HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
George Bush Intcntl

$177+ 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 7/15. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — IAH
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Ontario to George Bush Intcntl with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 June 12, 2025.

Round-trip from

$336
(Kiwi.com)

One-way from

$177
(Kiwi.com)

Popular in

August

Cheapest in

October

Average price

$512

Good round-trip deal

$368 or less

Good one-way deal

$226 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. 3% potential increase in price ($18 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 0% potential price decrease ($5 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2025
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

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 June 12, 2025.

This Kiwi.com deal was found by Cheapflights users on 6/9. 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 7/297:25 pmYYZ - IAH
1 stop14h 33mMultiple Airlines
Fri 8/810:03 amIAH - YYZ
1 stop10h 20mMultiple Airlines
Deal found 6/9$336
This Kiwi.com deal was found by Cheapflights users on 6/11. 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.
Fri 8/227:45 amYTZ - IAH
1 stop6h 37mMultiple Airlines
Sat 9/65:00 amIAH - YTZ
1 stop6h 40mMultiple Airlines
Deal found 6/11$340
This Kiwi.com deal was found by Cheapflights users on 6/11. 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 7/214:45 pmYUL - IAH
2 stops17h 13mMultiple Airlines
Tue 7/225:57 pmIAH - YUL
1 stop17h 28mMultiple Airlines
Deal found 6/11$347
This Kiwi.com deal was found by Cheapflights users on 6/10. 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 7/94:25 pmYOW - IAH
1 stop8h 00mMultiple Airlines
Wed 7/165:00 amIAH - YOW
1 stop11h 15mMultiple Airlines
Deal found 6/10$349
This American Airlines deal was found by Cheapflights users on 6/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2211:44 amYYZ - IAH
1 stop12h 36mAmerican Airlines
Mon 9/296:20 amIAH - YYZ
1 stop10h 29mAmerican Airlines
Deal found 6/10$394
This American Airlines deal was found by Cheapflights users on 6/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/212:30 pmYUL - IAH
1 stop11h 50mAmerican Airlines
Sun 10/53:38 pmIAH - YUL
1 stop6h 19mAmerican Airlines
Deal found 6/11$424
This Air Canada deal was found by Cheapflights users on 6/11. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/305:40 pmYUL - IAH
Nonstop4h 39mAir Canada
Sun 11/911:05 amIAH - YUL
Nonstop3h 38mAir Canada
Deal found 6/11$432
This Delta deal was found by Cheapflights users on 6/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/66:00 amYUL - IAH
2 stops9h 50mDelta
Wed 8/1310:21 amIAH - YUL
1 stop10h 27mDelta
Deal found 6/10$433
This Air Canada deal was found by Cheapflights users on 6/12. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2212:25 pmYTZ - IAH
1 stop8h 11mAir Canada
Sat 9/610:00 amIAH - YTZ
1 stop6h 45mAir Canada
Deal found 6/12$434
This Air Canada deal was found by Cheapflights users on 6/10. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1212:00 pmYYZ - IAH
1 stop8h 42mAir Canada
Sat 9/2010:00 amIAH - YYZ
1 stop6h 58mAir Canada
Deal found 6/10$441
This Delta deal was found by Cheapflights users on 6/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/237:55 amYYZ - IAH
2 stops10h 09mDelta
Wed 7/302:20 pmIAH - YYZ
1 stop7h 50mDelta
Deal found 6/11$448
This United Airlines deal was found by Cheapflights users on 6/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/286:00 amYUL - IAH
1 stop7h 31mUnited Airlines
Sat 7/56:03 amIAH - YUL
1 stop6h 06mUnited Airlines
Deal found 6/11$462

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 June 12, 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

TorontoHouston

YYZ - IAH

YYZIAH

Toronto Pearson Intl

Tue 7/29

7:25 pm-8:58 am

1 stop14h 33m

Houston George Bush Intcntl

Fri 8/8

10:03 am-9:23 pm

1 stop10h 20m

$336

TorontoHouston

YTZ - IAH

YTZIAH

Toronto Island

Fri 8/22

7:45 am-1:22 pm

1 stop6h 37m

Houston George Bush Intcntl

Sat 9/6

5:00 am-12:40 pm

1 stop6h 40m

$340

MontrealHouston

YUL - IAH

YULIAH

Montreal Pierre Elliott Trudeau Intl

Mon 7/21

4:45 pm-8:58 am

2 stops17h 13m

Houston George Bush Intcntl

Tue 7/22

5:57 pm-12:25 pm

1 stop17h 28m

$347

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Wed 7/9

4:25 pm-11:25 pm

1 stop8h 00m

Houston George Bush Intcntl

Wed 7/16

5:00 am-5:15 pm

1 stop11h 15m

$349

TorontoHouston

YYZ - IAH

YYZIAH

Toronto Pearson Intl

Mon 9/22

11:44 am-11:20 pm

1 stop12h 36m

Houston George Bush Intcntl

Mon 9/29

6:20 am-5:49 pm

1 stop10h 29m

$394

TorontoHouston

YYZ - IAH

YYZIAH

Toronto Pearson Intl

Mon 6/30

8:45 am-11:15 am

Nonstop3h 30m

Houston George Bush Intcntl

Sun 7/6

7:20 am-11:34 am

Nonstop3h 14m

$424

MontrealHouston

YUL - IAH

YULIAH

Montreal Pierre Elliott Trudeau Intl

Thu 10/2

12:30 pm-11:20 pm

1 stop11h 50m

Houston George Bush Intcntl

Sun 10/5

3:38 pm-10:57 pm

1 stop6h 19m

$424

MontrealHouston

YUL - IAH

YULIAH

Montreal Pierre Elliott Trudeau Intl

Thu 10/30

5:40 pm-9:19 pm

Nonstop4h 39m

Houston George Bush Intcntl

Sun 11/9

11:05 am-3:43 pm

Nonstop3h 38m

$432

MontrealHouston

YUL - IAH

YULIAH

Montreal Pierre Elliott Trudeau Intl

Wed 8/6

6:00 am-2:50 pm

2 stops9h 50m

Houston George Bush Intcntl

Tue 8/12

10:21 am-9:48 pm

1 stop10h 27m

$433

TorontoHouston

YTZ - IAH

YTZIAH

Toronto Island

Fri 8/22

12:25 pm-7:36 pm

1 stop8h 11m

Houston George Bush Intcntl

Sat 9/6

10:00 am-5:45 pm

1 stop6h 45m

$434

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

Showing 1-10 of 40 results
1
2
3
4

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 June 12, 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 June 12, 2025.

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 (10 on average).

Rainfall in George Bush Intcntl by month

Plan your trip to George Bush Intcntl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Houston George Bush Intcntl Airport ranges from 3.2 - 5.9 inches per month. June is typically the wettest month, when rainfall can reach 5.9 in. February is typically the driest time to visit Houston George Bush Intcntl Airport when rainfall is around 3.2 in.

Temperature in George Bush Intcntl by month

Plan your trip to George Bush Intcntl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Houston George Bush Intcntl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 53.6 F).

Reviews of airlines servicing George Bush Intcntl

Get insights into the airlines that provide service to George Bush Intcntl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to George Bush Intcntl. Reviews last updated June 12, 2025.
Read through reviews of airlines operating flights from Ontario to Houston, such as Alaska Airlines, Delta and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Overall

8.0

Boarding

8.1

Comfort

7.8

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Overall

8.0

Boarding

8.1

Comfort

7.8

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,946 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Overall

8.0

Boarding

8.1

Comfort

7.8

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Overall

8.0

Boarding

8.1

Comfort

7.8

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Overall

8.0

Boarding

8.1

Comfort

7.8

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
WestJet
7.2
Good
2,868 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Overall

8.0

Boarding

8.1

Comfort

7.8

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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.

  • What are the cheapest airlines to fly from Region of Ontario to Houston George Bush Intcntl Airport one-way?

    $236 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 United Airlines and Delta, with prices starting from $248 and $249, 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 (85%), Air Canada (76%) or United Airlines (74%) 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 $137. On average you can expect to pay $408. The most popular route, (Toronto Pearson Intl - Houston George Bush Intcntl), can usually be booked for $258.

  • 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 Ontario?

Book flights to Ontario if you plan to visit one of these locations
Montgomery
Humble
Conroe
Spring
The Woodlands
Tomball
Katy
Jersey Village

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Ontario to George Bush Intcntl

See prices for flight routes from nearby airports that may be better suited for you.
Pearson Intl to Hobby flights
Pearson Intl to George Bush Intcntl flights
Pierre Elliott Trudeau Intl to Hobby flights
Pierre Elliott Trudeau Intl to George Bush Intcntl flights
Calgary to Hobby flights
Calgary to George Bush Intcntl flights
Vancouver Intl to Hobby flights
Vancouver Intl to George Bush Intcntl flights
Edmonton to Hobby flights
Edmonton to George Bush Intcntl flights
Toronto Island to Hobby flights
Winnipeg to Hobby flights
Winnipeg to George Bush Intcntl flights
Halifax to Hobby flights
Ottawa to George Bush Intcntl flights
Québec City to Hobby flights
Hamilton to Hobby flights
Ottawa to Hobby flights
Québec City to George Bush Intcntl flights
Halifax to George Bush Intcntl flights
Saskatoon to Hobby flights
Regina to Hobby flights
Fredericton to George Bush Intcntl flights
St. John's to George Bush Intcntl flights
Moncton to Hobby flights

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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$383Average$554FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$453Average$612FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.