Ontario

$121+ 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 5/5. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — YYZ
May 7 — May 141
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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 April 7, 2026.

This Kiwi.com deal was found by Cheapflights users on 4/7. 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 5/288:29 am
IAH
-
YYZ
1 stop11h 26m
Multiple Airlines
Tue 6/210:50 am
YYZ
-
IAH
2 stops26h 43m
Multiple Airlines
Deal found 4/7$286
This Kiwi.com deal was found by Cheapflights users on 4/5. 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 5/135:29 pm
IAH
-
YTZ
1 stop13h 31m
Multiple Airlines
Sun 5/178:55 am
YTZ
-
IAH
1 stop27h 55m
Multiple Airlines
Deal found 4/5$289
This Kiwi.com deal was found by Cheapflights users on 4/3. 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 6/29:00 pm
IAH
-
YYZ
2 stops32h 55m
Multiple Airlines
Mon 6/87:45 am
YYZ
-
IAH
1 stop26h 02m
Multiple Airlines
Deal found 4/3$289
This Kiwi.com deal was found by Cheapflights users on 4/6. 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 4/203:24 pm
IAH
-
YYZ
1 stop26h 41m
Multiple Airlines
Wed 4/2211:15 am
YYZ
-
IAH
1 stop28h 56m
Multiple Airlines
Deal found 4/6$290
This Kiwi.com deal was found by Cheapflights users on 4/4. 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 4/243:31 pm
IAH
-
YTZ
1 stop19h 09m
Multiple Airlines
Sun 4/262:30 pm
YTZ
-
IAH
1 stop18h 57m
Multiple Airlines
Deal found 4/4$292
This Kiwi.com deal was found by Cheapflights users on 4/2. 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 5/56:30 am
IAH
-
YYZ
2 stops38h 25m
Multiple Airlines
Sun 5/106:30 am
YYZ
-
IAH
1 stop9h 33m
Multiple Airlines
Deal found 4/2$292
This Kiwi.com deal was found by Cheapflights users on 4/3. 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 5/61:28 pm
IAH
-
YYZ
2 stops15h 17m
Multiple Airlines
Wed 5/277:45 am
YYZ
-
IAH
1 stop12h 04m
Multiple Airlines
Deal found 4/3$294
This Kiwi.com deal was found by Cheapflights users on 4/3. 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 5/269:00 pm
IAH
-
YYZ
2 stops31h 45m
Multiple Airlines
Mon 6/87:45 am
YYZ
-
IAH
1 stop26h 02m
Multiple Airlines
Deal found 4/3$295
This Kiwi.com deal was found by Cheapflights users on 4/3. 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 4/203:24 pm
IAH
-
YYZ
1 stop26h 41m
Multiple Airlines
Fri 4/248:30 pm
YYZ
-
IAH
1 stop22h 11m
Multiple Airlines
Deal found 4/3$296
This Kiwi.com deal was found by Cheapflights users on 4/3. 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 6/257:15 pm
IAH
-
YTZ
1 stop11h 45m
Multiple Airlines
Tue 6/308:50 am
YTZ
-
IAH
1 stop13h 07m
Multiple Airlines
Deal found 4/3$297
This Kiwi.com deal was found by Cheapflights users on 4/4. 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 4/239:46 am
IAH
-
YYZ
1 stop28h 34m
Multiple Airlines
Tue 4/286:30 am
YYZ
-
IAH
1 stop17h 17m
Multiple Airlines
Deal found 4/4$297
This Kiwi.com deal was found by Cheapflights users on 4/3. 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 5/56:30 am
IAH
-
YYZ
2 stops38h 25m
Multiple Airlines
Wed 5/134:50 pm
YYZ
-
IAH
1 stop17h 00m
Multiple Airlines
Deal found 4/3$298

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 April 7, 2026.

Round-trip from

$284
(Kiwi.com)

One-way from

$121
(Kiwi.com)

Popular in

February

Cheapest in

September

Average price

$581
From Houston to Ontario
One-way flight from Houston to Ontario
Highest demand for flights based on searches. 2% potential increase in price ($17 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($9 potential savings vs. average RT price).
Average for round-trip flights in April 2026

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 April 7, 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

HoustonMontreal

IAH - YUL

IAHYUL

Houston George Bush Intcntl

Mon 6/1

8:50 pm-2:08 pm

2 stops40h 18m

Montreal Pierre Elliott Trudeau Intl

Mon 6/8

7:15 pm-3:14 pm

1 stop20h 59m

$366

HoustonToronto

IAH - YTZ

IAHYTZ

Houston George Bush Intcntl

Fri 5/1

11:39 am-9:35 am

2 stops20h 56m

Toronto Island

Sun 5/3

8:25 am-11:59 pm

1 stop16h 34m

$368

HoustonToronto

IAH - YTZ

IAHYTZ

Houston George Bush Intcntl

Thu 5/28

6:50 am-3:05 pm

1 stop7h 15m

Toronto Island

Wed 6/3

8:25 am-3:14 pm

1 stop7h 49m

$373

HoustonHamilton

IAH - YHM

IAHYHM

Houston George Bush Intcntl

Mon 6/22

6:30 am-5:15 pm

1 stop9h 45m

Hamilton

Wed 6/24

6:10 pm-1:55 pm

1 stop20h 45m

$489

HoustonHamilton

IAH - YHM

IAHYHM

Houston George Bush Intcntl

Tue 6/16

6:30 am-5:15 pm

1 stop9h 45m

Hamilton

Thu 6/18

6:10 pm-1:55 pm

1 stop20h 45m

$499

HoustonMontreal

IAH - YUL

IAHYUL

Houston George Bush Intcntl

Tue 4/28

6:09 pm-8:40 am

1 stop13h 31m

Montreal Pierre Elliott Trudeau Intl

Sat 5/2

9:30 am-6:33 pm

1 stop10h 03m

$507

HoustonHamilton

IAH - YHM

IAHYHM

Houston George Bush Intcntl

Mon 5/18

8:50 pm-11:13 pm

2 stops49h 23m

Hamilton

Mon 5/25

8:15 am-11:36 pm

1 stop16h 21m

$551

HoustonToronto

IAH - YKF

IAHYKF

Houston George Bush Intcntl

Mon 6/22

6:30 am-7:50 pm

1 stop12h 20m

Toronto Region of Waterloo Intl

Wed 6/24

8:40 pm-1:55 pm

1 stop18h 15m

$558

HoustonToronto

IAH - YKF

IAHYKF

Houston George Bush Intcntl

Fri 7/31

6:30 am-7:50 pm

1 stop12h 20m

Toronto Region of Waterloo Intl

Wed 8/5

8:40 pm-1:55 pm

1 stop18h 15m

$565

HoustonToronto

IAH - YTZ

IAHYTZ

Houston George Bush Intcntl

Tue 6/2

6:10 am-4:41 pm

1 stop9h 31m

Toronto Island

Thu 6/4

7:25 am-5:01 pm

1 stop10h 36m

$571

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/2

Showing 1-10 of 60 resultsSorted by cheapest first
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6

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 March is currently the most expensive (average of $303). 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 April 7, 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.

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 April 7, 2026.
Read reviews from past customers who have flown Delta,United Airlines, andWestJet 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.

Overall

7.9

Food

7.2

Boarding

8.1

Crew

8.5

Comfort

7.9

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.

Overall

7.9

Food

7.2

Boarding

8.1

Crew

8.5

Comfort

7.9

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.

Overall

7.9

Food

7.2

Boarding

8.1

Crew

8.5

Comfort

7.9

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.

Overall

7.9

Food

7.2

Boarding

8.1

Crew

8.5

Comfort

7.9

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.

Overall

7.9

Food

7.2

Boarding

8.1

Crew

8.5

Comfort

7.9

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.

Overall

7.9

Food

7.2

Boarding

8.1

Crew

8.5

Comfort

7.9

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 9h 31m. Houston and Region of Ontario are separated by a distance of 1285 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?

  • 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 March is currently the most expensive (average of $303). 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

Browse thousands of different options on Cheapflights for your next trip

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Top 5 airlines flying from Houston to Ontario

Discover the top 5 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 April 7, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$118Average$396FlexibilityNo cancel feeOn-timeN/A
WestJetCheapest$236Average$552FlexibilityNo cancel feeOn-time60%
Air CanadaCheapest$266Average$647FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$268Average$768FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$315Average$429FlexibilityNo cancel feeOn-time71%

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