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George Bush Intcntl

$156+ Cheap flights from Ontario to George Bush Intcntl (IAH)

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 — IAH
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
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Cheap flight deals from Ontario to George Bush Intcntl

Keep the following information in mind while searching for Ontario to George Bush Intcntl flight deals. Data was last updated September 15, 2025.

Round-trip from

$255
(oojo)

One-way from

$156
(Kiwi.com)

Popular in

September

Cheapest in

October

Average price

$541

Good round-trip deal

$392 or less

Good one-way deal

$219 or less
From Ontario to Houston George Bush Intcntl
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One-way flight from Ontario to Houston George Bush Intcntl
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Highest demand for flights based on searches. 1% potential increase in price ($8 potential increase over avg. RT price).
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Cheapest flight prices on average. 0% potential price decrease ($5 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from Ontario to Houston George Bush Intcntl.
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Price to beat on a one-way flight from Ontario to Houston George Bush Intcntl.
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Find flight deals from Ontario to George Bush Intcntl

Cheapest flights from Ontario to George Bush Intcntl
Explore the most affordable flight options available from Ontario to George Bush Intcntl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 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.
Tue 11/256:00 amYOW - IAH
1 stop12h 29mWestJet
Thu 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.
Thu 10/234:25 pmYOW - IAH
1 stop15h 39mMultiple Airlines
Fri 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.
Thu 10/98:00 amYYZ - IAH
2 stops15h 43mMultiple Airlines
Thu 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.
Sun 10/1212:00 pmYTZ - IAH
2 stops13h 28mMultiple Airlines
Sat 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.
Mon 10/64:00 pmYYZ - IAH
1 stop19h 47mMultiple Airlines
Sun 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.
Sun 10/121:30 pmYYZ - IAH
1 stop10h 13mMultiple Airlines
Sun 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.
Thu 10/98:00 amYYZ - IAH
2 stops15h 43mWestJet
Wed 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.
Thu 10/167:40 amYYZ - IAH
3 stops17h 48mMultiple Airlines
Mon 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.
Fri 10/319:30 amYOW - IAH
1 stop25h 03mMultiple Airlines
Mon 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.
Tue 9/237:15 amYYZ - IAH
1 stop9h 21mMultiple Airlines
Sat 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.
Thu 10/98:00 amYYZ - IAH
2 stops15h 43mWestJet
Tue 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.
Fri 11/712:50 pmYYZ - IAH
1 stop21h 43mMultiple Airlines
Sun 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 George Bush Intcntl 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 September 15, 2025.
Use the filters below to find and compare flights from Ontario to Houston George Bush Intcntl Airport that are best for you.

Fly from

Ontario

Fly to

George Bush Intcntl

Route

Depart

Return

Price

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Tue 11/25

6:00 am-5:29 pm

1 stop12h 29m

Houston George Bush Intcntl

Thu 11/27

1:35 pm-12:40 am

1 stop10h 05m

$255

TorontoHouston

YTZ - IAH

YTZIAH

Toronto Island

Sun 10/12

12:00 pm-12:28 am

2 stops13h 28m

Houston George Bush Intcntl

Sat 10/18

1:39 pm-12:17 pm

1 stop21h 38m

$291

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Thu 11/27

6:00 am-5:29 pm

1 stop12h 29m

Houston George Bush Intcntl

Tue 12/2

6:20 pm-4:53 pm

1 stop21h 33m

$301

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Thu 10/23

7:00 am-11:23 pm

2 stops17h 23m

Houston George Bush Intcntl

Fri 10/31

1:35 pm-12:40 am

1 stop10h 05m

$306

TorontoHouston

YTZ - IAH

YTZIAH

Toronto Island

Wed 10/15

12:00 pm-12:28 am

2 stops13h 28m

Houston George Bush Intcntl

Sun 10/26

9:04 pm-1:10 pm

1 stop15h 06m

$309

TorontoHouston

YTZ - IAH

YTZIAH

Toronto Island

Wed 10/15

12:00 pm-12:28 am

2 stops13h 28m

Houston George Bush Intcntl

Sun 10/19

6:00 am-9:43 pm

2 stops14h 43m

$309

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Sun 10/12

3:50 pm-12:28 am

1 stop9h 38m

Houston George Bush Intcntl

Sun 10/19

6:00 am-5:20 pm

1 stop10h 20m

$316

HamiltonHouston

YHM - IAH

YHMIAH

Hamilton

Fri 10/10

6:00 am-10:43 pm

1 stop17h 43m

Houston George Bush Intcntl

Mon 10/20

8:00 am-12:40 am

1 stop15h 40m

$318

MontrealHouston

YUL - IAH

YULIAH

Montreal Pierre Elliott Trudeau Intl

Sun 10/26

10:15 am-8:55 am

3 stops23h 40m

Houston George Bush Intcntl

Wed 10/29

6:00 am-3:10 pm

1 stop8h 10m

$321

TorontoHouston

YKF - IAH

YKFIAH

Toronto Region of Waterloo Intl

Fri 10/24

6:00 am-10:43 pm

1 stop17h 43m

Houston George Bush Intcntl

Sun 11/2

6:20 pm-5:28 am

1 stop10h 08m

$324

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 60 results
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Best time to book a flight from Ontario to George Bush Intcntl

Have a flexible travel schedule? Discover the best time to fly to George Bush Intcntl 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 George Bush Intcntl Airport

What is the cheapest month to book a flight from Region of Ontario to Houston George Bush Intcntl Airport?

Currently, August is the cheapest month in which you can book a flight from Region of Ontario to Houston George Bush Intcntl Airport (average of $241). Flying from Region of Ontario to Houston George Bush Intcntl Airport in March is currently the most expensive (average of $339). 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 IAH?

Find hourly flight availability from Ontario to George Bush Intcntl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 15, 2025.

When flying from Region of Ontario to Houston George Bush Intcntl Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from Region of Ontario to Houston George Bush Intcntl Airport

Explore weekly flight availability from Ontario to George Bush Intcntl. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated September 15, 2025.

The most flights from CAON to IAH are scheduled on a Monday (12 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (11 on average).

Related info for your journey

Find useful and relevant information for your journey from Ontario to George Bush Intcntl. 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 George Bush Intcntl Airport?

    For as low as $404, WestJet can have you in Houston George Bush Intcntl Airport from Region of Ontario in 9h 45m. Airlines will cover 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 most popular routes from Region of Ontario to Houston George Bush Intcntl Airport?

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

  • What are the most reliable airlines from Region of Ontario to Houston George Bush Intcntl Airport?

    No one likes to see their flight delayed. When booking a flight from Region of Ontario to Houston George Bush Intcntl Airport consider choosing Air New Zealand (83%), Air Canada (69%) or United Airlines (69%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Region of Ontario to Houston George Bush Intcntl Airport?

    The cheapest flight price from Region of Ontario to Houston George Bush Intcntl Airport is $188. On average you can expect to pay $646. The most popular route, (Toronto Pearson Intl - Houston George Bush Intcntl), can usually be booked for $216.

  • Can I find deals for flights from Ontario to George Bush Intcntl that include hotel bookings?

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

  • How can I find direct flights from Ontario to George Bush Intcntl?

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

  • Can I find deals for business class flights from Ontario to George Bush Intcntl?

    Yes. Cheapflights offers flight deals from Ontario to George Bush Intcntl 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 George Bush Intcntl Airport?

    Currently, August is the cheapest month in which you can book a flight from Region of Ontario to Houston George Bush Intcntl Airport (average of $241). Flying from Region of Ontario to Houston George Bush Intcntl Airport in March is currently the most expensive (average of $339). 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

Traveling to a place near Houston George Bush Intcntl Airport?

Book flights to Houston George Bush Intcntl Airport if you plan to visit one of these locations
Montgomery
Spring
Jersey Village
Humble
The Woodlands
Conroe
Tomball
Katy
Cypress

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Alternative routes for Ontario to George Bush Intcntl

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from Ontario to George Bush Intcntl

Discover the top 2 airlines that operate flights from Ontario to George Bush Intcntl. 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 September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$383Average$542FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$454Average$576FlexibilityNo cancel feeOn-time69%

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