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Cheap flights from Ontario to Houston from C$ 192

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 30/6. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — HOU
9 May — 16 May1
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 9 April 2026.

Mon 13/46:45 a.m.
YUL
-
IAH
2 stops26h 55m
Multiple Airlines
Tue 21/46:57 p.m.
IAH
-
YUL
1 stop28h 33m
Multiple Airlines
Deal found 6/4C$ 461
Sun 19/48:00 a.m.
YUL
-
IAH
2 stops28h 11m
Multiple Airlines
Tue 21/410:09 a.m.
IAH
-
YUL
1 stop13h 21m
Multiple Airlines
Deal found 4/4C$ 463
Mon 4/57:15 p.m.
YUL
-
IAH
1 stop20h 46m
Multiple Airlines
Mon 11/55:29 p.m.
IAH
-
YUL
1 stop19h 39m
Multiple Airlines
Deal found 6/4C$ 465
Tue 5/57:15 p.m.
YUL
-
IAH
1 stop20h 59m
Multiple Airlines
Tue 2/66:50 a.m.
IAH
-
YUL
1 stop6h 18m
Multiple Airlines
Deal found 6/4C$ 467
Sat 25/410:20 a.m.
YUL
-
IAH
2 stops12h 30m
Multiple Airlines
Mon 4/56:50 a.m.
IAH
-
YUL
1 stop6h 18m
Multiple Airlines
Deal found 4/4C$ 469
Wed 29/44:35 p.m.
YUL
-
IAH
1 stop18h 08m
Multiple Airlines
Mon 4/55:29 p.m.
IAH
-
YUL
2 stops30h 08m
Multiple Airlines
Deal found 6/4C$ 472
Mon 13/46:45 a.m.
YUL
-
IAH
2 stops26h 55m
Multiple Airlines
Mon 20/47:48 p.m.
IAH
-
YUL
1 stop27h 42m
Multiple Airlines
Deal found 6/4C$ 476
Tue 5/57:15 p.m.
YUL
-
IAH
1 stop20h 59m
Multiple Airlines
Tue 12/56:50 a.m.
IAH
-
YUL
1 stop6h 18m
Multiple Airlines
Deal found 7/4C$ 482
Wed 29/44:35 p.m.
YUL
-
IAH
1 stop18h 08m
Multiple Airlines
Thu 30/43:31 p.m.
IAH
-
YUL
1 stop21h 37m
Multiple Airlines
Deal found 7/4C$ 483
Mon 27/45:50 p.m.
YYZ
-
IAH
1 stop22h 11m
Multiple Airlines
Thu 30/46:58 p.m.
IAH
-
YYZ
1 stop15h 37m
Multiple Airlines
Deal found 8/4C$ 500
Thu 9/410:05 a.m.
YYZ
-
IAH
1 stop11h 29m
Multiple Airlines
Sun 19/49:46 a.m.
IAH
-
YYZ
1 stop24h 57m
Multiple Airlines
Deal found 4/4C$ 501
Sun 19/48:30 p.m.
YYZ
-
IAH
1 stop15h 57m
Multiple Airlines
Thu 23/44:06 p.m.
IAH
-
YYZ
2 stops18h 37m
Multiple Airlines
Deal found 8/4C$ 503

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 9 April 2026.

Round-trip from

C$ 463

One-way from

C$ 192

Popular in

March

Cheapest in

October

Average price

C$ 717
19/4-21/4
  • 19/4-21/4
  • 3 total stops
  • 41h 32m total
  • Ontario to Houston
Search Deals
30/6
  • 30/6
  • 1 total stop
  • 13h 07m total
  • Ontario to Houston
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (C$ 49 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 15 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 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 9 April 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

Tue 5/5

8:15 p.m.-4:16 p.m.

2 stops21h 01m

Houston George Bush Intcntl

Tue 12/5

4:06 p.m.-4:40 p.m.

3 stops23h 34m

C$ 587

TorontoHouston

YTZ - IAH

YTZIAH

Toronto Island

Fri 1/5

10:00 a.m.-11:59 p.m.

2 stops14h 59m

Houston George Bush Intcntl

Sun 3/5

6:05 a.m.-1:12 p.m.

2 stops30h 07m

C$ 601

TorontoHouston

YYZ - IAH

YYZIAH

Toronto Pearson Intl

Sat 3/10

11:30 a.m.-4:28 p.m.

1 stop5h 58m

Houston George Bush Intcntl

Wed 14/10

7:50 a.m.-4:39 p.m.

1 stop7h 49m

C$ 626

MontrealHouston

YUL - IAH

YULIAH

Montreal Pierre Elliott Trudeau Intl

Wed 24/6

9:30 a.m.-9:45 p.m.

1 stop13h 15m

Houston George Bush Intcntl

Tue 14/7

6:35 p.m.-8:39 a.m.

1 stop13h 04m

C$ 643

TorontoHouston

YYZ - HOU

YYZHOU

Toronto Pearson Intl

Tue 15/9

11:30 a.m.-4:23 p.m.

1 stop5h 53m

Houston Hobby

Tue 22/9

5:35 p.m.-12:04 a.m.

1 stop5h 29m

C$ 648

TorontoHouston

YKF - IAH

YKFIAH

Toronto Region of Waterloo Intl

Sat 13/6

8:40 p.m.-1:55 p.m.

1 stop18h 15m

Houston George Bush Intcntl

Mon 22/6

6:30 a.m.-7:50 p.m.

1 stop12h 20m

C$ 652

TorontoHouston

YYZ - IAH

YYZIAH

Toronto Pearson Intl

Thu 30/4

6:00 a.m.-1:51 p.m.

2 stops8h 51m

Houston George Bush Intcntl

Thu 7/5

7:00 a.m.-3:14 p.m.

2 stops7h 14m

C$ 654

TorontoHouston

YYZ - IAH

YYZIAH

Toronto Pearson Intl

Mon 20/4

2:34 p.m.-9:35 p.m.

2 stops8h 01m

Houston George Bush Intcntl

Sun 26/4

5:24 a.m.-12:19 p.m.

1 stop5h 55m

C$ 654

TorontoHouston

YYZ - HOU

YYZHOU

Toronto Pearson Intl

Thu 30/4

6:00 a.m.-4:28 p.m.

2 stops11h 28m

Houston Hobby

Thu 7/5

1:06 p.m.-9:55 p.m.

1 stop7h 49m

C$ 654

TorontoHouston

YYZ - HOU

YYZHOU

Toronto Pearson Intl

Tue 21/4

6:00 a.m.-4:28 p.m.

2 stops11h 28m

Houston Hobby

Tue 28/4

6:00 a.m.-12:19 p.m.

1 stop5h 19m

C$ 654

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/4

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$ 335). Flying from Region of Ontario to Houston in December 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 9 April 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.

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$ 626, Delta can have you in Houston from Region of Ontario in 5h 58m. 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$ 202. Air Canada flights start at C$ 280 while deals on United Airlines start at C$ 313 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$ 335). Flying from Region of Ontario to Houston in December 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
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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 9 April 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapestC$ 267AverageC$ 539FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
WestJetCheapestC$ 310AverageC$ 644FlexibilityNo cancel feeOn-time60%
Search WestJet flights
United AirlinesCheapestC$ 488AverageC$ 822FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapestC$ 522AverageC$ 770FlexibilityNo 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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