HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Ontario

$106+ 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 12/10. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — YYZ
Dec 3 — Dec 101
Wed 12/3
Wed 12/10
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 November 3, 2025.

Round-trip from

$268
(Mytrip)

One-way from

$106
(Kiwi.com)

Popular in

November

Cheapest in

February

Average price

$672
From Houston to Ontario
Search Deals
One-way flight from Houston to Ontario
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($61 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($11 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 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 November 3, 2025.

This Mytrip deal was found by Cheapflights users on 11/2. 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.
Thu 12/410:00 amIAH - YOW
2 stops13h 25mMultiple Airlines
Sun 12/74:20 pmYOW - IAH
3 stops26h 23mMultiple Airlines
Deal found 11/2$268
This Kiwi.com deal was found by Cheapflights users on 11/2. 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.
Fri 11/218:08 pmIAH - YYZ
1 stop17h 12mMultiple Airlines
Wed 12/35:15 pmYYZ - IAH
1 stop15h 39mMultiple Airlines
Deal found 11/2$296
This Mytrip deal was found by Cheapflights users on 11/2. 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.
Wed 12/108:23 pmIAH - YUL
2 stops19h 00mMultiple Airlines
Sun 12/146:45 amYUL - IAH
3 stops27h 30mMultiple Airlines
Deal found 11/2$297
This Kiwi.com deal was found by Cheapflights users on 11/2. 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.
Fri 11/218:08 pmIAH - YYZ
1 stop17h 12mMultiple Airlines
Tue 12/27:15 amYYZ - IAH
1 stop12h 14mMultiple Airlines
Deal found 11/2$297
This Kiwi.com deal was found by Cheapflights users on 11/1. 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.
Sun 11/308:35 pmIAH - YYZ
1 stop26h 36mMultiple Airlines
Sun 12/72:20 pmYYZ - IAH
1 stop22h 25mMultiple Airlines
Deal found 11/1$298
This Mytrip deal was found by Cheapflights users on 11/2. 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.
Thu 12/116:14 amIAH - YUL
1 stop9h 09mMultiple Airlines
Sun 12/146:45 amYUL - IAH
3 stops27h 30mMultiple Airlines
Deal found 11/2$300
This Kiwi.com deal was found by Cheapflights users on 11/1. 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.
Fri 12/58:07 pmIAH - YYZ
1 stop14h 36mMultiple Airlines
Sun 12/148:30 pmYYZ - IAH
1 stop13h 48mMultiple Airlines
Deal found 11/1$300
This Kiwi.com deal was found by Cheapflights users on 11/2. 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.
Fri 12/510:41 amIAH - YOW
1 stop12h 44mMultiple Airlines
Mon 12/87:00 amYOW - IAH
1 stop27h 18mMultiple Airlines
Deal found 11/2$301
This Kiwi.com deal was found by Cheapflights users on 10/31. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/18:08 pmIAH - YYZ
1 stop16h 57mMultiple Airlines
Sat 12/610:15 amYYZ - IAH
2 stops15h 42mMultiple Airlines
Deal found 10/31$301
This Kiwi.com deal was found by Cheapflights users on 11/2. 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.
Wed 11/198:47 pmIAH - YYZ
2 stops16h 53mMultiple Airlines
Tue 12/27:15 amYYZ - IAH
1 stop12h 14mMultiple Airlines
Deal found 11/2$303
This Kiwi.com deal was found by Cheapflights users on 11/2. 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.
Thu 12/48:49 amIAH - YYZ
1 stop14h 22mMultiple Airlines
Sun 12/79:30 pmYYZ - IAH
1 stop16h 14mMultiple Airlines
Deal found 11/2$305
This Kiwi.com deal was found by Cheapflights users on 11/2. 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.
Tue 11/258:54 pmIAH - YYZ
2 stops40h 46mMultiple Airlines
Wed 12/35:15 pmYYZ - IAH
1 stop15h 39mMultiple Airlines
Deal found 11/2$306

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 November 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

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Thu 12/4

10:41 am-12:25 am

1 stop12h 44m

Ottawa

Sun 12/7

4:20 pm-5:43 pm

3 stops26h 23m

$280

HoustonMontreal

IAH - YUL

IAHYUL

Houston George Bush Intcntl

Wed 2/4

5:45 am-3:10 pm

1 stop8h 25m

Montreal Pierre Elliott Trudeau Intl

Sun 2/8

6:45 am-8:42 am

3 stops26h 57m

$292

HoustonMontreal

IAH - YUL

IAHYUL

Houston George Bush Intcntl

Thu 12/11

6:14 am-4:23 pm

1 stop9h 09m

Montreal Pierre Elliott Trudeau Intl

Sun 12/14

6:45 am-9:15 am

3 stops27h 30m

$300

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Fri 12/5

10:41 am-12:25 am

1 stop12h 44m

Ottawa

Mon 12/8

7:00 am-9:18 am

1 stop27h 18m

$301

HoustonMontreal

IAH - YUL

IAHYUL

Houston George Bush Intcntl

Thu 11/27

6:09 pm-4:55 pm

2 stops21h 46m

Montreal Pierre Elliott Trudeau Intl

Mon 12/1

8:00 am-9:01 am

1 stop26h 01m

$307

HoustonToronto

IAH - YTZ

IAHYTZ

Houston George Bush Intcntl

Mon 12/1

7:15 pm-6:13 pm

3 stops21h 58m

Toronto Island

Sun 12/7

2:05 pm-9:18 am

2 stops20h 13m

$326

HoustonToronto

IAH - YTZ

IAHYTZ

Houston George Bush Intcntl

Sun 2/22

7:09 pm-1:42 pm

1 stop17h 33m

Toronto Island

Sat 2/28

9:30 am-8:33 pm

2 stops12h 03m

$335

HoustonMontreal

IAH - YUL

IAHYUL

Houston George Bush Intcntl

Sat 11/15

6:57 pm-12:30 am

1 stop28h 33m

Montreal Pierre Elliott Trudeau Intl

Sat 11/22

4:35 pm-9:39 am

1 stop18h 04m

$340

HoustonOttawa

IAH - YOW

IAHYOW

Houston George Bush Intcntl

Tue 12/2

8:17 pm-12:42 am

2 stops51h 25m

Ottawa

Wed 12/10

4:15 pm-9:18 am

1 stop18h 03m

$344

HoustonToronto

IAH - YYZ

IAHYYZ

Houston George Bush Intcntl

Fri 1/16

6:20 pm-6:58 am

1 stop11h 38m

Toronto Pearson Intl

Sun 1/18

7:45 am-5:29 pm

1 stop10h 44m

$345

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/1

Showing 1-10 of 60 results
1
2
3
...
6

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, November is the cheapest month in which you can book a flight from Houston to Region of Ontario (average of $214). Flying from Houston to Region of Ontario in September is currently the most expensive (average of $274). 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 November 3, 2025.

When flying from Houston to Region of Ontario, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 31% versus a flight at noon.

What is the cheapest day to fly from Houston to Region of Ontario?

Use this chart to determine the cheapest time to fly round-trip from Houston to Ontario. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Houston to Region of Ontario flight should consider departing on Saturday mornings when fares are most often at their lowest. Tuesday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

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 November 3, 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
7.9
Good
8,001 reviews

Crew

8.5

Comfort

7.9

Boarding

8.2

Overall

7.9

Entertainment

7.9

Food

7.3

Reviews

1 / 20
8.0
Excellent

Lane,Nov 2025

MEM - ATL

The crew was very friendly, but they only came around and offered the better Delta Comfort snacks one time. I thought they would come around more frequently on a 5 hour flight. They did do two beverage services though, which was nice.
Delta
7.9
Good
8,001 reviews
Delta
7.9
Good
8,001 reviews

Crew

8.5

Comfort

7.9

Boarding

8.2

Overall

7.9

Entertainment

7.9

Food

7.3

Reviews

1 / 20
8.0
Excellent

Lane,Nov 2025

MEM - ATL

The crew was very friendly, but they only came around and offered the better Delta Comfort snacks one time. I thought they would come around more frequently on a 5 hour flight. They did do two beverage services though, which was nice.
United Airlines
7.4
Good
8,997 reviews
Delta
7.9
Good
8,001 reviews

Crew

8.5

Comfort

7.9

Boarding

8.2

Overall

7.9

Entertainment

7.9

Food

7.3

Reviews

1 / 20
8.0
Excellent

Lane,Nov 2025

MEM - ATL

The crew was very friendly, but they only came around and offered the better Delta Comfort snacks one time. I thought they would come around more frequently on a 5 hour flight. They did do two beverage services though, which was nice.
American Airlines
7.2
Good
11,036 reviews
Delta
7.9
Good
8,001 reviews

Crew

8.5

Comfort

7.9

Boarding

8.2

Overall

7.9

Entertainment

7.9

Food

7.3

Reviews

1 / 20
8.0
Excellent

Lane,Nov 2025

MEM - ATL

The crew was very friendly, but they only came around and offered the better Delta Comfort snacks one time. I thought they would come around more frequently on a 5 hour flight. They did do two beverage services though, which was nice.
Air Canada
7.1
Good
10,394 reviews
Delta
7.9
Good
8,001 reviews

Crew

8.5

Comfort

7.9

Boarding

8.2

Overall

7.9

Entertainment

7.9

Food

7.3

Reviews

1 / 20
8.0
Excellent

Lane,Nov 2025

MEM - ATL

The crew was very friendly, but they only came around and offered the better Delta Comfort snacks one time. I thought they would come around more frequently on a 5 hour flight. They did do two beverage services though, which was nice.

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 13m. 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 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, November is the cheapest month in which you can book a flight from Houston to Region of Ontario (average of $214). Flying from Houston to Region of Ontario in September is currently the most expensive (average of $274). 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.
Hobby to Vancouver Intl flights
George Bush Intcntl to Vancouver Intl flights
Dallas/Fort Worth to Pearson Intl flights
Hobby to Pearson Intl flights
Dallas/Fort Worth to Vancouver Intl flights
George Bush Intcntl to Pearson 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
Austin to Vancouver Intl flights
George Bush Intcntl to Pierre Elliott Trudeau Intl flights
Hobby to Abbotsford flights
George Bush Intcntl to Abbotsford flights
Love Field to Pearson Intl flights
Austin to Calgary flights
Love Field to Vancouver Intl flights
Dallas/Fort Worth to Toronto Island flights
Hobby to Edmonton flights
Love Field to Calgary flights
Dallas/Fort Worth to Québec City flights
Austin to Pierre Elliott Trudeau Intl flights
George Bush Intcntl to Toronto Island flights
San Antonio to Vancouver Intl flights
Love Field to Pierre Elliott Trudeau Intl flights
Austin to Toronto Island flights
Austin to Abbotsford flights
Dallas/Fort Worth to Victoria flights
Dallas/Fort Worth to Abbotsford flights
Dallas/Fort Worth to Edmonton flights
George Bush Intcntl to Edmonton flights
Dallas/Fort Worth to Winnipeg flights
Hobby to Ottawa flights
George Bush Intcntl to Ottawa flights
San Antonio to Pearson Intl flights
George Bush Intcntl to Québec City flights
George Bush Intcntl to Hamilton flights
Dallas/Fort Worth to Yellowknife flights
El Paso to Vancouver Intl flights
Dallas/Fort Worth to Regina flights
Austin to Edmonton flights
Austin to Winnipeg flights
George Bush Intcntl to Region of Waterloo Intl flights
San Antonio to Calgary flights
Hobby to Kelowna flights
George Bush Intcntl to Moncton flights
Austin to Victoria flights
Dallas/Fort Worth to St. John's 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 November 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$218Average$562FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$249Average$713FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$263Average$742FlexibilityNo 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.