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George Bush Intcntl

$133+ 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 1/14. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — IAH
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
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 December 18, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/15. 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.
Wed 12/317:15 amYYZ - IAH
2 stops16h 40mMultiple Airlines
Wed 1/78:13 pmIAH - YYZ
1 stop26h 58mMultiple Airlines
Deal found 12/15$396
This Kiwi.com deal was found by Cheapflights users on 12/16. 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 12/247:45 amYYZ - IAH
2 stops40h 42mMultiple Airlines
Wed 1/147:45 amIAH - YYZ
1 stop13h 27mMultiple Airlines
Deal found 12/16$482
This Kiwi.com deal was found by Cheapflights users on 12/16. 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 12/198:20 pmYYZ - IAH
2 stops24h 18mMultiple Airlines
Thu 1/224:35 pmIAH - YYZ
1 stop21h 05mMultiple Airlines
Deal found 12/16$490
This American Airlines deal was found by Cheapflights users on 12/16. 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.
Wed 12/311:10 pmYYZ - IAH
1 stop12h 48mAmerican Airlines
Wed 1/78:00 amIAH - YYZ
1 stop7h 19mAmerican Airlines
Deal found 12/16$506
This Kiwi.com deal was found by Cheapflights users on 12/16. 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 12/317:00 amYUL - IAH
2 stops17h 59mMultiple Airlines
Thu 1/151:35 pmIAH - YUL
1 stop22h 57mMultiple Airlines
Deal found 12/16$525
This Kiwi.com deal was found by Cheapflights users on 12/16. 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 12/217:10 amYYZ - IAH
2 stops16h 31mMultiple Airlines
Thu 1/151:35 pmIAH - YYZ
1 stop9h 51mMultiple Airlines
Deal found 12/16$526
This Kiwi.com deal was found by Cheapflights users on 12/16. 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 12/249:15 amYTZ - IAH
1 stop9h 08mMultiple Airlines
Wed 1/147:45 amIAH - YTZ
2 stops13h 18mMultiple Airlines
Deal found 12/16$536
This Mytrip deal was found by Cheapflights users on 12/15. 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.
Tue 12/306:45 amYUL - IAH
2 stops18h 14mMultiple Airlines
Thu 1/812:16 pmIAH - YUL
2 stops35h 27mMultiple Airlines
Deal found 12/15$557
This Mytrip deal was found by Cheapflights users on 12/15. 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.
Tue 12/306:45 amYUL - IAH
2 stops18h 14mMultiple Airlines
Sat 1/109:33 pmIAH - YUL
2 stops32h 32mMultiple Airlines
Deal found 12/15$580
This FlightHub deal was found by Cheapflights users on 12/16. 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.
Wed 12/316:10 amYYZ - IAH
1 stop16h 05mWestJet
Wed 1/76:20 pmIAH - YYZ
2 stops28h 18mWestJet
Deal found 12/16$597
This Kiwi.com deal was found by Cheapflights users on 12/15. 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.
Mon 12/2912:37 pmYUL - IAH
2 stops21h 23mMultiple Airlines
Sat 1/318:18 pmIAH - YUL
1 stop27h 12mMultiple Airlines
Deal found 12/15$616
This Mytrip deal was found by Cheapflights users on 12/15. 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.
Mon 12/296:45 amYUL - IAH
3 stops19h 09mMultiple Airlines
Thu 1/812:16 pmIAH - YUL
2 stops35h 27mMultiple Airlines
Deal found 12/15$631

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 December 18, 2025.

Round-trip from

$225
(FlightHub)

One-way from

$133
(Trip.com)

Popular in

December

Cheapest in

April

Average price

$579

Good round-trip deal

$468 or less

Good one-way deal

$273 or less
From Ontario to Houston George Bush Intcntl
Search Deals
One-way flight from Ontario to Houston George Bush Intcntl
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Highest demand for flights based on searches. 6% potential increase in price ($36 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 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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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 December 18, 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

HamiltonHouston

YHM - IAH

YHMIAH

Hamilton

Tue 1/13

5:45 am-5:29 pm

1 stop12h 44m

Houston George Bush Intcntl

Tue 1/20

6:20 pm-5:17 pm

1 stop21h 57m

$226

HamiltonHouston

YHM - IAH

YHMIAH

Hamilton

Wed 1/14

7:25 am-8:23 pm

1 stop13h 58m

Houston George Bush Intcntl

Wed 1/21

6:20 pm-5:17 pm

1 stop21h 57m

$229

HamiltonHouston

YHM - IAH

YHMIAH

Hamilton

Thu 1/15

6:10 pm-12:44 pm

1 stop19h 34m

Houston George Bush Intcntl

Wed 1/21

6:20 pm-5:17 pm

1 stop21h 57m

$231

HamiltonHouston

YHM - IAH

YHMIAH

Hamilton

Wed 1/14

6:10 pm-12:44 pm

1 stop19h 34m

Houston George Bush Intcntl

Thu 1/22

6:20 pm-1:22 pm

1 stop18h 02m

$235

HamiltonHouston

YHM - IAH

YHMIAH

Hamilton

Mon 1/26

7:25 am-8:23 pm

1 stop13h 58m

Houston George Bush Intcntl

Thu 1/29

5:46 am-3:00 pm

1 stop8h 14m

$238

HamiltonHouston

YHM - IAH

YHMIAH

Hamilton

Wed 1/14

6:10 pm-12:44 pm

1 stop19h 34m

Houston George Bush Intcntl

Wed 1/21

6:20 pm-5:17 pm

1 stop21h 57m

$238

HamiltonHouston

YHM - IAH

YHMIAH

Hamilton

Fri 1/16

7:00 am-6:58 pm

1 stop12h 58m

Houston George Bush Intcntl

Wed 1/21

6:20 pm-5:17 pm

1 stop21h 57m

$240

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Sun 1/25

4:20 pm-8:23 pm

3 stops29h 03m

Houston George Bush Intcntl

Sun 2/1

8:19 pm-12:39 am

2 stops27h 20m

$259

HamiltonHouston

YHM - IAH

YHMIAH

Hamilton

Wed 1/28

6:10 pm-12:44 pm

1 stop19h 34m

Houston George Bush Intcntl

Wed 2/4

6:20 pm-5:16 pm

1 stop21h 56m

$260

HamiltonHouston

YHM - IAH

YHMIAH

Hamilton

Thu 1/22

7:25 am-8:23 pm

1 stop13h 58m

Houston George Bush Intcntl

Tue 2/3

7:50 am-3:00 pm

2 stops30h 10m

$265

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/15

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, October is the cheapest month in which you can book a flight from Region of Ontario to Houston George Bush Intcntl Airport (average of $273). Flying from Region of Ontario to Houston George Bush Intcntl Airport in September is currently the most expensive (average of $408). 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 December 18, 2025.

When flying from Region of Ontario to Houston George Bush Intcntl Airport, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 11% versus a flight in the afternoon.

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 December 18, 2025.

The most flights from CAON to IAH are scheduled on a Monday (10 on average). You will have fewer flight options on Saturday, 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 $468, WestJet can have you in Houston George Bush Intcntl Airport from Region of Ontario in 11h 57m. 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 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 (84%), Air Canada (76%) or United Airlines (76%) 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 $163. On average you can expect to pay $764. The most popular route, (Toronto Pearson Intl - Houston George Bush Intcntl), can usually be booked for $205.

  • 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, October is the cheapest month in which you can book a flight from Region of Ontario to Houston George Bush Intcntl Airport (average of $273). Flying from Region of Ontario to Houston George Bush Intcntl Airport in September is currently the most expensive (average of $408). 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
Spring
Montgomery
Katy
The Woodlands
Tomball
Jersey Village
Humble
Conroe
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 December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$410Average$556FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$438Average$641FlexibilityNo cancel feeOn-time69%

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