Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from Ontario to Houston from C$ 236

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 26/4. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — HOU
2 Apr — 9 Apr1
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 28 March 2025.

Round-trip from

C$ 424

One-way from

C$ 236

Popular in

August

Cheapest in

October

Average price

C$ 708
7/4-13/4
  • 7/4-13/4
  • 3 total stops
  • 31h 10m total
  • Ontario to Houston
Search Deals
26/4
  • 26/4
  • 1 total stop
  • 9h 07m total
  • Ontario to Houston
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (C$ 48 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).
Search Deals
Average for round-trip flights in March 2025
Search Deals

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 28 March 2025.

Mon 7/47:25 p.m.YYZ - IAH
1 stop16h 44mMultiple Airlines
Sun 13/46:00 a.m.IAH - YYZ
2 stops14h 26mMultiple Airlines
Deal found 27/3C$ 424
Sun 13/43:55 p.m.YUL - IAH
1 stop17h 01mMultiple Airlines
Wed 23/48:55 p.m.IAH - YUL
2 stops16h 45mMultiple Airlines
Deal found 26/3C$ 450
Thu 24/47:45 a.m.YTZ - IAH
1 stop12h 21mMultiple Airlines
Thu 1/59:36 a.m.IAH - YTZ
1 stop10h 44mMultiple Airlines
Deal found 26/3C$ 455
Thu 10/49:20 a.m.YOW - IAH
1 stop15h 08mMultiple Airlines
Fri 11/49:14 p.m.IAH - YOW
1 stop18h 58mMultiple Airlines
Deal found 27/3C$ 472
Thu 1/58:30 a.m.YYZ - IAH
Nonstop3h 44mUnited Airlines
Thu 8/57:20 a.m.IAH - YYZ
Nonstop3h 14mUnited Airlines
Deal found 28/3C$ 542
Thu 17/48:20 a.m.YYZ - IAH
Nonstop3h 44mAir Canada
Wed 23/49:30 a.m.IAH - YYZ
1 stop8h 18mAir Canada
Deal found 27/3C$ 549
Sat 3/56:00 a.m.YYZ - IAH
2 stops17h 52mDelta
Thu 8/56:25 a.m.IAH - YYZ
1 stop13h 19mDelta
Deal found 27/3C$ 557
Tue 22/43:25 p.m.YTZ - IAH
1 stop7h 36mAir Canada
Sat 26/49:30 a.m.IAH - YTZ
1 stop7h 20mAir Canada
Deal found 27/3C$ 559
Sat 3/56:00 a.m.YYZ - HOU
2 stops12h 47mDelta
Mon 5/56:00 a.m.HOU - YYZ
2 stops9h 10mDelta
Deal found 27/3C$ 565
Sat 26/46:45 a.m.YYZ - HOU
1 stop7h 54mAmerican Airlines
Sat 3/56:00 a.m.HOU - YYZ
1 stop5h 40mAmerican Airlines
Deal found 27/3C$ 577
Thu 3/45:15 p.m.YYZ - IAH
1 stop5h 52mAmerican Airlines
Sun 6/46:00 a.m.IAH - YYZ
1 stop5h 40mAmerican Airlines
Deal found 28/3C$ 600
Tue 1/71:25 p.m.YYZ - HOU
1 stop5h 24mWestJet
Thu 17/71:00 p.m.HOU - YYZ
1 stop9h 57mWestJet
Deal found 27/3C$ 665

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 28 March 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

Mon 7/4

7:25 p.m.-11:09 a.m.

1 stop16h 44m

Houston George Bush Intcntl

Sun 13/4

6:00 a.m.-9:26 p.m.

2 stops14h 26m

C$ 424

MontrealHouston

YUL - IAH

YULIAH

Montreal Pierre Elliott Trudeau Intl

Sun 13/4

3:55 p.m.-7:56 a.m.

1 stop17h 01m

Houston George Bush Intcntl

Wed 23/4

8:55 p.m.-2:40 p.m.

2 stops16h 45m

C$ 450

TorontoHouston

YTZ - IAH

YTZIAH

Toronto Island

Thu 24/4

7:45 a.m.-7:06 p.m.

1 stop12h 21m

Houston George Bush Intcntl

Thu 1/5

9:36 a.m.-9:20 p.m.

1 stop10h 44m

C$ 455

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Thu 10/4

9:20 a.m.-11:28 p.m.

1 stop15h 08m

Houston George Bush Intcntl

Fri 11/4

9:14 p.m.-5:12 p.m.

1 stop18h 58m

C$ 472

TorontoHouston

YYZ - IAH

YYZIAH

Toronto Pearson Intl

Sun 27/4

6:10 a.m.-8:59 a.m.

Nonstop3h 49m

Houston George Bush Intcntl

Mon 5/5

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

Nonstop3h 14m

C$ 542

TorontoHouston

YYZ - IAH

YYZIAH

Toronto Pearson Intl

Thu 17/4

8:20 a.m.-11:04 a.m.

Nonstop3h 44m

Houston George Bush Intcntl

Wed 23/4

9:30 a.m.-6:48 p.m.

1 stop8h 18m

C$ 549

TorontoHouston

YYZ - IAH

YYZIAH

Toronto Pearson Intl

Sat 3/5

6:00 a.m.-10:52 p.m.

2 stops17h 52m

Houston George Bush Intcntl

Thu 8/5

6:25 a.m.-8:44 p.m.

1 stop13h 19m

C$ 557

TorontoHouston

YTZ - IAH

YTZIAH

Toronto Island

Tue 22/4

3:25 p.m.-10:01 p.m.

1 stop7h 36m

Houston George Bush Intcntl

Sat 26/4

9:30 a.m.-5:50 p.m.

1 stop7h 20m

C$ 559

TorontoHouston

YYZ - HOU

YYZHOU

Toronto Pearson Intl

Sat 3/5

6:00 a.m.-5:47 p.m.

2 stops12h 47m

Houston Hobby

Mon 5/5

6:00 a.m.-4:10 p.m.

2 stops9h 10m

C$ 565

TorontoHouston

YYZ - HOU

YYZHOU

Toronto Pearson Intl

Sat 26/4

6:45 a.m.-1:39 p.m.

1 stop7h 54m

Houston Hobby

Sat 3/5

6:00 a.m.-12:40 p.m.

1 stop5h 40m

C$ 577

Flights are sorted by cheapest round-trip flights first.

Deals found on 27/3

Showing 1-10 of 54 results
1
2
3
...
6

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 May is currently the most expensive (average of C$ 507). 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 28 March 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 28 March 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Delta and United Airlines 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
9,797 reviews
Check prices

Entertainment

7.1

Food

7.1

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Alaska Airlines
8.0
Very good
9,797 reviews
Alaska Airlines
8.0
Very good
9,797 reviews
Check prices

Entertainment

7.1

Food

7.1

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Delta
8.0
Very good
7,896 reviews
Alaska Airlines
8.0
Very good
9,797 reviews
Check prices

Entertainment

7.1

Food

7.1

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
United Airlines
7.4
Good
8,603 reviews
Alaska Airlines
8.0
Very good
9,797 reviews
Check prices

Entertainment

7.1

Food

7.1

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,797 reviews
Check prices

Entertainment

7.1

Food

7.1

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
WestJet
7.2
Good
2,788 reviews
Alaska Airlines
8.0
Very good
9,797 reviews
Check prices

Entertainment

7.1

Food

7.1

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

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$ 300. Delta flights start at C$ 317 while deals on Sun Country Air start at C$ 322 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 May is currently the most expensive (average of C$ 507). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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
Pearson Intl to Austin flights
Pierre Elliott Trudeau Intl to Dallas/Fort Worth flights
Vancouver Intl to Dallas/Fort Worth flights
Pierre Elliott Trudeau Intl to Hobby flights
Pearson Intl to Love Field flights
Pierre Elliott Trudeau Intl to George Bush Intcntl flights
Vancouver Intl to Austin flights
Vancouver Intl to Hobby flights
Calgary to Dallas/Fort Worth flights
Vancouver Intl to George Bush Intcntl flights
Calgary to George Bush Intcntl flights
Calgary to Hobby flights
Edmonton to Dallas/Fort Worth flights
Toronto Island to Dallas/Fort Worth flights
Edmonton to Hobby flights
Vancouver Intl to Love Field flights
Pierre Elliott Trudeau Intl to Love Field flights
Toronto Island to George Bush Intcntl flights
Edmonton to George Bush Intcntl flights
Pearson Intl to San Antonio flights
Calgary to Love Field flights
Pierre Elliott Trudeau Intl to Austin flights
Ottawa to Dallas/Fort Worth flights
Ottawa to Austin flights
Halifax to Hobby flights
Ottawa to Hobby flights
Winnipeg to Hobby flights
Ottawa to George Bush Intcntl flights
Edmonton to Love Field flights
Winnipeg to George Bush Intcntl flights
Calgary to San Antonio flights
Vancouver Intl to El Paso flights
Calgary to Austin flights
Québec City to Dallas/Fort Worth flights
Hamilton to George Bush Intcntl flights
Winnipeg to Dallas/Fort Worth flights
Pierre Elliott Trudeau Intl to San Antonio flights
Halifax to George Bush Intcntl flights
Winnipeg to Austin flights
Halifax to Dallas/Fort Worth flights
Edmonton to Austin flights
Ottawa to Love Field flights
Vancouver Intl to San Antonio flights
Winnipeg to Love Field flights
Saskatoon to Dallas/Fort Worth flights
Regina 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 28 March 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapestC$ 316AverageC$ 741FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
WestJetCheapestC$ 474AverageC$ 855FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Air CanadaCheapestC$ 538AverageC$ 787FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapestC$ 544AverageC$ 815FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
DeltaCheapestC$ 652AverageC$ 857FlexibilityNo cancel feeOn-timeN/A
Search Delta flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

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

Cheapflights helps you search for flights from Ontario to Houston via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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.

100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.