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Cheap flights from Ontario to Houston George Bush Intcntl Airport from C$ 227

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 4/12. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — IAH
15 Oct — 22 Oct1
1 adult
1 adult, Economy

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 15 September 2025.

Round-trip from

C$ 352

One-way from

C$ 227

Popular in

September

Cheapest in

October

Average price

C$ 747

Good round-trip deal

C$ 618 or less

Good one-way deal

C$ 329 or less
WestJet
  • WestJet
  • 25/11-27/11
  • 2 total stops
  • 22h 34m total
  • Ontario to Houston
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WestJet
  • WestJet
  • 4/12
  • 1 total stop
  • 19h 34m total
  • Ontario to Houston
Search Deals
Highest demand for flights based on searches. 1% potential increase in price (C$ 15 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 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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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 15 September 2025.

Tue 25/116:00 a.m.YOW - IAH
1 stop12h 29mWestJet
Thu 27/111:35 p.m.IAH - YOW
1 stop10h 05mWestJet
Deal found 14/9C$ 352
Thu 23/104:25 p.m.YOW - IAH
1 stop15h 39mMultiple Airlines
Fri 31/101:35 p.m.IAH - YOW
1 stop10h 05mMultiple Airlines
Deal found 14/9C$ 396
Thu 9/108:00 a.m.YYZ - IAH
2 stops15h 43mMultiple Airlines
Thu 16/108:37 p.m.IAH - YYZ
1 stop25h 03mMultiple Airlines
Deal found 14/9C$ 401
Sun 12/1012:00 p.m.YTZ - IAH
2 stops13h 28mMultiple Airlines
Sat 18/101:39 p.m.IAH - YTZ
1 stop21h 38mMultiple Airlines
Deal found 13/9C$ 402
Mon 6/104:00 p.m.YYZ - IAH
1 stop19h 47mMultiple Airlines
Sun 12/104:30 p.m.IAH - YYZ
2 stops31h 13mMultiple Airlines
Deal found 14/9C$ 402
Sun 12/101:30 p.m.YYZ - IAH
1 stop10h 13mMultiple Airlines
Sun 19/108:37 p.m.IAH - YYZ
1 stop26h 18mMultiple Airlines
Deal found 14/9C$ 403
Fri 7/1112:50 p.m.YYZ - IAH
1 stop11h 23mMultiple Airlines
Sun 9/117:30 a.m.IAH - YYZ
2 stops16h 08mMultiple Airlines
Deal found 15/9C$ 405
Thu 16/107:40 a.m.YYZ - IAH
3 stops17h 48mMultiple Airlines
Mon 20/108:10 p.m.IAH - YYZ
1 stop16h 55mMultiple Airlines
Deal found 15/9C$ 406
Thu 9/108:00 a.m.YYZ - IAH
2 stops15h 43mWestJet
Wed 22/103:00 p.m.IAH - YYZ
2 stops13h 51mWestJet
Deal found 14/9C$ 408
Fri 31/109:30 a.m.YOW - IAH
1 stop25h 03mMultiple Airlines
Mon 3/111:35 p.m.IAH - YOW
1 stop10h 05mMultiple Airlines
Deal found 15/9C$ 409
Tue 23/97:15 a.m.YYZ - IAH
1 stop9h 21mMultiple Airlines
Sat 27/95:48 p.m.IAH - YYZ
1 stop28h 53mMultiple Airlines
Deal found 14/9C$ 409
Sun 5/109:35 a.m.YYZ - IAH
1 stop24h 20mMultiple Airlines
Fri 17/1012:42 p.m.IAH - YYZ
1 stop10h 10mMultiple Airlines
Deal found 13/9C$ 410

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 629,999 searches. Data last updated 15 September 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

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Tue 25/11

6:00 a.m.-5:29 p.m.

1 stop12h 29m

Houston George Bush Intcntl

Thu 27/11

1:35 p.m.-12:40 a.m.

1 stop10h 05m

C$ 352

TorontoHouston

YTZ - IAH

YTZIAH

Toronto Island

Sun 12/10

12:00 p.m.-12:28 a.m.

2 stops13h 28m

Houston George Bush Intcntl

Sat 18/10

1:39 p.m.-12:17 p.m.

1 stop21h 38m

C$ 402

TorontoHouston

YYZ - IAH

YYZIAH

Toronto Pearson Intl

Thu 16/10

1:30 p.m.-10:43 p.m.

1 stop10h 13m

Houston George Bush Intcntl

Mon 20/10

8:00 a.m.-10:52 p.m.

1 stop13h 52m

C$ 406

TorontoHouston

YYZ - IAH

YYZIAH

Toronto Pearson Intl

Tue 23/9

7:15 a.m.-3:36 p.m.

1 stop9h 21m

Houston George Bush Intcntl

Sat 27/9

5:48 p.m.-11:41 p.m.

1 stop28h 53m

C$ 409

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Thu 27/11

6:00 a.m.-5:29 p.m.

1 stop12h 29m

Houston George Bush Intcntl

Tue 2/12

6:20 p.m.-4:53 p.m.

1 stop21h 33m

C$ 416

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Thu 23/10

7:00 a.m.-11:23 p.m.

2 stops17h 23m

Houston George Bush Intcntl

Fri 31/10

1:35 p.m.-12:40 a.m.

1 stop10h 05m

C$ 423

TorontoHouston

YTZ - IAH

YTZIAH

Toronto Island

Wed 15/10

12:00 p.m.-12:28 a.m.

2 stops13h 28m

Houston George Bush Intcntl

Sun 26/10

9:04 p.m.-1:10 p.m.

1 stop15h 06m

C$ 427

TorontoHouston

YTZ - IAH

YTZIAH

Toronto Island

Wed 15/10

12:00 p.m.-12:28 a.m.

2 stops13h 28m

Houston George Bush Intcntl

Sun 19/10

6:00 a.m.-9:43 p.m.

2 stops14h 43m

C$ 427

TorontoHouston

YKF - IAH

YKFIAH

Toronto Region of Waterloo Intl

Thu 13/11

6:20 a.m.-5:29 p.m.

1 stop12h 09m

Houston George Bush Intcntl

Mon 17/11

6:20 p.m.-5:28 a.m.

1 stop10h 08m

C$ 435

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Sun 12/10

3:50 p.m.-12:28 a.m.

1 stop9h 38m

Houston George Bush Intcntl

Sun 19/10

6:00 a.m.-5:20 p.m.

1 stop10h 20m

C$ 437

Flights are sorted by cheapest round-trip flights first.

Deals found on 14/9

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, September is the cheapest month in which you can book a flight from Region of Ontario to Houston George Bush Intcntl Airport (average of C$ 343). Flying from Region of Ontario to Houston George Bush Intcntl Airport in March is currently the most expensive (average of C$ 469). 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 15 September 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 15 September 2025.

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 (11 on average).

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?

    A quick flight from Region of Ontario to Houston George Bush Intcntl Airport can take about 9h 45m. WestJet provides one of the quickest options available for as low as C$ 558. The distance from Region of Ontario to Houston George Bush Intcntl Airport is about 2060 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What are the most popular routes from Region of Ontario to Houston George Bush Intcntl Airport?

    While some choose either Montreal Pierre Elliott Trudeau Intl - Houston George Bush Intcntl or Toronto Island - Houston George Bush Intcntl, Toronto Pearson Intl - Houston George Bush Intcntl is the most popular route from Region of Ontario to Houston George Bush Intcntl Airport.

  • What are the most reliable airlines from Region of Ontario to Houston George Bush Intcntl Airport?

    Before booking your flight to Houston George Bush Intcntl Airport from Region of Ontario, check out the most reliable airlines to get you to your destination on time: Air New Zealand (83%), Air Canada (69%), United Airlines( 69%).

  • What are the cheapest flights from Region of Ontario to Houston George Bush Intcntl Airport?

    Looking at all options, your cheapest flight can be booked for C$ 235. While the most popular route (Toronto Pearson Intl - Houston George Bush Intcntl) can be booked for C$ 298 on average, our data indicates C$ 1,388 when flying from Region of Ontario to Houston George Bush Intcntl Airport.

  • 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, September is the cheapest month in which you can book a flight from Region of Ontario to Houston George Bush Intcntl Airport (average of C$ 343). Flying from Region of Ontario to Houston George Bush Intcntl Airport in March is currently the most expensive (average of C$ 469). 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

Travelling 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
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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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Saskatoon to George Bush Intcntl flights
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Top 4 airlines flying from Ontario to George Bush Intcntl

Discover the top 4 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 629,999 searches. Data last updated 15 September 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapestC$ 266AverageC$ 545FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
WestJetCheapestC$ 377AverageC$ 641FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Air CanadaCheapestC$ 519AverageC$ 769FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapestC$ 547AverageC$ 827FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Ontario to George Bush Intcntl?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Ontario to George Bush Intcntl. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Ontario to George Bush Intcntl?

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Can Cheapflights find flights from Ontario to George Bush Intcntl with no change fees?

Yes! Cheapflights helps users easily find flights from Ontario to George Bush Intcntl with no change fees.

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