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Cheap flights from Houston to Ontario from C$ 180

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.
HOU — YYZ
5 Apr — 12 Apr1
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 31 March 2025.

Round-trip from

C$ 368

One-way from

C$ 180

Popular in

July

Cheapest in

February

Average price

C$ 873
16/5-21/5
  • 16/5-21/5
  • 2 total stops
  • 33h 32m total
  • Houston to Ontario
Search Deals
23/4
  • 23/4
  • 1 total stop
  • 11h 10m total
  • Houston to Ontario
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (C$ 152 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 27 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 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 31 March 2025.

Fri 16/58:24 a.m.IAH - YYZ
1 stop11h 44mMultiple Airlines
Wed 21/54:00 p.m.YYZ - IAH
1 stop21h 48mMultiple Airlines
Deal found 31/3C$ 368
Tue 29/49:15 a.m.IAH - YTZ
2 stops32h 38mMultiple Airlines
Tue 6/512:00 p.m.YTZ - IAH
2 stops25h 48mMultiple Airlines
Deal found 30/3C$ 405
Tue 29/41:29 p.m.IAH - YKF
2 stops34h 17mMultiple Airlines
Tue 6/56:00 a.m.YKF - IAH
2 stops24h 31mMultiple Airlines
Deal found 30/3C$ 409
Mon 5/53:48 p.m.IAH - YUL
2 stops31h 55mMultiple Airlines
Fri 9/56:45 a.m.YUL - IAH
2 stops26h 08mMultiple Airlines
Deal found 30/3C$ 452
Tue 29/48:24 a.m.IAH - YOW
1 stop6h 31mMultiple Airlines
Tue 6/54:25 p.m.YOW - IAH
1 stop21h 23mMultiple Airlines
Deal found 29/3C$ 477
Fri 20/68:00 a.m.IAH - YOW
1 stop15h 41mWestJet
Mon 23/67:15 p.m.YOW - IAH
1 stop19h 56mWestJet
Deal found 29/3C$ 555
Sun 20/49:53 a.m.IAH - YYZ
Nonstop3h 17mAir Canada
Sat 26/46:30 p.m.YYZ - IAH
Nonstop3h 44mAir Canada
Deal found 30/3C$ 623
Fri 4/49:19 a.m.HOU - YYZ
2 stops36h 16mMultiple Airlines
Mon 7/47:00 a.m.YYZ - HOU
1 stop7h 02mMultiple Airlines
Deal found 29/3C$ 623
Tue 9/96:15 a.m.IAH - YYZ
1 stop10h 52mDelta
Thu 11/96:15 a.m.YYZ - IAH
1 stop11h 44mDelta
Deal found 31/3C$ 660
Tue 29/46:00 a.m.HOU - YYZ
1 stop9h 59mDelta
Tue 6/56:00 a.m.YYZ - HOU
2 stops12h 48mDelta
Deal found 30/3C$ 683
Fri 9/58:00 a.m.IAH - YKF
1 stop15h 46mWestJet
Sat 24/56:00 a.m.YKF - IAH
1 stop17h 42mWestJet
Deal found 30/3C$ 707
Fri 18/49:30 a.m.IAH - YTZ
1 stop7h 20mAir Canada
Mon 21/43:25 p.m.YTZ - IAH
1 stop7h 36mAir Canada
Deal found 29/3C$ 720

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 31 March 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

Fri 16/5

8:24 a.m.-9:08 p.m.

1 stop11h 44m

Toronto Pearson Intl

Wed 21/5

4:00 p.m.-12:48 p.m.

1 stop21h 48m

C$ 368

HoustonToronto

IAH - YTZ

IAHYTZ

Houston George Bush Intcntl

Tue 29/4

9:15 a.m.-6:53 p.m.

2 stops32h 38m

Toronto Island

Tue 6/5

12:00 p.m.-12:48 p.m.

2 stops25h 48m

C$ 405

HoustonToronto

IAH - YKF

IAHYKF

Houston George Bush Intcntl

Tue 29/4

1:29 p.m.-12:46 a.m.

2 stops34h 17m

Toronto Region of Waterloo Intl

Tue 6/5

6:00 a.m.-5:31 a.m.

2 stops24h 31m

C$ 409

HoustonMontreal

IAH - YUL

IAHYUL

Houston George Bush Intcntl

Mon 5/5

3:48 p.m.-12:43 a.m.

2 stops31h 55m

Montreal Pierre Elliott Trudeau Intl

Fri 9/5

6:45 a.m.-7:53 a.m.

2 stops26h 08m

C$ 452

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Tue 29/4

8:24 a.m.-3:55 p.m.

1 stop6h 31m

Ottawa

Tue 6/5

4:25 p.m.-12:48 p.m.

1 stop21h 23m

C$ 477

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Fri 20/6

8:00 a.m.-12:41 a.m.

1 stop15h 41m

Ottawa

Mon 23/6

7:15 p.m.-2:11 p.m.

1 stop19h 56m

C$ 555

HoustonToronto

IAH - YYZ

IAHYYZ

Houston George Bush Intcntl

Sun 20/4

9:53 a.m.-2:10 p.m.

Nonstop3h 17m

Toronto Pearson Intl

Sat 26/4

6:30 p.m.-9:14 p.m.

Nonstop3h 44m

C$ 623

HoustonToronto

IAH - YYZ

IAHYYZ

Houston George Bush Intcntl

Tue 9/9

6:15 a.m.-6:07 p.m.

1 stop10h 52m

Toronto Pearson Intl

Thu 11/9

6:15 a.m.-4:59 p.m.

1 stop11h 44m

C$ 660

HoustonToronto

IAH - YYZ

IAHYYZ

Houston George Bush Intcntl

Wed 23/4

7:57 p.m.-12:09 p.m.

1 stop15h 12m

Toronto Pearson Intl

Thu 24/4

3:59 p.m.-6:50 p.m.

Nonstop3h 51m

C$ 680

HoustonToronto

HOU - YYZ

HOUYYZ

Houston Hobby

Tue 29/4

6:00 a.m.-4:59 p.m.

1 stop9h 59m

Toronto Pearson Intl

Tue 6/5

6:00 a.m.-5:48 p.m.

2 stops12h 48m

C$ 683

Flights are sorted by cheapest round-trip flights first.

Deals found on 30/3

Showing 1-10 of 55 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 31 March 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 31 March 2025.
Read through reviews of airlines operating flights from Houston to Ontario, such as Alaska Airlines, Delta and KLM. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,811 reviews
Check prices

Food

7.1

Entertainment

7.1

Overall

8.0

Boarding

8.2

Comfort

7.9

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
9,811 reviews
Alaska Airlines
8.0
Very good
9,811 reviews
Check prices

Food

7.1

Entertainment

7.1

Overall

8.0

Boarding

8.2

Comfort

7.9

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
7,899 reviews
Alaska Airlines
8.0
Very good
9,811 reviews
Check prices

Food

7.1

Entertainment

7.1

Overall

8.0

Boarding

8.2

Comfort

7.9

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
KLM
7.8
Good
1,321 reviews
Alaska Airlines
8.0
Very good
9,811 reviews
Check prices

Food

7.1

Entertainment

7.1

Overall

8.0

Boarding

8.2

Comfort

7.9

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
8,614 reviews
Alaska Airlines
8.0
Very good
9,811 reviews
Check prices

Food

7.1

Entertainment

7.1

Overall

8.0

Boarding

8.2

Comfort

7.9

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
9,811 reviews
Check prices

Food

7.1

Entertainment

7.1

Overall

8.0

Boarding

8.2

Comfort

7.9

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 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 Delta, which is currently one of the cheapest options available, starting at C$ 263. WestJet flights start at C$ 289 while deals on United Airlines start at C$ 299 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
Dallas/Fort Worth to Vancouver Intl flights
Hobby to Vancouver Intl flights
George Bush Intcntl to Pearson Intl flights
George Bush Intcntl to Vancouver Intl flights
Austin to Vancouver Intl flights
Hobby to Calgary flights
Dallas/Fort Worth to Pierre Elliott Trudeau Intl flights
George Bush Intcntl to Calgary flights
Dallas/Fort Worth to Calgary flights
Austin to Pearson Intl flights
Hobby to Pierre Elliott Trudeau Intl flights
George Bush Intcntl to Pierre Elliott Trudeau Intl flights
Dallas/Fort Worth to Toronto Island flights
Austin to Calgary flights
Love Field to Pearson Intl flights
Austin to Pierre Elliott Trudeau Intl flights
San Antonio to Vancouver Intl flights
San Antonio to Pearson Intl flights
Love Field to Vancouver Intl flights
Dallas/Fort Worth to Edmonton flights
Dallas/Fort Worth to Québec City flights
Austin to Abbotsford flights
Dallas/Fort Worth to Abbotsford flights
Love Field to Pierre Elliott Trudeau Intl flights
Dallas/Fort Worth to Ottawa flights
Hobby to Winnipeg flights
Hobby to Edmonton flights
George Bush Intcntl to Halifax flights
Dallas/Fort Worth to Winnipeg flights
San Antonio to Pierre Elliott Trudeau Intl flights
Dallas/Fort Worth to Halifax flights
San Antonio to Calgary flights
El Paso to Vancouver Intl flights
Austin to Edmonton flights
Austin to Québec City flights
El Paso to Pearson Intl flights
Hobby to Québec City flights
George Bush Intcntl to Edmonton flights
Love Field to Edmonton flights
George Bush Intcntl to Ottawa flights
Austin to Halifax flights
Austin to Ottawa flights
Hobby to Ottawa flights
Love Field to Calgary 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 31 March 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 316AverageC$ 864FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapestC$ 361AverageC$ 1,000FlexibilityNo cancel feeOn-time69%
Search United Airlines 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 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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