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Cheap flights from Ontario to Houston from C$ 315

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 21/10. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — HOU
6 Aug — 13 Aug1
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 7 July 2026.

Tue 11/86:30 a.m.
YYZ
-
IAH
1 stop9h 35m
Multiple Airlines
Tue 18/81:45 p.m.
IAH
-
YYZ
1 stop29h 20m
Multiple Airlines
Deal found 4/7C$ 591
Sat 22/89:15 a.m.
YTZ
-
IAH
2 stops23h 05m
Multiple Airlines
Mon 31/89:58 p.m.
IAH
-
YTZ
1 stop15h 27m
Multiple Airlines
Deal found 4/7C$ 592
Fri 11/98:35 p.m.
YYZ
-
IAH
1 stop25h 29m
Multiple Airlines
Tue 15/99:59 p.m.
IAH
-
YYZ
2 stops26h 06m
Multiple Airlines
Deal found 3/7C$ 594
Sat 22/87:25 a.m.
YYZ
-
IAH
2 stops15h 49m
Multiple Airlines
Mon 31/88:35 a.m.
IAH
-
YYZ
1 stop28h 30m
Multiple Airlines
Deal found 4/7C$ 595
Thu 10/912:40 p.m.
YYZ
-
IAH
2 stops11h 00m
WestJet
Mon 14/96:30 a.m.
IAH
-
YYZ
2 stops12h 25m
WestJet
Deal found 6/7C$ 598
Fri 6/117:35 a.m.
YYZ
-
IAH
1 stop8h 31m
Multiple Airlines
Tue 10/111:35 p.m.
IAH
-
YYZ
2 stops26h 35m
Multiple Airlines
Deal found 7/7C$ 600
Fri 6/111:14 p.m.
YYZ
-
IAH
1 stop11h 45m
American Airlines
Tue 10/1111:26 a.m.
IAH
-
YYZ
1 stop9h 03m
American Airlines
Deal found 7/7C$ 601
Thu 13/86:30 a.m.
YYZ
-
IAH
1 stop9h 35m
Multiple Airlines
Sun 16/88:02 p.m.
IAH
-
YYZ
2 stops14h 58m
Multiple Airlines
Deal found 2/7C$ 602
Thu 13/86:30 a.m.
YYZ
-
IAH
1 stop9h 35m
Multiple Airlines
Thu 20/85:09 p.m.
IAH
-
YYZ
2 stops27h 31m
Multiple Airlines
Deal found 3/7C$ 607
Fri 4/91:40 p.m.
YTZ
-
IAH
1 stop8h 23m
Multiple Airlines
Mon 7/99:58 p.m.
IAH
-
YTZ
1 stop10h 42m
Multiple Airlines
Deal found 4/7C$ 612
Thu 10/910:05 a.m.
YTZ
-
IAH
1 stop8h 42m
Multiple Airlines
Wed 23/96:42 p.m.
IAH
-
YTZ
1 stop13h 58m
Multiple Airlines
Deal found 6/7C$ 614
Wed 9/910:05 a.m.
YTZ
-
IAH
1 stop8h 42m
Multiple Airlines
Mon 28/96:42 p.m.
IAH
-
YTZ
1 stop13h 58m
Multiple Airlines
Deal found 6/7C$ 615

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 7 July 2026.

Round-trip from

C$ 591

One-way from

C$ 315

Popular in

March

Cheapest in

October

Average price

C$ 766
18/9-21/9
  • 18/9-21/9
  • 3 total stops
  • 27h 54m total
  • Ontario to Houston
Search Deals
21/10
  • 21/10
  • 2 total stops
  • 33h 21m total
  • Ontario to Houston
Search Deals
Highest demand for flights based on searches. 2% potential increase in price (C$ 27 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 14 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 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 7 July 2026.
Use the filters below to find and compare flights from Ontario to Houston that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

TorontoHouston

YTZ - IAH

YTZIAH

Toronto Island

Fri 4/9

1:40 p.m.-9:03 p.m.

1 stop8h 23m

Houston George Bush Intcntl

Mon 7/9

9:58 p.m.-9:40 a.m.

1 stop10h 42m

C$ 612

MontrealHouston

YUL - IAH

YULIAH

Montreal Pierre Elliott Trudeau Intl

Wed 28/10

11:15 a.m.-9:38 p.m.

1 stop11h 23m

Houston George Bush Intcntl

Sat 31/10

10:55 a.m.-9:42 a.m.

1 stop21h 47m

C$ 624
Quickest round-trip

TorontoHouston

YYZ - IAH

YYZIAH

Toronto Pearson Intl

Fri 14/8

7:40 p.m.-10:11 p.m.

Nonstop3h 31m

Houston George Bush Intcntl

Sun 16/8

11:45 a.m.-4:00 p.m.

Nonstop3h 15m

C$ 655

TorontoHouston

YTZ - IAH

YTZIAH

Toronto Island

Fri 14/8

12:30 p.m.-7:38 p.m.

1 stop8h 08m

Houston George Bush Intcntl

Sun 16/8

10:00 a.m.-7:51 p.m.

1 stop8h 51m

C$ 668

TorontoHouston

YYZ - IAH

YYZIAH

Toronto Pearson Intl

Wed 16/9

11:40 a.m.-7:49 p.m.

1 stop9h 09m

Houston George Bush Intcntl

Wed 30/9

6:05 a.m.-12:35 p.m.

1 stop5h 30m

C$ 675

TorontoHouston

YTZ - IAH

YTZIAH

Toronto Island

Thu 27/8

1:40 p.m.-7:20 a.m.

2 stops18h 40m

Houston George Bush Intcntl

Thu 3/9

9:58 p.m.-9:40 a.m.

1 stop10h 42m

C$ 685

TorontoHouston

YTZ - IAH

YTZIAH

Toronto Island

Thu 6/8

9:15 a.m.-7:07 p.m.

1 stop10h 52m

Houston George Bush Intcntl

Fri 14/8

9:42 p.m.-1:00 p.m.

1 stop14h 18m

C$ 693

TorontoHouston

YTZ - IAH

YTZIAH

Toronto Island

Sun 16/8

12:30 p.m.-7:38 p.m.

1 stop8h 08m

Houston George Bush Intcntl

Sat 22/8

10:00 a.m.-9:31 p.m.

1 stop10h 31m

C$ 709

TorontoHouston

YTZ - IAH

YTZIAH

Toronto Island

Fri 14/8

12:30 p.m.-7:38 p.m.

1 stop8h 08m

Houston George Bush Intcntl

Sat 15/8

10:00 a.m.-9:31 p.m.

1 stop10h 31m

C$ 709

TorontoHouston

YTZ - IAH

YTZIAH

Toronto Island

Thu 27/8

12:30 p.m.-7:38 p.m.

1 stop8h 08m

Houston George Bush Intcntl

Sat 5/9

10:00 a.m.-9:31 p.m.

1 stop10h 31m

C$ 716

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/7

Showing 1-10 of 60 resultsSorted by cheapest first
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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$ 108). Flying from Region of Ontario to Houston in September is currently the most expensive (average of C$ 389). 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 7 July 2026.

It’s optimal to fly from Region of Ontario to Houston in the morning. By choosing this option you can save up to 16% on the cost of your flight, compared to a flight in the afternoon.

How much does it cost to fly round-trip from Region of Ontario to Houston?

How far ahead should I book a flight from Region of Ontario to Houston?

The price you pay for your flight from Region of Ontario to Houston may vary depending on when you book. For the best chance of a lower fare, look to book 85 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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$ 655, Delta can have you in Houston from Region of Ontario in 3h 31m. 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$ 207. Air Canada flights start at C$ 320 while deals on United Airlines start at C$ 342 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$ 108). Flying from Region of Ontario to Houston in September is currently the most expensive (average of C$ 389). 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
Vancouver Intl to Hobby flights
Pearson Intl to Love Field flights
Toronto Island to Dallas/Fort Worth flights
Vancouver Intl to George Bush Intcntl flights
Pierre Elliott Trudeau Intl to Dallas/Fort Worth flights
Vancouver Intl to Dallas/Fort Worth flights
Pearson Intl to Austin flights
Calgary to Hobby flights
Pierre Elliott Trudeau Intl to Hobby flights
Calgary to George Bush Intcntl flights
Pierre Elliott Trudeau Intl to George Bush Intcntl flights
Calgary to Dallas/Fort Worth flights
Toronto Island to George Bush Intcntl flights
Edmonton to Dallas/Fort Worth flights
Pierre Elliott Trudeau Intl to Austin flights
Ottawa to Dallas/Fort Worth flights
Vancouver Intl to Austin flights
Winnipeg to Hobby flights
Winnipeg to George Bush Intcntl flights
Hamilton to George Bush Intcntl flights
Pearson Intl to San Antonio flights
Edmonton to Hobby flights
Pierre Elliott Trudeau Intl to Love Field flights
Edmonton to George Bush Intcntl flights
Saskatoon to Hobby flights
Calgary to Love Field flights
Saskatoon to George Bush Intcntl flights
Ottawa to Hobby flights
Ottawa to George Bush Intcntl flights
Vancouver Intl to Love Field flights
Ottawa to Love Field flights
Regina to Hobby flights
Halifax to Dallas/Fort Worth flights
Regina to George Bush Intcntl flights
Calgary to Austin flights
Edmonton to Love Field flights
Edmonton to Austin flights
Winnipeg to Dallas/Fort Worth flights
Saskatoon to Dallas/Fort Worth flights
Hamilton to Dallas/Fort Worth flights
Regina to Dallas/Fort Worth flights
Vancouver Intl to San Antonio flights
Québec City to Dallas/Fort Worth flights
Ottawa to Austin flights
Region of Waterloo Intl 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 7 July 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapestC$ 274AverageC$ 613FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Air CanadaCheapestC$ 314AverageC$ 815FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
WestJetCheapestC$ 318AverageC$ 660FlexibilityNo cancel feeOn-time60%
Search WestJet flights
United AirlinesCheapestC$ 499AverageC$ 859FlexibilityNo cancel feeOn-time69%
Search United Airlines 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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