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Cheap flights from Houston to Ontario from C$ 148

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 10/12. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — YYZ
29 Nov — 6 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Houston to Ontario

Keep the following information in mind while searching for Houston to Ontario flight deals. Data was last updated 30 October 2025.

Round-trip from

C$ 395

One-way from

C$ 148

Popular in

March

Cheapest in

February

Average price

C$ 846
8/1-11/1
  • 8/1-11/1
  • 5 total stops
  • 39h 11m total
  • Houston to Ontario
Search Deals
10/12
  • 10/12
  • 1 total stop
  • 20h 06m total
  • Houston to Ontario
Search Deals
High demand for flights, 10% potential price rise
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 17 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
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Find 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 30 October 2025.

Fri 28/118:29 a.m.IAH - YTZ
2 stops12h 34mMultiple Airlines
Thu 4/123:45 p.m.YTZ - IAH
1 stop8h 23mMultiple Airlines
Deal found 29/10C$ 409
Sat 6/128:07 p.m.IAH - YYZ
1 stop17h 06mMultiple Airlines
Sat 13/123:25 p.m.YYZ - IAH
1 stop8h 18mMultiple Airlines
Deal found 30/10C$ 409
Thu 4/127:25 p.m.IAH - YUL
2 stops20h 30mMultiple Airlines
Mon 8/128:00 a.m.YUL - IAH
1 stop26h 18mMultiple Airlines
Deal found 28/10C$ 411
Fri 5/1212:50 p.m.IAH - YYZ
1 stop7h 29mMultiple Airlines
Tue 9/127:15 a.m.YYZ - IAH
1 stop13h 00mMultiple Airlines
Deal found 30/10C$ 411
Sat 29/118:35 p.m.IAH - YYZ
1 stop14h 08mMultiple Airlines
Fri 5/1212:50 p.m.YYZ - IAH
1 stop30h 39mMultiple Airlines
Deal found 30/10C$ 412
Mon 1/123:45 p.m.IAH - YYZ
1 stop7h 26mMultiple Airlines
Thu 11/127:45 a.m.YYZ - IAH
1 stop10h 44mMultiple Airlines
Deal found 30/10C$ 413
Tue 2/125:34 a.m.IAH - YYZ
1 stop12h 28mMultiple Airlines
Thu 11/127:45 a.m.YYZ - IAH
1 stop10h 44mMultiple Airlines
Deal found 30/10C$ 415
Thu 27/119:27 p.m.IAH - YYZ
2 stops34h 11mMultiple Airlines
Thu 4/126:30 a.m.YYZ - IAH
1 stop11h 59mMultiple Airlines
Deal found 29/10C$ 416
Mon 1/123:45 p.m.IAH - YYZ
1 stop7h 26mMultiple Airlines
Mon 8/128:30 p.m.YYZ - IAH
1 stop13h 48mMultiple Airlines
Deal found 30/10C$ 418
Thu 4/126:20 p.m.IAH - YYZ
1 stop10h 53mMultiple Airlines
Sat 13/128:20 p.m.YYZ - IAH
1 stop11h 46mMultiple Airlines
Deal found 30/10C$ 419
Thu 13/113:21 p.m.IAH - YYZ
2 stops28h 46mMultiple Airlines
Mon 17/117:00 a.m.YYZ - IAH
1 stop11h 26mMultiple Airlines
Deal found 29/10C$ 422
Wed 26/118:35 p.m.IAH - YYZ
1 stop26h 36mMultiple Airlines
Sun 30/118:00 p.m.YYZ - IAH
1 stop27h 00mMultiple Airlines
Deal found 28/10C$ 424

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 30 October 2025.
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 - YYZ

IAHYYZ

Houston George Bush Intcntl

Wed 3/12

8:54 p.m.-2:40 p.m.

1 stop16h 46m

Toronto Pearson Intl

Sat 13/12

3:25 p.m.-8:25 a.m.

2 stops18h 00m

C$ 434

HoustonToronto

IAH - YYZ

IAHYYZ

Houston George Bush Intcntl

Fri 14/11

5:27 p.m.-2:40 p.m.

1 stop20h 13m

Toronto Pearson Intl

Mon 17/11

12:50 p.m.-9:33 a.m.

1 stop21h 43m

C$ 438

HoustonToronto

IAH - YYZ

IAHYYZ

Houston George Bush Intcntl

Sat 29/11

8:35 p.m.-11:43 a.m.

1 stop14h 08m

Toronto Pearson Intl

Sat 6/12

2:20 p.m.-12:57 a.m.

2 stops11h 37m

C$ 455

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Tue 16/12

7:25 p.m.-5:13 p.m.

2 stops20h 48m

Ottawa

Fri 2/1

9:30 a.m.-6:31 p.m.

1 stop10h 01m

C$ 485

HoustonMontreal

IAH - YUL

IAHYUL

Houston George Bush Intcntl

Thu 27/11

6:09 p.m.-4:55 p.m.

2 stops21h 46m

Montreal Pierre Elliott Trudeau Intl

Thu 4/12

5:25 p.m.-9:18 a.m.

2 stops16h 53m

C$ 487

HoustonToronto

IAH - YTZ

IAHYTZ

Houston George Bush Intcntl

Tue 18/11

5:14 a.m.-6:55 p.m.

1 stop12h 41m

Toronto Island

Thu 20/11

9:15 a.m.-7:00 p.m.

1 stop10h 45m

C$ 487

HoustonMontreal

IAH - YUL

IAHYUL

Houston George Bush Intcntl

Thu 27/11

6:09 p.m.-4:55 p.m.

2 stops21h 46m

Montreal Pierre Elliott Trudeau Intl

Tue 2/12

6:45 a.m.-5:16 p.m.

2 stops11h 31m

C$ 490

HoustonHamilton

IAH - YHM

IAHYHM

Houston George Bush Intcntl

Thu 15/1

6:20 p.m.-1:22 p.m.

1 stop18h 02m

Hamilton

Mon 19/1

6:10 p.m.-5:29 p.m.

1 stop24h 19m

C$ 496

HoustonHamilton

IAH - YHM

IAHYHM

Houston George Bush Intcntl

Wed 14/1

6:20 p.m.-5:17 p.m.

1 stop21h 57m

Hamilton

Mon 19/1

6:10 p.m.-5:29 p.m.

1 stop24h 19m

C$ 496

HoustonHamilton

IAH - YHM

IAHYHM

Houston George Bush Intcntl

Thu 29/1

6:20 p.m.-1:22 p.m.

1 stop18h 02m

Hamilton

Sun 8/2

6:10 p.m.-12:45 p.m.

1 stop19h 35m

C$ 496

Flights are sorted by cheapest round-trip flights first.

Deals found on 30/10

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$ 299). Flying from Houston to Region of Ontario in September is currently the most expensive (average of C$ 383). 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 30 October 2025.

It’s typically best to fly out from Houston to Region of Ontario in the evening. Doing so could potentially save you 67% on the flight price compared to flying in the morning, which is usually more expensive.

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 30 October 2025.
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
8,998 reviews
Check prices

Overall

7.4

Boarding

7.7

Comfort

7.3

Crew

8.1

Food

6.6

Entertainment

7.1

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
8,998 reviews
United Airlines
7.4
Good
8,998 reviews
Check prices

Overall

7.4

Boarding

7.7

Comfort

7.3

Crew

8.1

Food

6.6

Entertainment

7.1

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
10,381 reviews
United Airlines
7.4
Good
8,998 reviews
Check prices

Overall

7.4

Boarding

7.7

Comfort

7.3

Crew

8.1

Food

6.6

Entertainment

7.1

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, American Airlines, and Delta fly from Houston to Region of Ontario in about 5h 19m. The time it takes to get you to your destination can typically vary by up to 12h 43m. The distance between Houston and Region of Ontario is about 2086 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$ 299). Flying from Houston to Region of Ontario in September is currently the most expensive (average of C$ 383). 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.
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Hobby to Vancouver Intl flights
George Bush Intcntl to Vancouver Intl flights
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George Bush Intcntl to Edmonton flights
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Hobby to Ottawa flights
George Bush Intcntl to Ottawa flights
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George Bush Intcntl to St. John's flights
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Dallas/Fort Worth to Regina flights
Austin to Ottawa flights
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Dallas/Fort Worth to Halifax flights
Harlingen to Pierre Elliott Trudeau Intl flights
San Antonio to Pierre Elliott Trudeau Intl 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 30 October 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 308AverageC$ 801FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapestC$ 353AverageC$ 1,043FlexibilityNo 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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