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Cheap flights from Houston to Ontario from C$ 157

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 5/2. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — YYZ
27 Feb — 6 Mar1
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 28 January 2026.

Sun 8/28:18 p.m.
IAH
-
YYZ
1 stop16h 50m
Multiple Airlines
Tue 7/43:40 p.m.
YYZ
-
IAH
1 stop9h 19m
Multiple Airlines
Deal found 26/1C$ 321
Fri 6/28:18 p.m.
IAH
-
YYZ
1 stop17h 02m
Multiple Airlines
Wed 8/43:40 p.m.
YYZ
-
IAH
1 stop9h 19m
Multiple Airlines
Deal found 26/1C$ 323
Wed 4/28:45 a.m.
IAH
-
YYZ
1 stop28h 35m
Multiple Airlines
Fri 10/47:15 a.m.
YYZ
-
IAH
2 stops24h 47m
Multiple Airlines
Deal found 26/1C$ 325
Wed 8/45:52 p.m.
IAH
-
YYZ
1 stop28h 28m
Multiple Airlines
Sat 11/42:20 p.m.
YYZ
-
IAH
1 stop21h 36m
Multiple Airlines
Deal found 25/1C$ 327
Wed 22/45:45 a.m.
IAH
-
YYZ
1 stop7h 20m
Multiple Airlines
Mon 27/46:30 a.m.
YYZ
-
IAH
1 stop15h 08m
Multiple Airlines
Deal found 26/1C$ 328
Sun 8/28:18 p.m.
IAH
-
YYZ
1 stop16h 50m
Multiple Airlines
Fri 10/42:20 p.m.
YYZ
-
IAH
1 stop25h 54m
Multiple Airlines
Deal found 26/1C$ 331
Thu 26/22:41 p.m.
IAH
-
YYZ
1 stop30h 34m
Multiple Airlines
Mon 2/37:15 a.m.
YYZ
-
IAH
1 stop28h 56m
Multiple Airlines
Deal found 27/1C$ 339
Fri 6/28:18 p.m.
IAH
-
YYZ
1 stop17h 02m
Multiple Airlines
Fri 10/48:20 p.m.
YYZ
-
IAH
1 stop11h 42m
Multiple Airlines
Deal found 26/1C$ 340
Thu 9/411:32 a.m.
IAH
-
YYZ
1 stop10h 48m
Multiple Airlines
Sat 11/47:15 a.m.
YYZ
-
IAH
2 stops28h 41m
Multiple Airlines
Deal found 25/1C$ 347
Thu 9/411:32 a.m.
IAH
-
YYZ
1 stop10h 48m
Multiple Airlines
Fri 10/42:20 p.m.
YYZ
-
IAH
1 stop25h 54m
Multiple Airlines
Deal found 25/1C$ 349
Wed 25/35:52 p.m.
IAH
-
YUL
1 stop21h 28m
Multiple Airlines
Mon 30/38:00 a.m.
YUL
-
IAH
1 stop25h 40m
Multiple Airlines
Deal found 27/1C$ 350
Thu 26/29:40 p.m.
IAH
-
YYZ
1 stop15h 36m
Multiple Airlines
Thu 5/33:40 p.m.
YYZ
-
IAH
1 stop25h 16m
Multiple Airlines
Deal found 27/1C$ 350

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 28 January 2026.

Round-trip from

C$ 321

One-way from

C$ 157

Popular in

December

Cheapest in

February

Average price

C$ 873
8/2-7/4
  • 8/2-7/4
  • 2 total stops
  • 26h 09m total
  • Houston to Ontario
Search Deals
5/2
  • 5/2
  • 1 total stop
  • 17h 16m total
  • Houston to Ontario
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (C$ 147 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 19 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 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 28 January 2026.
Use the filters below to find and compare flights from Houston to Ontario that are best for you.

Fly from

Houston

Fly to

Ontario

Route

Depart

Return

Price

HoustonToronto

IAH - YTZ

IAHYTZ

Houston George Bush Intcntl

Fri 27/2

6:51 p.m.-3:32 p.m.

1 stop19h 41m

Toronto Island

Thu 5/3

12:00 p.m.-7:29 a.m.

2 stops20h 29m

C$ 370

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Wed 4/3

9:16 a.m.-12:25 a.m.

2 stops14h 09m

Ottawa

Fri 6/3

4:20 p.m.-7:29 a.m.

1 stop16h 09m

C$ 391

HoustonToronto

IAH - YYZ

IAHYYZ

Houston George Bush Intcntl

Wed 8/4

11:19 a.m.-11:20 p.m.

1 stop11h 01m

Toronto Pearson Intl

Fri 10/4

8:00 p.m.-5:51 a.m.

1 stop10h 51m

C$ 392

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Thu 12/3

9:36 a.m.-12:25 a.m.

1 stop13h 49m

Ottawa

Wed 18/3

4:15 p.m.-11:59 p.m.

1 stop8h 44m

C$ 396

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Tue 3/3

7:38 p.m.-3:04 p.m.

2 stops18h 26m

Ottawa

Thu 5/3

7:00 a.m.-9:16 p.m.

1 stop15h 16m

C$ 406

HoustonToronto

IAH - YTZ

IAHYTZ

Houston George Bush Intcntl

Fri 27/2

6:51 p.m.-3:32 p.m.

1 stop19h 41m

Toronto Island

Sat 7/3

11:00 a.m.-10:44 p.m.

1 stop12h 44m

C$ 410

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Sat 7/2

4:35 p.m.-12:25 a.m.

1 stop30h 50m

Ottawa

Sat 7/3

7:00 a.m.-3:56 p.m.

1 stop9h 56m

C$ 424

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Tue 3/3

7:38 p.m.-3:04 p.m.

2 stops18h 26m

Ottawa

Fri 6/3

4:20 p.m.-7:29 a.m.

1 stop16h 09m

C$ 426

HoustonHamilton

IAH - YHM

IAHYHM

Houston George Bush Intcntl

Fri 8/5

6:30 a.m.-5:15 p.m.

1 stop9h 45m

Hamilton

Mon 11/5

6:10 p.m.-1:55 p.m.

1 stop20h 45m

C$ 428

HoustonToronto

IAH - YTZ

IAHYTZ

Houston George Bush Intcntl

Thu 26/2

7:38 p.m.-10:35 a.m.

1 stop13h 57m

Toronto Island

Mon 2/3

8:55 a.m.-10:44 p.m.

1 stop14h 49m

C$ 437

Flights are sorted by cheapest round-trip flights first.

Deals found on 27/1

Showing 1-10 of 60 results
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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, November is the cheapest month in which you can book a flight from Houston to Region of Ontario (average of C$ 161). Flying from Houston to Region of Ontario in September is currently the most expensive (average of C$ 380). 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 28 January 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?

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 28 January 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
9,212 reviews
Check prices

Boarding

7.7

Entertainment

7.1

Food

6.6

Overall

7.4

Crew

8.1

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.
United Airlines
7.4
Good
9,212 reviews
United Airlines
7.4
Good
9,212 reviews
Check prices

Boarding

7.7

Entertainment

7.1

Food

6.6

Overall

7.4

Crew

8.1

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.
Air Canada
7.1
Good
10,666 reviews
United Airlines
7.4
Good
9,212 reviews
Check prices

Boarding

7.7

Entertainment

7.1

Food

6.6

Overall

7.4

Crew

8.1

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.

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, Alaska Airlines, and United Airlines fly from Houston to Region of Ontario in about 9h 45m. The time it takes to get you to your destination can typically vary by up to 11h 17m. The distance between Houston and Region of Ontario is about 2004 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, November is the cheapest month in which you can book a flight from Houston to Region of Ontario (average of C$ 161). Flying from Houston to Region of Ontario in September is currently the most expensive (average of C$ 380). 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.
Hobby to Vancouver Intl flights
Dallas/Fort Worth to Pearson Intl flights
Dallas/Fort Worth to Vancouver Intl flights
George Bush Intcntl to Vancouver Intl flights
Hobby to Pearson Intl flights
Hobby to Calgary flights
George Bush Intcntl to Calgary flights
George Bush Intcntl to Pearson Intl flights
Austin to Vancouver Intl flights
Dallas/Fort Worth to Calgary flights
Dallas/Fort Worth to Pierre Elliott Trudeau 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
San Antonio to Vancouver Intl flights
Hobby to Edmonton flights
George Bush Intcntl to Edmonton flights
Love Field to Pearson Intl flights
Dallas/Fort Worth to Edmonton flights
Dallas/Fort Worth to Abbotsford flights
El Paso to Vancouver Intl flights
Love Field to Pierre Elliott Trudeau Intl flights
San Antonio to Pierre Elliott Trudeau Intl flights
George Bush Intcntl to Ottawa flights
San Antonio to Pearson Intl flights
Dallas/Fort Worth to Kelowna flights
Austin to Halifax flights
Dallas/Fort Worth to Québec City flights
San Antonio to Calgary flights
Dallas/Fort Worth to Halifax flights
Dallas/Fort Worth to Ottawa flights
Harlingen to Pierre Elliott Trudeau Intl flights
Hobby to Ottawa flights
Hobby to Québec City flights
George Bush Intcntl to Halifax flights
McAllen to Pierre Elliott Trudeau Intl flights
Love Field to Calgary flights
Dallas/Fort Worth to Winnipeg flights
Austin to Victoria flights
Midland to Vancouver Intl flights
Austin to Winnipeg flights
Austin to Edmonton 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 28 January 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 318AverageC$ 778FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapestC$ 345AverageC$ 411FlexibilityNo 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 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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