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Cheap flights from Houston to Ontario from C$ 165

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 28/5. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — YYZ
30 Apr — 7 May1
1 adult

Cheap flight deals from Houston to Ontario

Keep the following information in mind while searching for Houston to Ontario flight deals. Data was last updated 25 April 2025.

Round-trip from

C$ 345

One-way from

C$ 165

Popular in

May

Cheapest in

February

Average price

C$ 760
10/6-14/6
  • 10/6-14/6
  • 2 total stops
  • 20h 44m total
  • Houston to Ontario
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28/5
  • 28/5
  • 3 total stops
  • 24h 31m total
  • Houston to Ontario
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (C$ 105 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 19 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Find flight deals from Houston to Ontario

Cheapest flights from Houston to Ontario
Explore the most affordable flight options available from Houston to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 25 April 2025.

Tue 10/65:26 a.m.IAH - YYZ
1 stop7h 39mMultiple Airlines
Sat 14/67:45 a.m.YYZ - IAH
1 stop13h 05mMultiple Airlines
Deal found 23/4C$ 345
Sat 17/57:50 p.m.IAH - YYZ
1 stop15h 05mAir Canada
Sun 18/52:00 p.m.YYZ - IAH
1 stop6h 56mAir Canada
Deal found 24/4C$ 370
Sun 25/56:48 p.m.IAH - YTZ
1 stop16h 34mMultiple Airlines
Sat 31/57:55 a.m.YTZ - IAH
1 stop17h 04mMultiple Airlines
Deal found 24/4C$ 422
Tue 10/68:44 p.m.IAH - YUL
2 stops26h 53mMultiple Airlines
Thu 12/67:00 a.m.YUL - IAH
3 stops18h 11mMultiple Airlines
Deal found 25/4C$ 424
Thu 15/58:44 p.m.IAH - YOW
1 stop19h 31mMultiple Airlines
Mon 19/53:50 p.m.YOW - IAH
1 stop17h 03mMultiple Airlines
Deal found 25/4C$ 459
Thu 7/86:35 p.m.HOU - YYZ
1 stop16h 15mSun Country Air
Sun 10/87:45 a.m.YYZ - HOU
1 stop11h 21mSun Country Air
Deal found 24/4C$ 584
Fri 6/66:51 p.m.IAH - YUL
1 stop20h 13mDelta
Wed 18/65:00 p.m.YUL - IAH
1 stop29h 28mDelta
Deal found 23/4C$ 618
Thu 8/56:10 p.m.HOU - YUL
1 stop17h 50mMultiple Airlines
Sun 11/56:00 a.m.YUL - HOU
2 stops10h 53mMultiple Airlines
Deal found 25/4C$ 638
Sat 31/55:00 a.m.HOU - YYZ
2 stops8h 30mAmerican Airlines
Sat 31/55:20 p.m.YYZ - HOU
1 stop7h 38mAmerican Airlines
Deal found 24/4C$ 668
Wed 4/66:36 a.m.IAH - YHM
2 stops17h 05mMultiple Airlines
Sun 8/68:20 a.m.YHM - IAH
2 stops45h 35mMultiple Airlines
Deal found 25/4C$ 673
Tue 17/66:00 a.m.HOU - YYZ
1 stop5h 13mDelta
Sat 21/611:39 a.m.YYZ - HOU
1 stop7h 05mDelta
Deal found 23/4C$ 673
Sun 25/57:20 a.m.IAH - YUL
1 stop8h 01mAir Canada
Sun 22/66:00 a.m.YUL - IAH
1 stop6h 15mAir Canada
Deal found 24/4C$ 745

Cheapflights Fare Finder

Customize your flight search to find flights from Houston 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 25 April 2025.
Use the filters below to find and compare flights from Houston to Ontario that are best for you.

Fly from

Houston

Fly to

Ontario

Route

Depart

Return

Price

HoustonToronto

IAH - YYZ

IAHYYZ

Houston George Bush Intcntl

Tue 10/6

5:26 a.m.-2:05 p.m.

1 stop7h 39m

Toronto Pearson Intl

Sat 14/6

7:45 a.m.-7:50 p.m.

1 stop13h 05m

C$ 345

HoustonToronto

IAH - YYZ

IAHYYZ

Houston George Bush Intcntl

Sat 17/5

7:50 p.m.-11:55 a.m.

1 stop15h 05m

Toronto Pearson Intl

Sun 18/5

2:00 p.m.-7:56 p.m.

1 stop6h 56m

C$ 370

HoustonToronto

IAH - YTZ

IAHYTZ

Houston George Bush Intcntl

Sun 25/5

6:48 p.m.-12:22 p.m.

1 stop16h 34m

Toronto Island

Sat 31/5

7:55 a.m.-11:59 p.m.

1 stop17h 04m

C$ 422

HoustonMontreal

IAH - YUL

IAHYUL

Houston George Bush Intcntl

Tue 10/6

8:44 p.m.-12:37 a.m.

2 stops26h 53m

Montreal Pierre Elliott Trudeau Intl

Thu 12/6

7:00 a.m.-12:11 a.m.

3 stops18h 11m

C$ 424

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Thu 15/5

8:44 p.m.-5:15 p.m.

1 stop19h 31m

Ottawa

Mon 19/5

3:50 p.m.-7:53 a.m.

1 stop17h 03m

C$ 459

HoustonToronto

HOU - YYZ

HOUYYZ

Houston Hobby

Thu 7/8

6:35 p.m.-11:50 a.m.

1 stop16h 15m

Toronto Pearson Intl

Sun 10/8

7:45 a.m.-6:06 p.m.

1 stop11h 21m

C$ 584

HoustonToronto

IAH - YYZ

IAHYYZ

Houston George Bush Intcntl

Sun 1/6

6:25 a.m.-10:54 p.m.

1 stop15h 29m

Toronto Pearson Intl

Wed 4/6

6:15 a.m.-4:41 p.m.

1 stop11h 26m

C$ 599

HoustonMontreal

IAH - YUL

IAHYUL

Houston George Bush Intcntl

Fri 6/6

6:51 p.m.-4:04 p.m.

1 stop20h 13m

Montreal Pierre Elliott Trudeau Intl

Wed 18/6

5:00 p.m.-9:28 p.m.

1 stop29h 28m

C$ 618

HoustonMontreal

HOU - YUL

HOUYUL

Houston Hobby

Thu 8/5

6:10 p.m.-1:00 p.m.

1 stop17h 50m

Montreal Pierre Elliott Trudeau Intl

Sun 11/5

6:00 a.m.-3:53 p.m.

2 stops10h 53m

C$ 638

HoustonToronto

HOU - YYZ

HOUYYZ

Houston Hobby

Sat 31/5

5:00 a.m.-2:30 p.m.

2 stops8h 30m

Toronto Pearson Intl

Sat 31/5

5:20 p.m.-11:58 p.m.

1 stop7h 38m

C$ 668

Flights are sorted by cheapest round-trip flights first.

Deals found on 25/4

Showing 1-10 of 57 results
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Best time to book a flight from Houston to Ontario

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

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

Currently, January is the cheapest month in which you can book a flight from Houston to Region of Ontario (average of C$ 167). Flying from Houston to Region of Ontario in July is currently the most expensive (average of C$ 258). 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 HOU to ON?

Find hourly flight availability from Houston 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 25 April 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Houston to Region of Ontario as you normally would.

Rainfall in Ontario by month

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

In terms of precipitation, rainfall in Region of Ontario ranges from 51.0 - 83.0 mm per month. June is typically the wettest month, when rainfall can reach 83.0 mm. February is typically the driest time to visit Region of Ontario when rainfall is around 51.0 mm.

Temperature in Ontario by month

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

If weather is an important factor for your trip to Region of Ontario, 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 21.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -6.0 C).

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 25 April 2025.
Read through reviews of airlines operating flights from Houston to Ontario, such as Alaska Airlines, Delta and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,927 reviews
Check prices

Comfort

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

Entertainment

7.1

Food

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Alaska Airlines
8.0
Very good
9,927 reviews
Alaska Airlines
8.0
Very good
9,927 reviews
Check prices

Comfort

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

Entertainment

7.1

Food

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Delta
8.0
Very good
7,920 reviews
Alaska Airlines
8.0
Very good
9,927 reviews
Check prices

Comfort

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

Entertainment

7.1

Food

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
United Airlines
7.4
Good
8,685 reviews
Alaska Airlines
8.0
Very good
9,927 reviews
Check prices

Comfort

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

Entertainment

7.1

Food

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,927 reviews
Check prices

Comfort

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

Entertainment

7.1

Food

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
WestJet
7.2
Good
2,818 reviews
Alaska Airlines
8.0
Very good
9,927 reviews
Check prices

Comfort

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

Entertainment

7.1

Food

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Related info for your journey

Find useful and relevant information for your journey from Houston to Ontario. 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 Houston to Region of Ontario one-way?

    To fly one-way, consider booking your trip with Sun Country Air, which is currently one of the cheapest options available, starting at C$ 220. Delta flights start at C$ 283 while deals on United Airlines start at C$ 305 one-way.

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

    When deciding which route to take from Houston to Region of Ontario consider Houston Hobby - Toronto Pearson Intl, Houston George Bush Intcntl - Toronto Pearson Intl or Houston Hobby - Montreal Pierre Elliott Trudeau Intl as they are the most popular.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Houston to Region of Ontario (average of C$ 167). Flying from Houston to Region of Ontario in July is currently the most expensive (average of C$ 258). 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

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Alternative routes for Houston to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
Dallas/Fort Worth to Pearson Intl flights
Hobby to Pearson Intl flights
Hobby to Vancouver Intl flights
George Bush Intcntl to Vancouver Intl flights
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Hobby to Calgary flights
George Bush Intcntl to Calgary flights
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Hobby to Edmonton flights
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Dallas/Fort Worth to Winnipeg flights
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El Paso to Vancouver Intl flights
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George Bush Intcntl to Ottawa flights
Austin to Québec City flights
El Paso to Pearson Intl flights
Hobby to Winnipeg flights
Laredo to Vancouver Intl flights
San Antonio to Calgary flights
George Bush Intcntl to Edmonton flights
Austin to Edmonton flights
Hobby to Ottawa flights
Hobby to Victoria flights
George Bush Intcntl to Victoria flights
Hobby to Québec City flights
George Bush Intcntl to Winnipeg flights
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Love Field to Vancouver Intl flights

Top 2 airlines flying from Houston to Ontario

Discover the top 2 airlines that operate flights from Houston 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 25 April 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 306AverageC$ 831FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapestC$ 350AverageC$ 904FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

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

When you search for this flight from Houston to Ontario, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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

Cheapflights helps you find that perfect flight to Ontario from Houston by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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

Certainly. Search results for flights to Ontario from Houston shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

Of course! You can now track prices for flights from Houston to Ontario and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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