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$147+ 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 10/15. Fares are subject to change and may not be available on all flights or dates of travel.
IAH — YYZ
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 June 12, 2025.

Round-trip from

$271
(Kiwi.com)

One-way from

$153
(Kiwi.com)

Popular in

July

Cheapest in

February

Average price

$586

Good round-trip deal

$586 or less

Good one-way deal

$268 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 ($66 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 June 12, 2025.

This Kiwi.com deal was found by Cheapflights users on 6/10. 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.
Thu 6/267:15 pmIAH - YYZ
1 stop25h 08mMultiple Airlines
Mon 7/147:45 amYYZ - IAH
1 stop8h 59mMultiple Airlines
Deal found 6/10$271
This Kiwi.com deal was found by Cheapflights users on 6/10. 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 8/129:00 amIAH - YTZ
1 stop10h 02mMultiple Airlines
Wed 8/207:55 amYTZ - IAH
1 stop16h 45mMultiple Airlines
Deal found 6/10$306
This Kiwi.com deal was found by Cheapflights users on 6/9. 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.
Tue 7/86:15 amIAH - YOW
1 stop10h 00mMultiple Airlines
Tue 7/154:10 pmYOW - IAH
1 stop17h 48mMultiple Airlines
Deal found 6/9$359
This Kiwi.com deal was found by Cheapflights users on 6/10. 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.
Thu 9/255:00 amIAH - YUL
1 stop11h 55mMultiple Airlines
Sun 9/286:35 pmYUL - IAH
1 stop19h 47mMultiple Airlines
Deal found 6/10$362
This Mytrip deal was found by Cheapflights users on 6/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/13:00 pmIAH - YKF
2 stops13h 30mMultiple Airlines
Tue 9/96:00 amYKF - IAH
2 stops32h 44mMultiple Airlines
Deal found 6/11$387
This American Airlines deal was found by Cheapflights users on 6/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/151:13 pmIAH - YYZ
1 stop9h 16mAmerican Airlines
Mon 10/201:15 pmYYZ - IAH
1 stop11h 20mAmerican Airlines
Deal found 6/10$407
This American Airlines deal was found by Cheapflights users on 6/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/26:20 amIAH - YUL
1 stop9h 10mAmerican Airlines
Sun 10/55:15 pmYUL - IAH
1 stop17h 21mAmerican Airlines
Deal found 6/11$410
This Delta deal was found by Cheapflights users on 6/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/66:15 pmIAH - YUL
1 stop15h 15mDelta
Tue 10/217:00 amYUL - IAH
1 stop10h 59mDelta
Deal found 6/10$438
This Kiwi.com deal was found by Cheapflights users on 6/12. 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.
Sat 7/263:00 pmIAH - YXU
1 stop13h 14mMultiple Airlines
Mon 8/49:45 pmYXU - IAH
2 stops25h 52mMultiple Airlines
Deal found 6/12$459
This Booking.com deal was found by Cheapflights users on 6/10. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/2811:05 amIAH - YUL
Nonstop3h 38mAir Canada
Sun 1/115:40 pmYUL - IAH
Nonstop4h 39mAir Canada
Deal found 6/10$472
This Mytrip deal was found by Cheapflights users on 6/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/287:05 amIAH - YHM
3 stops39h 48mMultiple Airlines
Fri 8/16:00 amYHM - IAH
3 stops24h 55mMultiple Airlines
Deal found 6/10$482
This Air Canada deal was found by Cheapflights users on 6/9. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2911:05 amIAH - YTZ
1 stop7h 45mAir Canada
Fri 1/168:50 amYTZ - IAH
2 stops13h 29mAir Canada
Deal found 6/9$534

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 June 12, 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

Thu 6/26

7:15 pm-9:23 pm

1 stop25h 08m

Toronto Pearson Intl

Mon 7/14

7:45 am-3:44 pm

1 stop8h 59m

$271

HoustonToronto

IAH - YTZ

IAHYTZ

Houston George Bush Intcntl

Tue 8/12

9:00 am-8:02 pm

1 stop10h 02m

Toronto Island

Wed 8/20

7:55 am-11:40 pm

1 stop16h 45m

$306

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Tue 7/8

6:15 am-5:15 pm

1 stop10h 00m

Ottawa

Tue 7/15

4:10 pm-8:58 am

1 stop17h 48m

$359

HoustonMontreal

IAH - YUL

IAHYUL

Houston George Bush Intcntl

Thu 9/4

5:00 am-5:55 pm

1 stop11h 55m

Montreal Pierre Elliott Trudeau Intl

Sun 9/7

6:35 pm-1:22 pm

1 stop19h 47m

$362

HoustonToronto

IAH - YKF

IAHYKF

Houston George Bush Intcntl

Mon 9/1

3:00 pm-5:30 am

2 stops13h 30m

Toronto Region of Waterloo Intl

Tue 9/9

6:00 am-1:44 pm

2 stops32h 44m

$387

HoustonToronto

IAH - YYZ

IAHYYZ

Houston George Bush Intcntl

Wed 10/15

1:13 pm-11:29 pm

1 stop9h 16m

Toronto Pearson Intl

Mon 10/20

1:15 pm-11:35 pm

1 stop11h 20m

$407

HoustonMontreal

IAH - YUL

IAHYUL

Houston George Bush Intcntl

Thu 9/4

6:39 pm-11:45 am

1 stop16h 06m

Montreal Pierre Elliott Trudeau Intl

Sun 9/7

5:15 pm-9:24 am

1 stop17h 09m

$410

HoustonLondon

IAH - YXU

IAHYXU

Houston George Bush Intcntl

Sat 7/26

3:00 pm-5:14 am

1 stop13h 14m

London

Mon 8/4

9:45 pm-10:37 pm

2 stops25h 52m

$459

HoustonHamilton

IAH - YHM

IAHYHM

Houston George Bush Intcntl

Mon 7/28

7:05 am-11:53 pm

3 stops39h 48m

Hamilton

Fri 8/1

6:00 am-5:55 am

3 stops24h 55m

$482

HoustonMontreal

IAH - YUL

IAHYUL

Houston George Bush Intcntl

Thu 8/14

10:00 am-3:01 pm

Nonstop4h 01m

Montreal Pierre Elliott Trudeau Intl

Wed 9/3

4:30 pm-7:42 pm

Nonstop4h 12m

$521

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 41 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 $353). 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 June 12, 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 June 12, 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 (11 on average).

Rainfall in Ontario by month

Plan your trip to Ontario by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Region of Ontario ranges from 2.0 - 3.3 inches per month. June is typically the wettest month, when rainfall can reach 3.3 in. February is typically the driest time to visit Region of Ontario when rainfall is around 2.0 in.

Temperature in Ontario by month

Plan your trip to Ontario by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Region of Ontario, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 21.2 F).

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 June 12, 2025.
Peruse reviews from past customers who have flown with Delta, United Airlines and American Airlines from Houston to Ontario to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,950 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,790 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
WestJet
7.2
Good
2,868 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Air Canada
7.1
Good
9,531 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 Delta, with whom users have recently found tickets for as low as $205. However, be on the lookout for offers from WestJet and Air Canada, 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 (75%), Brussels Airlines (73%), United Airlines (73%).

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

    On average you can expect to pay $1,875 for a flight from Houston George Bush Intcntl Airport to Region of Ontario. The cheapest flight overall is $208 while the most popular route, (Houston George Bush Intcntl - Toronto Pearson Intl) is currently priced at $251.

  • 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 $353). 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$218Average$498FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$246Average$684FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$260Average$721FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$297Average$513FlexibilityNo cancel feeOn-time71%

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