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Cheap flights from Houston to Ontario from C$ 162
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 4/9. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — YYZ
5 Aug — 12 Aug1
Round-trip
1 adult
Economy
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 31 July 2025.
Find flight deals from Houston to Ontario
Cheapest flights from Houston to OntarioExplore 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 31 July 2025.
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 31 July 2025.
Thu 4/95:25 a.m.IAH - YUL
2 stops14h 52mMultiple Airlines
Sun 7/97:00 a.m.YUL - IAH
3 stops26h 24mMultiple Airlines
Deal found 30/7C$ 423
Sat 13/98:30 a.m.IAH - YOW
1 stop6h 26mMultiple Airlines
Tue 16/94:25 p.m.YOW - IAH
1 stop16h 59mMultiple Airlines
Deal found 29/7C$ 461
Tue 19/85:30 a.m.IAH - YTZ
2 stops13h 12mMultiple Airlines
Tue 26/89:45 a.m.YTZ - IAH
1 stop7h 12mMultiple Airlines
Deal found 30/7C$ 465
Thu 25/97:31 p.m.IAH - YYZ
2 stops24h 36mMultiple Airlines
Sun 28/96:30 a.m.YYZ - IAH
1 stop12h 42mMultiple Airlines
Deal found 30/7C$ 465
Thu 27/111:35 p.m.IAH - YOW
1 stop10h 10mWestJet
Sat 29/116:00 a.m.YOW - IAH
1 stop12h 29mWestJet
Deal found 30/7C$ 483
Wed 29/106:20 p.m.IAH - YKF
1 stop10h 08mWestJet
Tue 4/116:20 a.m.YKF - IAH
1 stop12h 09mWestJet
Deal found 30/7C$ 487
Fri 12/98:00 a.m.IAH - YYZ
1 stop9h 52mWestJet
Sat 27/91:30 p.m.YYZ - IAH
1 stop10h 13mWestJet
Deal found 30/7C$ 533
Sat 27/99:30 a.m.HOU - YYZ
1 stop7h 14mMultiple Airlines
Mon 3/116:00 p.m.YYZ - HOU
1 stop6h 00mMultiple Airlines
Deal found 30/7C$ 655
Thu 7/86:24 p.m.HOU - YYZ
1 stop16h 26mSun Country Air
Thu 14/811:40 a.m.YYZ - HOU
1 stop8h 02mSun Country Air
Deal found 29/7C$ 668
Sun 14/96:00 a.m.HOU - YYZ
1 stop5h 07mDelta
Tue 23/96:03 a.m.YYZ - HOU
2 stops12h 37mDelta
Deal found 30/7C$ 685
Sat 13/97:49 a.m.IAH - YKF
2 stops20h 41mMultiple Airlines
Sat 20/96:00 a.m.YKF - IAH
1 stop17h 43mMultiple Airlines
Deal found 30/7C$ 721
Sun 19/106:00 a.m.HOU - YYZ
1 stop9h 50mWestJet
Sat 25/106:00 p.m.YYZ - HOU
1 stop6h 00mWestJet
Deal found 30/7C$ 736
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 629,999 searches. Data last updated 31 July 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
HoustonMontreal
IAH - YUL
IAHYUL
Houston George Bush Intcntl
Thu 4/9
5:25 a.m.-9:17 p.m.
2 stops14h 52m
Montreal Pierre Elliott Trudeau Intl
Sun 7/9
7:00 a.m.-8:24 a.m.
3 stops26h 24m
C$ 423
HoustonOttawa
IAH - YOW
IAHYOW
Houston George Bush Intcntl
Sat 13/9
8:30 a.m.-3:56 p.m.
1 stop6h 26m
Ottawa
Tue 16/9
4:25 p.m.-8:24 a.m.
1 stop16h 59m
C$ 461
HoustonToronto
IAH - YTZ
IAHYTZ
Houston George Bush Intcntl
Tue 19/8
5:30 a.m.-7:42 p.m.
2 stops13h 12m
Toronto Island
Tue 26/8
9:45 a.m.-3:57 p.m.
1 stop7h 12m
C$ 465
HoustonToronto
IAH - YYZ
IAHYYZ
Houston George Bush Intcntl
Thu 25/9
7:31 p.m.-9:07 p.m.
2 stops24h 36m
Toronto Pearson Intl
Sun 28/9
6:30 a.m.-6:12 p.m.
1 stop12h 42m
C$ 465
HoustonOttawa
IAH - YOW
IAHYOW
Houston George Bush Intcntl
Thu 27/11
1:35 p.m.-12:45 a.m.
1 stop10h 10m
Ottawa
Sat 29/11
6:00 a.m.-5:29 p.m.
1 stop12h 29m
C$ 483
HoustonToronto
IAH - YKF
IAHYKF
Houston George Bush Intcntl
Wed 29/10
6:20 p.m.-5:28 a.m.
1 stop10h 08m
Toronto Region of Waterloo Intl
Tue 4/11
6:20 a.m.-5:29 p.m.
1 stop12h 09m
C$ 487
HoustonToronto
IAH - YYZ
IAHYYZ
Houston George Bush Intcntl
Fri 12/9
8:00 a.m.-6:52 p.m.
1 stop9h 52m
Toronto Pearson Intl
Sat 27/9
1:30 p.m.-10:43 p.m.
1 stop10h 13m
C$ 533
HoustonToronto
HOU - YYZ
HOUYYZ
Houston Hobby
Sat 27/9
9:30 a.m.-5:44 p.m.
1 stop7h 14m
Toronto Pearson Intl
Mon 3/11
6:00 p.m.-11:00 p.m.
1 stop6h 00m
C$ 655
HoustonToronto
HOU - YYZ
HOUYYZ
Houston Hobby
Thu 7/8
6:24 p.m.-11:50 a.m.
1 stop16h 26m
Toronto Pearson Intl
Thu 14/8
11:40 a.m.-6:42 p.m.
1 stop8h 02m
C$ 668
HoustonToronto
HOU - YYZ
HOUYYZ
Houston Hobby
Sun 14/9
6:00 a.m.-12:07 p.m.
1 stop5h 07m
Toronto Pearson Intl
Tue 23/9
6:03 a.m.-5:40 p.m.
2 stops12h 37m
C$ 685
Showing 1-10 of 49 results
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 C$ 167). Flying from Houston to Region of Ontario in July is currently the most expensive (average of C$ 258). 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 31 July 2025.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Houston to Region of Ontario as you normally would.
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 31 July 2025.
Read through reviews of airlines operating flights from Houston to Ontario, such as Alaska Airlines,Delta, andUnited Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.1
Overall
8.0
Comfort
7.8
Food
7.1
Crew
8.5
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentJonathan,Jul 2025
SEA - BOS
Entertainment
7.1
Overall
8.0
Comfort
7.8
Food
7.1
Crew
8.5
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentJonathan,Jul 2025
SEA - BOS
Entertainment
7.1
Overall
8.0
Comfort
7.8
Food
7.1
Crew
8.5
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentJonathan,Jul 2025
SEA - BOS
Entertainment
7.1
Overall
8.0
Comfort
7.8
Food
7.1
Crew
8.5
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentJonathan,Jul 2025
SEA - BOS
Entertainment
7.1
Overall
8.0
Comfort
7.8
Food
7.1
Crew
8.5
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentJonathan,Jul 2025
SEA - BOS
Entertainment
7.1
Overall
8.0
Comfort
7.8
Food
7.1
Crew
8.5
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentJonathan,Jul 2025
SEA - BOS
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.
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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.
Top 2 airlines flying from Houston to Ontario
Discover the top 2 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 629,999 searches. Data last updated 31 July 2025.
Fly with Cheapflights
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How does Cheapflights help users find flights from Houston to Ontario?
When you search for this flight from Houston to Ontario, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.
Why should you use Cheapflights to find cheap flight tickets from Houston to Ontario?
Cheapflights helps you find that perfect flight to Ontario from Houston by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!
Can Cheapflights find flights from Houston to Ontario with no change fees?
Certainly. Search results for flights to Ontario from Houston shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.
Can Cheapflights notify me if prices for flights from Houston to Ontario become cheaper?
Of course! You can now track prices for flights from Houston to Ontario and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.