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Cheap flights from Houston to Ontario from C$ 230

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 24/9. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — YYZ
10 Sep — 17 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Houston to Ontario

Enter your travel dates to find the best prices.

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 11 August 2026.

Wed 9/98:25 a.m. -
1 stop28h 40m
Sat 12/96:30 a.m. -
1 stop9h 47m
Deal found 10/8C$ 400
Wed 23/99:04 p.m. -
2 stops22h 51m
Mon 28/91:30 p.m. -
1 stop26h 47m
Deal found 8/8C$ 406
Sat 19/98:25 a.m. -
1 stop29h 35m
Mon 5/109:30 a.m. -
1 stop30h 47m
Deal found 10/8C$ 410
Thu 24/98:25 a.m. -
1 stop11h 30m
Mon 28/91:30 p.m. -
2 stops18h 47m
Deal found 9/8C$ 411
Sat 26/98:25 a.m. -
1 stop28h 40m
Mon 28/91:30 p.m. -
1 stop26h 47m
Deal found 9/8C$ 421
Fri 25/98:25 a.m. -
1 stop11h 30m
Mon 28/91:30 p.m. -
2 stops18h 47m
Deal found 7/8C$ 423
Thu 10/98:25 p.m. -
1 stop19h 15m
Mon 14/91:30 p.m. -
1 stop26h 47m
Deal found 7/8C$ 427
Wed 9/99:04 p.m. -
2 stops40h 51m
Mon 14/91:30 p.m. -
1 stop26h 47m
Deal found 10/8C$ 428
Wed 16/99:04 p.m. -
2 stops22h 51m
Mon 21/91:30 p.m. -
1 stop26h 47m
Deal found 9/8C$ 430
Fri 11/96:50 p.m. -
1 stop18h 35m
Tue 15/91:45 p.m. -
1 stop21h 45m
Deal found 9/8C$ 436
Sat 5/94:19 p.m. -
1 stop20h 16m
Thu 10/91:45 p.m. -
1 stop29h 10m
Deal found 10/8C$ 459
Tue 1/912:53 p.m. -
1 stop24h 32m
Fri 16/101:40 p.m. -
2 stops26h 25m
Deal found 8/8C$ 474

Find flight deals from Houston to Ontario

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

Round-trip from

C$ 400

One-way from

C$ 230

Popular in

February

Cheapest in

September

Average price

C$ 941
9/9-12/9
  • 9/9-12/9
  • 2 total stops
  • 38h 27m total
  • Houston to Ontario
Search Deals
24/9
  • 24/9
  • 2 total stops
  • 15h 00m total
  • Houston to Ontario
Search Deals
Highest demand for flights based on searches. 2% potential increase in price (C$ 34 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 20 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2026
Search Deals

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 629,999 searches. Data last updated 11 August 2026.
Use the filters below to find and compare flights from Houston to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HoustonToronto

IAH Houston George Bush Intcntl - YTZ Toronto Island

IAHYTZ

Houston George Bush Intcntl

Sat 3/10

4:12 p.m.-12:55 p.m.

1 stop19h 43m

Toronto Island

Wed 14/10

1:45 p.m.-5:47 p.m.

1 stop29h 02m

C$ 519

HoustonToronto

IAH Houston George Bush Intcntl - YTZ Toronto Island

IAHYTZ

Houston George Bush Intcntl

Sat 29/8

12:53 p.m.-1:00 p.m.

1 stop23h 07m

Toronto Island

Wed 2/9

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

2 stops18h 40m

C$ 563

HoustonToronto

IAH Houston George Bush Intcntl - YKF Toronto Region of Waterloo Intl

IAHYKF

Houston George Bush Intcntl

Fri 16/10

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

1 stop12h 20m

Toronto Region of Waterloo Intl

Wed 21/10

8:40 p.m.-10:40 p.m.

1 stop27h 00m

C$ 612

HoustonToronto

IAH Houston George Bush Intcntl - YTZ Toronto Island

IAHYTZ

Houston George Bush Intcntl

Thu 1/10

12:08 p.m.-8:00 a.m.

2 stops18h 52m

Toronto Island

Sun 4/10

9:15 a.m.-8:06 p.m.

1 stop11h 51m

C$ 615

HoustonToronto

IAH Houston George Bush Intcntl - YTZ Toronto Island

IAHYTZ

Houston George Bush Intcntl

Mon 7/9

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

1 stop8h 51m

Toronto Island

Mon 14/9

12:30 p.m.-7:52 p.m.

1 stop8h 22m

C$ 632

HoustonToronto

IAH Houston George Bush Intcntl - YTZ Toronto Island

IAHYTZ

Houston George Bush Intcntl

Fri 16/10

10:00 a.m.-7:50 p.m.

1 stop8h 50m

Toronto Island

Wed 21/10

12:30 p.m.-7:52 p.m.

1 stop8h 22m

C$ 632

HoustonToronto

IAH Houston George Bush Intcntl - YTZ Toronto Island

IAHYTZ

Houston George Bush Intcntl

Wed 14/10

10:00 a.m.-7:50 p.m.

1 stop8h 50m

Toronto Island

Wed 21/10

12:30 p.m.-7:52 p.m.

1 stop8h 22m

C$ 632

HoustonToronto

IAH Houston George Bush Intcntl - YKF Toronto Region of Waterloo Intl

IAHYKF

Houston George Bush Intcntl

Fri 2/10

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

1 stop12h 20m

Toronto Region of Waterloo Intl

Mon 5/10

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

1 stop18h 15m

C$ 668

HoustonToronto

IAH Houston George Bush Intcntl - YTZ Toronto Island

IAHYTZ

Houston George Bush Intcntl

Sun 18/10

10:00 a.m.-5:50 p.m.

1 stop6h 50m

Toronto Island

Mon 26/10

12:30 p.m.-9:39 p.m.

1 stop10h 09m

C$ 674

HoustonToronto

IAH Houston George Bush Intcntl - YTZ Toronto Island

IAHYTZ

Houston George Bush Intcntl

Wed 2/9

10:49 a.m.-5:20 p.m.

2 stops29h 31m

Toronto Island

Mon 7/9

10:10 a.m.-11:56 a.m.

1 stop26h 46m

C$ 693

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/8

Showing 1-10 of 60 resultsSorted by cheapest first
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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, September is the cheapest month in which you can book a flight from Houston to Region of Ontario (average of C$ 756). Flying from Houston to Region of Ontario in February is currently the most expensive (average of C$ 991). 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 11 August 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Houston to Region of Ontario as you normally would.

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

Airfare is below average for this route at the moment.
Houston to Region of Ontario flights typically cost between C$ 760 and C$ 1,222 in September.
The cheapest round-trip price found within the last 5 days was C$ 400 on Multiple Airlines (9 Sep-12 Sep).

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

The best time to book flights from Houston to Region of Ontario is 85 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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 11 August 2026.
Read through reviews of airlines operating flights from Houston to Ontario, such as United Airlines and Air Canada. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
10,104 reviews
Check prices

Crew

8.1

Entertainment

7.1

Overall

7.4

Food

6.7

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
United Airlines
7.4
Good
10,104 reviews
United Airlines
7.4
Good
10,104 reviews
Check prices

Crew

8.1

Entertainment

7.1

Overall

7.4

Food

6.7

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
Air Canada
7.1
Good
11,462 reviews
United Airlines
7.4
Good
10,104 reviews
Check prices

Crew

8.1

Entertainment

7.1

Overall

7.4

Food

6.7

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

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.

  • How long is the flight from Houston to Region of Ontario?

    Airlines like WestJet, Air Canada, and Delta fly from Houston to Region of Ontario in about 7h 26m. The time it takes to get you to your destination can typically vary by up to 4h 54m. The distance between Houston and Region of Ontario is about 2060 km. This flight may include one or multiple stops.

  • 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, September is the cheapest month in which you can book a flight from Houston to Region of Ontario (average of C$ 756). Flying from Houston to Region of Ontario in February is currently the most expensive (average of C$ 991). 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.
Dallas/Fort Worth to Pearson Intl flights
Hobby to Pearson Intl flights
Hobby to Vancouver Intl flights
Dallas/Fort Worth to Pierre Elliott Trudeau Intl flights
George Bush Intcntl to Vancouver Intl flights
George Bush Intcntl to Pearson Intl flights
Hobby to Calgary flights
Dallas/Fort Worth to Vancouver Intl flights
George Bush Intcntl to Calgary flights
Dallas/Fort Worth to Calgary flights
Austin to Vancouver Intl flights
Hobby to Pierre Elliott Trudeau Intl flights
Austin to Pearson Intl flights
George Bush Intcntl to Pierre Elliott Trudeau Intl flights
Dallas/Fort Worth to Toronto Island flights
Austin to Calgary flights
Austin to Pierre Elliott Trudeau Intl flights
Dallas/Fort Worth to Edmonton flights
San Antonio to Pearson Intl flights
San Antonio to Vancouver Intl flights
Love Field to Pearson Intl flights
Hobby to Edmonton flights
Love Field to Pierre Elliott Trudeau Intl flights
George Bush Intcntl to Edmonton flights
Dallas/Fort Worth to Winnipeg flights
Dallas/Fort Worth to Québec City flights
San Antonio to Calgary flights
El Paso to Vancouver Intl flights
Dallas/Fort Worth to Halifax flights
Dallas/Fort Worth to Abbotsford flights
Hobby to Québec City flights
San Antonio to Pierre Elliott Trudeau Intl flights
Austin to Québec City flights
Dallas/Fort Worth to Ottawa flights
Love Field to Calgary flights
Austin to Edmonton flights
Austin to Abbotsford flights
Austin to Ottawa flights
George Bush Intcntl to Ottawa flights
Hobby to Ottawa flights
George Bush Intcntl to Winnipeg flights

Top 2 airlines flying from Houston to Ontario

Discover the top 2 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 629,999 searches. Data last updated 11 August 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 365AverageC$ 478FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapestC$ 379AverageC$ 906FlexibilityNo 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 Houston to Ontario?

When you search for this flight from Houston to Ontario, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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

Cheapflights helps you find that perfect flight to Ontario from Houston by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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

Certainly. Search results for flights to Ontario from Houston shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

Of course! You can now track prices for flights from Houston to Ontario and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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