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Cheap flights from Ontario to Houston from C$ 228
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 26/8. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — HOU
5 Aug — 12 Aug1
Round-trip
1 adult
Economy
Cheap flight deals from Ontario to Houston
Keep the following information in mind while searching for Ontario to Houston flight deals. Data was last updated 31 July 2025.
Find flight deals from Ontario to Houston
Cheapest flights from Ontario to HoustonExplore the most affordable flight options available from Ontario to Houston. 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 Ontario to Houston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 31 July 2025.
Thu 4/94:00 p.m.YYZ - IAH
2 stops7h 49mMultiple Airlines
Thu 11/95:34 a.m.IAH - YYZ
1 stop7h 31mMultiple Airlines
Deal found 29/7C$ 462
Mon 25/87:55 a.m.YTZ - IAH
1 stop16h 34mMultiple Airlines
Thu 4/98:00 p.m.IAH - YTZ
1 stop15h 17mMultiple Airlines
Deal found 30/7C$ 465
Thu 25/99:00 a.m.YYZ - IAH
2 stops14h 43mWestJet
Tue 7/103:00 p.m.IAH - YYZ
2 stops13h 51mWestJet
Deal found 30/7C$ 465
Wed 20/83:50 p.m.YOW - IAH
1 stop8h 18mMultiple Airlines
Tue 26/85:27 p.m.IAH - YOW
1 stop22h 39mMultiple Airlines
Deal found 30/7C$ 484
Fri 29/86:45 a.m.YUL - IAH
2 stops17h 23mMultiple Airlines
Thu 4/95:30 a.m.IAH - YUL
1 stop7h 50mMultiple Airlines
Deal found 30/7C$ 491
Mon 3/116:20 a.m.YKF - IAH
1 stop12h 09mWestJet
Fri 7/116:20 p.m.IAH - YKF
1 stop10h 08mWestJet
Deal found 30/7C$ 527
Tue 21/107:15 p.m.YOW - IAH
1 stop19h 55mWestJet
Tue 28/106:20 p.m.IAH - YOW
1 stop29h 25mWestJet
Deal found 30/7C$ 533
Fri 29/86:00 a.m.YKF - IAH
2 stops24h 00mMultiple Airlines
Thu 4/910:02 p.m.IAH - YKF
2 stops25h 43mMultiple Airlines
Deal found 30/7C$ 540
Wed 15/1012:25 p.m.YTZ - IAH
1 stop8h 17mAir Canada
Sat 25/1010:00 a.m.IAH - YTZ
2 stops9h 41mAir Canada
Deal found 29/7C$ 549
Fri 3/106:15 a.m.YYZ - HOU
1 stop7h 03mDelta
Mon 6/106:00 a.m.HOU - YYZ
1 stop5h 10mDelta
Deal found 29/7C$ 567
Thu 13/116:10 a.m.YYZ - HOU
1 stop10h 44mAmerican Airlines
Mon 17/1112:15 p.m.HOU - YYZ
1 stop9h 34mAmerican Airlines
Deal found 29/7C$ 574
Wed 1/104:30 p.m.YUL - IAH
Nonstop4h 12mAir Canada
Mon 6/1010:00 a.m.IAH - YUL
Nonstop3h 50mAir Canada
Deal found 29/7C$ 605
Cheapflights Fare Finder
Customize your flight search to find flights from Ontario to Houston 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 Ontario to Houston that are best for you.
Fly from
Ontario
Fly to
Houston
Route
Depart
Return
Price
TorontoHouston
YYZ - IAH
YYZIAH
Toronto Pearson Intl
Thu 4/9
4:00 p.m.-10:49 p.m.
2 stops7h 49m
Houston George Bush Intcntl
Thu 11/9
5:34 a.m.-2:05 p.m.
1 stop7h 31m
C$ 462
TorontoHouston
YYZ - IAH
YYZIAH
Toronto Pearson Intl
Thu 25/9
9:00 a.m.-10:43 p.m.
2 stops14h 43m
Houston George Bush Intcntl
Tue 7/10
3:00 p.m.-5:51 a.m.
2 stops13h 51m
C$ 465
TorontoHouston
YTZ - IAH
YTZIAH
Toronto Island
Mon 25/8
7:55 a.m.-11:29 p.m.
1 stop16h 34m
Houston George Bush Intcntl
Thu 4/9
8:00 p.m.-12:17 p.m.
1 stop15h 17m
C$ 465
OttawaHouston
YOW - IAH
YOWIAH
Ottawa
Wed 20/8
3:50 p.m.-11:08 p.m.
1 stop8h 18m
Houston George Bush Intcntl
Tue 26/8
5:27 p.m.-5:06 p.m.
1 stop22h 39m
C$ 484
MontrealHouston
YUL - IAH
YULIAH
Montreal Pierre Elliott Trudeau Intl
Fri 29/8
6:45 a.m.-11:08 p.m.
2 stops17h 23m
Houston George Bush Intcntl
Thu 4/9
5:30 a.m.-2:20 p.m.
1 stop7h 50m
C$ 491
TorontoHouston
YKF - IAH
YKFIAH
Toronto Region of Waterloo Intl
Mon 3/11
6:20 a.m.-5:29 p.m.
1 stop12h 09m
Houston George Bush Intcntl
Fri 7/11
6:20 p.m.-5:28 a.m.
1 stop10h 08m
C$ 527
OttawaHouston
YOW - IAH
YOWIAH
Ottawa
Tue 21/10
7:15 p.m.-2:10 p.m.
1 stop19h 55m
Houston George Bush Intcntl
Tue 28/10
6:20 p.m.-12:45 a.m.
1 stop29h 25m
C$ 533
TorontoHouston
YKF - IAH
YKFIAH
Toronto Region of Waterloo Intl
Fri 29/8
6:00 a.m.-5:00 a.m.
2 stops24h 00m
Houston George Bush Intcntl
Thu 4/9
10:02 p.m.-12:45 a.m.
2 stops25h 43m
C$ 540
TorontoHouston
YTZ - IAH
YTZIAH
Toronto Island
Wed 15/10
12:25 p.m.-7:42 p.m.
1 stop8h 17m
Houston George Bush Intcntl
Sat 25/10
10:00 a.m.-8:41 p.m.
2 stops9h 41m
C$ 549
TorontoHouston
YYZ - HOU
YYZHOU
Toronto Pearson Intl
Fri 3/10
6:15 a.m.-12:18 p.m.
1 stop7h 03m
Houston Hobby
Mon 6/10
6:00 a.m.-12:10 p.m.
1 stop5h 10m
C$ 567
Showing 1-10 of 48 results
Best time to book a flight from Ontario to Houston
Have a flexible travel schedule? Discover the best time to fly to Houston from Ontario 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 Ontario to Houston
What is the cheapest month to book a flight from Region of Ontario to Houston?
Currently, September is the cheapest month in which you can book a flight from Region of Ontario to Houston (average of C$ 364). Flying from Region of Ontario to Houston in March is currently the most expensive (average of C$ 478). 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 ON to HOU?
Find hourly flight availability from Ontario to Houston. 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.
When flying from Region of Ontario to Houston, 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 Region of Ontario to Houston?
Reviews of airlines servicing Houston
Get insights into the airlines that provide service to Houston. 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 Houston. Reviews last updated 31 July 2025.
See what other customers who have flown with Alaska Airlines,Delta, andUnited Airlines from Ontario to Houston have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
7.8
Crew
8.5
Food
7.1
Overall
8.0
Boarding
8.1
Entertainment
7.1
Reviews
1 / 20
10.0
ExcellentAnonymous,Jul 2025
YEG - SEA
Comfort
7.8
Crew
8.5
Food
7.1
Overall
8.0
Boarding
8.1
Entertainment
7.1
Reviews
1 / 20
10.0
ExcellentAnonymous,Jul 2025
YEG - SEA
Comfort
7.8
Crew
8.5
Food
7.1
Overall
8.0
Boarding
8.1
Entertainment
7.1
Reviews
1 / 20
10.0
ExcellentAnonymous,Jul 2025
YEG - SEA
Comfort
7.8
Crew
8.5
Food
7.1
Overall
8.0
Boarding
8.1
Entertainment
7.1
Reviews
1 / 20
10.0
ExcellentAnonymous,Jul 2025
YEG - SEA
Comfort
7.8
Crew
8.5
Food
7.1
Overall
8.0
Boarding
8.1
Entertainment
7.1
Reviews
1 / 20
10.0
ExcellentAnonymous,Jul 2025
YEG - SEA
Comfort
7.8
Crew
8.5
Food
7.1
Overall
8.0
Boarding
8.1
Entertainment
7.1
Reviews
1 / 20
10.0
ExcellentAnonymous,Jul 2025
YEG - SEA
Related info for your journey
Find useful and relevant information for your journey from Ontario to Houston. 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 Ontario to Houston
See prices for flight routes from nearby airports that may be better suited for you.
Top 5 airlines flying from Ontario to Houston
Discover the top 5 airlines that operate flights from Ontario to Houston. 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 Ontario to Houston?
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Why should you use Cheapflights to find cheap flight tickets from Ontario to Houston?
Millions of users choose and trust Cheapflights to book the best flight deals from Ontario to Houston for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.
Can Cheapflights find flights from Ontario to Houston with no change fees?
Yes, we can. To see specific flights from Ontario to Houston with no change fees, users can toggle flexible booking options after using the search form above to find flights.
Can Cheapflights notify me if prices for flights from Ontario to Houston become cheaper?
Not ready to book yet? You can track prices for flights from Ontario to Houston on Cheapflights with our Price Alert feature and get notified when better prices are available.