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Cheap flights from Houston George Bush Intcntl Airport to Ontario from C$ 174

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 23/4. Fares are subject to change and may not be available on all flights or dates of travel.
IAH — YYZ
10 Apr — 17 Apr1
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 11 March 2026.

Wed 1/44:20 p.m.
IAH
-
YYZ
1 stop21h 00m
Multiple Airlines
Mon 6/47:10 a.m.
YYZ
-
IAH
1 stop29h 36m
Multiple Airlines
Deal found 7/3C$ 392
Wed 1/44:20 p.m.
IAH
-
YYZ
1 stop21h 00m
Multiple Airlines
Tue 7/47:10 a.m.
YYZ
-
IAH
1 stop28h 08m
Multiple Airlines
Deal found 7/3C$ 398
Tue 14/46:57 p.m.
IAH
-
YYZ
1 stop18h 23m
Multiple Airlines
Tue 21/46:30 a.m.
YYZ
-
IAH
1 stop17h 17m
Multiple Airlines
Deal found 7/3C$ 414
Mon 30/39:15 p.m.
IAH
-
YYZ
1 stop16h 05m
Multiple Airlines
Mon 6/47:10 a.m.
YYZ
-
IAH
1 stop28h 08m
Multiple Airlines
Deal found 10/3C$ 420
Thu 2/41:17 p.m.
IAH
-
YYZ
1 stop24h 03m
Multiple Airlines
Mon 6/47:10 a.m.
YYZ
-
IAH
1 stop29h 36m
Multiple Airlines
Deal found 7/3C$ 422
Wed 1/44:20 p.m.
IAH
-
YYZ
1 stop21h 00m
Multiple Airlines
Wed 15/46:30 a.m.
YYZ
-
IAH
1 stop17h 17m
Multiple Airlines
Deal found 9/3C$ 428
Wed 15/410:30 a.m.
IAH
-
YYZ
2 stops18h 43m
Multiple Airlines
Sun 19/48:30 p.m.
YYZ
-
IAH
1 stop26h 25m
Multiple Airlines
Deal found 6/3C$ 430
Tue 31/36:46 a.m.
IAH
-
YYZ
1 stop27h 49m
Multiple Airlines
Mon 6/47:10 a.m.
YYZ
-
IAH
1 stop29h 36m
Multiple Airlines
Deal found 7/3C$ 432
Wed 22/412:27 p.m.
IAH
-
YTZ
1 stop24h 15m
Multiple Airlines
Sun 26/42:05 p.m.
YTZ
-
IAH
2 stops33h 28m
Multiple Airlines
Deal found 6/3C$ 439
Thu 23/49:46 a.m.
IAH
-
YUL
1 stop13h 59m
Multiple Airlines
Thu 30/46:45 a.m.
YUL
-
IAH
1 stop9h 26m
Multiple Airlines
Deal found 7/3C$ 452
Thu 23/49:46 a.m.
IAH
-
YUL
1 stop13h 59m
Multiple Airlines
Wed 29/44:35 p.m.
YUL
-
IAH
1 stop18h 08m
Multiple Airlines
Deal found 9/3C$ 477
Wed 22/46:00 a.m.
IAH
-
YUL
1 stop8h 10m
Multiple Airlines
Wed 29/46:45 a.m.
YUL
-
IAH
1 stop17h 02m
Multiple Airlines
Deal found 7/3C$ 481

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 11 March 2026.

Round-trip from

C$ 392

One-way from

C$ 174

Popular in

February

Cheapest in

April

Average price

C$ 931

Good round-trip deal

C$ 334 or less

Good one-way deal

C$ 425 or less
1/4-6/4
  • 1/4-6/4
  • 2 total stops
  • 50h 36m total
  • Houston to Ontario
Search Deals
23/4
  • 23/4
  • 1 total stop
  • 13h 59m total
  • Houston to Ontario
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (C$ 103 potential increase over avg. RT price).
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 March 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 11 March 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 22/4

12:27 p.m.-1:42 p.m.

1 stop24h 15m

Toronto Island

Sun 26/4

2:05 p.m.-10:33 p.m.

2 stops33h 28m

C$ 439

HoustonToronto

IAH - YTZ

IAHYTZ

Houston George Bush Intcntl

Wed 8/4

7:05 a.m.-8:03 p.m.

2 stops11h 58m

Toronto Island

Thu 9/4

9:25 a.m.-10:47 a.m.

1 stop26h 22m

C$ 513

HoustonToronto

IAH - YTZ

IAHYTZ

Houston George Bush Intcntl

Thu 9/4

7:05 a.m.-6:55 p.m.

1 stop10h 50m

Toronto Island

Sun 12/4

2:30 p.m.-12:32 p.m.

1 stop23h 02m

C$ 574

HoustonToronto

IAH - YKF

IAHYKF

Houston George Bush Intcntl

Wed 22/4

6:20 p.m.-5:29 a.m.

1 stop10h 09m

Toronto Region of Waterloo Intl

Sun 26/4

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

1 stop18h 15m

C$ 577

HoustonToronto

IAH - YTZ

IAHYTZ

Houston George Bush Intcntl

Mon 20/4

6:58 p.m.-10:25 a.m.

1 stop14h 27m

Toronto Island

Fri 24/4

2:30 p.m.-10:37 a.m.

1 stop21h 07m

C$ 577

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Fri 8/5

6:00 a.m.-3:15 p.m.

1 stop8h 15m

Ottawa

Mon 11/5

2:20 p.m.-5:03 p.m.

2 stops27h 43m

C$ 606

HoustonToronto

IAH - YKF

IAHYKF

Houston George Bush Intcntl

Tue 2/6

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

1 stop28h 00m

Toronto Region of Waterloo Intl

Tue 9/6

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

1 stop18h 15m

C$ 619

HoustonToronto

IAH - YKF

IAHYKF

Houston George Bush Intcntl

Thu 7/5

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

1 stop28h 00m

Toronto Region of Waterloo Intl

Sun 10/5

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

1 stop18h 15m

C$ 644

HoustonToronto

IAH - YTZ

IAHYTZ

Houston George Bush Intcntl

Fri 27/3

7:05 a.m.-4:25 p.m.

1 stop8h 20m

Toronto Island

Tue 31/3

3:00 p.m.-10:56 p.m.

2 stops8h 56m

C$ 657

HoustonHamilton

IAH - YHM

IAHYHM

Houston George Bush Intcntl

Tue 2/6

6:30 a.m.-5:15 p.m.

1 stop9h 45m

Hamilton

Tue 9/6

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

1 stop20h 45m

C$ 667

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/3

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, April is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Region of Ontario (average of C$ 301). Flying from Houston George Bush Intcntl Airport to Region of Ontario in February is currently the most expensive (average of C$ 601). 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 11 March 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 11 March 2026.

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 (10 on average).

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

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 11 March 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
9,413 reviews
Check prices

Comfort

7.3

Boarding

7.7

Food

6.6

Crew

8.1

Entertainment

7.1

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.
United Airlines
7.4
Good
9,413 reviews
United Airlines
7.4
Good
9,413 reviews
Check prices

Comfort

7.3

Boarding

7.7

Food

6.6

Crew

8.1

Entertainment

7.1

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.
Air Canada
7.1
Good
10,800 reviews
United Airlines
7.4
Good
9,413 reviews
Check prices

Comfort

7.3

Boarding

7.7

Food

6.6

Crew

8.1

Entertainment

7.1

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.

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, Delta, and United Airlines fly from Houston George Bush Intcntl Airport to Region of Ontario in about 10h 09m. The time it takes to get you to your destination can typically vary by up to 5h 11m. The distance between Houston George Bush Intcntl Airport and Region of Ontario is about 1997 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 (81%), Emirates (74%), Air Canada (73%).

  • 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$ 706, our data shows the cheapest flight currently is C$ 276. When looking at the most popular route, (Houston George Bush Intcntl - Toronto Pearson Intl), you can expect to pay C$ 443 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, April is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Region of Ontario (average of C$ 301). Flying from Houston George Bush Intcntl Airport to Region of Ontario in February is currently the most expensive (average of C$ 601). 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 11 March 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 355AverageC$ 795FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapestC$ 371AverageC$ 885FlexibilityNo 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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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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