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$116+ 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 2/5. Fares are subject to change and may not be available on all flights or dates of travel.
IAH — YYZ
Feb 11 — Feb 181
Wed 2/11
Wed 2/18
1 adult, Economy
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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 January 12, 2026.

Round-trip from

$240
(Kiwi.com)

One-way from

$116
(Trip.com)

Popular in

January

Cheapest in

February

Average price

$693

Good round-trip deal

$737 or less

Good one-way deal

$283 or less
From Houston George Bush Intcntl to Ontario
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One-way flight from Houston George Bush Intcntl to Ontario
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High demand for flights, 4% potential price rise
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Cheapest flight prices on average. 1% potential price decrease ($11 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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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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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 January 12, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/11. 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.
Sat 1/318:19 pm
IAH
-
YUL
2 stops22h 55m
Multiple Airlines
Mon 2/98:00 am
YUL
-
IAH
1 stop25h 40m
Multiple Airlines
Deal found 1/11$240
This Kiwi.com deal was found by Cheapflights users on 1/9. 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.
Thu 2/192:41 pm
IAH
-
YOW
1 stop8h 44m
Multiple Airlines
Mon 2/234:15 pm
YOW
-
IAH
1 stop16h 45m
Multiple Airlines
Deal found 1/9$249
This Kiwi.com deal was found by Cheapflights users on 1/10. 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.
Sat 1/318:19 pm
IAH
-
YOW
1 stop26h 39m
Multiple Airlines
Mon 2/27:00 am
YOW
-
IAH
1 stop26h 40m
Multiple Airlines
Deal found 1/10$252
This Kiwi.com deal was found by Cheapflights users on 1/10. 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.
Tue 2/37:45 am
IAH
-
YOW
1 stop15h 40m
Multiple Airlines
Wed 2/47:00 am
YOW
-
IAH
1 stop14h 23m
Multiple Airlines
Deal found 1/10$253
This Kiwi.com deal was found by Cheapflights users on 1/10. 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.
Tue 1/273:18 pm
IAH
-
YOW
1 stop24h 55m
Multiple Airlines
Sun 2/14:15 pm
YOW
-
IAH
1 stop17h 25m
Multiple Airlines
Deal found 1/10$255
This Kiwi.com deal was found by Cheapflights users on 1/10. 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.
Sat 1/318:19 pm
IAH
-
YOW
1 stop26h 39m
Multiple Airlines
Wed 2/47:00 am
YOW
-
IAH
1 stop14h 23m
Multiple Airlines
Deal found 1/10$256
This Kiwi.com deal was found by Cheapflights users on 1/10. 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.
Tue 2/37:45 am
IAH
-
YOW
1 stop15h 40m
Multiple Airlines
Thu 2/54:15 pm
YOW
-
IAH
1 stop8h 43m
Multiple Airlines
Deal found 1/10$259
This Trip.com deal was found by Cheapflights users on 1/12. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/178:00 am
IAH
-
YYZ
2 stops12h 00m
WestJet
Sat 5/239:00 am
YYZ
-
IAH
2 stops14h 40m
WestJet
Deal found 1/12$259
This Kiwi.com deal was found by Cheapflights users on 1/11. 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.
Sun 2/88:36 pm
IAH
-
YTZ
1 stop16h 11m
Multiple Airlines
Sun 2/152:30 pm
YTZ
-
IAH
1 stop19h 26m
Multiple Airlines
Deal found 1/11$260
This Kiwi.com deal was found by Cheapflights users on 1/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/2612:16 pm
IAH
-
YYZ
1 stop10h 55m
Multiple Airlines
Tue 1/277:15 am
YYZ
-
IAH
1 stop15h 42m
Multiple Airlines
Deal found 1/12$260
This Kiwi.com deal was found by Cheapflights users on 1/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/114:35 pm
IAH
-
YYZ
2 stops20h 41m
Multiple Airlines
Wed 2/183:40 pm
YYZ
-
IAH
1 stop9h 38m
Multiple Airlines
Deal found 1/12$261
This Kiwi.com deal was found by Cheapflights users on 1/11. 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 1/238:19 pm
IAH
-
YYZ
1 stop17h 01m
Multiple Airlines
Mon 1/265:15 pm
YYZ
-
IAH
1 stop29h 42m
Multiple Airlines
Deal found 1/11$263

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 January 12, 2026.
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

Wed 2/4

7:45 am-5:25 pm

1 stop8h 40m

Ottawa

Thu 2/5

4:15 pm-11:58 pm

1 stop8h 43m

$266

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Wed 2/11

7:45 am-12:25 am

1 stop15h 40m

Ottawa

Wed 2/18

7:00 am-8:23 pm

1 stop14h 23m

$273

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Sun 2/1

12:16 pm-11:58 pm

1 stop10h 42m

Ottawa

Wed 2/4

7:00 am-8:23 pm

1 stop14h 23m

$274

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Mon 2/2

12:16 pm-11:58 pm

1 stop10h 42m

Ottawa

Wed 2/4

7:00 am-8:23 pm

1 stop14h 23m

$274

HoustonToronto

IAH - YYZ

IAHYYZ

Houston George Bush Intcntl

Sat 2/14

9:18 pm-9:11 pm

2 stops22h 53m

Toronto Pearson Intl

Sat 2/21

8:20 pm-7:55 am

1 stop12h 35m

$275

HoustonToronto

IAH - YYZ

IAHYYZ

Houston George Bush Intcntl

Fri 2/13

10:12 pm-6:20 am

1 stop31h 08m

Toronto Pearson Intl

Tue 2/17

3:40 pm-8:00 am

1 stop17h 20m

$275

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Wed 2/18

7:21 am-12:39 am

2 stops16h 18m

Ottawa

Mon 2/23

4:15 pm-8:00 am

1 stop16h 45m

$282

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Thu 1/29

8:19 pm-5:13 pm

1 stop19h 54m

Ottawa

Tue 2/3

9:30 am-8:23 pm

2 stops11h 53m

$285

HoustonMontreal

IAH - YUL

IAHYUL

Houston George Bush Intcntl

Fri 1/30

6:20 pm-7:05 am

1 stop11h 45m

Montreal Pierre Elliott Trudeau Intl

Tue 2/3

4:15 pm-5:30 pm

1 stop26h 15m

$298

HoustonMontreal

IAH - YUL

IAHYUL

Houston George Bush Intcntl

Thu 2/5

6:25 am-5:45 pm

2 stops34h 20m

Montreal Pierre Elliott Trudeau Intl

Mon 2/9

8:00 am-8:40 am

1 stop25h 40m

$298

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/12

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 January 12, 2026.

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 January 12, 2026.

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 January 12, 2026.
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
8,037 reviews

Crew

8.5

Entertainment

7.8

Food

7.2

Boarding

8.1

Comfort

7.9

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
8,037 reviews
Delta
7.9
Good
8,037 reviews

Crew

8.5

Entertainment

7.8

Food

7.2

Boarding

8.1

Comfort

7.9

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
9,144 reviews
Delta
7.9
Good
8,037 reviews

Crew

8.5

Entertainment

7.8

Food

7.2

Boarding

8.1

Comfort

7.9

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
11,110 reviews
Delta
7.9
Good
8,037 reviews

Crew

8.5

Entertainment

7.8

Food

7.2

Boarding

8.1

Comfort

7.9

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
10,618 reviews
Delta
7.9
Good
8,037 reviews

Crew

8.5

Entertainment

7.8

Food

7.2

Boarding

8.1

Comfort

7.9

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 can get you from Houston George Bush Intcntl Airport to Region of Ontario in just under 11h 45m. Your travel time can differ by up to . The distance from Houston George Bush Intcntl Airport to Region of Ontario is about 1582 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: Air Canada (62%), United Airlines (62%), Air New Zealand (61%).

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

    On average you can expect to pay $612 for a flight from Houston George Bush Intcntl Airport to Region of Ontario. The cheapest flight overall is $244 while the most popular route, (Houston George Bush Intcntl - Toronto Pearson Intl) is currently priced at $212.

  • 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 January 12, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$218Average$562FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$252Average$688FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$268Average$766FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$453Average$532FlexibilityNo cancel feeOn-time71%

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