HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Ontario

$111+ 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 9/4. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — YYZ
jul. 8 — jul. 151
mar. 7/8
mar. 7/15
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Houston to Ontario with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 julio 3, 2025.

Round-trip from

$297
(Kiwi.com)

One-way from

$111
(Kiwi.com)

Popular in

July

Cheapest in

February

Average price

$646
From Houston to Ontario
Search Deals
One-way flight from Houston to Ontario
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($69 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2025
Search Deals

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 julio 3, 2025.

This Kiwi.com deal was found by Cheapflights users on 7/2. 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. 9/49:10 pmIAH - YYZ
1 stop23h 11mMultiple Airlines
sáb. 9/64:00 pmYYZ - IAH
1 stop7h 48mMultiple Airlines
Deal found 7/2$297
This Kiwi.com deal was found by Cheapflights users on 7/2. 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.
vie. 8/87:42 pmIAH - YTZ
1 stop15h 38mMultiple Airlines
lun. 8/117:55 amYTZ - IAH
1 stop12h 03mMultiple Airlines
Deal found 7/2$303
This Kiwi.com deal was found by Cheapflights users on 7/1. 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. 8/2112:01 pmIAH - YUL
2 stops9h 14mMultiple Airlines
lun. 8/256:45 amYUL - IAH
1 stop12h 26mMultiple Airlines
Deal found 7/1$346
This Mytrip deal was found by Cheapflights users on 7/2. 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.
lun. 8/188:56 pmIAH - YKF
2 stops21h 00mMultiple Airlines
vie. 8/226:00 amYKF - IAH
2 stops24h 00mMultiple Airlines
Deal found 7/2$355
This American Airlines deal was found by Cheapflights users on 7/3. 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.
jue. 9/41:23 pmIAH - YUL
1 stop21h 22mAmerican Airlines
dom. 9/75:15 pmYUL - IAH
1 stop17h 09mAmerican Airlines
Deal found 7/3$410
This Booking.com deal was found by Cheapflights users on 7/1. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 8/76:24 pmHOU - YYZ
1 stop16h 26mSun Country Air
dom. 8/107:45 amYYZ - HOU
1 stop9h 45mSun Country Air
Deal found 7/1$421
This oojo deal was found by Cheapflights users on 7/2. 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.
sáb. 9/68:00 amIAH - YKF
1 stop15h 45mWestJet
sáb. 9/136:00 amYKF - IAH
1 stop17h 43mWestJet
Deal found 7/2$425
This Mytrip deal was found by Cheapflights users on 7/2. 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.
vie. 7/258:03 pmHOU - YTZ
2 stops16h 37mMultiple Airlines
vie. 8/17:55 amYTZ - HOU
2 stops12h 18mMultiple Airlines
Deal found 7/2$432
This Mytrip deal was found by Cheapflights users on 7/2. 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.
mié. 7/306:14 amIAH - YHM
2 stops17h 27mMultiple Airlines
mié. 8/66:00 amYHM - IAH
3 stops30h 04mMultiple Airlines
Deal found 7/2$432
This Mytrip deal was found by Cheapflights users on 7/2. 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.
jue. 8/79:42 amHOU - YYZ
2 stops19h 38mMultiple Airlines
dom. 8/107:45 amYYZ - HOU
1 stop9h 45mMultiple Airlines
Deal found 7/2$456
This oojo deal was found by Cheapflights users on 7/2. 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.
sáb. 9/68:00 amIAH - YHM
1 stop15h 40mWestJet
sáb. 9/136:00 amYHM - IAH
1 stop17h 43mWestJet
Deal found 7/2$477
This Delta deal was found by Cheapflights users on 7/1. 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.
lun. 8/181:05 pmHOU - YYZ
1 stop7h 53mDelta
mar. 8/266:04 amYYZ - HOU
2 stops12h 35mDelta
Deal found 7/1$513

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 julio 3, 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

jue. 9/4

9:10 pm-9:21 pm

1 stop23h 11m

Toronto Pearson Intl

sáb. 9/6

4:00 pm-10:48 pm

1 stop7h 48m

$297

HoustonToronto

IAH - YTZ

IAHYTZ

Houston George Bush Intcntl

vie. 8/8

7:42 pm-12:20 pm

1 stop15h 38m

Toronto Island

lun. 8/11

7:55 am-6:58 pm

1 stop12h 03m

$303

HoustonMontreal

IAH - YUL

IAHYUL

Houston George Bush Intcntl

jue. 8/21

12:01 pm-10:15 pm

2 stops9h 14m

Montreal Pierre Elliott Trudeau Intl

lun. 8/25

6:45 am-6:11 pm

1 stop12h 26m

$346

HoustonToronto

IAH - YKF

IAHYKF

Houston George Bush Intcntl

lun. 8/18

8:56 pm-6:56 pm

2 stops21h 00m

Toronto Region of Waterloo Intl

vie. 8/22

6:00 am-5:00 am

2 stops24h 00m

$355

HoustonMontreal

IAH - YUL

IAHYUL

Houston George Bush Intcntl

jue. 9/4

1:23 pm-11:45 am

1 stop21h 22m

Montreal Pierre Elliott Trudeau Intl

dom. 9/7

5:15 pm-9:24 am

1 stop17h 09m

$410

HoustonToronto

HOU - YYZ

HOUYYZ

Houston Hobby

jue. 8/7

6:24 pm-11:50 am

1 stop16h 26m

Toronto Pearson Intl

dom. 8/10

7:45 am-4:30 pm

1 stop9h 45m

$421

HoustonToronto

IAH - YKF

IAHYKF

Houston George Bush Intcntl

sáb. 9/6

8:00 am-12:45 am

1 stop15h 45m

Toronto Region of Waterloo Intl

sáb. 9/13

6:00 am-10:43 pm

1 stop17h 43m

$425

HoustonToronto

HOU - YTZ

HOUYTZ

Houston Hobby

vie. 7/25

8:03 pm-1:40 pm

2 stops16h 37m

Toronto Island

vie. 8/1

7:55 am-7:13 pm

2 stops12h 18m

$432

HoustonHamilton

IAH - YHM

IAHYHM

Houston George Bush Intcntl

mié. 7/30

6:14 am-12:41 am

2 stops17h 27m

Hamilton

mié. 8/6

6:00 am-11:04 am

3 stops30h 04m

$432

HoustonToronto

HOU - YYZ

HOUYYZ

Houston Hobby

jue. 8/7

9:42 am-6:20 am

2 stops19h 38m

Toronto Pearson Intl

dom. 8/10

7:45 am-4:30 pm

1 stop9h 45m

$456

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/1

Showing 1-10 of 44 results
1
2
3
...
5

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 julio 3, 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 julio 3, 2025.
Read reviews from past customers who have flown Alaska Airlines, Delta, and United 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.
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Crew

8.5

Food

7.1

Comfort

7.8

Boarding

8.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Crew

8.5

Food

7.1

Comfort

7.8

Boarding

8.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
Delta
8.0
Very good
7,982 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Crew

8.5

Food

7.1

Comfort

7.8

Boarding

8.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
United Airlines
7.4
Good
8,861 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Crew

8.5

Food

7.1

Comfort

7.8

Boarding

8.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Crew

8.5

Food

7.1

Comfort

7.8

Boarding

8.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
WestJet
7.2
Good
2,917 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Crew

8.5

Food

7.1

Comfort

7.8

Boarding

8.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.

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?

    For one-way options, check prices for Delta. According to our data, you can fly for as low as $176. Users have also found prices from $177 and $208 on American Airlines and WestJet, 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

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

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 Calgary flights
Austin to Vancouver Intl flights
Hobby to Vancouver Intl flights
Dallas/Fort Worth to Pierre Elliott Trudeau Intl flights
George Bush Intcntl to Calgary flights
George Bush Intcntl to Pearson Intl flights
Dallas/Fort Worth to Calgary flights
George Bush Intcntl to Vancouver Intl flights
Dallas/Fort Worth to Vancouver Intl flights
Austin to Pearson Intl flights
Austin to Calgary flights
Dallas/Fort Worth to Toronto Island flights
Hobby to Pierre Elliott Trudeau Intl flights
Love Field to Pearson Intl flights
Austin to Pierre Elliott Trudeau Intl flights
George Bush Intcntl to Pierre Elliott Trudeau Intl flights
Hobby to Toronto Island flights
George Bush Intcntl to Toronto Island flights
Love Field to Calgary flights
Love Field to Pierre Elliott Trudeau Intl flights
San Antonio to Pearson Intl flights
Austin to Abbotsford flights
Love Field to Vancouver Intl flights
Dallas/Fort Worth to Edmonton flights
Hobby to Abbotsford flights
Hobby to Edmonton flights
Austin to Toronto Island flights
George Bush Intcntl to Abbotsford flights
George Bush Intcntl to Region of Waterloo Intl flights
George Bush Intcntl to Hamilton flights
Dallas/Fort Worth to Ottawa flights
San Antonio to Pierre Elliott Trudeau Intl flights
San Antonio to Vancouver Intl flights
San Antonio to Calgary flights
Dallas/Fort Worth to Halifax flights
George Bush Intcntl to Edmonton flights
Dallas/Fort Worth to Winnipeg flights
Hobby to Winnipeg flights
Dallas/Fort Worth to Québec City flights
Dallas/Fort Worth to Abbotsford flights
George Bush Intcntl to Winnipeg flights
Austin to Québec City flights
Love Field to Edmonton flights
Dallas/Fort Worth to Victoria flights
Hobby to Ottawa flights
Dallas/Fort Worth to Kelowna flights
Dallas/Fort Worth to St. John's flights
El Paso to Vancouver Intl 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 julio 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$218Average$498FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$246Average$709FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$250Average$714FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$453Average$524FlexibilityNo cancel feeOn-time71%

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.