$139+ 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 4/10. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — YYZ
Mar 26 — Apr 21
1 adult, Economy
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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
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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 February 24, 2026.
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 February 24, 2026.
This American Airlines deal was found by Cheapflights users on 2/23. 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.
Wed 4/16:02 am
IAH
- YYZ
1 stop5h 28m
American Airlines
Tue 4/711:33 am
YYZ
- IAH
1 stop5h 56m
American Airlines
Deal found 2/23![American Airlines logo]()
$284
This American Airlines deal was found by Cheapflights users on 2/23. 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.
Tue 4/1412:42 pm
HOU
- YYZ
1 stop9h 13m
American Airlines
Fri 4/176:15 pm
YYZ
- HOU
1 stop6h 32m
American Airlines
Deal found 2/23![American Airlines logo]()
$284
This Kiwi.com deal was found by Cheapflights users on 2/21. 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 5/512:27 pm
IAH
- YTZ
1 stop23h 38m
Multiple Airlines
Sat 5/168:50 am
YTZ
- IAH
1 stop24h 42m
Multiple Airlines
Deal found 2/21![Multiple Airlines logo]()
$286
This Kiwi.com deal was found by Cheapflights users on 2/23. 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 3/37:59 pm
IAH
- YYZ
1 stop17h 21m
Multiple Airlines
Tue 3/107:10 am
YYZ
- IAH
1 stop14h 10m
Multiple Airlines
Deal found 2/23![Multiple Airlines logo]()
$286
This Kiwi.com deal was found by Cheapflights users on 2/22. 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.
Sat 3/289:47 pm
IAH
- YYZ
1 stop31h 56m
Multiple Airlines
Tue 3/317:10 am
YYZ
- IAH
1 stop14h 10m
Multiple Airlines
Deal found 2/22![Multiple Airlines logo]()
$289
This Kiwi.com deal was found by Cheapflights users on 2/24. 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 4/209:22 am
IAH
- YTZ
1 stop27h 20m
Multiple Airlines
Fri 4/243:45 pm
YTZ
- IAH
1 stop9h 05m
Multiple Airlines
Deal found 2/24![Multiple Airlines logo]()
$290
This Kiwi.com deal was found by Cheapflights users on 2/22. 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 4/146:57 pm
IAH
- YYZ
1 stop18h 23m
Multiple Airlines
Tue 4/2111:15 am
YYZ
- IAH
1 stop10h 17m
Multiple Airlines
Deal found 2/22![Multiple Airlines logo]()
$290
This Kiwi.com deal was found by Cheapflights users on 2/23. 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 3/510:11 pm
IAH
- YYZ
1 stop15h 09m
Multiple Airlines
Mon 3/95:15 pm
YYZ
- IAH
1 stop16h 25m
Multiple Airlines
Deal found 2/23![Multiple Airlines logo]()
$291
This Kiwi.com deal was found by Cheapflights users on 2/23. 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 4/203:24 pm
IAH
- YUL
1 stop22h 46m
Multiple Airlines
Wed 4/296:50 am
YUL
- IAH
2 stops26h 37m
Multiple Airlines
Deal found 2/23![Multiple Airlines logo]()
$292
This Kiwi.com deal was found by Cheapflights users on 2/23. 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 3/510:11 pm
IAH
- YYZ
1 stop15h 09m
Multiple Airlines
Tue 3/107:10 am
YYZ
- IAH
1 stop14h 10m
Multiple Airlines
Deal found 2/23![Multiple Airlines logo]()
$292
This Kiwi.com deal was found by Cheapflights users on 2/20. 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 4/203:24 pm
IAH
- YYZ
1 stop21h 41m
Multiple Airlines
Sat 4/259:35 am
YYZ
- IAH
1 stop30h 28m
Multiple Airlines
Deal found 2/20![Multiple Airlines logo]()
$293
This American Airlines deal was found by Cheapflights users on 2/23. 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.
Tue 4/712:42 pm
HOU
- YYZ
1 stop9h 13m
American Airlines
Thu 4/96:15 pm
YYZ
- HOU
1 stop6h 32m
American Airlines
Deal found 2/23![American Airlines logo]()
$295
Best flights from Houston to OntarioDiscover carefully curated flight deals from Houston to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 24, 2026.
Discover carefully curated flight deals from Houston to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 24, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/24. 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 4/209:22 am
IAH
- YTZ
1 stop27h 20m
Multiple Airlines
Fri 4/243:45 pm
YTZ
- IAH
1 stop9h 05m
Multiple Airlines
Deal found 2/24![Multiple Airlines logo]()
$290
This FlightHub deal was found by Cheapflights users on 2/24. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/86:20 pm
IAH
- YKF
1 stop10h 09m
WestJet
Sat 4/117:00 pm
YKF
- IAH
1 stop23h 30m
WestJet
Deal found 2/24![WestJet logo]()
$318
This Delta deal was found by Cheapflights users on 2/23. 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.
Mon 6/16:45 pm
IAH
- YUL
1 stop12h 54m
Delta
Wed 6/37:44 pm
YUL
- IAH
1 stop14h 45m
Delta
Deal found 2/23![Delta logo]()
$433
This United Airlines deal was found by Cheapflights users on 2/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/2310:45 pm
IAH
- YUL
1 stop12h 06m
United Airlines
Mon 4/279:15 am
YUL
- IAH
1 stop10h 54m
United Airlines
Deal found 2/20![United Airlines logo]()
$513
This Air Canada deal was found by Cheapflights users on 2/23. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/2111:50 am
IAH
- YTZ
2 stops8h 42m
Air Canada
Wed 4/2212:30 pm
YTZ
- IAH
1 stop8h 56m
Air Canada
Deal found 2/23![Air Canada logo]()
$573
This Alaska Airlines deal was found by Cheapflights users on 2/22. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/295:57 pm
IAH
- YYZ
2 stops20h 48m
Alaska Airlines
Sat 6/64:55 pm
YYZ
- IAH
2 stops21h 51m
Alaska Airlines
Deal found 2/22![Alaska Airlines logo]()
$659
This Kiwi.com deal was found by Cheapflights users on 2/23. 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 6/27:05 am
IAH
- YTZ
1 stop7h 05m
Multiple Airlines
Fri 6/56:45 am
YTZ
- IAH
1 stop9h 45m
Multiple Airlines
Deal found 2/23![Multiple Airlines logo]()
$387
This oojo deal was found by Cheapflights users on 2/23. 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.
Tue 6/26:30 am
IAH
- YHM
1 stop9h 45m
WestJet
Fri 6/56:10 pm
YHM
- IAH
1 stop29h 30m
WestJet
Deal found 2/23![WestJet logo]()
$402
This Delta deal was found by Cheapflights users on 2/23. 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.
Tue 6/26:45 pm
IAH
- YUL
1 stop12h 54m
Delta
Thu 6/47:44 pm
YUL
- IAH
1 stop14h 45m
Delta
Deal found 2/23![Delta logo]()
$433
This Kiwi.com deal was found by Cheapflights users on 2/22. 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 3/277:05 am
IAH
- YTZ
1 stop8h 20m
Multiple Airlines
Mon 3/307:00 am
YTZ
- IAH
2 stops14h 08m
Multiple Airlines
Deal found 2/22![Multiple Airlines logo]()
$398
This oojo deal was found by Cheapflights users on 2/22. 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.
Mon 4/276:30 am
IAH
- YHM
1 stop9h 45m
WestJet
Thu 4/306:10 pm
YHM
- IAH
1 stop20h 45m
WestJet
Deal found 2/22![WestJet logo]()
$427
This Kiwi.com deal was found by Cheapflights users on 2/20. 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 5/265:11 pm
IAH
- YTZ
2 stops21h 49m
Multiple Airlines
Fri 6/58:25 am
YTZ
- IAH
1 stop8h 05m
Multiple Airlines
Deal found 2/20![Multiple Airlines logo]()
$430
This oojo deal was found by Cheapflights users on 2/21. 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.
Thu 6/42:50 pm
IAH
- YKF
1 stop28h 00m
WestJet
Sun 6/78:40 pm
YKF
- IAH
1 stop27h 00m
WestJet
Deal found 2/21![WestJet logo]()
$443
This United Airlines deal was found by Cheapflights users on 2/23. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/228:23 am
IAH
- YUL
1 stop9h 32m
United Airlines
Tue 5/54:30 pm
YUL
- IAH
Nonstop4h 29m
United Airlines
Deal found 2/23![United Airlines logo]()
$572
This Delta deal was found by Cheapflights users on 2/23. 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.
Sat 5/304:50 pm
IAH
- YUL
1 stop14h 49m
Delta
Sun 6/77:00 am
YUL
- IAH
1 stop7h 59m
Delta
Deal found 2/23![Delta logo]()
$529
This Kiwi.com deal was found by Cheapflights users on 2/20. 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 4/87:05 am
IAH
- YTZ
1 stop10h 50m
Multiple Airlines
Sat 4/118:45 am
YTZ
- IAH
1 stop7h 42m
Multiple Airlines
Deal found 2/20![Multiple Airlines logo]()
$441
This EaseMyTrip deal was found by Cheapflights users on 2/20. 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 EaseMyTrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/2210:00 am
IAH
- YTZ
1 stop6h 51m
Air Canada
Sat 8/112:30 pm
YTZ
- IAH
1 stop8h 08m
Air Canada
Deal found 2/20![Air Canada logo]()
$599
This Air Canada deal was found by Cheapflights users on 2/20. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/110:00 am
IAH
- YUL
Nonstop3h 52m
Air Canada
Wed 5/64:30 pm
YUL
- IAH
Nonstop4h 29m
Air Canada
Deal found 2/20![Air Canada logo]()
$601
This United Airlines deal was found by Cheapflights users on 2/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/92:23 pm
IAH
- YYZ
1 stop8h 36m
United Airlines
Sat 5/166:10 am
YYZ
- IAH
Nonstop3h 53m
United Airlines
Deal found 2/21![United Airlines logo]()
$617
This Delta deal was found by Cheapflights users on 2/24. 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.
Fri 6/261:15 pm
IAH
- YYZ
1 stop7h 45m
Delta
Mon 7/66:15 am
YYZ
- IAH
1 stop7h 01m
Delta
Deal found 2/24![Delta logo]()
$585
This FlightHub deal was found by Cheapflights users on 2/20. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/152:50 pm
IAH
- YKF
1 stop28h 00m
WestJet
Tue 7/218:40 pm
YKF
- IAH
1 stop27h 00m
WestJet
Deal found 2/20![WestJet logo]()
$532
This United Airlines deal was found by Cheapflights users on 2/22. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/2210:05 pm
IAH
- YUL
1 stop12h 46m
United Airlines
Thu 4/305:00 pm
YUL
- IAH
Nonstop4h 26m
United Airlines
Deal found 2/22![United Airlines logo]()
$619
This Delta deal was found by Cheapflights users on 2/24. 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.
Thu 5/1410:27 am
HOU
- YYZ
1 stop5h 48m
Delta
Mon 5/187:45 am
YYZ
- HOU
1 stop5h 26m
Delta
Deal found 2/24![Delta logo]()
$585
This Trip.com deal was found by Cheapflights users on 2/21. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/126:30 am
IAH
- YKF
1 stop12h 20m
WestJet
Wed 8/198:40 pm
YKF
- IAH
1 stop27h 00m
WestJet
Deal found 2/21![WestJet logo]()
$540
This Kiwi.com deal was found by Cheapflights users on 2/22. 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 3/117:05 am
IAH
- YTZ
1 stop11h 45m
Multiple Airlines
Tue 4/147:45 am
YTZ
- IAH
1 stop8h 42m
Multiple Airlines
Deal found 2/22![Multiple Airlines logo]()
$555
This Delta deal was found by Cheapflights users on 2/24. 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.
Thu 5/1410:27 am
HOU
- YYZ
1 stop5h 48m
Delta
Sun 5/176:15 am
YYZ
- HOU
1 stop6h 56m
Delta
Deal found 2/24![Delta logo]()
$585
This United Airlines deal was found by Cheapflights users on 2/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/166:19 pm
IAH
- YYZ
Nonstop3h 18m
United Airlines
Tue 3/248:45 am
YYZ
- IAH
1 stop9h 33m
United Airlines
Deal found 2/21![United Airlines logo]()
$655
This FlightHub deal was found by Cheapflights users on 2/20. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/196:30 am
IAH
- YKF
1 stop12h 20m
WestJet
Sun 8/238:40 pm
YKF
- IAH
1 stop18h 15m
WestJet
Deal found 2/20![WestJet logo]()
$552
This Kiwi.com deal was found by Cheapflights users on 2/20. 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 3/277:05 am
IAH
- YTZ
1 stop8h 20m
Multiple Airlines
Thu 4/23:00 pm
YTZ
- IAH
2 stops8h 50m
Multiple Airlines
Deal found 2/20![Multiple Airlines logo]()
$557
This Delta deal was found by Cheapflights users on 2/21. 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.
Tue 6/26:00 am
HOU
- YYZ
1 stop5h 19m
Delta
Sat 6/136:15 am
YYZ
- HOU
1 stop6h 55m
Delta
Deal found 2/21![Delta logo]()
$617
Last-minute flights from Houston to OntarioDiscover last-minute flight deals from Houston to Ontario. Data last updated February 24, 2026 and is based on user searches.
Discover last-minute flight deals from Houston to Ontario. Data last updated February 24, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 2/23. 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 3/37:59 pm
IAH
- YYZ
1 stop17h 21m
Multiple Airlines
Tue 3/107:10 am
YYZ
- IAH
1 stop14h 10m
Multiple Airlines
Deal found 2/23![Multiple Airlines logo]()
$286
This Kiwi.com deal was found by Cheapflights users on 2/23. 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 3/39:40 pm
IAH
- YYZ
1 stop15h 40m
Multiple Airlines
Thu 3/53:40 pm
YYZ
- IAH
1 stop9h 38m
Multiple Airlines
Deal found 2/23![Multiple Airlines logo]()
$305
This Kiwi.com deal was found by Cheapflights users on 2/23. 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 3/510:11 pm
IAH
- YYZ
1 stop15h 09m
Multiple Airlines
Mon 3/95:15 pm
YYZ
- IAH
1 stop16h 25m
Multiple Airlines
Deal found 2/23![Multiple Airlines logo]()
$291
This Kiwi.com deal was found by Cheapflights users on 2/23. 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 3/510:11 pm
IAH
- YYZ
1 stop15h 09m
Multiple Airlines
Tue 3/107:10 am
YYZ
- IAH
1 stop14h 10m
Multiple Airlines
Deal found 2/23![Multiple Airlines logo]()
$292
This Kiwi.com deal was found by Cheapflights users on 2/22. 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 3/119:15 pm
IAH
- YYZ
1 stop13h 11m
Multiple Airlines
Mon 3/2310:15 am
YYZ
- IAH
1 stop10h 53m
Multiple Airlines
Deal found 2/22![Multiple Airlines logo]()
$296
This Kiwi.com deal was found by Cheapflights users on 2/22. 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 3/119:15 pm
IAH
- YYZ
1 stop13h 11m
Multiple Airlines
Tue 3/247:15 am
YYZ
- IAH
2 stops14h 05m
Multiple Airlines
Deal found 2/22![Multiple Airlines logo]()
$297
This Kiwi.com deal was found by Cheapflights users on 2/22. 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 3/119:15 pm
IAH
- YYZ
1 stop13h 11m
Multiple Airlines
Tue 4/143:40 pm
YYZ
- IAH
2 stops26h 53m
Multiple Airlines
Deal found 2/22![Multiple Airlines logo]()
$307
This American Airlines deal was found by Cheapflights users on 2/22. 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.
Wed 3/116:00 am
HOU
- YYZ
1 stop6h 14m
American Airlines
Tue 4/146:45 am
YYZ
- HOU
1 stop6h 27m
American Airlines
Deal found 2/22![American Airlines logo]()
$315
This Kiwi.com deal was found by Cheapflights users on 2/22. 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 3/129:36 am
IAH
- YYZ
1 stop9h 19m
Multiple Airlines
Mon 3/2310:15 am
YYZ
- IAH
1 stop10h 53m
Multiple Airlines
Deal found 2/22![Multiple Airlines logo]()
$298
This Kiwi.com deal was found by Cheapflights users on 2/22. 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 3/129:36 am
IAH
- YYZ
1 stop9h 19m
Multiple Airlines
Wed 3/257:10 am
YYZ
- IAH
1 stop8h 14m
Multiple Airlines
Deal found 2/22![Multiple Airlines logo]()
$299
This American Airlines deal was found by Cheapflights users on 2/23. 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.
Wed 3/186:31 am
IAH
- YYZ
1 stop7h 59m
American Airlines
Tue 3/246:10 am
YYZ
- IAH
1 stop6h 19m
American Airlines
Deal found 2/23![American Airlines logo]()
$295
This Kiwi.com deal was found by Cheapflights users on 2/22. 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.
Sat 3/289:47 pm
IAH
- YYZ
1 stop31h 56m
Multiple Airlines
Tue 3/317:10 am
YYZ
- IAH
1 stop14h 10m
Multiple Airlines
Deal found 2/22![Multiple Airlines logo]()
$289
One-way flights from Houston to OntarioSearch for one-way flight options from Houston to Ontario. Find affordable one-way fares based on user searches. Data last updated February 24, 2026.
Search for one-way flight options from Houston to Ontario. Find affordable one-way fares based on user searches. Data last updated February 24, 2026.
This American Airlines deal was found by Cheapflights users on 2/23. 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.
Fri 4/106:01 am
HOU
- YUL
1 stop7h 43m
American Airlines
Deal found 2/23![American Airlines logo]()
$139
This American Airlines deal was found by Cheapflights users on 2/20. 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.
Fri 4/177:20 am
IAH
- YUL
1 stop6h 24m
American Airlines
Deal found 2/20![American Airlines logo]()
$139
This Kiwi.com deal was found by Cheapflights users on 2/24. 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 4/94:53 pm
IAH
- YYZ
2 stops29h 27m
Multiple Airlines
Deal found 2/24![Multiple Airlines logo]()
$153
This FlightHub deal was found by Cheapflights users on 2/23. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/166:20 pm
IAH
- YKF
1 stop10h 09m
WestJet
Deal found 2/23![WestJet logo]()
$156
This American Airlines deal was found by Cheapflights users on 2/23. 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.
Mon 3/167:43 pm
IAH
- YYZ
1 stop19h 36m
American Airlines
Deal found 2/23![American Airlines logo]()
$156
This American Airlines deal was found by Cheapflights users on 2/23. 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.
Mon 3/168:20 pm
HOU
- YYZ
1 stop18h 59m
American Airlines
Deal found 2/23![American Airlines logo]()
$156
This Kiwi.com deal was found by Cheapflights users on 2/23. 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 4/309:23 am
IAH
- YYZ
3 stops30h 46m
Multiple Airlines
Deal found 2/23![Multiple Airlines logo]()
$157
This Kiwi.com deal was found by Cheapflights users on 2/21. 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 3/2510:56 pm
IAH
- YYZ
2 stops47h 34m
Multiple Airlines
Deal found 2/21![Multiple Airlines logo]()
$159
This American Airlines deal was found by Cheapflights users on 2/23. 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.
Fri 2/276:40 pm
IAH
- YYZ
1 stop15h 19m
American Airlines
Deal found 2/23![American Airlines logo]()
$160
This Kiwi.com deal was found by Cheapflights users on 2/23. 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 3/185:15 am
IAH
- YYZ
2 stops13h 20m
Multiple Airlines
Deal found 2/23![Multiple Airlines logo]()
$162
This Kiwi.com deal was found by Cheapflights users on 2/20. 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 5/185:49 pm
IAH
- YUL
2 stops43h 24m
Multiple Airlines
Deal found 2/20![Multiple Airlines logo]()
$164
This American Airlines deal was found by Cheapflights users on 2/21. 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.
Thu 3/56:01 am
IAH
- YYZ
1 stop9h 02m
American Airlines
Deal found 2/21![American Airlines logo]()
$165
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 February 24, 2026.
Round-trip from | $284 (American Airlines) |
|---|---|
One-way from | $139 (American Airlines) |
Popular in | December |
Cheapest in | April |
Average price | $680 |
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 February 24, 2026.
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 - YTZ
IAHYTZ
Houston George Bush Intcntl
Mon 4/20
9:22 am-1:42 pm
1 stop27h 20m
Toronto Island
Fri 4/24
3:45 pm-11:50 pm
1 stop9h 05m
$290
HoustonToronto
IAH - YKF
IAHYKF
Houston George Bush Intcntl
Wed 4/8
6:20 pm-5:29 am
1 stop10h 09m
Toronto Region of Waterloo Intl
Sat 4/11
7:00 pm-5:30 pm
1 stop23h 30m
$318
HoustonToronto
IAH - YTZ
IAHYTZ
Houston George Bush Intcntl
Tue 6/2
7:05 am-3:10 pm
1 stop7h 05m
Toronto Island
Fri 6/5
6:45 am-3:30 pm
1 stop9h 45m
$387
HoustonToronto
IAH - YTZ
IAHYTZ
Houston George Bush Intcntl
Fri 3/27
7:05 am-4:25 pm
1 stop8h 20m
Toronto Island
Mon 3/30
7:00 am-8:08 pm
2 stops14h 08m
$398
HoustonHamilton
IAH - YHM
IAHYHM
Houston George Bush Intcntl
Tue 6/2
6:30 am-5:15 pm
1 stop9h 45m
Hamilton
Fri 6/5
6:10 pm-10:40 pm
1 stop29h 30m
$402
HoustonHamilton
IAH - YHM
IAHYHM
Houston George Bush Intcntl
Mon 4/27
6:30 am-5:15 pm
1 stop9h 45m
Hamilton
Thu 4/30
6:10 pm-1:55 pm
1 stop20h 45m
$427
HoustonToronto
IAH - YTZ
IAHYTZ
Houston George Bush Intcntl
Tue 5/26
5:11 pm-4:00 pm
2 stops21h 49m
Toronto Island
Fri 6/5
8:25 am-3:30 pm
1 stop8h 05m
$430
HoustonMontreal
IAH - YUL
IAHYUL
Houston George Bush Intcntl
Mon 6/1
6:45 pm-8:39 am
1 stop12h 54m
Montreal Pierre Elliott Trudeau Intl
Wed 6/3
7:44 pm-9:29 am
1 stop14h 45m
$433
HoustonMontreal
IAH - YUL
IAHYUL
Houston George Bush Intcntl
Tue 6/2
6:45 pm-8:39 am
1 stop12h 54m
Montreal Pierre Elliott Trudeau Intl
Thu 6/4
7:44 pm-9:29 am
1 stop14h 45m
$433
HoustonToronto
IAH - YTZ
IAHYTZ
Houston George Bush Intcntl
Wed 4/8
7:05 am-6:55 pm
1 stop10h 50m
Toronto Island
Sat 4/11
8:45 am-3:27 pm
1 stop7h 42m
$441
Showing 1-10 of 60 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.
IAH-YTZ
IAH-YKF
IAH-YUL
IAH-YYZ
IAH-YHM
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
HO1-CAON
IAH-YTZ
IAH-YKF
IAH-YUL
IAH-YYZ
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 $118). Flying from Houston to Region of Ontario in September is currently the most expensive (average of $278). 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 February 24, 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.
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 February 24, 2026.
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.
Crew
8.5
Comfort
7.9
Overall
7.9
Entertainment
7.8
Boarding
8.1
Food
7.2
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Crew
8.5
Comfort
7.9
Overall
7.9
Entertainment
7.8
Boarding
8.1
Food
7.2
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Crew
8.5
Comfort
7.9
Overall
7.9
Entertainment
7.8
Boarding
8.1
Food
7.2
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Crew
8.5
Comfort
7.9
Overall
7.9
Entertainment
7.8
Boarding
8.1
Food
7.2
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Crew
8.5
Comfort
7.9
Overall
7.9
Entertainment
7.8
Boarding
8.1
Food
7.2
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Crew
8.5
Comfort
7.9
Overall
7.9
Entertainment
7.8
Boarding
8.1
Food
7.2
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
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.
Complete your trip
Complete your trip to Ontario by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Houston to Ontario by cabin class
Find flights from Houston to Ontario, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Houston and Ontario flights
Browse other Houston and Ontario flight options. Last updated on February 24, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Houston to Ontario flights
Consider these flights traveling from Houston to Ontario.
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 February 24, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$209 | Average$498 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$236 | Average$553 | FlexibilityNo cancel fee | On-time60% | |
| Cheapest$254 | Average$755 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$254 | Average$635 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$453 | Average$532 | FlexibilityNo cancel fee | On-time71% |