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George Bush Intcntl

$143+ 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 3/22. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — IAH
Mar 14 — Mar 211
Sat 3/14
Sat 3/21
1 adult, Economy
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Cheap 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 February 12, 2026.

This Trip.com deal was found by Cheapflights users on 2/11. 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.
Wed 3/47:25 am
YHM
-
IAH
1 stop13h 58m
Multiple Airlines
Wed 3/185:45 am
IAH
-
YHM
1 stop8h 15m
Multiple Airlines
Deal found 2/11$275
This Kiwi.com deal was found by Cheapflights users on 2/10. 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 2/263:40 pm
YYZ
-
IAH
1 stop9h 38m
Multiple Airlines
Tue 3/37:58 am
IAH
-
YYZ
2 stops14h 13m
Multiple Airlines
Deal found 2/10$298
This Kiwi.com deal was found by Cheapflights users on 2/9. 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 3/313:40 pm
YYZ
-
IAH
1 stop9h 19m
Multiple Airlines
Tue 4/76:46 am
IAH
-
YYZ
2 stops12h 24m
Multiple Airlines
Deal found 2/9$299
This Kiwi.com deal was found by Cheapflights users on 2/10. 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 2/237:10 am
YYZ
-
IAH
1 stop12h 18m
Multiple Airlines
Wed 3/49:16 am
IAH
-
YYZ
2 stops11h 59m
Multiple Airlines
Deal found 2/10$300
This Trip.com deal was found by Cheapflights users on 2/9. 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.
Wed 3/43:40 pm
YYZ
-
IAH
1 stop9h 38m
Multiple Airlines
Wed 3/116:30 am
IAH
-
YYZ
2 stops15h 50m
Multiple Airlines
Deal found 2/9$301
This Kiwi.com deal was found by Cheapflights users on 2/10. 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 2/253:40 pm
YYZ
-
IAH
1 stop9h 38m
Multiple Airlines
Wed 3/49:16 am
IAH
-
YYZ
2 stops11h 59m
Multiple Airlines
Deal found 2/10$304
This Kiwi.com deal was found by Cheapflights users on 2/10. 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 2/267:40 am
YYZ
-
IAH
1 stop14h 36m
Multiple Airlines
Wed 3/47:58 am
IAH
-
YYZ
1 stop10h 57m
Multiple Airlines
Deal found 2/10$305
This Kiwi.com deal was found by Cheapflights users on 2/9. 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 3/208:00 pm
YYZ
-
IAH
1 stop10h 52m
Multiple Airlines
Fri 3/279:26 am
IAH
-
YYZ
1 stop12h 54m
Multiple Airlines
Deal found 2/9$306
This Kiwi.com deal was found by Cheapflights users on 2/11. 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 3/2310:15 am
YYZ
-
IAH
1 stop10h 53m
Multiple Airlines
Wed 3/257:05 am
IAH
-
YYZ
2 stops12h 05m
Multiple Airlines
Deal found 2/11$307
This Kiwi.com deal was found by Cheapflights users on 2/12. 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 3/37:15 am
YYZ
-
IAH
1 stop14h 30m
Multiple Airlines
Wed 3/49:40 pm
IAH
-
YYZ
1 stop25h 34m
Multiple Airlines
Deal found 2/12$308
This Kiwi.com deal was found by Cheapflights users on 2/10. 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 2/2610:05 am
YYZ
-
IAH
1 stop12h 11m
Multiple Airlines
Wed 3/117:21 am
IAH
-
YYZ
1 stop14h 59m
Multiple Airlines
Deal found 2/10$311
This Kiwi.com deal was found by Cheapflights users on 2/10. 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 4/77:00 am
YOW
-
IAH
1 stop11h 32m
Multiple Airlines
Fri 4/171:58 pm
IAH
-
YOW
2 stops33h 41m
Multiple Airlines
Deal found 2/10$313

Find 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 February 12, 2026.

Round-trip from

$275
(Trip.com)

One-way from

$143
(Trip.com)

Popular in

February

Cheapest in

April

Average price

$582

Good round-trip deal

$409 or less

Good one-way deal

$281 or less
From Ontario to Houston George Bush Intcntl
Search Deals
One-way flight from Ontario to Houston George Bush Intcntl
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($41 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 0% potential price decrease ($6 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals
Price to beat on a round-trip flight from Ontario to Houston George Bush Intcntl.
Search Deals
Price to beat on a one-way flight from Ontario to Houston George Bush Intcntl.
Search Deals

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 February 12, 2026.
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

HamiltonHouston

YHM - IAH

YHMIAH

Hamilton

Wed 3/4

7:25 am-8:23 pm

1 stop13h 58m

Houston George Bush Intcntl

Wed 3/18

5:45 am-3:00 pm

1 stop8h 15m

$275

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Tue 4/7

7:00 am-5:32 pm

1 stop11h 32m

Houston George Bush Intcntl

Fri 4/17

1:58 pm-12:39 am

2 stops33h 41m

$313

TorontoHouston

YKF - IAH

YKFIAH

Toronto Region of Waterloo Intl

Mon 3/9

6:20 am-5:30 pm

1 stop12h 10m

Houston George Bush Intcntl

Mon 3/16

6:20 pm-5:29 am

1 stop10h 09m

$314

TorontoHouston

YTZ - IAH

YTZIAH

Toronto Island

Wed 4/1

3:45 pm-12:30 am

1 stop9h 45m

Houston George Bush Intcntl

Wed 4/8

6:46 am-6:55 pm

1 stop11h 09m

$315

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Tue 3/3

4:15 pm-8:00 am

1 stop16h 45m

Houston George Bush Intcntl

Tue 3/10

9:40 pm-5:17 pm

1 stop18h 37m

$320

TorontoHouston

YKF - IAH

YKFIAH

Toronto Region of Waterloo Intl

Thu 3/12

6:20 am-5:30 pm

1 stop12h 10m

Houston George Bush Intcntl

Mon 3/16

6:20 pm-5:29 am

1 stop10h 09m

$322

TorontoHouston

YTZ - IAH

YTZIAH

Toronto Island

Sun 4/5

9:15 am-6:14 pm

1 stop9h 59m

Houston George Bush Intcntl

Wed 4/8

6:46 am-7:50 pm

1 stop12h 04m

$326

TorontoHouston

YKF - IAH

YKFIAH

Toronto Region of Waterloo Intl

Wed 5/6

8:40 pm-10:40 pm

1 stop27h 00m

Houston George Bush Intcntl

Mon 5/11

6:30 am-7:50 pm

1 stop12h 20m

$330

TorontoHouston

YKF - IAH

YKFIAH

Toronto Region of Waterloo Intl

Tue 4/7

6:20 am-12:45 pm

1 stop31h 25m

Houston George Bush Intcntl

Wed 5/20

6:30 am-7:50 pm

1 stop12h 20m

$333

TorontoHouston

YKF - IAH

YKFIAH

Toronto Region of Waterloo Intl

Thu 6/4

8:40 pm-1:55 pm

1 stop18h 15m

Houston George Bush Intcntl

Sun 6/7

2:50 pm-7:50 pm

1 stop28h 00m

$335

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/10

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, July is the cheapest month in which you can book a flight from Region of Ontario to Houston George Bush Intcntl Airport (average of $271). Flying from Region of Ontario to Houston George Bush Intcntl Airport in September is currently the most expensive (average of $417). 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 February 12, 2026.

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 February 12, 2026.

The most flights from CAON to IAH are scheduled on a Thursday (11 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (5 on average).

How much does it cost to fly round-trip from Region of Ontario to Houston George Bush Intcntl Airport?

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 $464, WestJet can have you in Houston George Bush Intcntl Airport from Region of Ontario in 4h 39m. Airlines will cover a distance of 1582 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 Region of Ontario to Houston George Bush Intcntl Airport one-way?

    $214 is the cheapest one-way deal found within the past few days, from Air Canada. You may also be able to find cheap deals on Delta and United Airlines, with prices starting from $234 and $254, respectively.

  • 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 (86%), Air Canada (67%) or United Airlines (67%) 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 $203. On average you can expect to pay $450. The most popular route, (Toronto Pearson Intl - Houston George Bush Intcntl), can usually be booked for $232.

  • 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, July is the cheapest month in which you can book a flight from Region of Ontario to Houston George Bush Intcntl Airport (average of $271). Flying from Region of Ontario to Houston George Bush Intcntl Airport in September is currently the most expensive (average of $417). 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
The Woodlands
Spring
Katy
Tomball
Humble
Conroe
Jersey Village
Cypress

Browse thousands of different options on Cheapflights for your next trip

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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 February 12, 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$404Average$598FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$438Average$643FlexibilityNo cancel feeOn-time69%

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