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Cheap flights from Houston George Bush Intcntl Airport to Ontario from C$ 276

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 1/9. Fares are subject to change and may not be available on all flights or dates of travel.
IAH — YYZ
22 Aug — 29 Aug1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from George Bush Intcntl to Ontario

Enter your travel dates to find the best prices.

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 23 July 2026.

Thu 1/108:36 a.m.
IAH
-
YYZ
1 stop11h 19m
Multiple Airlines
Sat 31/106:30 a.m.
YYZ
-
IAH
1 stop13h 23m
Multiple Airlines
Deal found 23/7C$ 412
Thu 15/108:36 a.m.
IAH
-
YYZ
1 stop11h 19m
Multiple Airlines
Fri 30/107:15 a.m.
YYZ
-
IAH
1 stop14h 05m
Multiple Airlines
Deal found 18/7C$ 428
Mon 21/98:36 a.m.
IAH
-
YYZ
1 stop11h 19m
Multiple Airlines
Thu 1/106:30 a.m.
YYZ
-
IAH
1 stop9h 36m
Multiple Airlines
Deal found 22/7C$ 433
Mon 21/98:36 a.m.
IAH
-
YYZ
1 stop11h 19m
Multiple Airlines
Mon 28/91:30 p.m.
YYZ
-
IAH
2 stops26h 35m
Multiple Airlines
Deal found 22/7C$ 438
Thu 22/108:36 a.m.
IAH
-
YYZ
1 stop11h 19m
Multiple Airlines
Sun 25/1011:15 a.m.
YYZ
-
IAH
1 stop28h 51m
Multiple Airlines
Deal found 19/7C$ 441
Sat 24/106:42 p.m.
IAH
-
YTZ
1 stop25h 08m
Multiple Airlines
Sat 14/1110:10 a.m.
YTZ
-
IAH
1 stop8h 37m
Multiple Airlines
Deal found 20/7C$ 443
Wed 9/96:42 p.m.
IAH
-
YTZ
1 stop22h 18m
Multiple Airlines
Tue 15/91:45 p.m.
YTZ
-
IAH
1 stop29h 02m
Multiple Airlines
Deal found 23/7C$ 444
Thu 22/108:36 a.m.
IAH
-
YYZ
1 stop11h 19m
Multiple Airlines
Tue 27/105:15 p.m.
YYZ
-
IAH
1 stop23h 29m
Multiple Airlines
Deal found 22/7C$ 444
Sat 7/114:39 p.m.
IAH
-
YYZ
1 stop20h 01m
Multiple Airlines
Mon 9/115:15 p.m.
YYZ
-
IAH
1 stop23h 29m
Multiple Airlines
Deal found 21/7C$ 447
Tue 22/98:44 p.m.
IAH
-
YYZ
2 stops19h 11m
Multiple Airlines
Wed 30/99:30 a.m.
YYZ
-
IAH
1 stop30h 36m
Multiple Airlines
Deal found 22/7C$ 448
Thu 1/108:36 a.m.
IAH
-
YYZ
1 stop11h 19m
Multiple Airlines
Sun 1/118:00 p.m.
YYZ
-
IAH
2 stops41h 40m
Multiple Airlines
Deal found 23/7C$ 450
Mon 21/98:36 a.m.
IAH
-
YYZ
1 stop11h 19m
Multiple Airlines
Wed 30/94:45 p.m.
YYZ
-
IAH
2 stops20h 25m
Multiple Airlines
Deal found 22/7C$ 451

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 23 July 2026.

Round-trip from

C$ 412

One-way from

C$ 276

Popular in

February

Cheapest in

September

Average price

C$ 908

Good round-trip deal

C$ 295 or less

Good one-way deal

C$ 414 or less
1/10-31/10
  • 1/10-31/10
  • 2 total stops
  • 24h 42m total
  • Houston to Ontario
Search Deals
1/9
  • 1/9
  • 2 total stops
  • 35h 05m total
  • Houston to Ontario
Search Deals
Highest demand for flights based on searches. 0% potential increase in price (C$ 7 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 19 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 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 629,999 searches. Data last updated 23 July 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

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HoustonToronto

IAH - YTZ

IAHYTZ

Houston George Bush Intcntl

Wed 14/10

6:42 p.m.-2:25 p.m.

1 stop18h 43m

Toronto Island

Sat 17/10

9:15 a.m.-7:49 p.m.

1 stop11h 34m

C$ 578

HoustonToronto

IAH - YTZ

IAHYTZ

Houston George Bush Intcntl

Tue 13/10

6:42 p.m.-2:25 p.m.

1 stop18h 43m

Toronto Island

Sat 17/10

9:15 a.m.-7:49 p.m.

1 stop11h 34m

C$ 578

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Wed 23/9

4:39 p.m.-8:00 p.m.

2 stops26h 21m

Ottawa

Mon 28/9

7:00 a.m.-3:06 p.m.

1 stop9h 06m

C$ 606

HoustonToronto

IAH - YKF

IAHYKF

Houston George Bush Intcntl

Wed 23/9

2:50 p.m.-7:50 p.m.

1 stop28h 00m

Toronto Region of Waterloo Intl

Mon 28/9

8:40 p.m.-1:55 p.m.

1 stop18h 15m

C$ 651

HoustonToronto

IAH - YTZ

IAHYTZ

Houston George Bush Intcntl

Tue 13/10

6:42 p.m.-2:25 p.m.

1 stop18h 43m

Toronto Island

Sun 18/10

9:15 a.m.-7:49 p.m.

1 stop11h 34m

C$ 653

HoustonToronto

IAH - YTZ

IAHYTZ

Houston George Bush Intcntl

Wed 14/10

6:42 p.m.-2:25 p.m.

1 stop18h 43m

Toronto Island

Sun 18/10

9:15 a.m.-7:49 p.m.

1 stop11h 34m

C$ 653

HoustonToronto

IAH - YTZ

IAHYTZ

Houston George Bush Intcntl

Tue 13/10

6:42 p.m.-2:25 p.m.

1 stop18h 43m

Toronto Island

Fri 16/10

9:15 a.m.-7:49 p.m.

1 stop11h 34m

C$ 655

HoustonToronto

IAH - YKF

IAHYKF

Houston George Bush Intcntl

Tue 13/10

2:50 p.m.-7:50 p.m.

1 stop28h 00m

Toronto Region of Waterloo Intl

Sun 18/10

8:40 p.m.-1:55 p.m.

1 stop18h 15m

C$ 698

HoustonToronto

IAH - YKF

IAHYKF

Houston George Bush Intcntl

Mon 14/9

6:30 a.m.-7:50 p.m.

1 stop12h 20m

Toronto Region of Waterloo Intl

Mon 21/9

8:40 p.m.-1:55 p.m.

1 stop18h 15m

C$ 717

HoustonHamilton

IAH - YHM

IAHYHM

Houston George Bush Intcntl

Wed 14/10

2:50 p.m.-5:15 p.m.

1 stop25h 25m

Hamilton

Sun 18/10

6:10 p.m.-1:55 p.m.

1 stop20h 45m

C$ 722

Flights are sorted by cheapest round-trip flights first.

Deals found on 23/7

Showing 1-10 of 60 resultsSorted by cheapest first
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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, September is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Region of Ontario (average of C$ 700). Flying from Houston George Bush Intcntl Airport to Region of Ontario in February is currently the most expensive (average of C$ 1,087). 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 23 July 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 23 July 2026.

The most flights from IAH to CAON are scheduled on a Monday (13 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (8 on average).

How much does it cost to fly round-trip from Houston George Bush Intcntl Airport to Region of Ontario?

Airfare is below average for this route at the moment.
Houston George Bush Intcntl Airport to Region of Ontario flights typically cost between C$ 560 and C$ 1,049 in October.
The cheapest round-trip price found within the last 5 days was C$ 412 on Multiple Airlines (1 Oct-31 Oct).

How far ahead should I book a flight from Houston George Bush Intcntl Airport to Region of Ontario?

To ensure you get the cheapest price possible for a flight from Houston George Bush Intcntl Airport to Region of Ontario, you should look to book at least 85 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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 23 July 2026.
See what other customers who have flown with United Airlines and Air Canada from Houston George Bush Intcntl Airport to Ontario have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
10,026 reviews
Check prices

Boarding

7.7

Crew

8.1

Entertainment

7.1

Overall

7.4

Comfort

7.3

Food

6.6

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
United Airlines
7.4
Good
10,026 reviews
United Airlines
7.4
Good
10,026 reviews
Check prices

Boarding

7.7

Crew

8.1

Entertainment

7.1

Overall

7.4

Comfort

7.3

Food

6.6

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
Air Canada
7.1
Good
11,373 reviews
United Airlines
7.4
Good
10,026 reviews
Check prices

Boarding

7.7

Crew

8.1

Entertainment

7.1

Overall

7.4

Comfort

7.3

Food

6.6

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

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?

    Airlines like WestJet and Delta fly from Houston George Bush Intcntl Airport to Region of Ontario in about 6h. The time it takes to get you to your destination can typically vary by up to 22h. The distance between Houston George Bush Intcntl Airport and Region of Ontario is about 2060 km. This flight may include one or multiple stops.

  • What are the most popular routes from Houston George Bush Intcntl Airport to Region of Ontario?

    When deciding which route to take from Houston George Bush Intcntl Airport to Region of Ontario consider Houston George Bush Intcntl - Toronto Pearson Intl, Houston George Bush Intcntl - Montreal Pierre Elliott Trudeau Intl or Houston George Bush Intcntl - Toronto Island as they are the most popular.

  • 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 (61%), United Airlines (61%), Air Canada (59%).

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

    While on average a flight from Houston George Bush Intcntl Airport to Region of Ontario is generally C$ 683, our data shows the cheapest flight currently is C$ 291. When looking at the most popular route, (Houston George Bush Intcntl - Toronto Pearson Intl), you can expect to pay C$ 440 for that flight.

  • 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, September is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Region of Ontario (average of C$ 700). Flying from Houston George Bush Intcntl Airport to Region of Ontario in February is currently the most expensive (average of C$ 1,087). 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 2 airlines flying from George Bush Intcntl to Ontario

Discover the top 2 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 629,999 searches. Data last updated 23 July 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 369AverageC$ 483FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapestC$ 385AverageC$ 838FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

Fly with Cheapflights

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How does Cheapflights help users find flights from George Bush Intcntl to Ontario?

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Can Cheapflights find flights from George Bush Intcntl to Ontario with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from George Bush Intcntl to Ontario, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from George Bush Intcntl to Ontario become cheaper?

Yes! Start tracking prices for George Bush Intcntl to Ontario flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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