Ontario

$119+ 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 6/16. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — YYZ
jun. 1 — jun. 81
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Cheap 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 mayo 2, 2026.

This Kiwi.com deal was found by Cheapflights users on 4/30. 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.
mié. 8/268:29 am
IAH
-
YYZ
1 stop28h 36m
Multiple Airlines
mié. 9/27:45 am
YYZ
-
IAH
1 stop11h 24m
Multiple Airlines
Deal found 4/30$288
This Kiwi.com deal was found by Cheapflights users on 4/28. 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. 6/88:29 am
IAH
-
YYZ
1 stop28h 36m
Multiple Airlines
mié. 6/179:55 am
YYZ
-
IAH
1 stop11h 03m
Multiple Airlines
Deal found 4/28$302
This Kiwi.com deal was found by Cheapflights users on 4/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 5/136:30 am
IAH
-
YYZ
2 stops15h 15m
Multiple Airlines
mié. 5/209:50 am
YYZ
-
IAH
1 stop9h 59m
Multiple Airlines
Deal found 4/29$306
This Kiwi.com deal was found by Cheapflights users on 4/27. 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. 6/88:29 am
IAH
-
YYZ
1 stop28h 36m
Multiple Airlines
dom. 6/144:50 pm
YYZ
-
IAH
1 stop16h 57m
Multiple Airlines
Deal found 4/27$312
This Kiwi.com deal was found by Cheapflights users on 4/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 5/286:00 am
IAH
-
YTZ
2 stops34h 35m
Multiple Airlines
mié. 6/38:45 am
YTZ
-
IAH
1 stop11h 15m
Multiple Airlines
Deal found 4/29$313
This Kiwi.com deal was found by Cheapflights users on 4/27. 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. 6/18:29 am
IAH
-
YYZ
1 stop28h 36m
Multiple Airlines
mar. 6/99:50 am
YYZ
-
IAH
1 stop23h 57m
Multiple Airlines
Deal found 4/27$319
This Kiwi.com deal was found by Cheapflights users on 4/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 5/275:45 am
IAH
-
YTZ
2 stops30h 15m
Multiple Airlines
mié. 6/38:45 am
YTZ
-
IAH
1 stop11h 15m
Multiple Airlines
Deal found 4/29$321
This Kiwi.com deal was found by Cheapflights users on 4/28. 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. 6/48:29 am
IAH
-
YYZ
1 stop14h 11m
Multiple Airlines
dom. 6/75:45 pm
YYZ
-
IAH
1 stop16h 05m
Multiple Airlines
Deal found 4/28$322
This Kiwi.com deal was found by Cheapflights users on 4/30. 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.
jue. 6/48:39 am
IAH
-
YYZ
1 stop14h 01m
Multiple Airlines
lun. 6/1510:30 pm
YYZ
-
IAH
2 stops39h 16m
Multiple Airlines
Deal found 4/30$323
This Kiwi.com deal was found by Cheapflights users on 4/30. 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.
jue. 6/48:39 am
IAH
-
YYZ
1 stop14h 01m
Multiple Airlines
mar. 6/99:50 am
YYZ
-
IAH
2 stops25h 17m
Multiple Airlines
Deal found 4/30$327
This Kiwi.com deal was found by Cheapflights users on 4/27. 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. 5/275:45 am
IAH
-
YYZ
2 stops31h 20m
Multiple Airlines
mié. 6/39:50 am
YYZ
-
IAH
1 stop24h 00m
Multiple Airlines
Deal found 4/27$329
This Kiwi.com deal was found by Cheapflights users on 4/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 5/125:45 am
IAH
-
YYZ
1 stop7h 20m
Multiple Airlines
mar. 5/199:50 am
YYZ
-
IAH
1 stop9h 59m
Multiple Airlines
Deal found 4/29$332

Find flight deals from Houston to Ontario

Keep the following information in mind while searching for Houston to Ontario flight deals. Data was last updated mayo 2, 2026.

Round-trip from

$288
(Kiwi.com)

One-way from

$119
(Kiwi.com)

Popular in

February

Cheapest in

September

Average price

$598
From Houston to Ontario
One-way flight from Houston to Ontario
Highest demand for flights based on searches. 1% potential increase in price ($11 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($8 potential savings vs. average RT price).
Average for round-trip flights in May 2026

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 mayo 2, 2026.
Use the filters below to find and compare flights from Houston to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HoustonHamilton

IAH - YHM

IAHYHM

Houston George Bush Intcntl

vie. 6/5

12:27 pm-3:55 pm

2 stops26h 28m

Hamilton

mar. 6/9

6:10 pm-1:55 pm

1 stop20h 45m

$466

HoustonToronto

IAH - YTZ

IAHYTZ

Houston George Bush Intcntl

jue. 5/14

6:50 am-3:05 pm

1 stop7h 15m

Toronto Island

lun. 5/18

7:00 am-3:14 pm

1 stop9h 14m

$509

HoustonToronto

IAH - YYZ

IAHYYZ

Houston George Bush Intcntl

mié. 7/29

10:50 am-11:44 pm

1 stop11h 54m

Toronto Pearson Intl

mié. 8/19

6:00 am-6:52 pm

2 stops13h 52m

$519

HoustonToronto

IAH - YTZ

IAHYTZ

Houston George Bush Intcntl

mié. 5/20

8:12 pm-1:10 pm

1 stop15h 58m

Toronto Island

sáb. 6/6

8:45 am-7:17 pm

1 stop11h 32m

$530

HoustonToronto

IAH - YYZ

IAHYYZ

Houston George Bush Intcntl

vie. 5/15

6:47 pm-9:10 am

1 stop13h 23m

Toronto Pearson Intl

lun. 5/18

6:00 am-9:43 pm

1 stop16h 43m

$549

HoustonMontreal

IAH - YUL

IAHYUL

Houston George Bush Intcntl

sáb. 7/25

4:00 pm-8:39 am

1 stop15h 39m

Montreal Pierre Elliott Trudeau Intl

vie. 7/31

7:44 pm-8:40 pm

1 stop25h 56m

$560

HoustonToronto

IAH - YKF

IAHYKF

Houston George Bush Intcntl

mié. 5/27

6:30 am-7:50 pm

1 stop12h 20m

Toronto Region of Waterloo Intl

dom. 5/31

8:40 pm-1:55 pm

1 stop18h 15m

$563

HoustonMontreal

IAH - YUL

IAHYUL

Houston George Bush Intcntl

mar. 5/12

5:29 pm-5:02 pm

2 stops22h 33m

Montreal Pierre Elliott Trudeau Intl

mié. 5/20

6:45 am-10:16 pm

2 stops16h 31m

$567

HoustonHamilton

IAH - YHM

IAHYHM

Houston George Bush Intcntl

mié. 5/27

6:30 am-5:15 pm

1 stop9h 45m

Hamilton

dom. 5/31

6:10 pm-1:55 pm

1 stop20h 45m

$570

HoustonMontreal

IAH - YUL

IAHYUL

Houston George Bush Intcntl

sáb. 7/25

4:00 pm-8:39 am

1 stop15h 39m

Montreal Pierre Elliott Trudeau Intl

sáb. 8/1

9:30 am-8:40 pm

1 stop12h 10m

$571

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

Showing 1-10 of 60 resultsSorted by cheapest first
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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

How far ahead should I book a flight from Houston to Region of Ontario?

Booking 83 days in advance of your planned departure date is, on average, the best time to get cheap flights from Houston to Region of Ontario. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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 $76). Flying from Houston to Region of Ontario in September is currently the most expensive (average of $257). 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 mayo 2, 2026.

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 mayo 2, 2026.
Read reviews from past customers who have flown Delta,United Airlines, andWestJet 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.

Food

7.2

Entertainment

7.8

Crew

8.5

Comfort

7.9

Overall

7.9

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Barney,May 2026

JFK - ATL

Terrible flight. Late, reduced beverage service, lack of headphones, entertainment service didn't work

Food

7.2

Entertainment

7.8

Crew

8.5

Comfort

7.9

Overall

7.9

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Barney,May 2026

JFK - ATL

Terrible flight. Late, reduced beverage service, lack of headphones, entertainment service didn't work

Food

7.2

Entertainment

7.8

Crew

8.5

Comfort

7.9

Overall

7.9

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Barney,May 2026

JFK - ATL

Terrible flight. Late, reduced beverage service, lack of headphones, entertainment service didn't work

Food

7.2

Entertainment

7.8

Crew

8.5

Comfort

7.9

Overall

7.9

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Barney,May 2026

JFK - ATL

Terrible flight. Late, reduced beverage service, lack of headphones, entertainment service didn't work

Food

7.2

Entertainment

7.8

Crew

8.5

Comfort

7.9

Overall

7.9

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Barney,May 2026

JFK - ATL

Terrible flight. Late, reduced beverage service, lack of headphones, entertainment service didn't work

Food

7.2

Entertainment

7.8

Crew

8.5

Comfort

7.9

Overall

7.9

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Barney,May 2026

JFK - ATL

Terrible flight. Late, reduced beverage service, lack of headphones, entertainment service didn't work

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 39m. Houston and Region of Ontario are separated by a distance of 1285 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 American Airlines. According to our data, you can fly for as low as $163. Users have also found prices from $182 and $218 on Air Canada and United Airlines, respectively.

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

  • 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 $76). Flying from Houston to Region of Ontario in September is currently the most expensive (average of $257). 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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Top 5 airlines flying from Houston to Ontario

Discover the top 5 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 mayo 2, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$118Average$294FlexibilityNo cancel feeOn-timeN/A
WestJetCheapest$236Average$552FlexibilityNo cancel feeOn-time60%
Air CanadaCheapest$263Average$649FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$269Average$786FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$315Average$511FlexibilityNo cancel feeOn-time71%

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