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$96+ 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 2/23. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — YYZ
Feb 10 — Feb 171
Tue 2/10
Tue 2/17
1 adult, Economy
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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 January 11, 2026.

Round-trip from

$259
(Kiwi.com)

One-way from

$96
(Kiwi.com)

Popular in

January

Cheapest in

February

Average price

$693
From Houston to Ontario
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One-way flight from Houston to Ontario
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High demand for flights, 4% potential price rise
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Cheapest flight prices on average. 1% potential price decrease ($11 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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Find 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 January 11, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/9. 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 2/103:00 pmIAH - YYZ
1 stop8h 14mMultiple Airlines
Mon 2/168:00 pmYYZ - IAH
1 stop10h 54mMultiple Airlines
Deal found 1/9$259
This Kiwi.com deal was found by Cheapflights users on 1/9. 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 2/107:45 amIAH - YYZ
2 stops11h 26mMultiple Airlines
Wed 2/188:20 pmYYZ - IAH
1 stop12h 35mMultiple Airlines
Deal found 1/9$260
This Kiwi.com deal was found by Cheapflights users on 1/9. 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 2/44:35 pmIAH - YYZ
1 stop29h 45mMultiple Airlines
Wed 2/116:20 pmYYZ - IAH
2 stops14h 35mMultiple Airlines
Deal found 1/9$262
This Kiwi.com deal was found by Cheapflights users on 1/9. 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 2/912:16 pmIAH - YYZ
1 stop10h 58mMultiple Airlines
Wed 2/188:20 pmYYZ - IAH
1 stop12h 35mMultiple Airlines
Deal found 1/9$263
This Kiwi.com deal was found by Cheapflights users on 1/9. 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 2/117:45 amIAH - YYZ
1 stop13h 30mMultiple Airlines
Tue 2/1711:15 amYYZ - IAH
1 stop10h 08mMultiple Airlines
Deal found 1/9$264
This Kiwi.com deal was found by Cheapflights users on 1/10. 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.
Mon 2/910:14 pmIAH - YYZ
2 stops20h 22mMultiple Airlines
Mon 2/1611:15 amYYZ - IAH
1 stop21h 45mMultiple Airlines
Deal found 1/10$266
This Kiwi.com deal was found by Cheapflights users on 1/8. 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 2/122:41 pmIAH - YUL
2 stops32h 54mMultiple Airlines
Sun 2/158:00 amYUL - IAH
1 stop14h 41mMultiple Airlines
Deal found 1/8$267
This Kiwi.com deal was found by Cheapflights users on 1/9. 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.
Sat 1/248:18 pmIAH - YYZ
1 stop14h 28mMultiple Airlines
Fri 1/308:00 pmYYZ - IAH
1 stop10h 55mMultiple Airlines
Deal found 1/9$269
This Kiwi.com deal was found by Cheapflights users on 1/9. 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 2/110:12 pmIAH - YYZ
2 stops21h 59mMultiple Airlines
Sun 2/87:45 amYYZ - IAH
1 stop10h 45mMultiple Airlines
Deal found 1/9$270
This Kiwi.com deal was found by Cheapflights users on 1/10. 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.
Mon 6/18:00 amIAH - YYZ
1 stop9h 52mWestJet
Sat 6/61:30 pmYYZ - IAH
1 stop10h 10mWestJet
Deal found 1/10$271
This Kiwi.com deal was found by Cheapflights users on 1/9. 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 2/411:38 amIAH - YTZ
1 stop25h 09mMultiple Airlines
Wed 2/117:45 amYTZ - IAH
2 stops14h 49mMultiple Airlines
Deal found 1/9$272
This Kiwi.com deal was found by Cheapflights users on 1/10. 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 1/283:18 pmIAH - YYZ
1 stop22h 02mMultiple Airlines
Sun 2/18:45 pmYYZ - IAH
2 stops21h 45mMultiple Airlines
Deal found 1/10$272

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 January 11, 2026.
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

Tue 5/19

3:00 pm-5:50 am

2 stops13h 50m

Toronto Pearson Intl

Tue 5/26

9:00 am-10:40 pm

2 stops14h 40m

$274

HoustonToronto

IAH - YTZ

IAHYTZ

Houston George Bush Intcntl

Tue 2/10

7:45 am-7:54 pm

2 stops11h 09m

Toronto Island

Wed 2/18

9:25 am-3:39 pm

1 stop7h 14m

$276

HoustonToronto

IAH - YTZ

IAHYTZ

Houston George Bush Intcntl

Fri 1/23

7:27 pm-11:40 am

1 stop15h 13m

Toronto Island

Thu 1/29

8:50 am-10:47 pm

1 stop14h 57m

$285

HoustonToronto

IAH - YTZ

IAHYTZ

Houston George Bush Intcntl

Tue 2/10

7:45 am-7:54 pm

2 stops11h 09m

Toronto Island

Tue 2/17

7:45 am-3:39 pm

1 stop8h 54m

$289

HoustonToronto

IAH - YTZ

IAHYTZ

Houston George Bush Intcntl

Mon 2/9

6:25 am-6:55 pm

1 stop11h 30m

Toronto Island

Wed 2/18

7:45 am-3:39 pm

1 stop8h 54m

$293

HoustonToronto

IAH - YTZ

IAHYTZ

Houston George Bush Intcntl

Fri 1/23

4:15 pm-11:40 am

2 stops18h 25m

Toronto Island

Fri 1/30

8:50 am-10:53 pm

1 stop15h 03m

$297

HoustonMontreal

IAH - YUL

IAHYUL

Houston George Bush Intcntl

Fri 1/30

6:20 pm-7:05 am

1 stop11h 45m

Montreal Pierre Elliott Trudeau Intl

Tue 2/3

4:15 pm-5:30 pm

1 stop26h 15m

$298

HoustonMontreal

IAH - YUL

IAHYUL

Houston George Bush Intcntl

Thu 2/5

6:25 am-5:45 pm

2 stops34h 20m

Montreal Pierre Elliott Trudeau Intl

Mon 2/9

8:00 am-8:40 am

1 stop25h 40m

$298

HoustonToronto

IAH - YTZ

IAHYTZ

Houston George Bush Intcntl

Mon 2/23

7:05 am-6:55 pm

1 stop10h 50m

Toronto Island

Mon 3/2

2:05 pm-8:00 am

2 stops18h 55m

$301

HoustonToronto

IAH - YTZ

IAHYTZ

Houston George Bush Intcntl

Mon 2/9

6:25 am-6:55 pm

1 stop11h 30m

Toronto Island

Tue 2/17

9:25 am-3:39 pm

1 stop7h 14m

$306

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/9

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 January 11, 2026.

When flying from Houston to Region of Ontario, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 January 11, 2026.
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
8,035 reviews

Crew

8.5

Overall

7.9

Boarding

8.1

Comfort

7.9

Food

7.2

Entertainment

7.8

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
8,035 reviews
Delta
7.9
Good
8,035 reviews

Crew

8.5

Overall

7.9

Boarding

8.1

Comfort

7.9

Food

7.2

Entertainment

7.8

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
9,145 reviews
Delta
7.9
Good
8,035 reviews

Crew

8.5

Overall

7.9

Boarding

8.1

Comfort

7.9

Food

7.2

Entertainment

7.8

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
11,099 reviews
Delta
7.9
Good
8,035 reviews

Crew

8.5

Overall

7.9

Boarding

8.1

Comfort

7.9

Food

7.2

Entertainment

7.8

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
10,611 reviews
Delta
7.9
Good
8,035 reviews

Crew

8.5

Overall

7.9

Boarding

8.1

Comfort

7.9

Food

7.2

Entertainment

7.8

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 5h 06m. 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 January 11, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$218Average$562FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$252Average$664FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$268Average$757FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$453Average$532FlexibilityNo cancel feeOn-time71%

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