HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Houston

$165+ Cheap flights from Ontario to Houston

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 8/26. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — HOU
ago. 5 — ago. 121
mar. 8/5
mar. 8/12
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Ontario to Houston with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Ontario to Houston

Keep the following information in mind while searching for Ontario to Houston flight deals. Data was last updated julio 31, 2025.

Round-trip from

$318
(Kiwi.com)

One-way from

$165
(Kiwi.com)

Popular in

August

Cheapest in

April

Average price

$522
From Ontario to Houston
Search Deals
One-way flight from Ontario to Houston
Search Deals
Highest demand for flights based on searches. 3% potential increase in price ($20 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 0% potential price decrease ($4 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2025
Search Deals

Find flight deals from Ontario to Houston

Cheapest flights from Ontario to Houston
Explore the most affordable flight options available from Ontario to Houston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on julio 31, 2025.

This Kiwi.com deal was found by Cheapflights users on 7/29. 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.
vie. 9/56:35 pmYUL - IAH
1 stop18h 07mMultiple Airlines
mié. 9/105:25 amIAH - YUL
2 stops14h 52mMultiple Airlines
Deal found 7/29$318
This Kiwi.com deal was found by Cheapflights users on 7/31. 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.
jue. 8/2811:00 amYYZ - IAH
2 stops19h 00mMultiple Airlines
jue. 9/45:25 amIAH - YYZ
1 stop10h 11mMultiple Airlines
Deal found 7/31$333
This FlightHub deal was found by Cheapflights users on 7/30. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 9/251:30 pmYYZ - IAH
1 stop10h 13mWestJet
mar. 10/73:00 pmIAH - YYZ
2 stops13h 51mWestJet
Deal found 7/30$334
This Kiwi.com deal was found by Cheapflights users on 7/30. 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.
lun. 8/257:55 amYTZ - IAH
1 stop16h 34mMultiple Airlines
jue. 9/48:00 pmIAH - YTZ
1 stop15h 17mMultiple Airlines
Deal found 7/30$336
This Kiwi.com deal was found by Cheapflights users on 7/30. 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.
mié. 8/203:50 pmYOW - IAH
1 stop8h 18mMultiple Airlines
mar. 8/265:27 pmIAH - YOW
1 stop22h 39mMultiple Airlines
Deal found 7/30$350
This Trip.com deal was found by Cheapflights users on 7/31. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 10/166:00 amYHM - IAH
1 stop17h 43mWestJet
lun. 10/208:00 amIAH - YHM
1 stop15h 40mWestJet
Deal found 7/31$374
This FlightHub deal was found by Cheapflights users on 7/30. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 10/217:15 pmYOW - IAH
1 stop19h 55mWestJet
mar. 10/286:20 pmIAH - YOW
1 stop29h 25mWestJet
Deal found 7/30$385
This Air Canada deal was found by Cheapflights users on 7/29. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/1512:25 pmYTZ - IAH
1 stop8h 17mAir Canada
sáb. 10/2510:00 amIAH - YTZ
2 stops9h 41mAir Canada
Deal found 7/29$397
This American Airlines deal was found by Cheapflights users on 7/29. 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.
jue. 11/136:10 amYYZ - HOU
1 stop10h 44mAmerican Airlines
lun. 11/1712:15 pmHOU - YYZ
1 stop9h 34mAmerican Airlines
Deal found 7/29$415
This Air Canada deal was found by Cheapflights users on 7/29. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/14:30 pmYUL - IAH
Nonstop4h 12mAir Canada
lun. 10/610:00 amIAH - YUL
Nonstop3h 50mAir Canada
Deal found 7/29$437
This Delta deal was found by Cheapflights users on 7/29. 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.
vie. 9/266:59 pmYUL - IAH
1 stop5h 51mDelta
lun. 9/296:36 pmIAH - YUL
1 stop26h 21mDelta
Deal found 7/29$440
This FlightHub deal was found by Cheapflights users on 7/30. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 10/167:00 amYUL - IAH
1 stop16h 43mWestJet
mié. 10/223:00 pmIAH - YUL
1 stop24h 27mWestJet
Deal found 7/30$453

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to Houston 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 julio 31, 2025.
Use the filters below to find and compare flights from Ontario to Houston that are best for you.

Fly from

Ontario

Fly to

Houston

Route

Depart

Return

Price

MontrealHouston

YUL - IAH

YULIAH

Montreal Pierre Elliott Trudeau Intl

vie. 9/5

6:35 pm-11:42 am

1 stop18h 07m

Houston George Bush Intcntl

mié. 9/10

5:25 am-9:17 pm

2 stops14h 52m

$318

TorontoHouston

YYZ - IAH

YYZIAH

Toronto Pearson Intl

jue. 8/28

11:00 am-5:00 am

2 stops19h 00m

Houston George Bush Intcntl

jue. 9/4

5:25 am-4:36 pm

1 stop10h 11m

$333

TorontoHouston

YYZ - IAH

YYZIAH

Toronto Pearson Intl

jue. 9/25

1:30 pm-10:43 pm

1 stop10h 13m

Houston George Bush Intcntl

mar. 10/7

3:00 pm-5:51 am

2 stops13h 51m

$334

TorontoHouston

YTZ - IAH

YTZIAH

Toronto Island

lun. 8/25

7:55 am-11:29 pm

1 stop16h 34m

Houston George Bush Intcntl

jue. 9/4

8:00 pm-12:17 pm

1 stop15h 17m

$336

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

mié. 8/20

3:50 pm-11:08 pm

1 stop8h 18m

Houston George Bush Intcntl

mar. 8/26

5:27 pm-5:06 pm

1 stop22h 39m

$350

HamiltonHouston

YHM - IAH

YHMIAH

Hamilton

jue. 10/16

6:00 am-10:43 pm

1 stop17h 43m

Houston George Bush Intcntl

lun. 10/20

8:00 am-12:40 am

1 stop15h 40m

$374

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

mar. 10/21

7:15 pm-2:10 pm

1 stop19h 55m

Houston George Bush Intcntl

mar. 10/28

6:20 pm-12:45 am

1 stop29h 25m

$385

TorontoHouston

YTZ - IAH

YTZIAH

Toronto Island

mié. 10/15

12:25 pm-7:42 pm

1 stop8h 17m

Houston George Bush Intcntl

sáb. 10/25

10:00 am-8:41 pm

2 stops9h 41m

$397

MontrealHouston

YUL - IAH

YULIAH

Montreal Pierre Elliott Trudeau Intl

mié. 10/1

4:30 pm-7:42 pm

Nonstop4h 12m

Houston George Bush Intcntl

lun. 10/6

10:00 am-2:50 pm

Nonstop3h 50m

$437

MontrealHouston

YUL - IAH

YULIAH

Montreal Pierre Elliott Trudeau Intl

vie. 9/26

6:59 pm-11:50 pm

1 stop5h 51m

Houston George Bush Intcntl

lun. 9/29

6:36 pm-9:57 pm

1 stop26h 21m

$440

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

Showing 1-10 of 47 results
1
2
3
...
5

Best time to book a flight from Ontario to Houston

Have a flexible travel schedule? Discover the best time to fly to Houston from Ontario 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 Ontario to Houston

What is the cheapest month to book a flight from Region of Ontario to Houston?

Currently, September is the cheapest month in which you can book a flight from Region of Ontario to Houston (average of $230). Flying from Region of Ontario to Houston in March is currently the most expensive (average of $331). 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 ON to HOU?

Find hourly flight availability from Ontario to Houston. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated julio 31, 2025.

When flying from Region of Ontario to Houston, 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 Region of Ontario to Houston?

Reviews of airlines servicing Houston

Get insights into the airlines that provide service to Houston. 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 Houston. Reviews last updated julio 31, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Delta, and United Airlines from Ontario to Houston 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
10,000 reviews

Comfort

7.8

Overall

8.0

Boarding

8.1

Crew

8.5

Entertainment

7.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

YEG - SEA

Alaska airline excellent airline pilot smooth, landing, crew staff very nice friendly behave
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Overall

8.0

Boarding

8.1

Crew

8.5

Entertainment

7.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

YEG - SEA

Alaska airline excellent airline pilot smooth, landing, crew staff very nice friendly behave
Delta
8.0
Very good
7,981 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Overall

8.0

Boarding

8.1

Crew

8.5

Entertainment

7.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

YEG - SEA

Alaska airline excellent airline pilot smooth, landing, crew staff very nice friendly behave
United Airlines
7.4
Good
8,900 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Overall

8.0

Boarding

8.1

Crew

8.5

Entertainment

7.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

YEG - SEA

Alaska airline excellent airline pilot smooth, landing, crew staff very nice friendly behave
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Overall

8.0

Boarding

8.1

Crew

8.5

Entertainment

7.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

YEG - SEA

Alaska airline excellent airline pilot smooth, landing, crew staff very nice friendly behave
WestJet
7.2
Good
2,978 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Overall

8.0

Boarding

8.1

Crew

8.5

Entertainment

7.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

YEG - SEA

Alaska airline excellent airline pilot smooth, landing, crew staff very nice friendly behave

Related info for your journey

Find useful and relevant information for your journey from Ontario to Houston. 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 Region of Ontario to Houston one-way?

    $221 is the cheapest one-way deal found within the past few days, from Delta. You may also be able to find cheap deals on WestJet and Air Canada, with prices starting from $240 and $257, respectively.

  • What are the most popular routes from Region of Ontario to Houston?

    When deciding which route to take from Region of Ontario to Houston consider Toronto Pearson Intl - Houston Hobby, Toronto Pearson Intl - Houston George Bush Intcntl or Montreal Pierre Elliott Trudeau Intl - Houston Hobby as they are the most popular.

  • Can I find deals for flights from Ontario to Houston that include hotel bookings?

    Yes. In addition to deals on Ontario to Houston flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ontario to Houston?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Houston.

  • Can I find deals for business class flights from Ontario to Houston?

    Yes. Cheapflights offers flight deals from Ontario to Houston 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 Region of Ontario to Houston?

    Currently, September is the cheapest month in which you can book a flight from Region of Ontario to Houston (average of $230). Flying from Region of Ontario to Houston in March is currently the most expensive (average of $331). 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.

Alternative routes for Ontario to Houston

See prices for flight routes from nearby airports that may be better suited for you.
Pearson Intl to Dallas/Fort Worth flights
Pearson Intl to Hobby flights
Pearson Intl to George Bush Intcntl flights
Vancouver Intl to Dallas/Fort Worth flights
Pearson Intl to Austin flights
Toronto Island to Dallas/Fort Worth flights
Pierre Elliott Trudeau Intl to Dallas/Fort Worth flights
Vancouver Intl to George Bush Intcntl flights
Vancouver Intl to Hobby flights
Calgary to Hobby flights
Calgary to George Bush Intcntl flights
Pearson Intl to Love Field flights
Pierre Elliott Trudeau Intl to Hobby flights
Pierre Elliott Trudeau Intl to George Bush Intcntl flights
Calgary to Dallas/Fort Worth flights
Pierre Elliott Trudeau Intl to Austin flights
Edmonton to Hobby flights
Vancouver Intl to Austin flights
Toronto Island to George Bush Intcntl flights
Pearson Intl to San Antonio flights
Edmonton to Dallas/Fort Worth flights
Edmonton to George Bush Intcntl flights
Ottawa to Dallas/Fort Worth flights
Vancouver Intl to Love Field flights
Pierre Elliott Trudeau Intl to Love Field flights
Calgary to Austin flights
Winnipeg to Dallas/Fort Worth flights
Ottawa to George Bush Intcntl flights
Victoria to Dallas/Fort Worth flights
Ottawa to Hobby flights
Victoria to Austin flights
Québec City to Dallas/Fort Worth flights
Hamilton to George Bush Intcntl flights
Winnipeg to Hobby flights
Halifax to Dallas/Fort Worth flights
Vancouver Intl to San Antonio flights
Edmonton to Love Field flights
Ottawa to Love Field flights
Saskatoon to Dallas/Fort Worth flights
Saskatoon to Hobby flights
Pierre Elliott Trudeau Intl to San Antonio flights
Regina to Dallas/Fort Worth flights
Pearson Intl to El Paso flights
Calgary to San Antonio flights
Calgary to Love Field flights
Hamilton to Austin flights
Ottawa to Austin flights
Saskatoon to Love Field flights
Pierre Elliott Trudeau Intl to El Paso flights

Top 3 airlines flying from Ontario to Houston

Discover the top 3 airlines that operate flights from Ontario to Houston. 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 julio 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$245Average$580FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$269Average$482FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$444Average$636FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.