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Ontario

$124+ 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 4/11. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — YYZ
Apr 2 — Apr 91
Wed 4/2
Wed 4/9
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 March 28, 2025.

Round-trip from

$251
(Mytrip)

One-way from

$124
(Kiwi.com)

Popular in

May

Cheapest in

February

Average price

$585
From Houston to Ontario
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One-way flight from Houston to Ontario
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Highest demand for flights based on searches. 13% potential increase in price ($87 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($14 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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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 March 28, 2025.

This Mytrip deal was found by Cheapflights users on 3/26. 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.
Wed 4/238:55 pmIAH - YYZ
1 stop16h 10mMultiple Airlines
Wed 4/307:30 amYYZ - IAH
1 stop17h 55mMultiple Airlines
Deal found 3/26$252
This Mytrip deal was found by Cheapflights users on 3/27. 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.
Wed 4/238:25 amIAH - YTZ
1 stop8h 35mMultiple Airlines
Tue 4/296:45 amYTZ - IAH
1 stop11h 18mMultiple Airlines
Deal found 3/27$309
This Kiwi.com deal was found by Cheapflights users on 3/27. 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 4/228:02 pmIAH - YUL
1 stop20h 38mMultiple Airlines
Thu 4/249:15 amYUL - IAH
1 stop15h 13mMultiple Airlines
Deal found 3/27$319
This Mytrip deal was found by Cheapflights users on 3/26. 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 4/16:30 pmIAH - YKF
2 stops23h 55mMultiple Airlines
Thu 4/312:35 pmYKF - IAH
1 stop9h 10mMultiple Airlines
Deal found 3/26$372
This Kiwi.com deal was found by Cheapflights users on 3/27. 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 5/33:00 pmIAH - YYZ
1 stop14h 12mWestJet
Sat 5/1011:00 amYYZ - IAH
1 stop12h 42mWestJet
Deal found 3/27$416
This Delta deal was found by Cheapflights users on 3/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/296:35 amIAH - YYZ
1 stop10h 24mDelta
Fri 5/210:20 amYYZ - IAH
1 stop13h 13mDelta
Deal found 3/27$421
This Kiwi.com deal was found by Cheapflights users on 3/25. 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 6/108:00 amIAH - YKF
1 stop15h 46mWestJet
Tue 6/176:00 amYKF - IAH
1 stop17h 42mWestJet
Deal found 3/25$425
This Gotogate deal was found by Cheapflights users on 3/27. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/297:20 amIAH - YYZ
Nonstop3h 10mAir Canada
Sat 5/312:00 pmYYZ - IAH
1 stop8h 56mAir Canada
Deal found 3/27$443
This Kiwi.com deal was found by Cheapflights users on 3/27. 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 6/28:00 amIAH - YUL
1 stop15h 43mWestJet
Fri 6/67:00 amYUL - IAH
1 stop16h 42mWestJet
Deal found 3/27$456
This Delta deal was found by Cheapflights users on 3/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/266:00 amHOU - YYZ
1 stop9h 59mDelta
Wed 4/306:00 amYYZ - HOU
2 stops12h 41mDelta
Deal found 3/27$477
This Delta deal was found by Cheapflights users on 3/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/306:51 pmIAH - YUL
1 stop20h 13mDelta
Fri 6/65:00 pmYUL - IAH
1 stop20h 15mDelta
Deal found 3/27$493
This American Airlines deal was found by Cheapflights users on 3/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/179:14 amHOU - YYZ
1 stop6h 11mAmerican Airlines
Wed 4/235:20 pmYYZ - HOU
1 stop6h 20mAmerican Airlines
Deal found 3/27$500

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 28, 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

HoustonToronto

IAH - YYZ

IAHYYZ

Houston George Bush Intcntl

Thu 4/17

12:04 pm-11:55 pm

2 stops10h 51m

Toronto Pearson Intl

Wed 4/23

6:30 am-11:28 pm

1 stop17h 58m

$251

HoustonToronto

IAH - YTZ

IAHYTZ

Houston George Bush Intcntl

Wed 4/23

8:25 am-6:00 pm

1 stop8h 35m

Toronto Island

Tue 4/29

6:45 am-5:03 pm

1 stop11h 18m

$309

HoustonMontreal

IAH - YUL

IAHYUL

Houston George Bush Intcntl

Tue 4/22

8:02 pm-5:40 pm

1 stop20h 38m

Montreal Pierre Elliott Trudeau Intl

Thu 4/24

9:15 am-11:28 pm

1 stop15h 13m

$319

HoustonToronto

IAH - YKF

IAHYKF

Houston George Bush Intcntl

Thu 6/12

3:00 pm-12:46 am

1 stop32h 46m

Toronto Region of Waterloo Intl

Thu 6/19

6:00 am-10:42 pm

1 stop17h 42m

$387

HoustonToronto

IAH - YYZ

IAHYYZ

Houston George Bush Intcntl

Sat 5/3

3:00 pm-6:12 am

1 stop14h 12m

Toronto Pearson Intl

Sat 5/10

11:00 am-10:42 pm

1 stop12h 42m

$416

HoustonToronto

IAH - YYZ

IAHYYZ

Houston George Bush Intcntl

Thu 4/17

7:20 am-11:26 am

Nonstop3h 06m

Toronto Pearson Intl

Wed 4/23

6:30 pm-9:14 pm

Nonstop3h 44m

$420

HoustonToronto

IAH - YYZ

IAHYYZ

Houston George Bush Intcntl

Tue 4/29

6:35 am-5:59 pm

1 stop10h 24m

Toronto Pearson Intl

Wed 5/7

6:15 am-4:41 pm

1 stop11h 26m

$421

HoustonToronto

IAH - YKF

IAHYKF

Houston George Bush Intcntl

Tue 6/10

8:00 am-12:46 am

1 stop15h 46m

Toronto Region of Waterloo Intl

Tue 6/17

6:00 am-10:42 pm

1 stop17h 42m

$425

HoustonMontreal

IAH - YUL

IAHYUL

Houston George Bush Intcntl

Mon 6/2

8:00 am-12:43 am

1 stop15h 43m

Montreal Pierre Elliott Trudeau Intl

Fri 6/6

7:00 am-10:42 pm

1 stop16h 42m

$456

HoustonToronto

HOU - YYZ

HOUYYZ

Houston Hobby

Sat 4/26

6:00 am-4:59 pm

1 stop9h 59m

Toronto Pearson Intl

Wed 4/30

6:00 am-5:41 pm

2 stops12h 41m

$477

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/26

Showing 1-10 of 50 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, January is the cheapest month in which you can book a flight from Houston to Region of Ontario (average of $243). Flying from Houston to Region of Ontario in July is currently the most expensive (average of $359). 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 28, 2025.

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.

Rainfall in Ontario by month

Plan your trip to Ontario by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Region of Ontario ranges from 2.0 - 3.3 inches per month. June is typically the wettest month, when rainfall can reach 3.3 in. February is typically the driest time to visit Region of Ontario when rainfall is around 2.0 in.

Temperature in Ontario by month

Plan your trip to Ontario by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Region of Ontario, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 21.2 F).

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 28, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Delta and Porter Airlines from Houston to Ontario by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,798 reviews

Boarding

8.2

Entertainment

7.1

Crew

8.5

Food

7.1

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Alaska Airlines
8.0
Very good
9,798 reviews
Alaska Airlines
8.0
Very good
9,798 reviews

Boarding

8.2

Entertainment

7.1

Crew

8.5

Food

7.1

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Delta
8.0
Very good
7,897 reviews
Alaska Airlines
8.0
Very good
9,798 reviews

Boarding

8.2

Entertainment

7.1

Crew

8.5

Food

7.1

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Porter Airlines
7.9
Good
277 reviews
Alaska Airlines
8.0
Very good
9,798 reviews

Boarding

8.2

Entertainment

7.1

Crew

8.5

Food

7.1

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
KLM
7.8
Good
1,321 reviews
Alaska Airlines
8.0
Very good
9,798 reviews

Boarding

8.2

Entertainment

7.1

Crew

8.5

Food

7.1

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
United Airlines
7.4
Good
8,603 reviews
Alaska Airlines
8.0
Very good
9,798 reviews

Boarding

8.2

Entertainment

7.1

Crew

8.5

Food

7.1

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

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.

  • 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 $209. Users have also found prices from $219 and $228 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, January is the cheapest month in which you can book a flight from Houston to Region of Ontario (average of $243). Flying from Houston to Region of Ontario in July is currently the most expensive (average of $359). 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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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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Hobby to Vancouver Intl flights
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Top 3 airlines flying from Houston to Ontario

Discover the top 3 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 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$250Average$824FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$251Average$732FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$276Average$593FlexibilityNo cancel feeOn-time71%
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