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Ontario

$94+ 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 1/28. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — YYZ
Jan 20 — Jan 271
Tue 1/20
Tue 1/27
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 21, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/20. 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 12/3112:50 pmIAH - YYZ
1 stop7h 29mMultiple Airlines
Wed 1/73:40 pmYYZ - IAH
1 stop22h 39mMultiple Airlines
Deal found 12/20$407
This Kiwi.com deal was found by Cheapflights users on 12/20. 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 12/3112:50 pmIAH - YYZ
1 stop7h 29mMultiple Airlines
Tue 1/63:40 pmYYZ - IAH
1 stop18h 23mMultiple Airlines
Deal found 12/20$413
This Kiwi.com deal was found by Cheapflights users on 12/19. 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.
Mon 12/298:36 amIAH - YYZ
1 stop30h 49mMultiple Airlines
Tue 1/63:40 pmYYZ - IAH
1 stop18h 23mMultiple Airlines
Deal found 12/19$424
This Kiwi.com deal was found by Cheapflights users on 12/19. 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.
Mon 12/298:36 amIAH - YYZ
1 stop30h 49mMultiple Airlines
Mon 1/58:30 pmYYZ - IAH
1 stop13h 33mMultiple Airlines
Deal found 12/19$428
This Kiwi.com deal was found by Cheapflights users on 12/20. 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 12/3112:50 pmIAH - YYZ
1 stop7h 29mMultiple Airlines
Mon 1/58:30 pmYYZ - IAH
1 stop26h 24mMultiple Airlines
Deal found 12/20$433
This Kiwi.com deal was found by Cheapflights users on 12/20. 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 12/308:36 amIAH - YYZ
1 stop14h 19mMultiple Airlines
Tue 1/63:40 pmYYZ - IAH
1 stop18h 23mMultiple Airlines
Deal found 12/20$442
This Mytrip deal was found by Cheapflights users on 12/19. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/308:36 amIAH - YYZ
1 stop14h 19mMultiple Airlines
Mon 1/58:30 pmYYZ - IAH
1 stop13h 33mMultiple Airlines
Deal found 12/19$444
This Kiwi.com deal was found by Cheapflights users on 12/20. 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 12/2810:44 amIAH - YUL
2 stops32h 51mMultiple Airlines
Mon 1/128:00 amYUL - IAH
1 stop25h 40mMultiple Airlines
Deal found 12/20$509
This Kiwi.com deal was found by Cheapflights users on 12/19. 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.
Mon 12/298:36 amIAH - YOW
1 stop30h 54mMultiple Airlines
Thu 1/19:30 amYOW - IAH
1 stop23h 34mMultiple Airlines
Deal found 12/19$566
This Mytrip deal was found by Cheapflights users on 12/19. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/308:36 amIAH - YHM
1 stop14h 37mMultiple Airlines
Mon 1/57:25 amYHM - IAH
1 stop11h 25mMultiple Airlines
Deal found 12/19$590
This Kiwi.com deal was found by Cheapflights users on 12/20. 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.
Fri 12/269:34 pmIAH - YOW
1 stop25h 24mMultiple Airlines
Wed 12/314:20 pmYOW - IAH
2 stops25h 45mMultiple Airlines
Deal found 12/20$623
This Mytrip deal was found by Cheapflights users on 12/19. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/305:54 amIAH - YTZ
2 stops13h 56mMultiple Airlines
Mon 1/58:50 amYTZ - IAH
1 stop15h 26mMultiple Airlines
Deal found 12/19$629

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 21, 2025.

Round-trip from

$239
(Kiwi.com)

One-way from

$94
(Trip.com)

Popular in

December

Cheapest in

February

Average price

$676
From Houston to Ontario
Search Deals
One-way flight from Houston to Ontario
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($72 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($9 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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 2,558,603 searches. Data last updated December 21, 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

Sun 1/18

9:37 pm-7:05 am

2 stops32h 28m

Montreal Pierre Elliott Trudeau Intl

Wed 1/21

8:00 am-1:10 pm

1 stop30h 10m

$254

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Mon 1/19

5:05 am-2:58 pm

2 stops32h 53m

Ottawa

Mon 2/2

4:15 pm-8:40 am

1 stop17h 25m

$289

HoustonHamilton

IAH - YHM

IAHYHM

Houston George Bush Intcntl

Wed 5/27

8:00 am-12:40 am

1 stop15h 40m

Hamilton

Sat 5/30

6:00 am-10:40 pm

1 stop17h 40m

$299

HoustonHamilton

IAH - YHM

IAHYHM

Houston George Bush Intcntl

Sat 5/2

8:00 am-12:40 am

1 stop15h 40m

Hamilton

Sat 5/9

6:00 am-10:40 pm

1 stop17h 40m

$299

HoustonHamilton

IAH - YHM

IAHYHM

Houston George Bush Intcntl

Thu 3/19

6:20 pm-1:21 pm

1 stop18h 01m

Hamilton

Wed 3/25

6:10 pm-12:45 pm

1 stop19h 35m

$299

HoustonToronto

IAH - YTZ

IAHYTZ

Houston George Bush Intcntl

Sun 2/1

5:46 am-10:03 pm

2 stops15h 17m

Toronto Island

Wed 2/4

10:40 am-11:58 pm

3 stops14h 18m

$300

HoustonHamilton

IAH - YHM

IAHYHM

Houston George Bush Intcntl

Wed 6/3

8:00 am-12:40 am

1 stop15h 40m

Hamilton

Fri 6/5

6:00 am-10:40 pm

1 stop17h 40m

$301

HoustonHamilton

IAH - YHM

IAHYHM

Houston George Bush Intcntl

Thu 1/15

1:35 pm-1:22 pm

1 stop22h 47m

Hamilton

Thu 1/22

6:10 pm-12:44 pm

1 stop19h 34m

$301

HoustonHamilton

IAH - YHM

IAHYHM

Houston George Bush Intcntl

Thu 1/29

1:35 pm-1:22 pm

1 stop22h 47m

Hamilton

Mon 2/2

6:10 pm-5:30 pm

1 stop24h 20m

$301

HoustonHamilton

IAH - YHM

IAHYHM

Houston George Bush Intcntl

Tue 2/3

6:20 pm-5:16 pm

1 stop21h 56m

Hamilton

Thu 2/5

6:10 pm-12:45 pm

1 stop19h 35m

$301

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/19

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 21, 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.

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 December 21, 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
8,018 reviews

Boarding

8.1

Crew

8.5

Comfort

7.9

Overall

7.9

Entertainment

7.9

Food

7.3

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
8,018 reviews
Delta
7.9
Good
8,018 reviews

Boarding

8.1

Crew

8.5

Comfort

7.9

Overall

7.9

Entertainment

7.9

Food

7.3

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
9,097 reviews
Delta
7.9
Good
8,018 reviews

Boarding

8.1

Crew

8.5

Comfort

7.9

Overall

7.9

Entertainment

7.9

Food

7.3

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
11,050 reviews
Delta
7.9
Good
8,018 reviews

Boarding

8.1

Crew

8.5

Comfort

7.9

Overall

7.9

Entertainment

7.9

Food

7.3

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
10,549 reviews
Delta
7.9
Good
8,018 reviews

Boarding

8.1

Crew

8.5

Comfort

7.9

Overall

7.9

Entertainment

7.9

Food

7.3

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 6h 11m. Houston and Region of Ontario are separated by a distance of 1296 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 $180. 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 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$218Average$562FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$252Average$713FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$267Average$748FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$453Average$582FlexibilityNo cancel feeOn-time71%

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