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$109+ 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 1/21. Fares are subject to change and may not be available on all flights or dates of travel.
IAH — YYZ
Dec 20 — Dec 271
Sat 12/20
Sat 12/27
1 adult, Economy
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Find 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 November 20, 2025.

This Mytrip deal was found by Cheapflights users on 11/19. 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 12/28:54 pmIAH - YOW
2 stops19h 31mMultiple Airlines
Sun 12/77:00 amYOW - IAH
3 stops27h 15mMultiple Airlines
Deal found 11/19$240
This Kiwi.com deal was found by Cheapflights users on 11/18. 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 12/38:54 pmIAH - YUL
1 stop18h 29mMultiple Airlines
Mon 12/85:25 pmYUL - IAH
2 stops16h 53mMultiple Airlines
Deal found 11/18$290
This Mytrip deal was found by Cheapflights users on 11/19. 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 12/12:59 pmIAH - YOW
1 stop8h 26mMultiple Airlines
Sun 12/77:00 amYOW - IAH
3 stops27h 15mMultiple Airlines
Deal found 11/19$295
This Kiwi.com deal was found by Cheapflights users on 11/20. 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 12/47:25 pmIAH - YUL
1 stop19h 58mMultiple Airlines
Mon 12/86:45 amYUL - IAH
2 stops11h 58mMultiple Airlines
Deal found 11/20$295
This Kiwi.com deal was found by Cheapflights users on 11/19. 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 12/38:54 pmIAH - YUL
1 stop18h 29mMultiple Airlines
Thu 12/118:00 amYUL - IAH
1 stop10h 43mMultiple Airlines
Deal found 11/19$296
This Kiwi.com deal was found by Cheapflights users on 11/20. 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 12/305:54 amIAH - YUL
1 stop9h 29mMultiple Airlines
Tue 1/65:25 pmYUL - IAH
2 stops16h 50mMultiple Airlines
Deal found 11/20$301
This Mytrip deal was found by Cheapflights users on 11/17. 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.
Thu 12/2512:50 pmIAH - YOW
2 stops10h 35mMultiple Airlines
Tue 12/307:00 amYOW - IAH
3 stops27h 15mMultiple Airlines
Deal found 11/17$303
This Kiwi.com deal was found by Cheapflights users on 11/19. 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 12/36:09 pmIAH - YUL
1 stop21h 14mMultiple Airlines
Sat 12/65:25 pmYUL - IAH
2 stops16h 53mMultiple Airlines
Deal found 11/19$305
This Kiwi.com deal was found by Cheapflights users on 11/18. 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 12/87:25 pmIAH - YYZ
2 stops23h 48mMultiple Airlines
Thu 12/112:20 pmYYZ - IAH
1 stop22h 25mMultiple Airlines
Deal found 11/18$312
This Kiwi.com deal was found by Cheapflights users on 11/18. 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 12/107:25 pmIAH - YUL
1 stop19h 58mMultiple Airlines
Sat 12/134:35 pmYUL - IAH
1 stop15h 31mMultiple Airlines
Deal found 11/18$314
This Kiwi.com deal was found by Cheapflights users on 11/18. 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 11/277:45 pmIAH - YYZ
2 stops24h 22mMultiple Airlines
Mon 12/18:30 pmYYZ - IAH
1 stop13h 31mMultiple Airlines
Deal found 11/18$316
This Kiwi.com deal was found by Cheapflights users on 11/20. 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 12/1812:50 pmIAH - YYZ
1 stop7h 29mMultiple Airlines
Wed 1/73:40 pmYYZ - IAH
1 stop18h 00mMultiple Airlines
Deal found 11/20$317

Cheap 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 November 20, 2025.

Round-trip from

$240
(Mytrip)

One-way from

$109
(Mytrip)

Popular in

November

Cheapest in

February

Average price

$693

Good round-trip deal

$619 or less

Good one-way deal

$322 or less
From Houston George Bush Intcntl to Ontario
Search Deals
One-way flight from Houston George Bush Intcntl to Ontario
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($41 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($12 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 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 November 20, 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

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Tue 12/2

8:54 pm-5:25 pm

2 stops19h 31m

Ottawa

Sun 12/7

7:00 am-9:15 am

3 stops27h 15m

$240

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Wed 1/14

7:35 am-12:25 am

1 stop15h 50m

Ottawa

Wed 1/21

4:15 pm-1:10 pm

1 stop21h 55m

$278

HoustonHamilton

IAH - YHM

IAHYHM

Houston George Bush Intcntl

Sat 1/10

8:19 pm-2:20 pm

1 stop17h 01m

Hamilton

Wed 1/14

7:25 am-11:58 pm

1 stop17h 33m

$296

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Thu 12/25

12:50 pm-12:25 am

2 stops10h 35m

Ottawa

Tue 12/30

7:00 am-9:15 am

3 stops27h 15m

$303

HoustonMontreal

IAH - YUL

IAHYUL

Houston George Bush Intcntl

Thu 1/8

12:16 pm-9:25 pm

1 stop8h 09m

Montreal Pierre Elliott Trudeau Intl

Wed 1/14

8:00 am-8:28 pm

1 stop13h 28m

$308

HoustonHamilton

IAH - YHM

IAHYHM

Houston George Bush Intcntl

Thu 1/15

1:35 pm-1:22 pm

1 stop22h 47m

Hamilton

Mon 1/19

6:10 pm-5:29 pm

1 stop24h 19m

$313

HoustonHamilton

IAH - YHM

IAHYHM

Houston George Bush Intcntl

Wed 1/14

6:20 pm-5:17 pm

1 stop21h 57m

Hamilton

Mon 1/19

6:10 pm-5:29 pm

1 stop24h 19m

$313

HoustonMontreal

IAH - YUL

IAHYUL

Houston George Bush Intcntl

Sun 12/7

6:20 pm-7:05 am

1 stop11h 45m

Montreal Pierre Elliott Trudeau Intl

Wed 12/10

6:45 am-5:43 pm

1 stop11h 58m

$328

HoustonToronto

IAH - YTZ

IAHYTZ

Houston George Bush Intcntl

Wed 3/4

5:45 am-8:20 pm

2 stops13h 35m

Toronto Island

Wed 3/11

2:05 pm-12:04 am

2 stops10h 59m

$328

HoustonHamilton

IAH - YHM

IAHYHM

Houston George Bush Intcntl

Thu 1/8

6:20 pm-1:22 pm

1 stop18h 02m

Hamilton

Wed 1/14

7:25 am-8:28 pm

1 stop14h 03m

$332

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/19

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 November 20, 2025.

It’s typically best to fly out from Houston George Bush Intcntl Airport to Region of Ontario in the evening. Doing so could potentially save you 63% on the flight price compared to flying in the morning, which is usually more expensive.

What is the cheapest day to fly from Houston George Bush Intcntl Airport to Region of Ontario?

Use this chart to determine the cheapest time to fly round-trip from George Bush Intcntl to Ontario. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Houston George Bush Intcntl Airport to Region of Ontario flight should consider departing on Saturday mornings when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

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 November 20, 2025.

The most flights from IAH to CAON are scheduled on a Wednesday (12 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (8 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 November 20, 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
8,002 reviews

Boarding

8.1

Entertainment

7.9

Crew

8.5

Overall

7.9

Comfort

7.9

Food

7.3

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
8,002 reviews
Delta
7.9
Good
8,002 reviews

Boarding

8.1

Entertainment

7.9

Crew

8.5

Overall

7.9

Comfort

7.9

Food

7.3

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
9,029 reviews
Delta
7.9
Good
8,002 reviews

Boarding

8.1

Entertainment

7.9

Crew

8.5

Overall

7.9

Comfort

7.9

Food

7.3

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
11,045 reviews
Delta
7.9
Good
8,002 reviews

Boarding

8.1

Entertainment

7.9

Crew

8.5

Overall

7.9

Comfort

7.9

Food

7.3

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
10,462 reviews
Delta
7.9
Good
8,002 reviews

Boarding

8.1

Entertainment

7.9

Crew

8.5

Overall

7.9

Comfort

7.9

Food

7.3

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 and United Airlines can get you from Houston George Bush Intcntl Airport to Region of Ontario in just under 17h 49m. Your travel time can differ by up to 4h 58m. The distance from Houston George Bush Intcntl Airport to Region of Ontario is about 1280 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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: Air New Zealand (76%), United Airlines (71%), Air Canada (70%).

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

    On average you can expect to pay $1,216 for a flight from Houston George Bush Intcntl Airport to Region of Ontario. The cheapest flight overall is $265 while the most popular route, (Houston George Bush Intcntl - Toronto Pearson Intl) is currently priced at $181.

  • 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 November 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$218Average$562FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$250Average$693FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$268Average$752FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$453Average$582FlexibilityNo cancel feeOn-time71%

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