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$118+ Cheap flights from Houston to Ontario

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 10/22. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — YYZ
oct. 17 — oct. 241
vie. 10/17
vie. 10/24
1 adult, Economy
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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 septiembre 17, 2025.

Round-trip from

$284
(Kiwi.com)

One-way from

$118
(Kiwi.com)

Popular in

March

Cheapest in

February

Average price

$565
From Houston to Ontario
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One-way flight from Houston to Ontario
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High demand for flights, 9% potential price rise
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Cheapest flight prices on average. 1% potential price decrease ($9 potential savings vs. average RT price).
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Average for round-trip flights in September 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 septiembre 17, 2025.

This Kiwi.com deal was found by Cheapflights users on 9/16. 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.
jue. 12/44:42 pmIAH - YUL
1 stop22h 46mMultiple Airlines
lun. 12/88:00 amYUL - IAH
1 stop26h 08mMultiple Airlines
Deal found 9/16$284
This oojo deal was found by Cheapflights users on 9/15. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 10/286:20 pmIAH - YYZ
1 stop10h 53mWestJet
dom. 11/25:30 amYYZ - IAH
1 stop31h 14mWestJet
Deal found 9/15$285
This Kiwi.com deal was found by Cheapflights users on 9/15. 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.
dom. 11/212:55 pmIAH - YYZ
1 stop8h 17mMultiple Airlines
mié. 11/1211:15 amYYZ - IAH
1 stop10h 18mMultiple Airlines
Deal found 9/15$286
This Kiwi.com deal was found by Cheapflights users on 9/16. 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.
dom. 10/268:10 pmIAH - YYZ
1 stop21h 52mMultiple Airlines
sáb. 11/16:30 amYYZ - IAH
1 stop11h 59mMultiple Airlines
Deal found 9/16$287
This Kiwi.com deal was found by Cheapflights users on 9/15. 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.
jue. 11/68:10 pmIAH - YYZ
2 stops27h 28mMultiple Airlines
jue. 11/277:45 amYYZ - IAH
1 stop10h 44mMultiple Airlines
Deal found 9/15$288
This Kiwi.com deal was found by Cheapflights users on 9/17. 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.
mar. 10/1410:12 pmIAH - YYZ
1 stop31h 47mMultiple Airlines
sáb. 10/181:35 pmYYZ - IAH
1 stop11h 53mMultiple Airlines
Deal found 9/17$289
This Kiwi.com deal was found by Cheapflights users on 9/15. 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.
dom. 11/212:55 pmIAH - YYZ
1 stop8h 17mMultiple Airlines
vie. 11/147:45 amYYZ - IAH
1 stop10h 44mMultiple Airlines
Deal found 9/15$290
This Kiwi.com deal was found by Cheapflights users on 9/17. 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.
mar. 10/710:12 pmIAH - YYZ
2 stops20h 46mMultiple Airlines
mar. 10/2811:15 amYYZ - IAH
1 stop12h 20mMultiple Airlines
Deal found 9/17$291
This Kiwi.com deal was found by Cheapflights users on 9/15. 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.
sáb. 10/113:00 pmIAH - YYZ
1 stop14h 40mMultiple Airlines
sáb. 10/184:00 pmYYZ - IAH
2 stops43h 00mMultiple Airlines
Deal found 9/15$292
This Kiwi.com deal was found by Cheapflights users on 9/16. 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.
mié. 10/110:02 pmIAH - YYZ
2 stops31h 10mMultiple Airlines
lun. 10/64:00 pmYYZ - IAH
1 stop17h 33mMultiple Airlines
Deal found 9/16$293
This Kiwi.com deal was found by Cheapflights users on 9/16. 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.
lun. 10/63:00 pmIAH - YYZ
1 stop14h 40mMultiple Airlines
vie. 10/171:30 pmYYZ - IAH
1 stop10h 13mMultiple Airlines
Deal found 9/16$294
This FlightHub deal was found by Cheapflights users on 9/15. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 10/248:00 amIAH - YYZ
2 stops15h 31mWestJet
lun. 10/277:45 amYYZ - IAH
1 stop10h 44mWestJet
Deal found 9/15$295

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 2,558,603 searches. Data last updated septiembre 17, 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 - YTZ

IAHYTZ

Houston George Bush Intcntl

mié. 10/15

6:20 am-5:53 pm

1 stop10h 33m

Toronto Island

mié. 10/22

12:00 pm-10:47 am

2 stops23h 47m

$303

HoustonHamilton

IAH - YHM

IAHYHM

Houston George Bush Intcntl

sáb. 10/25

3:00 pm-5:17 pm

1 stop25h 17m

Hamilton

dom. 11/2

6:10 pm-12:44 pm

1 stop19h 34m

$304

HoustonHamilton

IAH - YHM

IAHYHM

Houston George Bush Intcntl

mié. 11/26

6:20 pm-5:17 pm

1 stop21h 57m

Hamilton

dom. 11/30

6:10 pm-12:44 pm

1 stop19h 34m

$305

HoustonHamilton

IAH - YHM

IAHYHM

Houston George Bush Intcntl

mar. 10/28

6:20 pm-5:17 pm

1 stop21h 57m

Hamilton

dom. 11/2

6:10 pm-12:44 pm

1 stop19h 34m

$305

HoustonHamilton

IAH - YHM

IAHYHM

Houston George Bush Intcntl

mié. 10/15

3:00 pm-12:40 am

1 stop32h 40m

Hamilton

mié. 10/22

6:00 am-2:10 pm

1 stop33h 10m

$308

HoustonToronto

IAH - YTZ

IAHYTZ

Houston George Bush Intcntl

vie. 10/17

5:20 pm-12:17 pm

1 stop17h 57m

Toronto Island

jue. 10/23

12:00 pm-12:28 am

2 stops13h 28m

$310

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

lun. 10/27

8:10 pm-5:25 pm

1 stop20h 15m

Ottawa

jue. 11/27

5:45 pm-12:44 pm

1 stop19h 59m

$313

HoustonHamilton

IAH - YHM

IAHYHM

Houston George Bush Intcntl

lun. 10/20

8:00 am-12:40 am

1 stop15h 40m

Hamilton

jue. 10/23

6:00 am-10:43 pm

1 stop17h 43m

$313

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

sáb. 10/4

5:37 am-5:20 pm

1 stop10h 43m

Ottawa

mié. 10/8

3:50 pm-12:28 am

1 stop9h 38m

$315

HoustonHamilton

IAH - YHM

IAHYHM

Houston George Bush Intcntl

mar. 10/28

6:20 pm-5:17 pm

1 stop21h 57m

Hamilton

mié. 11/19

6:10 pm-12:44 pm

1 stop19h 34m

$315

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/16

Showing 1-10 of 60 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 $243). Flying from Houston to Region of Ontario in August is currently the most expensive (average of $348). 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 septiembre 17, 2025.

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

How much does it cost to fly round-trip from Houston to Region of Ontario?

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 septiembre 17, 2025.
Read reviews from past customers who have flown Delta, United Airlines, and American Airlines from Houston to Ontario. 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.
Delta
8.0
Very good
7,961 reviews

Comfort

7.9

Entertainment

7.9

Food

7.3

Boarding

8.2

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,961 reviews
Delta
8.0
Very good
7,961 reviews

Comfort

7.9

Entertainment

7.9

Food

7.3

Boarding

8.2

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,926 reviews
Delta
8.0
Very good
7,961 reviews

Comfort

7.9

Entertainment

7.9

Food

7.3

Boarding

8.2

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,961 reviews

Comfort

7.9

Entertainment

7.9

Food

7.3

Boarding

8.2

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Air Canada
7.1
Good
10,000 reviews
Delta
8.0
Very good
7,961 reviews

Comfort

7.9

Entertainment

7.9

Food

7.3

Boarding

8.2

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.

  • How long is the flight from Houston to Region of Ontario?

    Departing from Houston to Region of Ontario will take you 6h 33m. Houston and Region of Ontario are separated by a distance of 1296 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    For one-way options, check prices for WestJet. According to our data, you can fly for as low as $139. Users have also found prices from $199 and $272 on Alaska Airlines and Delta, respectively.

  • 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 $243). Flying from Houston to Region of Ontario in August is currently the most expensive (average of $348). 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 Pearson Intl flights
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Hobby to Calgary flights
George Bush Intcntl to Calgary flights
Dallas/Fort Worth to Toronto Island flights
Austin to Pearson Intl flights
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Austin to Vancouver Intl flights
Love Field to Pearson Intl flights
Hobby to Pierre Elliott Trudeau Intl flights
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George Bush Intcntl to Abbotsford flights
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Hobby to Victoria flights
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George Bush Intcntl to Hamilton flights
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George Bush Intcntl to Québec City flights
Dallas/Fort Worth to Winnipeg flights
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George Bush Intcntl to Edmonton flights
San Antonio to Pierre Elliott Trudeau Intl flights
George Bush Intcntl to Victoria flights
Dallas/Fort Worth to Windsor flights
Dallas/Fort Worth to Halifax flights
San Antonio to Québec City flights
Dallas/Fort Worth to Hamilton flights
Hobby to Ottawa flights
Love Field to Edmonton flights
Dallas/Fort Worth to Regina flights
George Bush Intcntl to Ottawa flights

Top 4 airlines flying from Houston to Ontario

Discover the top 4 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 2,558,603 searches. Data last updated septiembre 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$218Average$562FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$247Average$706FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$255Average$728FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$453Average$582FlexibilityNo cancel feeOn-time71%

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