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$123+ 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 3/30. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — YYZ
Apr 22 — Apr 291
Wed 4/22
Wed 4/29
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 March 23, 2026.

This Kiwi.com deal was found by Cheapflights users on 3/20. 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 5/1312:16 pm
IAH
-
YYZ
1 stop24h 49m
Multiple Airlines
Tue 5/199:30 am
YYZ
-
IAH
1 stop14h 17m
Multiple Airlines
Deal found 3/20$313
This Kiwi.com deal was found by Cheapflights users on 3/20. 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 5/1312:16 pm
IAH
-
YYZ
1 stop24h 49m
Multiple Airlines
Wed 5/209:50 am
YYZ
-
IAH
1 stop9h 59m
Multiple Airlines
Deal found 3/20$317
This Kiwi.com deal was found by Cheapflights users on 3/20. 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 4/146:14 pm
IAH
-
YYZ
2 stops18h 51m
Multiple Airlines
Sun 4/196:30 am
YYZ
-
IAH
1 stop9h 33m
Multiple Airlines
Deal found 3/20$319
This Mytrip deal was found by Cheapflights users on 3/19. 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.
Thu 4/97:35 am
IAH
-
YYZ
1 stop11h 20m
Multiple Airlines
Mon 4/133:40 pm
YYZ
-
IAH
1 stop18h 00m
Multiple Airlines
Deal found 3/19$320
This Kiwi.com deal was found by Cheapflights users on 3/20. 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 4/1411:19 am
IAH
-
YYZ
1 stop25h 46m
Multiple Airlines
Sat 4/186:30 am
YYZ
-
IAH
1 stop12h 11m
Multiple Airlines
Deal found 3/20$323
This Kiwi.com deal was found by Cheapflights users on 3/21. 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
-
YUL
2 stops30h 09m
Multiple Airlines
Mon 4/278:00 am
YUL
-
IAH
1 stop15h 33m
Multiple Airlines
Deal found 3/21$325
This Kiwi.com deal was found by Cheapflights users on 3/18. 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 4/146:57 pm
IAH
-
YYZ
1 stop18h 19m
Multiple Airlines
Tue 4/216:30 am
YYZ
-
IAH
1 stop17h 17m
Multiple Airlines
Deal found 3/18$325
This Kiwi.com deal was found by Cheapflights users on 3/22. 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 stop24h 57m
Multiple Airlines
Wed 4/296:30 am
YYZ
-
IAH
1 stop17h 17m
Multiple Airlines
Deal found 3/22$326
This Kiwi.com deal was found by Cheapflights users on 3/21. 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 4/1411:19 am
IAH
-
YYZ
1 stop25h 46m
Multiple Airlines
Sat 4/258:30 pm
YYZ
-
IAH
1 stop15h 57m
Multiple Airlines
Deal found 3/21$331
This Kiwi.com deal was found by Cheapflights users on 3/21. 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 4/911:32 am
IAH
-
YYZ
1 stop10h 48m
Multiple Airlines
Sun 4/1210:05 am
YYZ
-
IAH
1 stop14h 54m
Multiple Airlines
Deal found 3/21$337
This Kiwi.com deal was found by Cheapflights users on 3/21. 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 4/2110:09 am
IAH
-
YUL
1 stop13h 21m
Multiple Airlines
Mon 4/278:00 am
YUL
-
IAH
1 stop15h 33m
Multiple Airlines
Deal found 3/21$342
This Kiwi.com deal was found by Cheapflights users on 3/18. 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 4/216:57 pm
IAH
-
YUL
1 stop28h 33m
Multiple Airlines
Sun 4/268:00 am
YUL
-
IAH
1 stop28h 27m
Multiple Airlines
Deal found 3/18$345

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 March 23, 2026.

Round-trip from

$313
(Kiwi.com)

One-way from

$123
(Trip.com)

Popular in

March

Cheapest in

September

Average price

$738
From Houston to Ontario
Search Deals
One-way flight from Houston to Ontario
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($44 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
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 March 23, 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

HoustonToronto

IAH - YTZ

IAHYTZ

Houston George Bush Intcntl

Fri 5/15

12:16 pm-4:00 pm

2 stops26h 44m

Toronto Island

Sun 5/24

5:40 pm-11:59 pm

1 stop7h 19m

$453

HoustonToronto

IAH - YTZ

IAHYTZ

Houston George Bush Intcntl

Thu 4/30

6:58 pm-10:45 am

1 stop14h 47m

Toronto Island

Mon 5/4

5:40 pm-11:59 pm

1 stop7h 19m

$487

HoustonToronto

IAH - YKF

IAHYKF

Houston George Bush Intcntl

Wed 4/22

6:20 pm-5:29 am

1 stop10h 09m

Toronto Region of Waterloo Intl

Wed 4/29

8:40 pm-10:40 pm

1 stop27h 00m

$496

HoustonToronto

IAH - YTZ

IAHYTZ

Houston George Bush Intcntl

Tue 6/30

2:43 pm-8:00 am

1 stop16h 17m

Toronto Island

Tue 7/7

11:20 am-10:45 pm

2 stops12h 25m

$496

HoustonToronto

IAH - YYZ

IAHYYZ

Houston George Bush Intcntl

Wed 4/15

7:05 am-6:09 pm

1 stop10h 04m

Toronto Pearson Intl

Sat 4/18

7:55 am-6:33 pm

1 stop11h 38m

$517

HoustonToronto

IAH - YTZ

IAHYTZ

Houston George Bush Intcntl

Wed 7/8

2:43 pm-8:00 am

1 stop16h 17m

Toronto Island

Sun 7/12

1:40 pm-11:05 pm

1 stop10h 25m

$530

HoustonToronto

IAH - YTZ

IAHYTZ

Houston George Bush Intcntl

Sun 6/14

3:31 pm-8:00 am

1 stop15h 29m

Toronto Island

Fri 7/31

8:50 am-10:48 pm

2 stops14h 58m

$539

HoustonToronto

HOU - YYZ

HOUYYZ

Houston Hobby

Thu 4/30

5:23 pm-11:59 pm

1 stop5h 36m

Toronto Pearson Intl

Mon 5/4

11:30 am-4:28 pm

1 stop5h 58m

$571

HoustonToronto

IAH - YYZ

IAHYYZ

Houston George Bush Intcntl

Fri 7/31

5:30 am-1:34 pm

1 stop7h 04m

Toronto Pearson Intl

Wed 8/5

6:00 am-4:44 pm

1 stop11h 44m

$579

HoustonMontreal

HOU - YUL

HOUYUL

Houston Hobby

Wed 5/6

10:53 am-5:40 pm

1 stop5h 47m

Montreal Pierre Elliott Trudeau Intl

Tue 5/12

7:00 am-12:11 pm

1 stop6h 11m

$595

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/19

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 $315). 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 March 23, 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 March 23, 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.
Delta
7.9
Good
8,319 reviews

Comfort

7.9

Crew

8.5

Food

7.2

Entertainment

7.8

Boarding

8.1

Overall

7.9

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
8,319 reviews
Delta
7.9
Good
8,319 reviews

Comfort

7.9

Crew

8.5

Food

7.2

Entertainment

7.8

Boarding

8.1

Overall

7.9

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
9,462 reviews
Delta
7.9
Good
8,319 reviews

Comfort

7.9

Crew

8.5

Food

7.2

Entertainment

7.8

Boarding

8.1

Overall

7.9

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.
WestJet
7.2
Good
3,300 reviews
Delta
7.9
Good
8,319 reviews

Comfort

7.9

Crew

8.5

Food

7.2

Entertainment

7.8

Boarding

8.1

Overall

7.9

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
7.1
Good
11,488 reviews
Delta
7.9
Good
8,319 reviews

Comfort

7.9

Crew

8.5

Food

7.2

Entertainment

7.8

Boarding

8.1

Overall

7.9

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
10,835 reviews
Delta
7.9
Good
8,319 reviews

Comfort

7.9

Crew

8.5

Food

7.2

Entertainment

7.8

Boarding

8.1

Overall

7.9

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 10h 04m. 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 $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 March is currently the most expensive (average of $315). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 March 23, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$209Average$498FlexibilityNo cancel feeOn-timeN/A
WestJetCheapest$236Average$564FlexibilityNo cancel feeOn-time60%
United AirlinesCheapest$257Average$760FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$260Average$641FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$453Average$488FlexibilityNo cancel feeOn-time71%

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