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$169+ Cheap flights from Ontario to Houston

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 5/6. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — HOU
Apr 5 — Apr 121
Sat 4/5
Sat 4/12
1 adult, Economy
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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 March 31, 2025.

Round-trip from

$296
(Mytrip)

One-way from

$169
(Kiwi.com)

Popular in

August

Cheapest in

October

Average price

$495
From Ontario to Houston
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One-way flight from Ontario to Houston
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($24 potential increase over avg. RT price).
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Cheapest flight prices on average. 0% potential price decrease ($4 potential savings vs. average RT price).
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Average for round-trip flights in March 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 March 31, 2025.

This Mytrip deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/96:45 amYUL - IAH
2 stops26h 08mMultiple Airlines
Mon 5/123:49 pmIAH - YUL
3 stops31h 48mMultiple Airlines
Deal found 3/30$296
This Kiwi.com deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/67:25 pmYYZ - IAH
1 stop16h 44mMultiple Airlines
Tue 4/1512:03 pmIAH - YYZ
1 stop10h 56mMultiple Airlines
Deal found 3/30$296
This Kiwi.com deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/299:00 amYTZ - IAH
1 stop9h 03mMultiple Airlines
Tue 5/68:24 amIAH - YTZ
1 stop7h 21mMultiple Airlines
Deal found 3/30$304
This Mytrip deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/76:00 amYKF - IAH
2 stops18h 26mMultiple Airlines
Mon 5/124:24 pmIAH - YKF
3 stops31h 22mMultiple Airlines
Deal found 3/30$313
This Mytrip deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/144:25 pmYOW - IAH
1 stop28h 21mMultiple Airlines
Wed 5/216:50 amIAH - YOW
1 stop9h 16mMultiple Airlines
Deal found 3/30$345
This United Airlines deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/16:10 amYYZ - IAH
Nonstop3h 47mUnited Airlines
Thu 5/87:20 amIAH - YYZ
Nonstop3h 14mUnited Airlines
Deal found 3/31$379
This Air Canada deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/223:25 pmYTZ - IAH
1 stop7h 36mAir Canada
Sat 4/269:30 amIAH - YTZ
1 stop7h 20mAir Canada
Deal found 3/30$391
This Air Canada deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/236:30 pmYYZ - IAH
Nonstop3h 44mAir Canada
Tue 4/299:30 amIAH - YYZ
1 stop8h 18mAir Canada
Deal found 3/30$392
This Delta deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/196:00 amYYZ - HOU
2 stops12h 47mDelta
Fri 4/256:00 amHOU - YYZ
1 stop9h 59mDelta
Deal found 3/29$394
This Delta deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/36:00 amYYZ - IAH
2 stops17h 52mDelta
Fri 5/166:37 amIAH - YYZ
1 stop10h 54mDelta
Deal found 3/30$395
This American Airlines deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/15:20 pmYYZ - HOU
1 stop7h 36mAmerican Airlines
Thu 5/85:00 amHOU - YYZ
1 stop6h 30mAmerican Airlines
Deal found 3/31$404
This Delta deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/56:05 amYUL - IAH
1 stop11h 36mDelta
Tue 6/173:17 pmIAH - YUL
1 stop6h 56mDelta
Deal found 3/30$480

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 2,558,603 searches. Data last updated March 31, 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

MontrealHouston

YUL - IAH

YULIAH

Montreal Pierre Elliott Trudeau Intl

Fri 5/9

6:45 am-7:53 am

2 stops26h 08m

Houston George Bush Intcntl

Mon 5/12

3:49 pm-12:37 am

3 stops31h 48m

$296

TorontoHouston

YYZ - IAH

YYZIAH

Toronto Pearson Intl

Sun 5/11

4:00 pm-7:29 am

1 stop16h 29m

Houston George Bush Intcntl

Thu 5/15

8:44 pm-9:08 pm

2 stops23h 24m

$296

TorontoHouston

YTZ - IAH

YTZIAH

Toronto Island

Tue 4/29

9:00 am-5:03 pm

1 stop9h 03m

Houston George Bush Intcntl

Tue 5/6

8:24 am-4:45 pm

1 stop7h 21m

$304

TorontoHouston

YKF - IAH

YKFIAH

Toronto Region of Waterloo Intl

Wed 5/7

6:00 am-11:26 pm

2 stops18h 26m

Houston George Bush Intcntl

Mon 5/12

4:24 pm-12:46 am

3 stops31h 22m

$313

OttawaHouston

YOW - IAH

YOWIAH

Ottawa

Wed 5/14

4:25 pm-7:46 pm

1 stop28h 21m

Houston George Bush Intcntl

Wed 5/21

6:50 am-5:06 pm

1 stop9h 16m

$345

TorontoHouston

YYZ - IAH

YYZIAH

Toronto Pearson Intl

Thu 5/1

8:30 am-11:14 am

Nonstop3h 44m

Houston George Bush Intcntl

Sun 5/18

7:20 am-11:34 am

Nonstop3h 14m

$379

TorontoHouston

YYZ - IAH

YYZIAH

Toronto Pearson Intl

Mon 4/21

2:00 pm-10:01 pm

1 stop9h 01m

Houston George Bush Intcntl

Sun 4/27

7:20 am-11:30 am

Nonstop3h 10m

$386

TorontoHouston

YTZ - IAH

YTZIAH

Toronto Island

Tue 4/22

3:25 pm-10:01 pm

1 stop7h 36m

Houston George Bush Intcntl

Sat 4/26

9:30 am-5:50 pm

1 stop7h 20m

$391

TorontoHouston

YYZ - HOU

YYZHOU

Toronto Pearson Intl

Sat 4/19

6:00 am-5:47 pm

2 stops12h 47m

Houston Hobby

Fri 4/25

6:00 am-4:59 pm

1 stop9h 59m

$394

TorontoHouston

YYZ - IAH

YYZIAH

Toronto Pearson Intl

Sat 5/3

6:15 am-6:28 pm

1 stop13h 13m

Houston George Bush Intcntl

Sat 5/17

7:05 am-5:15 pm

2 stops9h 10m

$395

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/31

Showing 1-10 of 54 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 $230). Flying from Region of Ontario to Houston in March is currently the most expensive (average of $334). 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 March 31, 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 3.2 - 5.9 inches per month. June is typically the wettest month, when rainfall can reach 5.9 in. February is typically the driest time to visit Houston when rainfall is around 3.2 in.

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 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 53.6 F).

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 March 31, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Delta and United Airlines from Ontario to Houston by reading reviews from past customers. 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.
Alaska Airlines
8.0
Very good
9,818 reviews

Overall

8.0

Crew

8.5

Entertainment

7.1

Food

7.1

Boarding

8.2

Comfort

7.9

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
9,818 reviews
Alaska Airlines
8.0
Very good
9,818 reviews

Overall

8.0

Crew

8.5

Entertainment

7.1

Food

7.1

Boarding

8.2

Comfort

7.9

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
9,818 reviews

Overall

8.0

Crew

8.5

Entertainment

7.1

Food

7.1

Boarding

8.2

Comfort

7.9

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
9,818 reviews

Overall

8.0

Crew

8.5

Entertainment

7.1

Food

7.1

Boarding

8.2

Comfort

7.9

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
9,818 reviews

Overall

8.0

Crew

8.5

Entertainment

7.1

Food

7.1

Boarding

8.2

Comfort

7.9

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
2,789 reviews
Alaska Airlines
8.0
Very good
9,818 reviews

Overall

8.0

Crew

8.5

Entertainment

7.1

Food

7.1

Boarding

8.2

Comfort

7.9

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?

    $211 is the cheapest one-way deal found within the past few days, from Air Canada. You may also be able to find cheap deals on Delta and Sun Country Air, with prices starting from $222 and $225, respectively.

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

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

  • 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 $230). Flying from Region of Ontario to Houston in March is currently the most expensive (average of $334). 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 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
Pierre Elliott Trudeau Intl to Hobby flights
Pierre Elliott Trudeau Intl to George Bush Intcntl flights
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Vancouver Intl to George Bush Intcntl flights
Vancouver Intl to Dallas/Fort Worth flights
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Calgary to George Bush Intcntl flights
Pearson Intl to Love Field flights
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Pierre Elliott Trudeau Intl to Austin flights
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Edmonton to George Bush Intcntl flights
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Ottawa to George Bush Intcntl flights
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Winnipeg to Love Field flights
Region of Waterloo Intl to Dallas/Fort Worth flights
Hamilton to George Bush Intcntl flights
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Moncton to Hobby flights

Top 3 airlines flying from Ontario to Houston

Discover the top 3 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 2,558,603 searches. Data last updated March 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$245Average$614FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$376Average$577FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$444Average$633FlexibilityNo cancel feeOn-time69%
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