Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from Houston to Ontario 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 31/3. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — YYZ
16 Apr — 23 Apr1
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 17 March 2026.

Tue 14/46:57 p.m.
IAH
-
YYZ
2 stops24h 13m
Multiple Airlines
Mon 20/45:15 p.m.
YYZ
-
IAH
1 stop16h 08m
Multiple Airlines
Deal found 16/3C$ 407
Sat 11/47:47 a.m.
IAH
-
YYZ
1 stop13h 48m
Multiple Airlines
Wed 15/46:30 a.m.
YYZ
-
IAH
1 stop17h 17m
Multiple Airlines
Deal found 17/3C$ 411
Tue 14/46:14 p.m.
IAH
-
YYZ
2 stops42h 51m
Multiple Airlines
Tue 21/46:30 a.m.
YYZ
-
IAH
1 stop17h 17m
Multiple Airlines
Deal found 17/3C$ 414
Sat 11/47:47 a.m.
IAH
-
YYZ
1 stop13h 48m
Multiple Airlines
Mon 13/43:40 p.m.
YYZ
-
IAH
1 stop18h 00m
Multiple Airlines
Deal found 17/3C$ 418
Tue 7/46:27 p.m.
IAH
-
YYZ
1 stop27h 53m
Multiple Airlines
Thu 9/43:40 p.m.
YYZ
-
IAH
1 stop9h 19m
Multiple Airlines
Deal found 15/3C$ 419
Wed 22/412:16 p.m.
IAH
-
YUL
1 stop25h 54m
Multiple Airlines
Sun 26/48:00 a.m.
YUL
-
IAH
1 stop28h 27m
Multiple Airlines
Deal found 14/3C$ 422
Thu 9/45:15 a.m.
IAH
-
YYZ
2 stops17h 05m
Multiple Airlines
Mon 13/43:40 p.m.
YYZ
-
IAH
1 stop18h 00m
Multiple Airlines
Deal found 17/3C$ 422
Thu 9/411:32 a.m.
IAH
-
YYZ
1 stop10h 48m
Multiple Airlines
Tue 14/43:40 p.m.
YYZ
-
IAH
1 stop9h 19m
Multiple Airlines
Deal found 17/3C$ 423
Thu 16/49:46 a.m.
IAH
-
YYZ
1 stop24h 42m
Multiple Airlines
Wed 22/46:30 a.m.
YYZ
-
IAH
1 stop17h 17m
Multiple Airlines
Deal found 16/3C$ 424
Fri 10/411:42 a.m.
IAH
-
YYZ
2 stops33h 53m
Multiple Airlines
Tue 14/43:40 p.m.
YYZ
-
IAH
1 stop9h 19m
Multiple Airlines
Deal found 17/3C$ 426
Thu 16/42:29 p.m.
IAH
-
YTZ
1 stop27h 18m
Multiple Airlines
Wed 22/49:25 a.m.
YTZ
-
IAH
1 stop12h 45m
Multiple Airlines
Deal found 16/3C$ 429
Mon 27/412:16 p.m.
IAH
-
YYZ
1 stop24h 49m
Multiple Airlines
Mon 4/57:10 a.m.
YYZ
-
IAH
1 stop26h 40m
Multiple Airlines
Deal found 13/3C$ 430

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 17 March 2026.

Round-trip from

C$ 407

One-way from

C$ 186

Popular in

March

Cheapest in

September

Average price

C$ 1,011
14/4-20/4
  • 14/4-20/4
  • 3 total stops
  • 40h 21m total
  • Houston to Ontario
Search Deals
31/3
  • 31/3
  • 2 total stops
  • 20h 10m total
  • Houston to Ontario
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (C$ 83 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 March 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 17 March 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 - YTZ

IAHYTZ

Houston George Bush Intcntl

Wed 1/4

6:46 a.m.-8:03 p.m.

2 stops12h 17m

Toronto Island

Tue 7/4

6:15 p.m.-3:02 p.m.

1 stop21h 47m

C$ 449

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Sat 4/4

11:16 a.m.-11:58 p.m.

1 stop11h 42m

Ottawa

Wed 8/4

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

1 stop11h 32m

C$ 456

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Fri 3/4

9:05 p.m.-11:58 p.m.

1 stop25h 53m

Ottawa

Wed 8/4

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

1 stop11h 32m

C$ 466

HoustonHamilton

IAH - YHM

IAHYHM

Houston George Bush Intcntl

Mon 13/4

4:22 p.m.-2:20 p.m.

2 stops20h 58m

Hamilton

Mon 20/4

7:25 a.m.-11:27 a.m.

1 stop29h 02m

C$ 545

HoustonMontreal

IAH - YUL

IAHYUL

Houston George Bush Intcntl

Thu 30/4

9:46 a.m.-12:45 a.m.

1 stop13h 59m

Montreal Pierre Elliott Trudeau Intl

Thu 7/5

6:45 a.m.-3:03 p.m.

2 stops33h 18m

C$ 560

HoustonToronto

IAH - YTZ

IAHYTZ

Houston George Bush Intcntl

Sun 29/3

5:15 a.m.-10:35 a.m.

2 stops28h 20m

Toronto Island

Fri 10/4

6:15 p.m.-3:27 p.m.

1 stop22h 12m

C$ 570

HoustonToronto

IAH - YTZ

IAHYTZ

Houston George Bush Intcntl

Tue 31/3

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

1 stop10h 50m

Toronto Island

Sun 5/4

8:40 a.m.-3:27 p.m.

1 stop7h 47m

C$ 618

HoustonToronto

IAH - YTZ

IAHYTZ

Houston George Bush Intcntl

Fri 10/4

4:22 p.m.-8:54 a.m.

2 stops15h 32m

Toronto Island

Sun 12/4

2:05 p.m.-8:40 a.m.

2 stops19h 35m

C$ 638

HoustonToronto

IAH - YTZ

IAHYTZ

Houston George Bush Intcntl

Tue 31/3

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

1 stop10h 50m

Toronto Island

Thu 2/4

7:45 a.m.-3:27 p.m.

1 stop8h 42m

C$ 656

HoustonMontreal

IAH - YUL

IAHYUL

Houston George Bush Intcntl

Fri 1/5

2:50 p.m.-7:05 a.m.

1 stop15h 15m

Montreal Pierre Elliott Trudeau Intl

Wed 6/5

8:00 p.m.-1:55 p.m.

1 stop18h 55m

C$ 674

Flights are sorted by cheapest round-trip flights first.

Deals found on 15/3

Showing 1-10 of 60 resultsSorted by cheapest first
1
2
3
...
6

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$ 162). Flying from Houston to Region of Ontario in March is currently the most expensive (average of C$ 431). 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 17 March 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 17 March 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
9,435 reviews
Check prices

Entertainment

7.1

Food

6.6

Comfort

7.3

Crew

8.1

Boarding

7.7

Overall

7.4

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
9,435 reviews
United Airlines
7.4
Good
9,435 reviews
Check prices

Entertainment

7.1

Food

6.6

Comfort

7.3

Crew

8.1

Boarding

7.7

Overall

7.4

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
10,813 reviews
United Airlines
7.4
Good
9,435 reviews
Check prices

Entertainment

7.1

Food

6.6

Comfort

7.3

Crew

8.1

Boarding

7.7

Overall

7.4

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, Delta, and United Airlines fly from Houston to Region of Ontario in about 5h 50m. The time it takes to get you to your destination can typically vary by up to 9h 25m. 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, November is the cheapest month in which you can book a flight from Houston to Region of Ontario (average of C$ 162). Flying from Houston to Region of Ontario in March is currently the most expensive (average of C$ 431). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 Pierre Elliott Trudeau Intl flights
Dallas/Fort Worth to Pearson Intl flights
George Bush Intcntl to Vancouver Intl flights
Hobby to Calgary flights
Hobby to Pearson Intl flights
Dallas/Fort Worth to Vancouver Intl flights
George Bush Intcntl to Calgary flights
George Bush Intcntl to Pearson Intl flights
Dallas/Fort Worth to Calgary flights
Austin to Vancouver Intl flights
Hobby to Pierre Elliott Trudeau Intl flights
George Bush Intcntl to Pierre Elliott Trudeau Intl flights
Austin to Pearson Intl flights
Austin to Calgary flights
Austin to Pierre Elliott Trudeau Intl flights
Dallas/Fort Worth to Toronto Island 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 Abbotsford flights
Dallas/Fort Worth to Edmonton flights
El Paso to Vancouver Intl flights
Love Field to Pierre Elliott Trudeau Intl flights
San Antonio to Calgary flights
George Bush Intcntl to Hamilton flights
Hobby to Ottawa flights
Dallas/Fort Worth to Québec City flights
Dallas/Fort Worth to Halifax flights
San Antonio to Pierre Elliott Trudeau Intl flights
George Bush Intcntl to Ottawa flights
George Bush Intcntl to St. John's flights
Austin to Ottawa flights
Austin to Abbotsford flights
Dallas/Fort Worth to Ottawa flights
George Bush Intcntl to Halifax flights
San Antonio to Pearson Intl flights
Dallas/Fort Worth to Hamilton flights
Dallas/Fort Worth to Winnipeg flights
Hobby to Winnipeg flights
El Paso to Pearson Intl flights
Love Field to Vancouver Intl flights
Love Field to Calgary flights
Austin to Québec City flights
Austin to Winnipeg flights
Dallas/Fort Worth to Kelowna 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 17 March 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 318AverageC$ 831FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapestC$ 358AverageC$ 802FlexibilityNo 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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.