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George Bush Intcntl

$229+ 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 8/19. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — IAH
Aug 7 — Aug 141
Fri 8/7
Fri 8/14
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 July 8, 2026.

This Kiwi.com deal was found by Cheapflights users on 7/4. 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.
Tue 8/116:30 am
YYZ
-
IAH
1 stop9h 35m
Multiple Airlines
Tue 8/181:45 pm
IAH
-
YYZ
1 stop29h 20m
Multiple Airlines
Deal found 7/4$416
This Kiwi.com deal was found by Cheapflights users on 7/4. 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 8/229:15 am
YTZ
-
IAH
2 stops23h 05m
Multiple Airlines
Mon 8/319:58 pm
IAH
-
YTZ
1 stop15h 27m
Multiple Airlines
Deal found 7/4$417
This Kiwi.com deal was found by Cheapflights users on 7/8. 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.
Wed 8/129:30 am
YYZ
-
IAH
2 stops13h 59m
Multiple Airlines
Tue 8/187:55 pm
IAH
-
YYZ
1 stop9h 44m
Multiple Airlines
Deal found 7/8$418
This American Airlines deal was found by Cheapflights users on 7/8. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/147:20 am
YYZ
-
IAH
1 stop9h 25m
American Airlines
Sat 8/1511:24 am
IAH
-
YYZ
1 stop11h 05m
American Airlines
Deal found 7/8$419
This Kiwi.com deal was found by Cheapflights users on 7/6. 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.
Sat 8/226:30 am
YYZ
-
IAH
1 stop9h 54m
Multiple Airlines
Mon 8/314:32 pm
IAH
-
YYZ
2 stops20h 33m
Multiple Airlines
Deal found 7/6$420
This FlightHub deal was found by Cheapflights users on 7/6. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1012:40 pm
YYZ
-
IAH
2 stops11h 00m
WestJet
Mon 9/146:30 am
IAH
-
YYZ
2 stops12h 25m
WestJet
Deal found 7/6$421
This Kiwi.com deal was found by Cheapflights users on 7/3. 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 8/296:30 am
YYZ
-
IAH
1 stop9h 54m
Multiple Airlines
Mon 8/318:57 am
IAH
-
YYZ
2 stops11h 58m
Multiple Airlines
Deal found 7/3$422
This Kiwi.com deal was found by Cheapflights users on 7/6. 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.
Sun 8/306:30 am
YYZ
-
IAH
1 stop9h 54m
Multiple Airlines
Mon 9/148:36 am
IAH
-
YYZ
1 stop11h 19m
Multiple Airlines
Deal found 7/6$423
This American Airlines deal was found by Cheapflights users on 7/8. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/66:00 am
YYZ
-
IAH
1 stop11h 43m
American Airlines
Mon 11/97:34 am
IAH
-
YYZ
1 stop9h 06m
American Airlines
Deal found 7/8$424
This Kiwi.com deal was found by Cheapflights users on 7/3. 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 8/136:30 am
YYZ
-
IAH
1 stop9h 35m
Multiple Airlines
Thu 8/205:09 pm
IAH
-
YYZ
2 stops27h 31m
Multiple Airlines
Deal found 7/3$427
This Kiwi.com deal was found by Cheapflights users on 7/6. 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 9/86:30 am
YYZ
-
IAH
1 stop9h 54m
Multiple Airlines
Thu 9/248:36 am
IAH
-
YYZ
1 stop11h 19m
Multiple Airlines
Deal found 7/6$428
This Kiwi.com deal was found by Cheapflights users on 7/4. 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.
Fri 9/41:40 pm
YTZ
-
IAH
1 stop8h 23m
Multiple Airlines
Mon 9/79:58 pm
IAH
-
YTZ
1 stop10h 42m
Multiple Airlines
Deal found 7/4$431

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 July 8, 2026.

Round-trip from

$416
(Kiwi.com)

One-way from

$229
(Kiwi.com)

Popular in

March

Cheapest in

October

Average price

$539

Good round-trip deal

$483 or less

Good one-way deal

$256 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. 2% potential increase in price ($14 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in July 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 July 8, 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

TorontoHouston

YTZ - IAH

YTZIAH

Toronto Island

Thu 8/27

1:40 pm-12:58 pm

2 stops48h 18m

Houston George Bush Intcntl

Thu 9/3

9:58 pm-9:40 am

1 stop10h 42m

$476

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Mon 8/3

7:00 am-7:20 am

2 stops25h 20m

Houston George Bush Intcntl

Mon 8/10

1:16 pm-11:48 pm

1 stop9h 32m

$478

MontrealHouston

YUL - IAH

YULIAH

Montreal Pierre Elliott Trudeau Intl

Mon 9/21

7:43 pm-9:49 am

1 stop15h 06m

Houston George Bush Intcntl

Wed 9/30

7:00 am-6:53 pm

1 stop10h 53m

$480

TorontoHouston

YYZ - IAH

YYZIAH

Toronto Pearson Intl

Tue 9/15

7:55 am-4:51 pm

1 stop9h 56m

Houston George Bush Intcntl

Sun 9/27

5:40 am-12:19 pm

1 stop5h 39m

$480

MontrealHouston

YUL - IAH

YULIAH

Montreal Pierre Elliott Trudeau Intl

Wed 10/14

9:30 am-9:27 pm

1 stop12h 57m

Houston George Bush Intcntl

Wed 10/21

7:05 am-6:59 pm

1 stop10h 54m

$485

TorontoHouston

YTZ - IAH

YTZIAH

Toronto Island

Fri 9/4

10:45 am-7:38 pm

1 stop9h 53m

Houston George Bush Intcntl

Mon 9/7

10:00 am-5:51 pm

1 stop6h 51m

$510

TorontoHouston

YTZ - IAH

YTZIAH

Toronto Island

Thu 9/17

12:15 pm-12:27 am

1 stop13h 12m

Houston George Bush Intcntl

Mon 9/21

10:19 pm-6:46 pm

2 stops19h 27m

$518

TorontoHouston

YTZ - IAH

YTZIAH

Toronto Island

Tue 8/4

12:30 pm-7:38 pm

1 stop8h 08m

Houston George Bush Intcntl

Tue 8/11

10:00 am-7:51 pm

1 stop8h 51m

$525

TorontoHouston

YKF - IAH

YKFIAH

Toronto Region of Waterloo Intl

Fri 9/11

8:40 pm-1:55 pm

1 stop18h 15m

Houston George Bush Intcntl

Mon 9/14

6:30 am-7:50 pm

1 stop12h 20m

$527

TorontoHouston

YKF - IAH

YKFIAH

Toronto Region of Waterloo Intl

Mon 9/7

8:40 pm-1:55 pm

1 stop18h 15m

Houston George Bush Intcntl

Sun 9/13

2:50 pm-7:50 pm

1 stop28h 00m

$534

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/4

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 $120). Flying from Region of Ontario to Houston George Bush Intcntl Airport in April is currently the most expensive (average of $325). 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 July 8, 2026.

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 morning, which can drop the price by up to 36% versus a flight at noon.

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 July 8, 2026.

The most flights from CAON to IAH are scheduled on a Monday (12 on average). You will have fewer flight options on Sunday, 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?

How far ahead should I book a flight from Region of Ontario to Houston George Bush Intcntl Airport?

The best time to book flights from Region of Ontario to Houston George Bush Intcntl Airport is 85 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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 $510, Delta can have you in Houston George Bush Intcntl Airport from Region of Ontario in 9h 53m. Airlines will cover a distance of 1285 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 United Airlines and Air Canada, with prices starting from $195 and $220, 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 (76%), Air Canada (74%) or United Airlines (72%) 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 $186. On average you can expect to pay $693. The most popular route, (Toronto Pearson Intl - Houston George Bush Intcntl), can usually be booked for $371.

  • 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 $120). Flying from Region of Ontario to Houston George Bush Intcntl Airport in April is currently the most expensive (average of $325). 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
Spring
The Woodlands
Conroe
Jersey Village
Humble
Tomball
Cypress
Montgomery

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 July 8, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$396Average$639FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$404Average$601FlexibilityNo cancel feeOn-time67%

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