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Cheap flights from Houston George Bush Intcntl Airport to Ontario from C$ 191

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 11/6. Fares are subject to change and may not be available on all flights or dates of travel.
IAH — YYZ
28 May — 4 Jun1
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 28 April 2026.

Mon 11/510:05 p.m.
IAH
-
YYZ
2 stops46h 50m
Multiple Airlines
Tue 9/66:30 a.m.
YYZ
-
IAH
1 stop9h 52m
Multiple Airlines
Deal found 23/4C$ 405
Mon 11/510:05 p.m.
IAH
-
YYZ
2 stops46h 50m
Multiple Airlines
Tue 2/66:30 a.m.
YYZ
-
IAH
1 stop9h 33m
Multiple Airlines
Deal found 23/4C$ 409
Mon 11/510:05 p.m.
IAH
-
YTZ
2 stops41h 35m
Multiple Airlines
Wed 27/51:50 p.m.
YTZ
-
IAH
1 stop10h 39m
Multiple Airlines
Deal found 23/4C$ 410
Mon 1/68:29 a.m.
IAH
-
YYZ
1 stop28h 36m
Multiple Airlines
Mon 8/68:10 a.m.
YYZ
-
IAH
2 stops39h 38m
Multiple Airlines
Deal found 25/4C$ 416
Mon 11/510:05 p.m.
IAH
-
YYZ
2 stops46h 50m
Multiple Airlines
Fri 5/69:45 a.m.
YYZ
-
IAH
1 stop27h 48m
Multiple Airlines
Deal found 23/4C$ 421
Mon 1/68:29 a.m.
IAH
-
YYZ
1 stop28h 36m
Multiple Airlines
Tue 9/66:30 a.m.
YYZ
-
IAH
2 stops17h 18m
Multiple Airlines
Deal found 25/4C$ 423
Thu 14/510:05 p.m.
IAH
-
YYZ
2 stops23h 40m
Multiple Airlines
Sat 23/51:30 p.m.
YYZ
-
IAH
1 stop26h 33m
Multiple Airlines
Deal found 23/4C$ 425
Mon 11/510:05 p.m.
IAH
-
YYZ
2 stops46h 50m
Multiple Airlines
Wed 27/59:30 a.m.
YYZ
-
IAH
1 stop24h 33m
Multiple Airlines
Deal found 23/4C$ 428
Mon 11/510:05 p.m.
IAH
-
YYZ
2 stops46h 50m
Multiple Airlines
Sun 7/67:30 a.m.
YYZ
-
IAH
1 stop26h 33m
Multiple Airlines
Deal found 23/4C$ 431
Mon 11/510:05 p.m.
IAH
-
YYZ
2 stops46h 50m
Multiple Airlines
Wed 3/69:30 a.m.
YYZ
-
IAH
1 stop14h 20m
Multiple Airlines
Deal found 23/4C$ 435
Thu 28/57:28 p.m.
IAH
-
YYZ
2 stops20h 41m
Multiple Airlines
Wed 3/69:30 a.m.
YYZ
-
IAH
1 stop14h 20m
Multiple Airlines
Deal found 26/4C$ 446
Wed 27/55:45 a.m.
IAH
-
YYZ
2 stops31h 20m
Multiple Airlines
Wed 3/69:50 a.m.
YYZ
-
IAH
1 stop24h 00m
Multiple Airlines
Deal found 27/4C$ 448

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 28 April 2026.

Round-trip from

C$ 405

One-way from

C$ 191

Popular in

February

Cheapest in

September

Average price

C$ 878

Good round-trip deal

C$ 453 or less

Good one-way deal

C$ 393 or less
11/5-9/6
  • 11/5-9/6
  • 3 total stops
  • 56h 42m total
  • Houston to Ontario
Search Deals
11/6
  • 11/6
  • 2 total stops
  • 14h 35m total
  • Houston to Ontario
Search Deals
Highest demand for flights based on searches. 1% potential increase in price (C$ 21 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 16 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 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 28 April 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

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Thu 4/6

7:00 a.m.-8:05 p.m.

2 stops12h 05m

Ottawa

Tue 9/6

2:20 p.m.-10:53 a.m.

1 stop21h 33m

C$ 588

HoustonToronto

IAH - YTZ

IAHYTZ

Houston George Bush Intcntl

Mon 8/6

6:50 a.m.-3:05 p.m.

1 stop7h 15m

Toronto Island

Mon 15/6

10:50 a.m.-8:47 a.m.

2 stops46h 57m

C$ 608

HoustonToronto

IAH - YTZ

IAHYTZ

Houston George Bush Intcntl

Fri 26/6

4:21 p.m.-1:00 p.m.

1 stop19h 39m

Toronto Island

Sat 4/7

11:20 a.m.-9:13 p.m.

2 stops10h 53m

C$ 619

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Thu 11/6

7:24 p.m.-12:20 a.m.

2 stops27h 56m

Ottawa

Mon 15/6

7:00 a.m.-2:52 p.m.

1 stop8h 52m

C$ 633

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Tue 12/5

7:44 p.m.-4:50 p.m.

2 stops20h 06m

Ottawa

Sat 16/5

7:00 a.m.-11:36 p.m.

1 stop17h 36m

C$ 642

HoustonHamilton

IAH - YHM

IAHYHM

Houston George Bush Intcntl

Tue 16/6

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

1 stop9h 45m

Hamilton

Thu 18/6

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

1 stop20h 45m

C$ 658

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Fri 12/6

7:00 a.m.-12:20 a.m.

2 stops16h 20m

Ottawa

Sun 14/6

6:25 p.m.-10:50 p.m.

3 stops29h 25m

C$ 688

HoustonToronto

IAH - YTZ

IAHYTZ

Houston George Bush Intcntl

Wed 27/5

11:49 a.m.-9:35 a.m.

2 stops20h 46m

Toronto Island

Wed 3/6

8:15 p.m.-1:25 p.m.

2 stops18h 10m

C$ 702

HoustonHamilton

IAH - YHM

IAHYHM

Houston George Bush Intcntl

Thu 11/6

1:46 p.m.-5:15 p.m.

3 stops26h 29m

Hamilton

Wed 8/7

6:15 a.m.-10:40 p.m.

2 stops17h 25m

C$ 702

HoustonHamilton

IAH - YHM

IAHYHM

Houston George Bush Intcntl

Fri 5/6

4:06 p.m.-3:55 p.m.

2 stops22h 49m

Hamilton

Mon 15/6

8:15 a.m.-11:36 p.m.

1 stop16h 21m

C$ 710

Flights are sorted by cheapest round-trip flights first.

Deals found on 26/4

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

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 44 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.

What is the cheapest month to book a flight from Houston George Bush Intcntl Airport to Region of Ontario?

Currently, November is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Region of Ontario (average of C$ 104). Flying from Houston George Bush Intcntl Airport to Region of Ontario in February is currently the most expensive (average of C$ 394). 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 April 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 28 April 2026.

The most flights from IAH to CAON are scheduled on a Monday (11 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (3 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 28 April 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
9,672 reviews
Check prices

Comfort

7.3

Food

6.6

Entertainment

7.1

Crew

8.1

Boarding

7.7

Overall

7.4

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.
United Airlines
7.4
Good
9,672 reviews
United Airlines
7.4
Good
9,672 reviews
Check prices

Comfort

7.3

Food

6.6

Entertainment

7.1

Crew

8.1

Boarding

7.7

Overall

7.4

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.
Air Canada
7.1
Good
10,975 reviews
United Airlines
7.4
Good
9,672 reviews
Check prices

Comfort

7.3

Food

6.6

Entertainment

7.1

Crew

8.1

Boarding

7.7

Overall

7.4

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.

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 Air Canada fly from Houston George Bush Intcntl Airport to Region of Ontario in about 8h 51m. The time it takes to get you to your destination can typically vary by up to 6h 53m. The distance between Houston George Bush Intcntl Airport and Region of Ontario is about 2068 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: United Airlines (76%), Brussels Airlines (73%), Air New Zealand (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$ 713, our data shows the cheapest flight currently is C$ 308. When looking at the most popular route, (Houston George Bush Intcntl - Toronto Pearson Intl), you can expect to pay C$ 425 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, November is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Region of Ontario (average of C$ 104). Flying from Houston George Bush Intcntl Airport to Region of Ontario in February is currently the most expensive (average of C$ 394). 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 28 April 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 357AverageC$ 799FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapestC$ 372AverageC$ 899FlexibilityNo 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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