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$110+ Cheap flights from George Bush Intcntl (IAH) to Ontario

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 2/16. Fares are subject to change and may not be available on all flights or dates of travel.
IAH — YYZ
Jan 26 — Feb 21
Mon 1/26
Mon 2/2
1 adult, Economy
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Cheap flight deals from George Bush Intcntl to Ontario

Cheapest flights from George Bush Intcntl to Ontario
Explore the most affordable flight options available from George Bush Intcntl to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 27, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/26. 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 12/3112:50 pmIAH - YYZ
2 stops30h 21mMultiple Airlines
Mon 1/510:15 amYYZ - IAH
1 stop26h 30mMultiple Airlines
Deal found 12/26$493
This Kiwi.com deal was found by Cheapflights users on 12/26. 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 12/276:55 pmIAH - YOW
1 stop21h 30mMultiple Airlines
Sun 1/44:20 pmYOW - IAH
2 stops54h 55mMultiple Airlines
Deal found 12/26$565
This Kiwi.com deal was found by Cheapflights users on 12/25. 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 12/317:45 pmIAH - YYZ
2 stops23h 26mMultiple Airlines
Sun 1/47:10 amYYZ - IAH
1 stop25h 11mMultiple Airlines
Deal found 12/25$576
This Kiwi.com deal was found by Cheapflights users on 12/26. 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 12/2912:50 pmIAH - YOW
1 stop27h 20mMultiple Airlines
Sun 1/44:20 pmYOW - IAH
2 stops54h 55mMultiple Airlines
Deal found 12/26$589
This Kiwi.com deal was found by Cheapflights users on 12/26. 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 12/276:55 pmIAH - YYZ
2 stops24h 18mMultiple Airlines
Sat 1/37:00 amYYZ - IAH
1 stop18h 54mMultiple Airlines
Deal found 12/26$590
This Kiwi.com deal was found by Cheapflights users on 12/26. 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 12/308:36 amIAH - YYZ
1 stop9h 49mMultiple Airlines
Thu 1/17:10 amYYZ - IAH
1 stop25h 54mMultiple Airlines
Deal found 12/26$591
This Kiwi.com deal was found by Cheapflights users on 12/25. 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 12/317:55 pmIAH - YTZ
1 stop22h 02mMultiple Airlines
Sun 1/42:05 pmYTZ - IAH
2 stops18h 16mMultiple Airlines
Deal found 12/25$602
This Kiwi.com deal was found by Cheapflights users on 12/25. 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 12/298:36 amIAH - YYZ
1 stop14h 19mMultiple Airlines
Wed 12/317:10 amYYZ - IAH
1 stop27h 09mMultiple Airlines
Deal found 12/25$614
This Kiwi.com deal was found by Cheapflights users on 12/24. 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 12/269:34 pmIAH - YYZ
2 stops21h 39mMultiple Airlines
Mon 1/510:15 amYYZ - IAH
1 stop26h 30mMultiple Airlines
Deal found 12/24$616
This Kiwi.com deal was found by Cheapflights users on 12/25. 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 12/277:45 pmIAH - YOW
2 stops20h 40mMultiple Airlines
Mon 1/59:40 amYOW - IAH
1 stop27h 05mMultiple Airlines
Deal found 12/25$621
This Kiwi.com deal was found by Cheapflights users on 12/24. 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 12/279:30 amIAH - YYZ
1 stop10h 27mMultiple Airlines
Mon 1/510:15 amYYZ - IAH
1 stop26h 30mMultiple Airlines
Deal found 12/24$632
This Kiwi.com deal was found by Cheapflights users on 12/25. 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 12/269:34 pmIAH - YYZ
2 stops21h 39mMultiple Airlines
Sat 1/37:00 amYYZ - IAH
1 stop27h 03mMultiple Airlines
Deal found 12/25$640

Find flight deals from George Bush Intcntl to Ontario

Keep the following information in mind while searching for George Bush Intcntl to Ontario flight deals. Data was last updated December 27, 2025.

Round-trip from

$268
(Trip.com)

One-way from

$110
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$676

Good round-trip deal

$741 or less

Good one-way deal

$349 or less
From Houston George Bush Intcntl to Ontario
Search Deals
One-way flight from Houston George Bush Intcntl to Ontario
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Highest demand for flights based on searches. 11% potential increase in price ($73 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($10 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 Houston George Bush Intcntl to Ontario.
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Price to beat on a one-way flight from Houston George Bush Intcntl to Ontario.
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Cheapflights Fare Finder

 
Customize your flight search to find flights from George Bush Intcntl to Ontario 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 27, 2025.
Use the filters below to find and compare flights from Houston George Bush Intcntl Airport to Ontario that are best for you.

Fly from

George Bush Intcntl

Fly to

Ontario

Route

Depart

Return

Price

HoustonMontreal

IAH - YUL

IAHYUL

Houston George Bush Intcntl

Fri 2/6

7:45 am-4:22 pm

1 stop7h 37m

Montreal Pierre Elliott Trudeau Intl

Mon 2/9

8:00 am-8:40 am

1 stop25h 40m

$274

HoustonHamilton

IAH - YHM

IAHYHM

Houston George Bush Intcntl

Wed 1/21

5:46 am-3:00 pm

1 stop8h 14m

Hamilton

Mon 1/26

7:25 am-8:23 pm

1 stop13h 58m

$287

HoustonMontreal

IAH - YUL

IAHYUL

Houston George Bush Intcntl

Wed 1/28

6:20 pm-7:05 am

1 stop11h 45m

Montreal Pierre Elliott Trudeau Intl

Sun 2/1

8:00 am-8:40 am

1 stop25h 40m

$288

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Thu 1/22

4:35 pm-6:28 pm

2 stops24h 53m

Ottawa

Thu 1/29

7:00 am-8:23 pm

1 stop14h 23m

$291

HoustonToronto

IAH - YTZ

IAHYTZ

Houston George Bush Intcntl

Sat 1/17

7:27 pm-10:35 am

1 stop14h 08m

Toronto Island

Fri 1/23

9:20 am-6:22 pm

1 stop10h 02m

$300

HoustonToronto

IAH - YTZ

IAHYTZ

Houston George Bush Intcntl

Fri 2/20

6:51 pm-3:32 pm

1 stop19h 41m

Toronto Island

Tue 2/24

1:30 pm-11:59 pm

2 stops11h 29m

$300

HoustonToronto

IAH - YTZ

IAHYTZ

Houston George Bush Intcntl

Sat 1/17

7:27 pm-10:35 am

1 stop14h 08m

Toronto Island

Thu 1/22

9:20 am-6:22 pm

1 stop10h 02m

$300

HoustonToronto

IAH - YTZ

IAHYTZ

Houston George Bush Intcntl

Wed 1/14

7:27 pm-10:35 am

1 stop14h 08m

Toronto Island

Sun 1/25

9:25 am-3:08 pm

1 stop6h 43m

$306

HoustonToronto

IAH - YTZ

IAHYTZ

Houston George Bush Intcntl

Sat 1/17

7:27 pm-10:35 am

1 stop14h 08m

Toronto Island

Sun 1/25

9:25 am-3:08 pm

1 stop6h 43m

$306

HoustonToronto

IAH - YTZ

IAHYTZ

Houston George Bush Intcntl

Wed 1/14

7:27 pm-10:35 am

1 stop14h 08m

Toronto Island

Thu 1/22

9:25 am-3:08 pm

1 stop6h 43m

$306

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/26

Showing 1-10 of 60 results
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Best time to book a flight from George Bush Intcntl to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from George Bush Intcntl 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 Houston George Bush Intcntl Airport to Ontario

What is the cheapest month to book a flight from Houston George Bush Intcntl Airport to Region of Ontario?

Currently, November is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Region of Ontario (average of $186). Flying from Houston George Bush Intcntl Airport to Region of Ontario in September is currently the most expensive (average of $278). 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 IAH to ON?

Find hourly flight availability from George Bush Intcntl to Ontario. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 27, 2025.

When flying from Houston George Bush Intcntl Airport to Region of Ontario, 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 Houston George Bush Intcntl Airport to Region of Ontario

Explore weekly flight availability from George Bush Intcntl to Ontario. 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 27, 2025.

The most flights from IAH to CAON are scheduled on a Monday (12 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (9 on average).

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. 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 Ontario. Reviews last updated December 27, 2025.
Get a feel of what it's like to fly with Delta, United Airlines, and American Airlines from Houston George Bush Intcntl Airport to Ontario by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,019 reviews

Boarding

8.1

Entertainment

7.9

Food

7.3

Overall

7.9

Comfort

7.9

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,019 reviews
Delta
7.9
Good
8,019 reviews

Boarding

8.1

Entertainment

7.9

Food

7.3

Overall

7.9

Comfort

7.9

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,116 reviews
Delta
7.9
Good
8,019 reviews

Boarding

8.1

Entertainment

7.9

Food

7.3

Overall

7.9

Comfort

7.9

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.2
Good
11,068 reviews
Delta
7.9
Good
8,019 reviews

Boarding

8.1

Entertainment

7.9

Food

7.3

Overall

7.9

Comfort

7.9

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Air Canada
7.1
Good
10,562 reviews
Delta
7.9
Good
8,019 reviews

Boarding

8.1

Entertainment

7.9

Food

7.3

Overall

7.9

Comfort

7.9

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from George Bush Intcntl to Ontario. 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 Houston George Bush Intcntl Airport to Region of Ontario?

    WestJet can get you from Houston George Bush Intcntl Airport to Region of Ontario in just under 21h 57m. Your travel time can differ by up to . The distance from Houston George Bush Intcntl Airport to Region of Ontario is about 1245 mi.

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

    The cheapest airline one-way is United Airlines, with whom users have recently found tickets for as low as $180. However, be on the lookout for offers from Air Canada and American Airlines, as they are both options that can get you from Houston George Bush Intcntl Airport to Region of Ontario for a low price.

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

    The most popular flight routes from Houston George Bush Intcntl Airport to Region of Ontario are Houston George Bush Intcntl - Toronto Pearson Intl, Houston George Bush Intcntl - Montreal Pierre Elliott Trudeau Intl and Houston George Bush Intcntl - Toronto Island.

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

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Houston George Bush Intcntl Airport to Region of Ontario on time: Brussels Airlines (100%), United Airlines (68%), Air Canada (65%).

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

    On average you can expect to pay $932 for a flight from Houston George Bush Intcntl Airport to Region of Ontario. The cheapest flight overall is $275 while the most popular route, (Houston George Bush Intcntl - Toronto Pearson Intl) is currently priced at $195.

  • Can I find deals for flights from George Bush Intcntl to Ontario that include hotel bookings?

    Yes. In addition to deals on George Bush Intcntl to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from George Bush Intcntl to Ontario?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from George Bush Intcntl to Ontario.

  • Can I find deals for business class flights from George Bush Intcntl to Ontario?

    Yes. Cheapflights offers flight deals from George Bush Intcntl to Ontario 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 Houston George Bush Intcntl Airport to Region of Ontario?

    Currently, November is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Region of Ontario (average of $186). Flying from Houston George Bush Intcntl Airport to Region of Ontario in September is currently the most expensive (average of $278). 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.

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Alternative routes for George Bush Intcntl to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
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Top 4 airlines flying from George Bush Intcntl to Ontario

Discover the top 4 airlines that operate flights from George Bush Intcntl to Ontario. 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 27, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$218Average$562FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$253Average$618FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$268Average$767FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$453Average$582FlexibilityNo cancel feeOn-time71%

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