4/3-9/3
  • 3 total stops
  • 43h 40m total
  • Ontario to Houston
Search Deals
24/3
  • 24/3
  • 1 total stop
  • 9h 19m total
  • Ontario to Houston
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (C$ 76 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 12 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

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 11 February 2026.
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 7/4

7:00 a.m.-5:32 p.m.

1 stop11h 32m

Houston George Bush Intcntl

Fri 17/4

1:58 p.m.-12:39 a.m.

2 stops33h 41m

C$ 424

TorontoHouston

YTZ - IAH

YTZIAH

Toronto Island

Wed 1/4

3:45 p.m.-12:30 a.m.

1 stop9h 45m

Houston George Bush Intcntl

Wed 8/4

6:46 a.m.-6:55 p.m.

1 stop11h 09m

C$ 427

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Tue 3/3

4:15 p.m.-8:00 a.m.

1 stop16h 45m

Houston George Bush Intcntl

Tue 10/3

9:40 p.m.-5:17 p.m.

1 stop18h 37m

C$ 434

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Wed 15/4

9:30 a.m.-5:08 p.m.

1 stop8h 38m

Houston George Bush Intcntl

Sat 18/4

2:01 p.m.-11:58 p.m.

1 stop8h 57m

C$ 438

TorontoHouston

YTZ - IAH

YTZIAH

Toronto Island

Sat 4/4

11:00 a.m.-10:00 p.m.

1 stop12h 00m

Houston George Bush Intcntl

Tue 7/4

6:46 a.m.-10:03 p.m.

2 stops14h 17m

C$ 461

HamiltonHouston

YHM - IAH

YHMIAH

Hamilton

Wed 4/3

7:25 a.m.-8:23 p.m.

1 stop13h 58m

Houston George Bush Intcntl

Wed 11/3

5:46 a.m.-3:00 p.m.

1 stop8h 14m

C$ 462

TorontoHouston

YTZ - IAH

YTZIAH

Toronto Island

Fri 10/4

3:00 p.m.-10:50 p.m.

2 stops8h 50m

Houston George Bush Intcntl

Tue 14/4

6:14 a.m.-6:57 p.m.

1 stop11h 43m

C$ 466

TorontoHouston

YTZ - IAH

YTZIAH

Toronto Island

Mon 23/3

3:00 p.m.-10:56 p.m.

2 stops8h 56m

Houston George Bush Intcntl

Tue 31/3

7:05 a.m.-6:55 p.m.

1 stop10h 50m

C$ 466

TorontoHouston

YTZ - IAH

YTZIAH

Toronto Island

Wed 4/3

7:45 a.m.-3:39 p.m.

1 stop8h 54m

Houston George Bush Intcntl

Thu 5/3

7:05 a.m.-4:25 p.m.

1 stop8h 20m

C$ 468

HamiltonHouston

YHM - IAH

YHMIAH

Hamilton

Thu 9/4

6:10 p.m.-12:45 p.m.

1 stop19h 35m

Houston George Bush Intcntl

Wed 15/4

6:20 p.m.-5:16 p.m.

1 stop21h 56m

C$ 482

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/2

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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 C$ 331). Flying from Region of Ontario to Houston in September is currently the most expensive (average of C$ 485). 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 11 February 2026.

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.

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$ 609, WestJet can have you in Houston from Region of Ontario in 9h 39m. 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 cheapest airlines to fly from Region of Ontario to Houston one-way?

    To fly one-way, consider booking your trip with WestJet, which is currently one of the cheapest options available, starting at C$ 197. Air Canada flights start at C$ 260 while deals on United Airlines start at C$ 306 one-way.

  • 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, November is the cheapest month in which you can book a flight from Region of Ontario to Houston (average of C$ 331). Flying from Region of Ontario to Houston in September is currently the most expensive (average of C$ 485). 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
Vancouver Intl to Hobby flights
Vancouver Intl to George Bush Intcntl flights
Pearson Intl to Austin flights
Vancouver Intl to Dallas/Fort Worth flights
Calgary to Hobby flights
Calgary to George Bush Intcntl flights
Pearson Intl to Love Field flights
Calgary to Dallas/Fort Worth flights
Pierre Elliott Trudeau Intl to Hobby flights
Pierre Elliott Trudeau Intl to George Bush Intcntl flights
Vancouver Intl to Austin flights
Pierre Elliott Trudeau Intl to Austin flights
Edmonton to Dallas/Fort Worth flights
Edmonton to Hobby flights
Ottawa to Hobby flights
Toronto Island to Dallas/Fort Worth flights
Pierre Elliott Trudeau Intl to Love Field flights
Edmonton to George Bush Intcntl flights
Ottawa to George Bush Intcntl flights
Ottawa to Dallas/Fort Worth flights
Hamilton to George Bush Intcntl flights
Pearson Intl to San Antonio flights
Vancouver Intl to Love Field flights
Calgary to Austin flights
Winnipeg to Dallas/Fort Worth flights
Toronto Island to George Bush Intcntl flights
Winnipeg to Hobby flights
Winnipeg to George Bush Intcntl flights
Edmonton to Austin flights
Kelowna to Dallas/Fort Worth flights
Calgary to Love Field flights
Halifax to Hobby flights
Pearson Intl to El Paso flights
Pierre Elliott Trudeau Intl to San Antonio flights
Regina to Austin flights
Victoria to Dallas/Fort Worth flights
Edmonton to Love Field flights
Winnipeg to Love Field flights
Ottawa to Austin flights
Saskatoon to Hobby flights
Halifax to George Bush Intcntl flights
Halifax to Dallas/Fort Worth flights
Vancouver Intl to San Antonio flights
Ottawa to Love Field flights
Québec City to Dallas/Fort Worth flights

Top 4 airlines flying from Ontario to Houston

Discover the top 4 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 11 February 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapestC$ 261AverageC$ 527FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
WestJetCheapestC$ 283AverageC$ 630FlexibilityNo cancel feeOn-time60%
Search WestJet flights
United AirlinesCheapestC$ 479AverageC$ 788FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapestC$ 507AverageC$ 751FlexibilityNo cancel feeOn-time67%
Search Air Canada 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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