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$113+ 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 3/25. Fares are subject to change and may not be available on all flights or dates of travel.
IAH — YYZ
Mar 14 — Mar 211
Sat 3/14
Sat 3/21
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 February 12, 2026.

This Kiwi.com deal was found by Cheapflights users on 2/9. 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 5/56:57 pm
IAH
-
YYZ
1 stop24h 08m
Multiple Airlines
Mon 5/117:10 am
YYZ
-
IAH
1 stop26h 28m
Multiple Airlines
Deal found 2/9$243
This Kiwi.com deal was found by Cheapflights users on 2/9. 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 5/56:57 pm
IAH
-
YYZ
1 stop24h 08m
Multiple Airlines
Tue 5/127:45 am
YYZ
-
IAH
1 stop25h 53m
Multiple Airlines
Deal found 2/9$245
This Mytrip deal was found by Cheapflights users on 2/12. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/97:35 am
IAH
-
YYZ
1 stop11h 20m
Multiple Airlines
Sun 4/123:40 pm
YYZ
-
IAH
1 stop18h 00m
Multiple Airlines
Deal found 2/12$251
This oojo deal was found by Cheapflights users on 2/11. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/256:20 pm
IAH
-
YKF
1 stop10h 09m
WestJet
Mon 3/306:20 am
YKF
-
IAH
1 stop12h 10m
WestJet
Deal found 2/11$256
This Kiwi.com deal was found by Cheapflights users on 2/10. 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 5/126:57 pm
IAH
-
YYZ
1 stop24h 08m
Multiple Airlines
Mon 5/188:10 am
YYZ
-
IAH
1 stop8h 22m
Multiple Airlines
Deal found 2/10$257
This Kiwi.com deal was found by Cheapflights users on 2/10. 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.
Fri 4/1011:42 am
IAH
-
YYZ
1 stop10h 38m
Multiple Airlines
Sun 4/123:40 pm
YYZ
-
IAH
1 stop18h 00m
Multiple Airlines
Deal found 2/10$258
This Kiwi.com deal was found by Cheapflights users on 2/10. 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.
Wed 2/259:40 pm
IAH
-
YYZ
1 stop25h 34m
Multiple Airlines
Mon 3/23:40 pm
YYZ
-
IAH
1 stop17h 20m
Multiple Airlines
Deal found 2/10$261
This Kiwi.com deal was found by Cheapflights users on 2/12. 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 4/1112:02 pm
IAH
-
YYZ
1 stop10h 18m
Multiple Airlines
Thu 4/168:00 pm
YYZ
-
IAH
1 stop20h 32m
Multiple Airlines
Deal found 2/12$262
This Kiwi.com deal was found by Cheapflights users on 2/10. 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.
Wed 3/254:11 pm
IAH
-
YYZ
1 stop7h 03m
Multiple Airlines
Tue 3/313:40 pm
YYZ
-
IAH
1 stop9h 19m
Multiple Airlines
Deal found 2/10$265
This Kiwi.com deal was found by Cheapflights users on 2/9. 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 3/109:40 pm
IAH
-
YYZ
1 stop25h 34m
Multiple Airlines
Tue 3/173:40 pm
YYZ
-
IAH
1 stop18h 00m
Multiple Airlines
Deal found 2/9$268
This Kiwi.com deal was found by Cheapflights users on 2/10. 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 4/239:41 am
IAH
-
YUL
1 stop29h 47m
Multiple Airlines
Mon 4/278:00 am
YUL
-
IAH
1 stop25h 45m
Multiple Airlines
Deal found 2/10$269
This Kiwi.com deal was found by Cheapflights users on 2/10. 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.
Sun 3/18:18 pm
IAH
-
YYZ
1 stop26h 56m
Multiple Airlines
Sun 3/88:00 pm
YYZ
-
IAH
1 stop16h 11m
Multiple Airlines
Deal found 2/10$272

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 February 12, 2026.

Round-trip from

$243
(Kiwi.com)

One-way from

$113
(Kiwi.com)

Popular in

December

Cheapest in

April

Average price

$681

Good round-trip deal

$698 or less

Good one-way deal

$270 or less
From Houston George Bush Intcntl to Ontario
Search Deals
One-way flight from Houston George Bush Intcntl to Ontario
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($40 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 0% potential price decrease ($7 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals
Price to beat on a round-trip flight from Houston George Bush Intcntl to Ontario.
Search Deals
Price to beat on a one-way flight from Houston George Bush Intcntl to Ontario.
Search Deals

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 February 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

HoustonToronto

IAH - YKF

IAHYKF

Houston George Bush Intcntl

Wed 3/25

6:20 pm-5:29 am

1 stop10h 09m

Toronto Region of Waterloo Intl

Mon 3/30

6:20 am-5:30 pm

1 stop12h 10m

$256

HoustonToronto

IAH - YKF

IAHYKF

Houston George Bush Intcntl

Wed 3/25

6:20 pm-5:29 am

1 stop10h 09m

Toronto Region of Waterloo Intl

Tue 3/31

6:20 am-5:30 pm

1 stop12h 10m

$287

HoustonMontreal

IAH - YUL

IAHYUL

Houston George Bush Intcntl

Thu 4/23

9:41 am-4:28 pm

1 stop29h 47m

Montreal Pierre Elliott Trudeau Intl

Sun 4/26

8:00 am-11:48 pm

1 stop16h 48m

$289

HoustonMontreal

IAH - YUL

IAHYUL

Houston George Bush Intcntl

Fri 4/17

5:05 am-4:28 pm

2 stops10h 23m

Montreal Pierre Elliott Trudeau Intl

Sun 4/19

8:00 am-8:45 am

1 stop25h 45m

$313

HoustonHamilton

IAH - YHM

IAHYHM

Houston George Bush Intcntl

Wed 3/25

6:20 pm-5:16 pm

1 stop21h 56m

Hamilton

Sat 4/11

7:25 am-6:23 pm

1 stop11h 58m

$325

HoustonToronto

IAH - YTZ

IAHYTZ

Houston George Bush Intcntl

Wed 3/25

7:19 pm-10:35 am

1 stop14h 16m

Toronto Island

Tue 3/31

7:35 am-8:40 am

3 stops26h 05m

$331

HoustonToronto

IAH - YTZ

IAHYTZ

Houston George Bush Intcntl

Thu 4/23

9:27 am-8:00 pm

1 stop9h 33m

Toronto Island

Sun 4/26

2:30 pm-8:32 am

1 stop19h 02m

$333

HoustonToronto

IAH - YKF

IAHYKF

Houston George Bush Intcntl

Wed 3/25

1:35 pm-5:29 am

1 stop14h 54m

Toronto Region of Waterloo Intl

Sat 4/11

7:00 pm-5:30 pm

1 stop23h 30m

$340

HoustonToronto

IAH - YKF

IAHYKF

Houston George Bush Intcntl

Fri 4/3

6:20 pm-5:29 am

1 stop10h 09m

Toronto Region of Waterloo Intl

Tue 4/7

6:20 am-12:45 pm

1 stop31h 25m

$340

HoustonToronto

IAH - YTZ

IAHYTZ

Houston George Bush Intcntl

Tue 4/7

7:05 am-6:55 pm

1 stop10h 50m

Toronto Island

Wed 4/8

7:00 am-10:34 pm

2 stops16h 34m

$341

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/9

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, April is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Region of Ontario (average of $222). Flying from Houston George Bush Intcntl Airport to Region of Ontario in February is currently the most expensive (average of $421). 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 February 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 February 12, 2026.

The most flights from IAH to CAON are scheduled on a Monday (11 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 February 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
8,187 reviews

Food

7.2

Comfort

7.9

Overall

7.9

Entertainment

7.8

Boarding

8.1

Crew

8.5

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
8,187 reviews
Delta
7.9
Good
8,187 reviews

Food

7.2

Comfort

7.9

Overall

7.9

Entertainment

7.8

Boarding

8.1

Crew

8.5

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
9,283 reviews
Delta
7.9
Good
8,187 reviews

Food

7.2

Comfort

7.9

Overall

7.9

Entertainment

7.8

Boarding

8.1

Crew

8.5

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
11,277 reviews
Delta
7.9
Good
8,187 reviews

Food

7.2

Comfort

7.9

Overall

7.9

Entertainment

7.8

Boarding

8.1

Crew

8.5

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
10,712 reviews
Delta
7.9
Good
8,187 reviews

Food

7.2

Comfort

7.9

Overall

7.9

Entertainment

7.8

Boarding

8.1

Crew

8.5

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, Delta, and Alaska Airlines can get you from Houston George Bush Intcntl Airport to Region of Ontario in just under 7h 10m. Your travel time can differ by up to 16h 58m. 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 (71%), Air Canada (68%), United Airlines (68%).

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

    On average you can expect to pay $1,099 for a flight from Houston George Bush Intcntl Airport to Region of Ontario. The cheapest flight overall is $228 while the most popular route, (Houston George Bush Intcntl - Toronto Pearson Intl) is currently priced at $240.

  • 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, April is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Region of Ontario (average of $222). Flying from Houston George Bush Intcntl Airport to Region of Ontario in February is currently the most expensive (average of $421). 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.

See more FAQs

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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 February 12, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$209Average$498FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$249Average$652FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$252Average$758FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$453Average$532FlexibilityNo cancel feeOn-time71%

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