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$165+ 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 8/9. Fares are subject to change and may not be available on all flights or dates of travel.
IAH — YYZ
juil. 5 — juil. 121
sam. 7/5
sam. 7/12
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 juin 30, 2025.

Round-trip from

$297
(Kiwi.com)

One-way from

$165
(Kiwi.com)

Popular in

July

Cheapest in

February

Average price

$586

Good round-trip deal

$612 or less

Good one-way deal

$243 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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Highest demand for flights based on searches. 11% potential increase in price ($69 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in June 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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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 juin 30, 2025.

This Kiwi.com deal was found by Cheapflights users on 6/29. 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.
sam. 9/205:37 amIAH - YYZ
1 stop7h 28mMultiple Airlines
sam. 9/276:30 amYYZ - IAH
1 stop11h 40mMultiple Airlines
Deal found 6/29$297
This Kiwi.com deal was found by Cheapflights users on 6/30. 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.
lun. 8/2511:36 amIAH - YTZ
1 stop7h 26mMultiple Airlines
mer. 8/273:35 pmYTZ - IAH
1 stop20h 31mMultiple Airlines
Deal found 6/30$304
This Mytrip deal was found by Cheapflights users on 6/30. 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.
ven. 8/86:45 amIAH - YKF
2 stops17h 01mMultiple Airlines
mer. 8/136:00 amYKF - IAH
2 stops18h 26mMultiple Airlines
Deal found 6/30$329
This Mytrip deal was found by Cheapflights users on 6/30. 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.
ven. 8/86:45 amIAH - YHM
2 stops16h 56mMultiple Airlines
mer. 8/136:00 amYHM - IAH
2 stops18h 26mMultiple Airlines
Deal found 6/30$349
This Kiwi.com deal was found by Cheapflights users on 6/28. 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.
mer. 8/138:00 amIAH - YUL
2 stops15h 37mMultiple Airlines
mar. 8/196:35 pmYUL - IAH
1 stop18h 01mMultiple Airlines
Deal found 6/28$373
This Kiwi.com deal was found by Cheapflights users on 6/28. 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.
lun. 8/185:45 amIAH - YOW
1 stop10h 21mMultiple Airlines
mer. 8/204:25 pmYOW - IAH
1 stop16h 44mMultiple Airlines
Deal found 6/28$392
This oojo deal was found by Cheapflights users on 6/29. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sam. 9/208:00 amIAH - YKF
1 stop15h 45mWestJet
sam. 9/276:00 amYKF - IAH
1 stop17h 43mWestJet
Deal found 6/29$397
This American Airlines deal was found by Cheapflights users on 6/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 9/41:23 pmIAH - YUL
1 stop21h 22mAmerican Airlines
dim. 9/75:15 pmYUL - IAH
1 stop17h 09mAmerican Airlines
Deal found 6/28$425
This oojo deal was found by Cheapflights users on 6/29. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sam. 9/208:00 amIAH - YHM
1 stop15h 40mWestJet
sam. 9/276:00 amYHM - IAH
1 stop17h 43mWestJet
Deal found 6/29$476
This Mytrip deal was found by Cheapflights users on 6/30. 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.
jeu. 8/146:25 amIAH - YXU
3 stops21h 49mMultiple Airlines
jeu. 8/218:00 pmYXU - IAH
2 stops34h 00mMultiple Airlines
Deal found 6/30$521
This oojo deal was found by Cheapflights users on 6/28. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 8/118:00 amIAH - YXU
1 stop10h 09mWestJet
lun. 8/188:00 pmYXU - IAH
1 stop19h 11mWestJet
Deal found 6/28$573

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 juin 30, 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

HoustonToronto

IAH - YYZ

IAHYYZ

Houston George Bush Intcntl

sam. 9/20

5:37 am-2:05 pm

1 stop7h 28m

Toronto Pearson Intl

sam. 9/27

6:30 am-5:10 pm

1 stop11h 40m

$297

HoustonToronto

IAH - YTZ

IAHYTZ

Houston George Bush Intcntl

lun. 8/25

11:36 am-8:02 pm

1 stop7h 26m

Toronto Island

mer. 8/27

3:35 pm-11:06 am

1 stop20h 31m

$304

HoustonToronto

IAH - YKF

IAHYKF

Houston George Bush Intcntl

ven. 8/8

6:45 am-12:46 am

2 stops17h 01m

Toronto Region of Waterloo Intl

mer. 8/13

6:00 am-11:26 pm

2 stops18h 26m

$329

HoustonHamilton

IAH - YHM

IAHYHM

Houston George Bush Intcntl

ven. 8/8

6:45 am-12:41 am

2 stops16h 56m

Hamilton

mer. 8/13

6:00 am-11:26 pm

2 stops18h 26m

$349

HoustonMontreal

IAH - YUL

IAHYUL

Houston George Bush Intcntl

mer. 8/13

8:00 am-12:37 am

2 stops15h 37m

Montreal Pierre Elliott Trudeau Intl

mar. 8/19

6:35 pm-11:36 am

1 stop18h 01m

$373

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

lun. 8/18

5:45 am-5:06 pm

1 stop10h 21m

Ottawa

mer. 8/20

4:25 pm-8:09 am

1 stop16h 44m

$392

HoustonToronto

IAH - YKF

IAHYKF

Houston George Bush Intcntl

sam. 9/20

8:00 am-12:45 am

1 stop15h 45m

Toronto Region of Waterloo Intl

sam. 9/27

6:00 am-10:43 pm

1 stop17h 43m

$397

HoustonMontreal

IAH - YUL

IAHYUL

Houston George Bush Intcntl

jeu. 9/4

3:01 pm-11:45 am

1 stop19h 44m

Montreal Pierre Elliott Trudeau Intl

dim. 9/7

5:15 pm-9:24 am

1 stop17h 09m

$425

HoustonHamilton

IAH - YHM

IAHYHM

Houston George Bush Intcntl

sam. 9/20

8:00 am-12:40 am

1 stop15h 40m

Hamilton

sam. 9/27

6:00 am-10:43 pm

1 stop17h 43m

$476

HoustonLondon

IAH - YXU

IAHYXU

Houston George Bush Intcntl

jeu. 8/14

6:25 am-5:14 am

3 stops21h 49m

London

jeu. 8/21

8:00 pm-5:00 am

2 stops34h 00m

$521

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/28

Showing 1-10 of 29 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 $243). Flying from Houston George Bush Intcntl Airport to Region of Ontario in July is currently the most expensive (average of $349). 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 juin 30, 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 juin 30, 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 juin 30, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Delta, and United 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.
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Food

7.1

Crew

8.5

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Food

7.1

Crew

8.5

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
Delta
8.0
Very good
7,973 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Food

7.1

Crew

8.5

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
United Airlines
7.4
Good
8,852 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Food

7.1

Crew

8.5

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Food

7.1

Crew

8.5

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
WestJet
7.2
Good
2,908 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Food

7.1

Crew

8.5

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.

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.

  • 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 WestJet, with whom users have recently found tickets for as low as $225. However, be on the lookout for offers from United Airlines 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 (73%), United Airlines (72%), Brussels Airlines (71%).

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

    On average you can expect to pay $1,625 for a flight from Houston George Bush Intcntl Airport to Region of Ontario. The cheapest flight overall is $182 while the most popular route, (Houston George Bush Intcntl - Toronto Pearson Intl) is currently priced at $278.

  • 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 $243). Flying from Houston George Bush Intcntl Airport to Region of Ontario in July is currently the most expensive (average of $349). 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 juin 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$218Average$498FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$246Average$692FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$257Average$722FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$453Average$524FlexibilityNo cancel feeOn-time71%

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