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$120+ 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 1/22. Fares are subject to change and may not be available on all flights or dates of travel.
IAH — YYZ
Jan 3 — Jan 101
Sat 1/3
Sat 1/10
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 4, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/2. 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 12/246:55 pmIAH - YUL
1 stop20h 28mMultiple Airlines
Thu 1/86:45 amYUL - IAH
2 stops14h 38mMultiple Airlines
Deal found 12/2$307
This Kiwi.com deal was found by Cheapflights users on 12/1. 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
Thu 1/223:40 pmYYZ - IAH
1 stop9h 18mMultiple Airlines
Deal found 12/1$313
This Kiwi.com deal was found by Cheapflights users on 12/3. 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 12/255:54 amIAH - YYZ
1 stop16h 26mMultiple Airlines
Wed 12/317:40 amYYZ - IAH
1 stop11h 10mMultiple Airlines
Deal found 12/3$319
This Kiwi.com deal was found by Cheapflights users on 12/1. 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 12/68:07 pmIAH - YYZ
1 stop17h 13mMultiple Airlines
Sat 12/207:15 amYYZ - IAH
1 stop16h 21mMultiple Airlines
Deal found 12/1$323
This Kiwi.com deal was found by Cheapflights users on 12/1. 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 1/2111:15 amYYZ - IAH
1 stop10h 08mMultiple Airlines
Deal found 12/1$324
This Kiwi.com deal was found by Cheapflights users on 12/1. 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
Tue 1/203:40 pmYYZ - IAH
1 stop9h 18mMultiple Airlines
Deal found 12/1$328
This Kiwi.com deal was found by Cheapflights users on 12/1. 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 12/1912:50 pmIAH - YYZ
1 stop7h 29mMultiple Airlines
Sat 1/243:40 pmYYZ - IAH
1 stop9h 18mMultiple Airlines
Deal found 12/1$329
This Kiwi.com deal was found by Cheapflights users on 12/3. 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.
Wed 12/175:46 amIAH - YYZ
1 stop7h 34mMultiple Airlines
Wed 12/317:40 amYYZ - IAH
1 stop11h 10mMultiple Airlines
Deal found 12/3$334
This Kiwi.com deal was found by Cheapflights users on 12/1. 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 12/1912:50 pmIAH - YYZ
1 stop7h 29mMultiple Airlines
Thu 1/223:40 pmYYZ - IAH
1 stop9h 18mMultiple Airlines
Deal found 12/1$337
This Kiwi.com deal was found by Cheapflights users on 12/3. 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 12/118:07 pmIAH - YYZ
1 stop22h 53mMultiple Airlines
Wed 12/179:35 amYYZ - IAH
1 stop15h 46mMultiple Airlines
Deal found 12/3$340
This Kiwi.com deal was found by Cheapflights users on 12/3. 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.
Wed 12/246:55 pmIAH - YYZ
1 stop27h 25mMultiple Airlines
Sun 1/48:20 pmYYZ - IAH
2 stops37h 05mMultiple Airlines
Deal found 12/3$343
This Kiwi.com deal was found by Cheapflights users on 12/1. 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
Mon 1/2611:15 amYYZ - IAH
1 stop10h 08mMultiple Airlines
Deal found 12/1$345

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 4, 2025.

Round-trip from

$274
(Kiwi.com)

One-way from

$120
(Kiwi.com)

Popular in

November

Cheapest in

February

Average price

$586

Good round-trip deal

$725 or less

Good one-way deal

$408 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. 8% potential increase in price ($50 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 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 4, 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 1/20

8:45 am-5:13 pm

1 stop7h 28m

Ottawa

Wed 2/18

4:15 pm-12:04 am

1 stop8h 49m

$274

HoustonHamilton

IAH - YHM

IAHYHM

Houston George Bush Intcntl

Thu 1/8

5:46 am-3:00 pm

1 stop8h 14m

Hamilton

Wed 1/14

7:25 am-8:23 pm

1 stop13h 58m

$297

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Tue 3/17

5:15 am-12:25 am

2 stops18h 10m

Ottawa

Tue 3/24

4:20 pm-8:34 pm

3 stops29h 14m

$312

HoustonHamilton

IAH - YHM

IAHYHM

Houston George Bush Intcntl

Thu 1/8

1:35 pm-1:22 pm

1 stop22h 47m

Hamilton

Sun 1/11

6:10 pm-12:44 pm

1 stop19h 34m

$320

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Fri 1/16

12:41 pm-5:15 pm

1 stop27h 34m

Ottawa

Tue 2/17

5:40 am-8:45 am

2 stops28h 05m

$331

HoustonMontreal

IAH - YUL

IAHYUL

Houston George Bush Intcntl

Sat 1/17

7:27 pm-5:00 pm

2 stops20h 33m

Montreal Pierre Elliott Trudeau Intl

Wed 1/21

8:00 am-11:58 pm

1 stop16h 58m

$334

HoustonToronto

IAH - YYZ

IAHYYZ

Houston George Bush Intcntl

Wed 1/21

6:30 am-11:20 pm

3 stops15h 50m

Toronto Pearson Intl

Mon 1/26

1:30 pm-12:19 am

3 stops35h 49m

$334

HoustonToronto

IAH - YTZ

IAHYTZ

Houston George Bush Intcntl

Fri 1/23

6:25 am-4:25 pm

1 stop9h 00m

Toronto Island

Tue 1/27

9:20 am-8:01 pm

2 stops11h 41m

$338

HoustonToronto

IAH - YTZ

IAHYTZ

Houston George Bush Intcntl

Tue 1/27

5:46 am-10:03 pm

2 stops15h 17m

Toronto Island

Wed 1/28

2:05 pm-11:58 pm

2 stops10h 53m

$339

HoustonToronto

IAH - YKF

IAHYKF

Houston George Bush Intcntl

Fri 2/13

6:20 pm-5:29 am

1 stop10h 09m

Toronto Region of Waterloo Intl

Tue 2/17

6:20 am-12:45 pm

1 stop31h 25m

$347

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/2

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 4, 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 70% on the flight price compared to flying at noon, 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. Wednesday 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 December 4, 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 (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 December 4, 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
8,011 reviews

Boarding

8.1

Entertainment

7.9

Food

7.3

Comfort

7.9

Crew

8.5

Overall

7.9

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
8,011 reviews
Delta
7.9
Good
8,011 reviews

Boarding

8.1

Entertainment

7.9

Food

7.3

Comfort

7.9

Crew

8.5

Overall

7.9

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
9,064 reviews
Delta
7.9
Good
8,011 reviews

Boarding

8.1

Entertainment

7.9

Food

7.3

Comfort

7.9

Crew

8.5

Overall

7.9

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
11,043 reviews
Delta
7.9
Good
8,011 reviews

Boarding

8.1

Entertainment

7.9

Food

7.3

Comfort

7.9

Crew

8.5

Overall

7.9

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
10,500 reviews
Delta
7.9
Good
8,011 reviews

Boarding

8.1

Entertainment

7.9

Food

7.3

Comfort

7.9

Crew

8.5

Overall

7.9

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 Delta can get you from Houston George Bush Intcntl Airport to Region of Ontario in just under 14h 51m. Your travel time can differ by up to 7h 56m. 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 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: Air New Zealand (73%), United Airlines (72%), Air Canada (69%).

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

    On average you can expect to pay $1,386 for a flight from Houston George Bush Intcntl Airport to Region of Ontario. The cheapest flight overall is $322 while the most popular route, (Houston George Bush Intcntl - Toronto Pearson Intl) is currently priced at $189.

  • 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 4, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$218Average$562FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$249Average$694FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$268Average$763FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$453Average$582FlexibilityNo cancel feeOn-time71%

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