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Cheap flights from Houston George Bush Intcntl Airport to Ontario from C$ 151

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 13/12. Fares are subject to change and may not be available on all flights or dates of travel.
IAH — YYZ
27 Nov — 4 Dec1
1 adult
1 adult, Economy, 0 bags

Find 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 28 October 2025.

Thu 4/121:35 p.m.IAH - YOW
1 stop10h 05mWestJet
Thu 11/126:00 a.m.YOW - IAH
1 stop12h 29mWestJet
Deal found 27/10C$ 364
Wed 19/111:35 p.m.IAH - YYZ
1 stop9h 51mWestJet
Sat 22/116:30 a.m.YYZ - IAH
1 stop11h 59mWestJet
Deal found 25/10C$ 404
Thu 27/119:27 p.m.IAH - YYZ
2 stops34h 11mMultiple Airlines
Mon 1/127:15 a.m.YYZ - IAH
1 stop13h 34mMultiple Airlines
Deal found 27/10C$ 406
Wed 24/1212:50 p.m.IAH - YYZ
1 stop7h 29mMultiple Airlines
Sun 4/17:10 a.m.YYZ - IAH
1 stop25h 11mMultiple Airlines
Deal found 28/10C$ 407
Wed 19/1111:52 a.m.IAH - YYZ
2 stops25h 48mMultiple Airlines
Sat 22/117:00 a.m.YYZ - IAH
1 stop9h 07mMultiple Airlines
Deal found 25/10C$ 408
Mon 24/116:09 p.m.IAH - YYZ
1 stop16h 34mMultiple Airlines
Mon 1/125:15 p.m.YYZ - IAH
1 stop22h 25mMultiple Airlines
Deal found 27/10C$ 410
Fri 12/1212:50 p.m.IAH - YYZ
1 stop7h 29mMultiple Airlines
Mon 12/17:10 a.m.YYZ - IAH
1 stop12h 54mMultiple Airlines
Deal found 26/10C$ 411
Fri 14/115:27 p.m.IAH - YYZ
1 stop17h 16mMultiple Airlines
Mon 17/1112:50 p.m.YYZ - IAH
1 stop21h 43mMultiple Airlines
Deal found 25/10C$ 413
Thu 18/125:46 a.m.IAH - YYZ
1 stop7h 34mMultiple Airlines
Tue 6/13:40 p.m.YYZ - IAH
1 stop18h 23mMultiple Airlines
Deal found 25/10C$ 414
Wed 26/118:08 p.m.IAH - YYZ
1 stop27h 03mMultiple Airlines
Sun 30/118:00 p.m.YYZ - IAH
1 stop24h 49mMultiple Airlines
Deal found 28/10C$ 418
Fri 7/115:56 p.m.IAH - YYZ
2 stops19h 24mMultiple Airlines
Mon 10/1112:50 p.m.YYZ - IAH
1 stop21h 43mMultiple Airlines
Deal found 26/10C$ 422
Sun 7/126:05 a.m.IAH - YYZ
2 stops16h 33mMultiple Airlines
Mon 8/125:15 p.m.YYZ - IAH
1 stop26h 14mMultiple Airlines
Deal found 27/10C$ 424

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 28 October 2025.

Round-trip from

C$ 364

One-way from

C$ 151

Popular in

March

Cheapest in

February

Average price

C$ 848

Good round-trip deal

C$ 860 or less

Good one-way deal

C$ 429 or less
WestJet
  • WestJet
  • 4/12-11/12
  • 2 total stops
  • 22h 34m total
  • Houston to Ontario
Search Deals
13/12
  • 13/12
  • 2 total stops
  • 22h 37m total
  • Houston to Ontario
Search Deals
High demand for flights, 10% potential price rise
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 17 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
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 28 October 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

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Tue 25/11

6:09 p.m.-5:25 p.m.

1 stop22h 16m

Ottawa

Tue 2/12

4:15 p.m.-12:41 a.m.

1 stop9h 26m

C$ 449

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Thu 4/12

7:25 p.m.-4:51 p.m.

2 stops20h 26m

Ottawa

Thu 11/12

10:50 a.m.-12:57 a.m.

2 stops15h 07m

C$ 457

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Fri 19/12

8:59 a.m.-5:13 p.m.

1 stop7h 14m

Ottawa

Thu 8/1

4:20 p.m.-7:54 a.m.

1 stop16h 34m

C$ 457

HoustonToronto

IAH - YKF

IAHYKF

Houston George Bush Intcntl

Fri 28/11

1:35 p.m.-5:28 a.m.

1 stop14h 53m

Toronto Region of Waterloo Intl

Thu 4/12

7:05 a.m.-5:29 p.m.

1 stop11h 24m

C$ 466

HoustonHamilton

IAH - YHM

IAHYHM

Houston George Bush Intcntl

Thu 15/1

6:20 p.m.-1:22 p.m.

1 stop18h 02m

Hamilton

Mon 19/1

6:10 p.m.-5:29 p.m.

1 stop24h 19m

C$ 497

HoustonMontreal

IAH - YUL

IAHYUL

Houston George Bush Intcntl

Wed 26/11

6:09 p.m.-4:55 p.m.

2 stops21h 46m

Montreal Pierre Elliott Trudeau Intl

Sun 30/11

4:35 p.m.-7:49 p.m.

1 stop28h 14m

C$ 506

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Thu 20/11

5:34 a.m.-5:25 p.m.

1 stop10h 51m

Ottawa

Tue 25/11

9:30 a.m.-10:00 p.m.

1 stop13h 30m

C$ 513

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Sat 8/11

10:28 a.m.-11:58 p.m.

1 stop12h 30m

Ottawa

Thu 13/11

9:25 a.m.-12:08 a.m.

2 stops15h 43m

C$ 516

HoustonToronto

IAH - YTZ

IAHYTZ

Houston George Bush Intcntl

Mon 8/12

7:44 p.m.-1:42 p.m.

1 stop16h 58m

Toronto Island

Sun 4/1

2:05 p.m.-7:21 a.m.

2 stops18h 16m

C$ 524

HoustonToronto

IAH - YTZ

IAHYTZ

Houston George Bush Intcntl

Thu 20/11

7:50 a.m.-8:00 p.m.

2 stops11h 10m

Toronto Island

Thu 27/11

9:15 a.m.-7:00 p.m.

1 stop10h 45m

C$ 527

Flights are sorted by cheapest round-trip flights first.

Deals found on 27/10

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 C$ 304). Flying from Houston George Bush Intcntl Airport to Region of Ontario in September is currently the most expensive (average of C$ 389). 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 28 October 2025.

A simple way to save on the total cost of your ticket is to fly from Houston George Bush Intcntl Airport to Region of Ontario in the evening. If you’re flexible enough to do this you can expect to save up to 64% on your trip compared to booking a flight in the morning.

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 28 October 2025.
See what other customers who have flown with 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.
Air Canada
7.1
Good
10,371 reviews
Check prices

Boarding

7.3

Comfort

7.1

Crew

7.8

Entertainment

6.8

Overall

7.1

Food

6.3

Reviews

1 / 20
2.0
Mediocre

Shawna,Sep 2025

DCA - YYZ

Business class cabin was *freezing*. Landing was so hard it injured my back - no apology or explanation given
Air Canada
7.1
Good
10,371 reviews
Air Canada
7.1
Good
10,371 reviews
Check prices

Boarding

7.3

Comfort

7.1

Crew

7.8

Entertainment

6.8

Overall

7.1

Food

6.3

Reviews

1 / 20
2.0
Mediocre

Shawna,Sep 2025

DCA - YYZ

Business class cabin was *freezing*. Landing was so hard it injured my back - no apology or explanation given

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, Alaska Airlines, and United Airlines fly from Houston George Bush Intcntl Airport to Region of Ontario in about 10h 02m. The time it takes to get you to your destination can typically vary by up to 9h 16m. 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 (80%), Air Canada (69%), United Airlines (69%).

  • 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$ 694, our data shows the cheapest flight currently is C$ 271. When looking at the most popular route, (Houston George Bush Intcntl - Toronto Pearson Intl), you can expect to pay C$ 318 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, January is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Region of Ontario (average of C$ 304). Flying from Houston George Bush Intcntl Airport to Region of Ontario in September is currently the most expensive (average of C$ 389). 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 airline flying from George Bush Intcntl to Ontario

Discover the top airline 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 28 October 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 409AverageC$ 887FlexibilityNo 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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Why should you use Cheapflights to find cheap flight tickets from George Bush Intcntl to Ontario?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from George Bush Intcntl to Ontario.

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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