HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Houston

$156+ 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 10/7. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — HOU
oct. 15 — oct. 221
mié. 10/15
mié. 10/22
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 septiembre 15, 2025.

Round-trip from

$255
(oojo)

One-way from

$156
(Kiwi.com)

Popular in

September

Cheapest in

October

Average price

$541
From Ontario to Houston
Search Deals
One-way flight from Ontario to Houston
Search Deals
Highest demand for flights based on searches. 1% potential increase in price ($8 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 0% potential price decrease ($5 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 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 septiembre 15, 2025.

This oojo deal was found by Cheapflights users on 9/14. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 11/256:00 amYOW - IAH
1 stop12h 29mWestJet
jue. 11/271:35 pmIAH - YOW
1 stop10h 05mWestJet
Deal found 9/14$255
This Kiwi.com deal was found by Cheapflights users on 9/14. 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. 10/234:25 pmYOW - IAH
1 stop15h 39mMultiple Airlines
vie. 10/311:35 pmIAH - YOW
1 stop10h 05mMultiple Airlines
Deal found 9/14$287
This Kiwi.com deal was found by Cheapflights users on 9/14. 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. 10/98:00 amYYZ - IAH
2 stops15h 43mMultiple Airlines
jue. 10/168:37 pmIAH - YYZ
1 stop25h 03mMultiple Airlines
Deal found 9/14$290
This Kiwi.com deal was found by Cheapflights users on 9/13. 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.
dom. 10/1212:00 pmYTZ - IAH
2 stops13h 28mMultiple Airlines
sáb. 10/181:39 pmIAH - YTZ
1 stop21h 38mMultiple Airlines
Deal found 9/13$291
This Kiwi.com deal was found by Cheapflights users on 9/14. 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. 10/64:00 pmYYZ - IAH
1 stop19h 47mMultiple Airlines
dom. 10/124:30 pmIAH - YYZ
2 stops31h 13mMultiple Airlines
Deal found 9/14$291
This Kiwi.com deal was found by Cheapflights users on 9/14. 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.
dom. 10/121:30 pmYYZ - IAH
1 stop10h 13mMultiple Airlines
dom. 10/198:37 pmIAH - YYZ
1 stop26h 18mMultiple Airlines
Deal found 9/14$292
This FlightHub deal was found by Cheapflights users on 9/15. 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. 10/98:00 amYYZ - IAH
2 stops15h 43mWestJet
mié. 10/223:00 pmIAH - YYZ
2 stops13h 51mWestJet
Deal found 9/15$293
This Mytrip deal was found by Cheapflights users on 9/15. 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.
jue. 10/167:40 amYYZ - IAH
3 stops17h 48mMultiple Airlines
lun. 10/208:10 pmIAH - YYZ
1 stop16h 55mMultiple Airlines
Deal found 9/15$294
This Kiwi.com deal was found by Cheapflights users on 9/15. 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. 10/319:30 amYOW - IAH
1 stop25h 03mMultiple Airlines
lun. 11/31:35 pmIAH - YOW
1 stop10h 05mMultiple Airlines
Deal found 9/15$296
This Kiwi.com deal was found by Cheapflights users on 9/14. 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.
mar. 9/237:15 amYYZ - IAH
1 stop9h 21mMultiple Airlines
sáb. 9/275:48 pmIAH - YYZ
1 stop28h 53mMultiple Airlines
Deal found 9/14$296
This FlightHub deal was found by Cheapflights users on 9/14. 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. 10/98:00 amYYZ - IAH
2 stops15h 43mWestJet
mar. 10/213:00 pmIAH - YYZ
2 stops13h 51mWestJet
Deal found 9/14$297
This Kiwi.com deal was found by Cheapflights users on 9/15. 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. 11/712:50 pmYYZ - IAH
1 stop21h 43mMultiple Airlines
dom. 11/166:18 pmIAH - YYZ
2 stops25h 49mMultiple Airlines
Deal found 9/15$298

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 septiembre 15, 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

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

mar. 11/25

6:00 am-5:29 pm

1 stop12h 29m

Houston George Bush Intcntl

jue. 11/27

1:35 pm-12:40 am

1 stop10h 05m

$255

TorontoHouston

YTZ - IAH

YTZIAH

Toronto Island

dom. 10/12

12:00 pm-12:28 am

2 stops13h 28m

Houston George Bush Intcntl

sáb. 10/18

1:39 pm-12:17 pm

1 stop21h 38m

$291

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

jue. 11/27

6:00 am-5:29 pm

1 stop12h 29m

Houston George Bush Intcntl

mar. 12/2

6:20 pm-4:53 pm

1 stop21h 33m

$301

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

jue. 10/23

7:00 am-11:23 pm

2 stops17h 23m

Houston George Bush Intcntl

vie. 10/31

1:35 pm-12:40 am

1 stop10h 05m

$306

TorontoHouston

YTZ - IAH

YTZIAH

Toronto Island

mié. 10/15

12:00 pm-12:28 am

2 stops13h 28m

Houston George Bush Intcntl

dom. 10/26

9:04 pm-1:10 pm

1 stop15h 06m

$309

TorontoHouston

YTZ - IAH

YTZIAH

Toronto Island

mié. 10/15

12:00 pm-12:28 am

2 stops13h 28m

Houston George Bush Intcntl

dom. 10/19

6:00 am-9:43 pm

2 stops14h 43m

$309

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

dom. 10/12

3:50 pm-12:28 am

1 stop9h 38m

Houston George Bush Intcntl

dom. 10/19

6:00 am-5:20 pm

1 stop10h 20m

$316

MontrealHouston

YUL - IAH

YULIAH

Montreal Pierre Elliott Trudeau Intl

dom. 10/26

10:15 am-8:55 am

3 stops23h 40m

Houston George Bush Intcntl

mié. 10/29

6:00 am-3:10 pm

1 stop8h 10m

$321

TorontoHouston

YKF - IAH

YKFIAH

Toronto Region of Waterloo Intl

vie. 10/24

6:00 am-10:43 pm

1 stop17h 43m

Houston George Bush Intcntl

dom. 11/2

6:20 pm-5:28 am

1 stop10h 08m

$324

TorontoHouston

YTZ - IAH

YTZIAH

Toronto Island

mar. 10/28

2:05 pm-12:28 am

2 stops11h 23m

Houston George Bush Intcntl

mar. 11/4

12:42 pm-10:15 pm

1 stop8h 33m

$324

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 60 results
1
2
3
...
6

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 $330). 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 septiembre 15, 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?

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.

  • How long is the flight from Region of Ontario to Houston?

    There are many flights that can get you from Region of Ontario to Houston in 9h 45m. Fly via WestJet, United Airlines, or Delta to get the fastest option. There are 1280 mi between Region of Ontario and Houston. This flight may include one or multiple stops.

  • 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 $330). 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
Pierre Elliott Trudeau Intl to Dallas/Fort Worth flights
Vancouver Intl to Dallas/Fort Worth flights
Pearson Intl to Austin flights
Vancouver Intl to Hobby flights
Vancouver Intl to George Bush Intcntl flights
Toronto Island to Dallas/Fort Worth flights
Pierre Elliott Trudeau Intl to Hobby flights
Calgary to Hobby flights
Pierre Elliott Trudeau Intl to George Bush Intcntl flights
Calgary to George Bush Intcntl flights
Pearson Intl to Love Field flights
Pierre Elliott Trudeau Intl to Austin flights
Calgary to Dallas/Fort Worth flights
Ottawa to Dallas/Fort Worth flights
Vancouver Intl to Austin flights
Edmonton to Hobby flights
Edmonton to George Bush Intcntl flights
Ottawa to Hobby flights
Calgary to Austin flights
Pierre Elliott Trudeau Intl to Love Field flights
Québec City to Dallas/Fort Worth flights
Toronto Island to George Bush Intcntl flights
Winnipeg to Dallas/Fort Worth flights
Vancouver Intl to Love Field flights
Ottawa to George Bush Intcntl flights
Edmonton to Dallas/Fort Worth flights
Vancouver Intl to San Antonio flights
Winnipeg to Hobby flights
Pearson Intl to San Antonio flights
Winnipeg to George Bush Intcntl flights
Saskatoon to Dallas/Fort Worth flights
Regina to Hobby flights
Calgary to Love Field flights
Ottawa to Austin flights
Victoria to Austin flights
Victoria to Dallas/Fort Worth flights
Halifax to Dallas/Fort Worth flights
Regina to Dallas/Fort Worth flights
Hamilton to George Bush Intcntl flights
Halifax to Hobby flights
Halifax to George Bush Intcntl flights
Edmonton to San Antonio flights
Edmonton to Austin flights
Pearson Intl to El Paso flights
Pierre Elliott Trudeau Intl to San Antonio flights
Winnipeg to Love Field 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 septiembre 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$245Average$579FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$269Average$482FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$420Average$621FlexibilityNo 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.