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$139+ 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 9/24. Fares are subject to change and may not be available on all flights or dates of travel.
IAH — YYZ
ago. 24 — ago. 311
dom. 8/24
dom. 8/31
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 agosto 19, 2025.

Round-trip from

$294
(oojo)

One-way from

$139
(Kiwi.com)

Popular in

March

Cheapest in

February

Average price

$615

Good round-trip deal

$666 or less

Good one-way deal

$370 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, 8% potential price rise
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Cheapest flight prices on average. 1% potential price decrease ($9 potential savings vs. average RT price).
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Average for round-trip flights in August 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 agosto 19, 2025.

This oojo deal was found by Cheapflights users on 8/17. 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.
vie. 9/128:00 amIAH - YHM
1 stop15h 40mWestJet
lun. 9/156:00 amYHM - IAH
1 stop17h 43mWestJet
Deal found 8/17$294
This Kiwi.com deal was found by Cheapflights users on 8/18. 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.
mié. 9/244:36 pmIAH - YYZ
1 stop23h 00mMultiple Airlines
lun. 9/297:45 amYYZ - IAH
1 stop7h 48mMultiple Airlines
Deal found 8/18$295
This Kiwi.com deal was found by Cheapflights users on 8/18. 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.
mié. 10/298:31 pmIAH - YYZ
1 stop17h 09mMultiple Airlines
dom. 11/211:10 pmYYZ - IAH
2 stops24h 25mMultiple Airlines
Deal found 8/18$296
This oojo deal was found by Cheapflights users on 8/17. 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.
jue. 11/271:35 pmIAH - YOW
1 stop10h 10mWestJet
sáb. 11/296:00 amYOW - IAH
1 stop12h 29mWestJet
Deal found 8/17$297
This Kiwi.com deal was found by Cheapflights users on 8/18. 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.
mar. 9/165:37 amIAH - YYZ
1 stop7h 28mMultiple Airlines
dom. 9/218:00 pmYYZ - IAH
1 stop13h 24mMultiple Airlines
Deal found 8/18$297
This Trip.com deal was found by Cheapflights users on 8/17. 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.
sáb. 9/138:00 amIAH - YHM
1 stop15h 40mWestJet
lun. 9/156:00 amYHM - IAH
1 stop17h 43mWestJet
Deal found 8/17$297
This Kiwi.com deal was found by Cheapflights users on 8/17. 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.
sáb. 9/65:30 amIAH - YYZ
1 stop16h 10mMultiple Airlines
lun. 9/87:45 amYYZ - IAH
1 stop7h 48mMultiple Airlines
Deal found 8/17$299
This Kiwi.com deal was found by Cheapflights users on 8/17. 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. 9/89:29 amIAH - YYZ
1 stop9h 16mMultiple Airlines
vie. 9/1911:00 amYYZ - IAH
1 stop8h 33mMultiple Airlines
Deal found 8/17$301
This Kiwi.com deal was found by Cheapflights users on 8/17. 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.
mar. 9/93:00 pmIAH - YYZ
1 stop14h 52mMultiple Airlines
vie. 9/1911:00 amYYZ - IAH
1 stop8h 33mMultiple Airlines
Deal found 8/17$302
This Kiwi.com deal was found by Cheapflights users on 8/17. 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.
mié. 9/245:30 amIAH - YYZ
1 stop10h 06mMultiple Airlines
mar. 9/306:30 amYYZ - IAH
1 stop12h 42mMultiple Airlines
Deal found 8/17$303
This Kiwi.com deal was found by Cheapflights users on 8/18. 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.
dom. 9/145:05 pmIAH - YTZ
1 stop18h 12mMultiple Airlines
dom. 9/218:45 amYTZ - IAH
1 stop24h 54mMultiple Airlines
Deal found 8/18$304
This Kiwi.com deal was found by Cheapflights users on 8/17. 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.
dom. 9/285:37 amIAH - YYZ
1 stop7h 28mMultiple Airlines
mié. 10/19:35 amYYZ - IAH
1 stop9h 37mMultiple Airlines
Deal found 8/17$304

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 agosto 19, 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

HoustonHamilton

IAH - YHM

IAHYHM

Houston George Bush Intcntl

vie. 9/12

8:00 am-12:40 am

1 stop15h 40m

Hamilton

lun. 9/15

6:00 am-10:43 pm

1 stop17h 43m

$294

HoustonToronto

IAH - YYZ

IAHYYZ

Houston George Bush Intcntl

mié. 10/29

8:31 pm-2:40 pm

1 stop17h 09m

Toronto Pearson Intl

dom. 11/2

11:10 pm-10:35 pm

2 stops24h 25m

$296

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

jue. 11/27

1:35 pm-12:45 am

1 stop10h 10m

Ottawa

sáb. 11/29

6:00 am-5:29 pm

1 stop12h 29m

$297

HoustonHamilton

IAH - YHM

IAHYHM

Houston George Bush Intcntl

sáb. 9/13

8:00 am-12:40 am

1 stop15h 40m

Hamilton

lun. 9/15

6:00 am-10:43 pm

1 stop17h 43m

$297

HoustonToronto

IAH - YYZ

IAHYYZ

Houston George Bush Intcntl

vie. 11/28

6:20 pm-6:13 am

1 stop10h 53m

Toronto Pearson Intl

dom. 11/30

6:30 pm-12:44 pm

1 stop19h 14m

$298

HoustonToronto

IAH - YYZ

IAHYYZ

Houston George Bush Intcntl

vie. 9/26

7:31 pm-2:05 pm

1 stop17h 34m

Toronto Pearson Intl

mar. 9/30

11:00 am-5:50 am

2 stops19h 50m

$299

HoustonToronto

IAH - YYZ

IAHYYZ

Houston George Bush Intcntl

lun. 9/8

9:29 am-7:45 pm

1 stop9h 16m

Toronto Pearson Intl

vie. 9/19

11:00 am-6:33 pm

1 stop8h 33m

$301

HoustonToronto

IAH - YYZ

IAHYYZ

Houston George Bush Intcntl

lun. 9/8

9:29 am-7:45 pm

1 stop9h 16m

Toronto Pearson Intl

lun. 9/22

7:45 am-2:33 pm

1 stop7h 48m

$301

HoustonToronto

IAH - YYZ

IAHYYZ

Houston George Bush Intcntl

lun. 11/24

6:20 pm-7:10 am

1 stop11h 50m

Toronto Pearson Intl

mié. 11/26

7:45 am-5:29 pm

1 stop10h 44m

$302

HoustonToronto

IAH - YYZ

IAHYYZ

Houston George Bush Intcntl

vie. 9/12

8:00 am-6:52 am

1 stop21h 52m

Toronto Pearson Intl

sáb. 9/27

1:30 pm-10:43 pm

1 stop10h 13m

$302

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/16

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 $243). Flying from Houston George Bush Intcntl Airport to Region of Ontario in August is currently the most expensive (average of $348). 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 agosto 19, 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 agosto 19, 2025.

The most flights from IAH to CAON are scheduled on a Monday (12 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (4 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 agosto 19, 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
8.0
Very good
7,981 reviews

Crew

8.5

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Entertainment

7.9

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
7,981 reviews
Delta
8.0
Very good
7,981 reviews

Crew

8.5

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Entertainment

7.9

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
8,922 reviews
Delta
8.0
Very good
7,981 reviews

Crew

8.5

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Entertainment

7.9

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
7,981 reviews

Crew

8.5

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Entertainment

7.9

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
9,997 reviews
Delta
8.0
Very good
7,981 reviews

Crew

8.5

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Entertainment

7.9

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.

  • 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 15h 40m. Your travel time can differ by up to . The distance from Houston George Bush Intcntl Airport to Region of Ontario is about 1245 mi.

  • 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: Austrian Airlines (70%), Air New Zealand (66%), Air Canada (65%).

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

    On average you can expect to pay $922 for a flight from Houston George Bush Intcntl Airport to Region of Ontario. The cheapest flight overall is $284 while the most popular route, (Houston George Bush Intcntl - Toronto Pearson Intl) is currently priced at $237.

  • 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 August is currently the most expensive (average of $348). 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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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 agosto 19, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$218Average$562FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$244Average$682FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$259Average$729FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$453Average$582FlexibilityNo cancel feeOn-time71%

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