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$106+ 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 12/10. Fares are subject to change and may not be available on all flights or dates of travel.
IAH — YYZ
Dec 2 — Dec 91
Tue 12/2
Tue 12/9
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 2, 2025.

This Mytrip deal was found by Cheapflights users on 11/2. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/410:00 amIAH - YOW
2 stops13h 25mMultiple Airlines
Sun 12/74:20 pmYOW - IAH
3 stops26h 23mMultiple Airlines
Deal found 11/2$268
This Kiwi.com deal was found by Cheapflights users on 11/2. 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.
Fri 11/218:08 pmIAH - YYZ
1 stop17h 12mMultiple Airlines
Wed 12/35:15 pmYYZ - IAH
1 stop15h 39mMultiple Airlines
Deal found 11/2$296
This Mytrip deal was found by Cheapflights users on 11/2. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/108:23 pmIAH - YUL
2 stops19h 00mMultiple Airlines
Sun 12/146:45 amYUL - IAH
3 stops27h 30mMultiple Airlines
Deal found 11/2$297
This Kiwi.com deal was found by Cheapflights users on 11/2. 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.
Fri 11/218:08 pmIAH - YYZ
1 stop17h 12mMultiple Airlines
Tue 12/27:15 amYYZ - IAH
1 stop12h 14mMultiple Airlines
Deal found 11/2$297
This Kiwi.com deal was found by Cheapflights users on 11/1. 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.
Sun 11/308:35 pmIAH - YYZ
1 stop26h 36mMultiple Airlines
Sun 12/72:20 pmYYZ - IAH
1 stop22h 25mMultiple Airlines
Deal found 11/1$298
This Mytrip deal was found by Cheapflights users on 11/2. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/116:14 amIAH - YUL
1 stop9h 09mMultiple Airlines
Sun 12/146:45 amYUL - IAH
3 stops27h 30mMultiple Airlines
Deal found 11/2$300
This Kiwi.com deal was found by Cheapflights users on 11/1. 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 12/58:07 pmIAH - YYZ
1 stop14h 36mMultiple Airlines
Sun 12/148:30 pmYYZ - IAH
1 stop13h 48mMultiple Airlines
Deal found 11/1$300
This Kiwi.com deal was found by Cheapflights users on 11/2. 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.
Fri 12/510:41 amIAH - YOW
1 stop12h 44mMultiple Airlines
Mon 12/87:00 amYOW - IAH
1 stop27h 18mMultiple Airlines
Deal found 11/2$301
This Kiwi.com deal was found by Cheapflights users on 10/31. 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 12/18:08 pmIAH - YYZ
1 stop16h 57mMultiple Airlines
Sat 12/610:15 amYYZ - IAH
2 stops15h 42mMultiple Airlines
Deal found 10/31$301
This Kiwi.com deal was found by Cheapflights users on 11/2. 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 11/198:47 pmIAH - YYZ
2 stops16h 53mMultiple Airlines
Tue 12/27:15 amYYZ - IAH
1 stop12h 14mMultiple Airlines
Deal found 11/2$303
This Kiwi.com deal was found by Cheapflights users on 11/2. 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.
Thu 12/48:49 amIAH - YYZ
1 stop14h 22mMultiple Airlines
Sun 12/79:30 pmYYZ - IAH
1 stop16h 14mMultiple Airlines
Deal found 11/2$305
This Kiwi.com deal was found by Cheapflights users on 11/2. 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.
Tue 11/258:54 pmIAH - YYZ
2 stops40h 46mMultiple Airlines
Wed 12/35:15 pmYYZ - IAH
1 stop15h 39mMultiple Airlines
Deal found 11/2$306

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 2, 2025.

Round-trip from

$285
(Mytrip)

One-way from

$106
(Kiwi.com)

Popular in

November

Cheapest in

February

Average price

$672

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
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Highest demand for flights based on searches. 9% potential increase in price ($61 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($11 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 2, 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

Thu 12/4

10:41 am-12:25 am

1 stop12h 44m

Ottawa

Sun 12/7

4:20 pm-5:43 pm

3 stops26h 23m

$280

HoustonMontreal

IAH - YUL

IAHYUL

Houston George Bush Intcntl

Wed 2/4

5:45 am-3:10 pm

1 stop8h 25m

Montreal Pierre Elliott Trudeau Intl

Sun 2/8

6:45 am-8:42 am

3 stops26h 57m

$292

HoustonMontreal

IAH - YUL

IAHYUL

Houston George Bush Intcntl

Thu 12/11

6:14 am-4:23 pm

1 stop9h 09m

Montreal Pierre Elliott Trudeau Intl

Sun 12/14

6:45 am-9:15 am

3 stops27h 30m

$300

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Fri 12/5

10:41 am-12:25 am

1 stop12h 44m

Ottawa

Mon 12/8

7:00 am-9:18 am

1 stop27h 18m

$301

HoustonMontreal

IAH - YUL

IAHYUL

Houston George Bush Intcntl

Thu 11/27

6:09 pm-4:55 pm

2 stops21h 46m

Montreal Pierre Elliott Trudeau Intl

Mon 12/1

8:00 am-9:01 am

1 stop26h 01m

$307

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

Mon 2/16

6:20 am-5:30 pm

1 stop12h 10m

$316

HoustonToronto

IAH - YTZ

IAHYTZ

Houston George Bush Intcntl

Mon 12/1

7:15 pm-6:13 pm

3 stops21h 58m

Toronto Island

Sun 12/7

2:05 pm-9:18 am

2 stops20h 13m

$326

HoustonToronto

IAH - YTZ

IAHYTZ

Houston George Bush Intcntl

Sun 2/22

7:09 pm-1:42 pm

1 stop17h 33m

Toronto Island

Sat 2/28

9:30 am-8:33 pm

2 stops12h 03m

$335

HoustonMontreal

IAH - YUL

IAHYUL

Houston George Bush Intcntl

Sat 11/15

6:57 pm-12:30 am

1 stop28h 33m

Montreal Pierre Elliott Trudeau Intl

Sat 11/22

4:35 pm-9:39 am

1 stop18h 04m

$340

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Tue 12/2

8:17 pm-12:42 am

2 stops51h 25m

Ottawa

Wed 12/10

4:15 pm-9:18 am

1 stop18h 03m

$344

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/1

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, January is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Region of Ontario (average of $217). 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 2, 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 2, 2025.

The most flights from IAH to CAON are scheduled on a Sunday (10 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (3 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 2, 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
8,001 reviews

Entertainment

7.9

Crew

8.5

Food

7.3

Comfort

7.9

Boarding

8.2

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Delta
7.9
Good
8,001 reviews
Delta
7.9
Good
8,001 reviews

Entertainment

7.9

Crew

8.5

Food

7.3

Comfort

7.9

Boarding

8.2

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
United Airlines
7.4
Good
8,997 reviews
Delta
7.9
Good
8,001 reviews

Entertainment

7.9

Crew

8.5

Food

7.3

Comfort

7.9

Boarding

8.2

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
American Airlines
7.2
Good
11,036 reviews
Delta
7.9
Good
8,001 reviews

Entertainment

7.9

Crew

8.5

Food

7.3

Comfort

7.9

Boarding

8.2

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Air Canada
7.1
Good
10,394 reviews
Delta
7.9
Good
8,001 reviews

Entertainment

7.9

Crew

8.5

Food

7.3

Comfort

7.9

Boarding

8.2

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

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 Alaska Airlines can get you from Houston George Bush Intcntl Airport to Region of Ontario in just under 10h 09m. Your travel time can differ by up to 21h 26m. The distance from Houston George Bush Intcntl Airport to Region of Ontario is about 1241 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 (82%), United Airlines (77%), Air Canada (75%).

  • 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 $219.

  • 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, January is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Region of Ontario (average of $217). 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 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$218Average$562FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$249Average$693FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$263Average$751FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$453Average$524FlexibilityNo cancel feeOn-time71%

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