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$100+ Cheap flights from Houston to Ontario

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 1/13. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — YYZ
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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Cheap flight deals from Houston to Ontario

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 December 12, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/168:07 pmIAH - YYZ
1 stop17h 13mMultiple Airlines
Thu 1/87:55 pmYYZ - IAH
1 stop23h 51mMultiple Airlines
Deal found 12/10$308
This Kiwi.com deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/285:54 amIAH - YYZ
1 stop15h 18mMultiple Airlines
Thu 1/157:10 amYYZ - IAH
1 stop13h 14mMultiple Airlines
Deal found 12/10$309
This Kiwi.com deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1810:08 amIAH - YYZ
1 stop12h 12mMultiple Airlines
Tue 1/68:30 pmYYZ - IAH
1 stop13h 33mMultiple Airlines
Deal found 12/10$316
This Kiwi.com deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/285:54 amIAH - YYZ
1 stop15h 18mMultiple Airlines
Wed 1/143:40 pmYYZ - IAH
1 stop22h 40mMultiple Airlines
Deal found 12/10$319
This Kiwi.com deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/148:07 pmIAH - YYZ
1 stop27h 04mMultiple Airlines
Tue 12/168:30 pmYYZ - IAH
1 stop13h 48mMultiple Airlines
Deal found 12/10$320
This Kiwi.com deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/176:14 amIAH - YYZ
1 stop7h 39mMultiple Airlines
Tue 1/68:30 pmYYZ - IAH
1 stop13h 33mMultiple Airlines
Deal found 12/10$321
This Kiwi.com deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/285:54 amIAH - YYZ
1 stop15h 18mMultiple Airlines
Fri 1/167:10 amYYZ - IAH
1 stop8h 47mMultiple Airlines
Deal found 12/10$324
This Kiwi.com deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/178:23 pmIAH - YYZ
1 stop16h 57mMultiple Airlines
Fri 1/97:10 amYYZ - IAH
1 stop7h 43mMultiple Airlines
Deal found 12/10$325
This Kiwi.com deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1810:08 amIAH - YYZ
1 stop12h 12mMultiple Airlines
Fri 1/97:10 amYYZ - IAH
1 stop7h 43mMultiple Airlines
Deal found 12/10$327
This Kiwi.com deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1810:08 amIAH - YYZ
1 stop12h 12mMultiple Airlines
Sun 1/118:30 pmYYZ - IAH
1 stop13h 10mMultiple Airlines
Deal found 12/10$328
This Kiwi.com deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1810:08 amIAH - YYZ
1 stop12h 12mMultiple Airlines
Thu 1/87:10 amYYZ - IAH
1 stop13h 14mMultiple Airlines
Deal found 12/10$329
This Kiwi.com deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/315:54 amIAH - YUL
1 stop8h 16mMultiple Airlines
Mon 1/128:00 amYUL - IAH
1 stop25h 40mMultiple Airlines
Deal found 12/11$401

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 December 12, 2025.

Round-trip from

$278
(Kiwi.com)

One-way from

$100
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$660
From Houston to Ontario
Search Deals
One-way flight from Houston to Ontario
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($68 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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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 2,558,603 searches. Data last updated December 12, 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

HoustonMontreal

IAH - YUL

IAHYUL

Houston George Bush Intcntl

Thu 1/15

4:35 pm-4:22 pm

1 stop22h 47m

Montreal Pierre Elliott Trudeau Intl

Tue 2/17

8:00 am-8:45 am

1 stop25h 45m

$278

HoustonToronto

IAH - YYZ

IAHYYZ

Houston George Bush Intcntl

Fri 1/23

5:05 am-8:11 pm

3 stops14h 06m

Toronto Pearson Intl

Sun 1/25

12:15 pm-8:23 pm

3 stops33h 08m

$304

HoustonToronto

IAH - YTZ

IAHYTZ

Houston George Bush Intcntl

Tue 2/24

11:49 am-1:47 pm

1 stop24h 58m

Toronto Island

Mon 3/2

7:45 am-3:44 pm

1 stop8h 59m

$313

HoustonToronto

IAH - YTZ

IAHYTZ

Houston George Bush Intcntl

Thu 1/15

6:25 am-4:25 pm

1 stop9h 00m

Toronto Island

Tue 1/20

7:00 am-9:57 pm

2 stops15h 57m

$313

HoustonToronto

IAH - YKF

IAHYKF

Houston George Bush Intcntl

Fri 2/13

6:20 pm-5:29 am

1 stop10h 09m

Toronto Region of Waterloo Intl

Tue 2/17

6:20 am-12:45 pm

1 stop31h 25m

$315

HoustonToronto

IAH - YTZ

IAHYTZ

Houston George Bush Intcntl

Thu 1/8

6:25 am-4:25 pm

1 stop9h 00m

Toronto Island

Wed 1/14

8:50 am-10:53 pm

1 stop15h 03m

$317

HoustonMontreal

IAH - YUL

IAHYUL

Houston George Bush Intcntl

Sun 1/25

8:19 pm-4:22 pm

2 stops19h 03m

Montreal Pierre Elliott Trudeau Intl

Sun 2/1

8:00 am-8:23 pm

1 stop13h 23m

$319

HoustonToronto

IAH - YTZ

IAHYTZ

Houston George Bush Intcntl

Sat 1/10

7:27 pm-10:35 am

1 stop14h 08m

Toronto Island

Fri 1/16

8:50 am-10:53 pm

1 stop15h 03m

$321

HoustonToronto

IAH - YTZ

IAHYTZ

Houston George Bush Intcntl

Fri 1/9

7:27 pm-11:40 am

1 stop15h 13m

Toronto Island

Thu 1/15

8:50 am-10:53 pm

1 stop15h 03m

$322

HoustonToronto

IAH - YTZ

IAHYTZ

Houston George Bush Intcntl

Sat 1/10

7:27 pm-10:35 am

1 stop14h 08m

Toronto Island

Sat 1/17

10:30 am-11:34 pm

2 stops14h 04m

$327

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

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 $118). Flying from Houston to Region of Ontario in September is currently the most expensive (average of $278). 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 December 12, 2025.

When flying from Houston to Region of Ontario, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 38% versus a flight at noon.

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 December 12, 2025.
Read reviews from past customers who have flown Delta, United Airlines, and American Airlines from Houston to Ontario. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,008 reviews

Food

7.3

Boarding

8.1

Entertainment

7.9

Overall

7.9

Comfort

7.9

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,008 reviews
Delta
7.9
Good
8,008 reviews

Food

7.3

Boarding

8.1

Entertainment

7.9

Overall

7.9

Comfort

7.9

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,095 reviews
Delta
7.9
Good
8,008 reviews

Food

7.3

Boarding

8.1

Entertainment

7.9

Overall

7.9

Comfort

7.9

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.2
Good
11,048 reviews
Delta
7.9
Good
8,008 reviews

Food

7.3

Boarding

8.1

Entertainment

7.9

Overall

7.9

Comfort

7.9

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Air Canada
7.1
Good
10,514 reviews
Delta
7.9
Good
8,008 reviews

Food

7.3

Boarding

8.1

Entertainment

7.9

Overall

7.9

Comfort

7.9

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

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?

    Departing from Houston to Region of Ontario will take you 3h 10m. Houston and Region of Ontario are separated by a distance of 1280 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from Houston to Region of Ontario one-way?

    For one-way options, check prices for United Airlines. According to our data, you can fly for as low as $150. Users have also found prices from $182 and $209 on Air Canada and American Airlines, respectively.

  • 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 $118). Flying from Houston to Region of Ontario in September is currently the most expensive (average of $278). 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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Top 4 airlines flying from Houston to Ontario

Discover the top 4 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 2,558,603 searches. Data last updated December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$218Average$562FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$251Average$712FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$268Average$748FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$453Average$582FlexibilityNo cancel feeOn-time71%

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