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Cheap flights from Ontario to Houston from C$ 242

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 15/7. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — HOU
17 Jun — 24 Jun1
1 adult

Cheap flight deals from Ontario to Houston

Keep the following information in mind while searching for Ontario to Houston flight deals. Data was last updated 12 June 2025.

Round-trip from

C$ 459

One-way from

C$ 242

Popular in

August

Cheapest in

October

Average price

C$ 700
29/7-8/8
  • 29/7-8/8
  • 2 total stops
  • 24h 53m total
  • Ontario to Houston
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8/8
  • 8/8
  • 2 total stops
  • 24h 05m total
  • Ontario to Houston
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (C$ 34 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 0% potential price decrease (C$ 8 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find flight deals from Ontario to Houston

Cheapest flights from Ontario to Houston
Explore the most affordable flight options available from Ontario to Houston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 June 2025.

Tue 29/77:25 p.m.YYZ - IAH
1 stop14h 33mMultiple Airlines
Fri 8/810:03 a.m.IAH - YYZ
1 stop10h 20mMultiple Airlines
Deal found 9/6C$ 459
Fri 22/87:45 a.m.YTZ - IAH
1 stop6h 37mMultiple Airlines
Sat 6/95:00 a.m.IAH - YTZ
1 stop6h 40mMultiple Airlines
Deal found 11/6C$ 465
Mon 21/74:45 p.m.YUL - IAH
2 stops17h 13mMultiple Airlines
Tue 22/75:57 p.m.IAH - YUL
1 stop17h 28mMultiple Airlines
Deal found 11/6C$ 474
Wed 9/74:25 p.m.YOW - IAH
1 stop8h 00mMultiple Airlines
Wed 16/75:00 a.m.IAH - YOW
1 stop11h 15mMultiple Airlines
Deal found 10/6C$ 477
Mon 22/911:44 a.m.YYZ - IAH
1 stop12h 36mAmerican Airlines
Mon 29/96:20 a.m.IAH - YYZ
1 stop10h 29mAmerican Airlines
Deal found 10/6C$ 539
Thu 2/1012:30 p.m.YUL - IAH
1 stop11h 50mAmerican Airlines
Sun 5/103:38 p.m.IAH - YUL
1 stop6h 19mAmerican Airlines
Deal found 11/6C$ 580
Sat 23/87:45 a.m.YYZ - IAH
2 stops16h 42mDelta
Tue 9/910:21 a.m.IAH - YYZ
1 stop12h 26mDelta
Deal found 10/6C$ 585
Tue 22/710:30 a.m.YUL - HOU
2 stops8h 29mAmerican Airlines
Tue 22/78:23 p.m.HOU - YUL
2 stops14h 17mAmerican Airlines
Deal found 11/6C$ 591
Thu 30/105:40 p.m.YUL - IAH
Nonstop4h 39mAir Canada
Sun 9/1111:05 a.m.IAH - YUL
Nonstop3h 38mAir Canada
Deal found 11/6C$ 591
Wed 6/86:00 a.m.YUL - IAH
2 stops9h 50mDelta
Wed 13/810:21 a.m.IAH - YUL
1 stop10h 27mDelta
Deal found 10/6C$ 592
Sat 23/812:25 p.m.YTZ - IAH
1 stop8h 11mAir Canada
Mon 8/910:00 a.m.IAH - YTZ
1 stop6h 45mAir Canada
Deal found 11/6C$ 593
Tue 29/77:00 a.m.YUL - HOU
1 stop6h 11mDelta
Tue 5/812:56 p.m.HOU - YUL
1 stop9h 59mDelta
Deal found 10/6C$ 599

Cheapflights Fare Finder

Customize your flight search to find flights from Ontario to Houston 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 12 June 2025.
Use the filters below to find and compare flights from Ontario to Houston that are best for you.

Fly from

Ontario

Fly to

Houston

Route

Depart

Return

Price

TorontoHouston

YYZ - IAH

YYZIAH

Toronto Pearson Intl

Tue 29/7

7:25 p.m.-8:58 a.m.

1 stop14h 33m

Houston George Bush Intcntl

Fri 8/8

10:03 a.m.-9:23 p.m.

1 stop10h 20m

C$ 459

TorontoHouston

YTZ - IAH

YTZIAH

Toronto Island

Fri 22/8

7:45 a.m.-1:22 p.m.

1 stop6h 37m

Houston George Bush Intcntl

Sat 6/9

5:00 a.m.-12:40 p.m.

1 stop6h 40m

C$ 465

MontrealHouston

YUL - IAH

YULIAH

Montreal Pierre Elliott Trudeau Intl

Mon 21/7

4:45 p.m.-8:58 a.m.

2 stops17h 13m

Houston George Bush Intcntl

Tue 22/7

5:57 p.m.-12:25 p.m.

1 stop17h 28m

C$ 474

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Wed 9/7

4:25 p.m.-11:25 p.m.

1 stop8h 00m

Houston George Bush Intcntl

Wed 16/7

5:00 a.m.-5:15 p.m.

1 stop11h 15m

C$ 477

TorontoHouston

YYZ - IAH

YYZIAH

Toronto Pearson Intl

Mon 22/9

11:44 a.m.-11:20 p.m.

1 stop12h 36m

Houston George Bush Intcntl

Mon 29/9

6:20 a.m.-5:49 p.m.

1 stop10h 29m

C$ 539

TorontoHouston

YYZ - IAH

YYZIAH

Toronto Pearson Intl

Mon 30/6

8:45 a.m.-11:15 a.m.

Nonstop3h 30m

Houston George Bush Intcntl

Sun 6/7

7:20 a.m.-11:34 a.m.

Nonstop3h 14m

C$ 580

MontrealHouston

YUL - IAH

YULIAH

Montreal Pierre Elliott Trudeau Intl

Thu 2/10

12:30 p.m.-11:20 p.m.

1 stop11h 50m

Houston George Bush Intcntl

Sun 5/10

3:38 p.m.-10:57 p.m.

1 stop6h 19m

C$ 580

TorontoHouston

YYZ - IAH

YYZIAH

Toronto Pearson Intl

Sat 23/8

7:45 a.m.-11:27 p.m.

2 stops16h 42m

Houston George Bush Intcntl

Tue 9/9

10:21 a.m.-11:47 p.m.

1 stop12h 26m

C$ 585

MontrealHouston

YUL - IAH

YULIAH

Montreal Pierre Elliott Trudeau Intl

Thu 30/10

5:40 p.m.-9:19 p.m.

Nonstop4h 39m

Houston George Bush Intcntl

Sun 9/11

11:05 a.m.-3:43 p.m.

Nonstop3h 38m

C$ 591

MontrealHouston

YUL - HOU

YULHOU

Montreal Pierre Elliott Trudeau Intl

Tue 22/7

10:30 a.m.-5:59 p.m.

2 stops8h 29m

Houston Hobby

Tue 22/7

8:23 p.m.-11:40 a.m.

2 stops14h 17m

C$ 591

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/6

Showing 1-10 of 58 results
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Best time to book a flight from Ontario to Houston

Have a flexible travel schedule? Discover the best time to fly to Houston from Ontario 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 Ontario to Houston

What is the cheapest month to book a flight from Region of Ontario to Houston?

Currently, September is the cheapest month in which you can book a flight from Region of Ontario to Houston (average of C$ 364). Flying from Region of Ontario to Houston in March is currently the most expensive (average of C$ 476). 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 ON to HOU?

Find hourly flight availability from Ontario to Houston. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 12 June 2025.

When flying from Region of Ontario to Houston, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Houston by month

Plan your trip to Houston by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Houston ranges from 81.0 - 150.0 mm per month. June is typically the wettest month, when rainfall can reach 150.0 mm. February is typically the driest time to visit Houston when rainfall is around 81.0 mm.

Temperature in Houston by month

Plan your trip to Houston by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Houston, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 29.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 12.0 C).

Reviews of airlines servicing Houston

Get insights into the airlines that provide service to Houston. 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 Houston. Reviews last updated 12 June 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Delta and KLM from Ontario to Houston to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,950 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
KLM
7.8
Good
1,358 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Related info for your journey

Find useful and relevant information for your journey from Ontario to Houston. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines to fly from Region of Ontario to Houston one-way?

    To fly one-way, consider booking your trip with Air Canada, which is currently one of the cheapest options available, starting at C$ 323. Sun Country Air flights start at C$ 335 while deals on United Airlines start at C$ 339 one-way.

  • What are the most popular routes from Region of Ontario to Houston?

    The most popular route from Region of Ontario to Houston is Toronto Pearson Intl - Houston Hobby. You may also consider Toronto Pearson Intl - Houston George Bush Intcntl or Montreal Pierre Elliott Trudeau Intl - Houston Hobby.

  • Can I find deals for flights from Ontario to Houston that include hotel bookings?

    Yes. In addition to deals on Ontario to Houston flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ontario to Houston?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Houston.

  • Can I find deals for business class flights from Ontario to Houston?

    Yes. Cheapflights offers flight deals from Ontario to Houston 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 Region of Ontario to Houston?

    Currently, September is the cheapest month in which you can book a flight from Region of Ontario to Houston (average of C$ 364). Flying from Region of Ontario to Houston in March is currently the most expensive (average of C$ 476). 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 Ontario to Houston

See prices for flight routes from nearby airports that may be better suited for you.
Pearson Intl to Dallas/Fort Worth flights
Pearson Intl to Hobby flights
Pearson Intl to George Bush Intcntl flights
Pierre Elliott Trudeau Intl to Hobby flights
Vancouver Intl to Dallas/Fort Worth flights
Pierre Elliott Trudeau Intl to Dallas/Fort Worth flights
Pearson Intl to Austin flights
Pierre Elliott Trudeau Intl to George Bush Intcntl flights
Toronto Island to Dallas/Fort Worth flights
Edmonton to Dallas/Fort Worth flights
Pearson Intl to Love Field flights
Vancouver Intl to George Bush Intcntl flights
Calgary to Hobby flights
Vancouver Intl to Hobby flights
Calgary to George Bush Intcntl flights
Calgary to Dallas/Fort Worth flights
Vancouver Intl to Austin flights
Vancouver Intl to Love Field flights
Pierre Elliott Trudeau Intl to Austin flights
Edmonton to Hobby flights
Edmonton to George Bush Intcntl flights
Edmonton to Love Field flights
Toronto Island to George Bush Intcntl flights
Halifax to Dallas/Fort Worth flights
Pierre Elliott Trudeau Intl to Love Field flights
Pearson Intl to San Antonio flights
Winnipeg to Hobby flights
Calgary to Love Field flights
Winnipeg to George Bush Intcntl flights
Ottawa to Dallas/Fort Worth flights
Vancouver Intl to El Paso flights
Calgary to Austin flights
Ottawa to Hobby flights
Ottawa to Austin flights
Québec City to Dallas/Fort Worth flights
Pierre Elliott Trudeau Intl to El Paso flights
Winnipeg to Dallas/Fort Worth flights
Ottawa to George Bush Intcntl flights
Pierre Elliott Trudeau Intl to San Antonio flights
Hamilton to Hobby flights
Hamilton to George Bush Intcntl flights
Region of Waterloo Intl to Hobby flights
Ottawa to Love Field flights
Winnipeg to Love Field flights
Vancouver Intl to San Antonio flights
Ottawa to San Antonio flights
Region of Waterloo Intl to Dallas/Fort Worth flights

Top 5 airlines flying from Ontario to Houston

Discover the top 5 airlines that operate flights from Ontario to Houston. 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 12 June 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapestC$ 321AverageC$ 580FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Air CanadaCheapestC$ 347AverageC$ 722FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
WestJetCheapestC$ 454AverageC$ 681FlexibilityNo cancel feeOn-time60%
Search WestJet flights
United AirlinesCheapestC$ 539AverageC$ 772FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
DeltaCheapestC$ 553AverageC$ 771FlexibilityNo cancel feeOn-timeN/A
Search Delta flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Ontario to Houston?

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Why should you use Cheapflights to find cheap flight tickets from Ontario to Houston?

Millions of users choose and trust Cheapflights to book the best flight deals from Ontario to Houston for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Ontario to Houston with no change fees?

Yes, we can. To see specific flights from Ontario to Houston with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Ontario to Houston become cheaper?

Not ready to book yet? You can track prices for flights from Ontario to Houston on Cheapflights with our Price Alert feature and get notified when better prices are available.

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