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George Bush Intcntl

$139+ 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 6/30. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — IAH
May 9 — May 161
Sat 5/9
Sat 5/16
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 April 9, 2026.

This Kiwi.com deal was found by Cheapflights users on 4/8. 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 4/247:00 am
YOW
-
IAH
1 stop8h 46m
Multiple Airlines
Thu 4/309:46 am
IAH
-
YOW
1 stop13h 39m
Multiple Airlines
Deal found 4/8$303
This Kiwi.com deal was found by Cheapflights users on 4/6. 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 4/167:00 am
YOW
-
IAH
1 stop9h 11m
Multiple Airlines
Thu 4/239:46 am
IAH
-
YOW
1 stop13h 39m
Multiple Airlines
Deal found 4/6$330
This Kiwi.com deal was found by Cheapflights users on 4/6. 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 4/136:45 am
YUL
-
IAH
2 stops26h 55m
Multiple Airlines
Tue 4/216:57 pm
IAH
-
YUL
1 stop28h 33m
Multiple Airlines
Deal found 4/6$333
This Mytrip deal was found by Cheapflights users on 4/4. 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.
Sun 4/198:00 am
YUL
-
IAH
2 stops28h 11m
Multiple Airlines
Tue 4/2110:09 am
IAH
-
YUL
1 stop13h 21m
Multiple Airlines
Deal found 4/4$334
This Kiwi.com deal was found by Cheapflights users on 4/6. 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 5/47:15 pm
YUL
-
IAH
1 stop20h 46m
Multiple Airlines
Mon 5/115:29 pm
IAH
-
YUL
1 stop19h 39m
Multiple Airlines
Deal found 4/6$336
This Kiwi.com deal was found by Cheapflights users on 4/6. 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 5/57:15 pm
YUL
-
IAH
1 stop20h 59m
Multiple Airlines
Tue 6/26:50 am
IAH
-
YUL
1 stop6h 18m
Multiple Airlines
Deal found 4/6$337
This Kiwi.com deal was found by Cheapflights users on 4/4. 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 4/2510:20 am
YUL
-
IAH
2 stops12h 30m
Multiple Airlines
Mon 5/46:50 am
IAH
-
YUL
1 stop6h 18m
Multiple Airlines
Deal found 4/4$339
This Kiwi.com deal was found by Cheapflights users on 4/6. 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 4/294:35 pm
YUL
-
IAH
1 stop18h 08m
Multiple Airlines
Mon 5/45:29 pm
IAH
-
YUL
2 stops30h 08m
Multiple Airlines
Deal found 4/6$341
This Kiwi.com deal was found by Cheapflights users on 4/5. 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 6/158:15 am
YHM
-
IAH
2 stops48h 04m
Multiple Airlines
Mon 6/226:00 am
IAH
-
YHM
1 stop8h 55m
Multiple Airlines
Deal found 4/5$342
This Kiwi.com deal was found by Cheapflights users on 4/6. 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 4/136:45 am
YUL
-
IAH
2 stops26h 55m
Multiple Airlines
Mon 4/207:48 pm
IAH
-
YUL
1 stop27h 42m
Multiple Airlines
Deal found 4/6$344
This Kiwi.com deal was found by Cheapflights users on 4/6. 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 4/167:00 am
YOW
-
IAH
1 stop9h 11m
Multiple Airlines
Mon 4/203:24 pm
IAH
-
YOW
1 stop25h 01m
Multiple Airlines
Deal found 4/6$347
This Kiwi.com deal was found by Cheapflights users on 4/7. 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 5/57:15 pm
YUL
-
IAH
1 stop20h 59m
Multiple Airlines
Tue 5/126:50 am
IAH
-
YUL
1 stop6h 18m
Multiple Airlines
Deal found 4/7$348

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 April 9, 2026.

Round-trip from

$303
(Kiwi.com)

One-way from

$139
(Kiwi.com)

Popular in

March

Cheapest in

October

Average price

$518

Good round-trip deal

$455 or less

Good one-way deal

$287 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. 4% potential increase in price ($25 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($8 potential savings vs. average RT price).
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Average for round-trip flights in April 2026
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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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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 April 9, 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

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HamiltonHouston

YHM - IAH

YHMIAH

Hamilton

Mon 4/20

7:25 am-10:47 pm

1 stop16h 22m

Houston George Bush Intcntl

Sun 4/26

1:58 pm-3:00 pm

2 stops24h 02m

$349

TorontoHouston

YTZ - IAH

YTZIAH

Toronto Island

Wed 5/6

11:55 am-9:03 am

3 stops22h 08m

Houston George Bush Intcntl

Tue 5/12

6:50 am-9:30 pm

1 stop13h 40m

$368

TorontoHouston

YKF - IAH

YKFIAH

Toronto Region of Waterloo Intl

Tue 4/21

6:20 am-5:30 pm

1 stop12h 10m

Houston George Bush Intcntl

Fri 4/24

6:20 pm-5:29 am

1 stop10h 09m

$394

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Wed 6/17

9:05 am-3:14 pm

1 stop7h 09m

Houston George Bush Intcntl

Thu 6/18

12:30 pm-12:20 am

2 stops10h 50m

$412

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Thu 5/28

7:00 am-6:33 pm

2 stops12h 33m

Houston George Bush Intcntl

Sun 5/31

6:50 am-12:20 pm

1 stop28h 30m

$415

TorontoHouston

YTZ - IAH

YTZIAH

Toronto Island

Wed 5/6

8:55 am-10:50 pm

2 stops14h 55m

Houston George Bush Intcntl

Wed 5/13

5:45 am-6:00 pm

2 stops11h 15m

$429

HamiltonHouston

YHM - IAH

YHMIAH

Hamilton

Thu 6/11

6:10 pm-1:55 pm

1 stop20h 45m

Houston George Bush Intcntl

Mon 6/15

6:30 am-5:15 pm

1 stop9h 45m

$432

TorontoHouston

YTZ - IAH

YTZIAH

Toronto Island

Mon 5/4

7:00 am-3:14 pm

1 stop9h 14m

Houston George Bush Intcntl

Mon 5/11

6:50 am-3:05 pm

1 stop7h 15m

$433

TorontoHouston

YTZ - IAH

YTZIAH

Toronto Island

Fri 5/1

10:00 am-11:59 pm

2 stops14h 59m

Houston George Bush Intcntl

Sun 5/3

6:05 am-1:12 pm

2 stops30h 07m

$434

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Tue 6/2

9:05 am-11:36 pm

2 stops15h 31m

Houston George Bush Intcntl

Sun 6/7

6:50 am-12:20 pm

1 stop28h 30m

$442

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/5

Showing 1-10 of 60 resultsSorted by cheapest first
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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 $264). Flying from Region of Ontario to Houston George Bush Intcntl Airport in February is currently the most expensive (average of $378). 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 April 9, 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 April 9, 2026.

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 (8 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 $394, WestJet can have you in Houston George Bush Intcntl Airport from Region of Ontario in 12h 10m. Airlines will cover a distance of 1241 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?

    $191 is the cheapest one-way deal found within the past few days, from American Airlines. You may also be able to find cheap deals on Air Canada and Delta, with prices starting from $214 and $234, 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 (83%), Air Canada (75%) or United Airlines (75%) 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 $239. On average you can expect to pay $675. The most popular route, (Toronto Pearson Intl - Houston George Bush Intcntl), can usually be booked for $271.

  • 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 $264). Flying from Region of Ontario to Houston George Bush Intcntl Airport in February is currently the most expensive (average of $378). 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
Katy
The Woodlands
Spring
Montgomery
Tomball
Jersey Village
Humble
Cypress
Conroe

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 April 9, 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$404Average$594FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$438Average$642FlexibilityNo cancel feeOn-time69%

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