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Cheap flights from Houston to Ontario from C$ 275

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 16/9. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — YYZ
16 Jul — 23 Jul1
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 16 June 2026.

Tue 18/87:04 p.m.
IAH
-
YYZ
1 stop24h 01m
Multiple Airlines
Tue 25/86:30 a.m.
YYZ
-
IAH
1 stop9h 21m
Multiple Airlines
Deal found 14/6C$ 467
Tue 21/77:23 p.m.
IAH
-
YYZ
1 stop23h 42m
Multiple Airlines
Tue 25/86:30 a.m.
YYZ
-
IAH
1 stop9h 21m
Multiple Airlines
Deal found 14/6C$ 474
Tue 22/96:42 p.m.
IAH
-
YTZ
1 stop13h 58m
Multiple Airlines
Tue 29/910:05 a.m.
YTZ
-
IAH
1 stop8h 42m
Multiple Airlines
Deal found 13/6C$ 481
Tue 4/87:23 p.m.
IAH
-
YYZ
1 stop23h 42m
Multiple Airlines
Mon 10/89:30 a.m.
YYZ
-
IAH
1 stop30h 35m
Multiple Airlines
Deal found 14/6C$ 491
Fri 11/96:42 p.m.
IAH
-
YTZ
1 stop13h 58m
Multiple Airlines
Tue 15/98:40 p.m.
YTZ
-
IAH
1 stop22h 07m
Multiple Airlines
Deal found 12/6C$ 492
Sat 19/96:42 p.m.
IAH
-
YTZ
1 stop18h 43m
Multiple Airlines
Wed 30/910:05 a.m.
YTZ
-
IAH
1 stop8h 42m
Multiple Airlines
Deal found 13/6C$ 493
Tue 21/77:23 p.m.
IAH
-
YYZ
1 stop23h 42m
Multiple Airlines
Tue 28/79:30 a.m.
YYZ
-
IAH
1 stop30h 20m
Multiple Airlines
Deal found 13/6C$ 493
Wed 5/87:23 p.m.
IAH
-
YYZ
1 stop18h 07m
Multiple Airlines
Mon 10/89:30 a.m.
YYZ
-
IAH
1 stop30h 35m
Multiple Airlines
Deal found 16/6C$ 495
Mon 20/78:20 a.m.
IAH
-
YYZ
1 stop28h 45m
Multiple Airlines
Tue 28/710:50 a.m.
YYZ
-
IAH
2 stops26h 32m
Multiple Airlines
Deal found 14/6C$ 496
Mon 10/89:42 p.m.
IAH
-
YTZ
1 stop19h 13m
Multiple Airlines
Wed 19/88:50 a.m.
YTZ
-
IAH
1 stop13h 07m
Multiple Airlines
Deal found 16/6C$ 499
Mon 21/96:42 p.m.
IAH
-
YTZ
1 stop13h 58m
Multiple Airlines
Sat 26/910:05 a.m.
YTZ
-
IAH
1 stop8h 42m
Multiple Airlines
Deal found 13/6C$ 505
Wed 29/79:58 p.m.
IAH
-
YTZ
1 stop19h 02m
Multiple Airlines
Tue 4/89:15 a.m.
YTZ
-
IAH
2 stops23h 05m
Multiple Airlines
Deal found 11/6C$ 506

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 16 June 2026.

Round-trip from

C$ 467

One-way from

C$ 275

Popular in

February

Cheapest in

September

Average price

C$ 886
18/8-25/8
  • 18/8-25/8
  • 2 total stops
  • 33h 22m total
  • Houston to Ontario
Search Deals
16/9
  • 16/9
  • 2 total stops
  • 24h 28m total
  • Houston to Ontario
Search Deals
High demand for flights, 0% potential price rise
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 13 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 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 16 June 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

Mon 13/7

9:58 p.m.-1:05 p.m.

1 stop14h 07m

Toronto Island

Fri 24/7

8:50 a.m.-9:03 p.m.

1 stop13h 13m

C$ 612

HoustonMontreal

IAH - YUL

IAHYUL

Houston George Bush Intcntl

Tue 1/9

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

1 stop13h 04m

Montreal Pierre Elliott Trudeau Intl

Tue 8/9

7:43 p.m.-1:41 p.m.

1 stop18h 58m

C$ 727

HoustonToronto

IAH - YTZ

IAHYTZ

Houston George Bush Intcntl

Fri 3/7

9:58 p.m.-1:05 p.m.

1 stop14h 07m

Toronto Island

Thu 9/7

8:50 a.m.-9:03 p.m.

1 stop13h 13m

C$ 732

HoustonToronto

IAH - YTZ

IAHYTZ

Houston George Bush Intcntl

Fri 3/7

9:58 p.m.-1:05 p.m.

1 stop14h 07m

Toronto Island

Tue 7/7

8:50 a.m.-9:03 p.m.

1 stop13h 13m

C$ 763

HoustonMontreal

IAH - YUL

IAHYUL

Houston George Bush Intcntl

Tue 28/7

10:50 a.m.-8:39 a.m.

1 stop20h 49m

Montreal Pierre Elliott Trudeau Intl

Tue 11/8

2:29 p.m.-9:44 a.m.

1 stop20h 15m

C$ 766

HoustonToronto

HOU - YYZ

HOUYYZ

Houston Hobby

Wed 4/11

10:05 a.m.-10:51 p.m.

2 stops11h 46m

Toronto Pearson Intl

Sat 7/11

7:45 a.m.-12:14 p.m.

1 stop5h 29m

C$ 769
Quickest round-trip

HoustonToronto

IAH - YYZ

IAHYYZ

Houston George Bush Intcntl

Mon 14/9

10:04 a.m.-2:24 p.m.

Nonstop3h 20m

Toronto Pearson Intl

Tue 22/9

8:35 a.m.-11:07 a.m.

Nonstop3h 32m

C$ 820

HoustonToronto

IAH - YYZ

IAHYYZ

Houston George Bush Intcntl

Fri 2/10

6:16 p.m.-10:36 p.m.

Nonstop3h 20m

Toronto Pearson Intl

Fri 9/10

8:35 a.m.-11:07 a.m.

Nonstop3h 32m

C$ 820

HoustonToronto

IAH - YKF

IAHYKF

Houston George Bush Intcntl

Fri 2/10

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

1 stop12h 20m

Toronto Region of Waterloo Intl

Fri 9/10

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

1 stop18h 15m

C$ 855

HoustonMontreal

IAH - YUL

IAHYUL

Houston George Bush Intcntl

Sat 5/9

2:37 p.m.-11:52 p.m.

1 stop8h 15m

Montreal Pierre Elliott Trudeau Intl

Thu 10/9

9:30 a.m.-9:19 p.m.

1 stop12h 49m

C$ 857

Flights are sorted by cheapest round-trip flights first.

Deals found on 15/6

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, November is the cheapest month in which you can book a flight from Houston to Region of Ontario (average of C$ 106). Flying from Houston to Region of Ontario in October is currently the most expensive (average of C$ 372). 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 16 June 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?

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 88 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 16 June 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
9,842 reviews
Check prices

Entertainment

7.1

Overall

7.4

Comfort

7.3

Crew

8.1

Food

6.6

Boarding

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.
United Airlines
7.4
Good
9,842 reviews
United Airlines
7.4
Good
9,842 reviews
Check prices

Entertainment

7.1

Overall

7.4

Comfort

7.3

Crew

8.1

Food

6.6

Boarding

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.
Air Canada
7.1
Good
11,197 reviews
United Airlines
7.4
Good
9,842 reviews
Check prices

Entertainment

7.1

Overall

7.4

Comfort

7.3

Crew

8.1

Food

6.6

Boarding

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.

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 Delta, WestJet, and United Airlines fly from Houston to Region of Ontario in about 3h 19m. The time it takes to get you to your destination can typically vary by up to 9h 45m. 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 George Bush Intcntl - Toronto Island 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$ 106). Flying from Houston to Region of Ontario in October is currently the most expensive (average of C$ 372). 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
George Bush Intcntl to Pearson Intl flights
George Bush Intcntl to Vancouver Intl flights
Hobby to Calgary flights
George Bush Intcntl to Calgary flights
Dallas/Fort Worth to Pierre Elliott Trudeau Intl flights
Dallas/Fort Worth to Vancouver Intl flights
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Love Field to Pearson Intl flights
Hobby to Edmonton flights
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Dallas/Fort Worth to Halifax flights
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Dallas/Fort Worth to Abbotsford flights
Austin to Abbotsford flights
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Dallas/Fort Worth to Saskatoon flights
Dallas/Fort Worth to Winnipeg flights
Austin to Québec City flights
Hobby to Ottawa flights
George Bush Intcntl to Ottawa flights
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Austin to Ottawa flights
Dallas/Fort Worth to Québec City flights
George Bush Intcntl to Halifax flights
Austin to Halifax flights
Hobby to Winnipeg flights
San Antonio to Pierre Elliott Trudeau Intl flights
Austin to Winnipeg flights
Austin to Victoria 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 16 June 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 325AverageC$ 874FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapestC$ 366AverageC$ 479FlexibilityNo 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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