$197+ 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 9/10. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — YYZ
Jul 20 — Jul 271
Round-trip
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
Cheapest
Best
Last-minute
One-way
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 June 20, 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 June 20, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/17. 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 9/176:42 pm
IAH
- YTZ
1 stop18h 43m
Multiple Airlines
Sat 9/1910:05 am
YTZ
- IAH
1 stop8h 42m
Multiple Airlines
Deal found 6/17![Multiple Airlines logo]()
$321
This Kiwi.com deal was found by Cheapflights users on 6/17. 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 7/108:20 am
IAH
- YYZ
1 stop28h 45m
Multiple Airlines
Tue 7/146:30 am
YYZ
- IAH
1 stop9h 20m
Multiple Airlines
Deal found 6/17![Multiple Airlines logo]()
$334
This Kiwi.com deal was found by Cheapflights users on 6/18. 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 7/118:20 am
IAH
- YYZ
1 stop29h 40m
Multiple Airlines
Tue 7/146:30 am
YYZ
- IAH
1 stop9h 20m
Multiple Airlines
Deal found 6/18![Multiple Airlines logo]()
$336
This Kiwi.com deal was found by Cheapflights users on 6/17. 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 8/181:45 pm
IAH
- YYZ
1 stop29h 20m
Multiple Airlines
Tue 9/16:30 am
YYZ
- IAH
1 stop9h 54m
Multiple Airlines
Deal found 6/17![Multiple Airlines logo]()
$339
This Kiwi.com deal was found by Cheapflights users on 6/17. 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 9/196:42 pm
IAH
- YTZ
1 stop18h 43m
Multiple Airlines
Wed 9/2310:05 am
YTZ
- IAH
1 stop8h 42m
Multiple Airlines
Deal found 6/17![Multiple Airlines logo]()
$345
This Kiwi.com deal was found by Cheapflights users on 6/16. 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 9/59:52 pm
IAH
- YTZ
1 stop15h 33m
Multiple Airlines
Wed 9/910:05 am
YTZ
- IAH
1 stop8h 42m
Multiple Airlines
Deal found 6/16![Multiple Airlines logo]()
$346
This Kiwi.com deal was found by Cheapflights users on 6/18. 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 8/228:35 am
IAH
- YYZ
1 stop29h 25m
Multiple Airlines
Sat 9/51:30 pm
YYZ
- IAH
1 stop26h 54m
Multiple Airlines
Deal found 6/18![Multiple Airlines logo]()
$348
This Kiwi.com deal was found by Cheapflights users on 6/17. 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 8/58:16 am
IAH
- YYZ
1 stop28h 49m
Multiple Airlines
Mon 8/109:30 am
YYZ
- IAH
1 stop30h 35m
Multiple Airlines
Deal found 6/17![Multiple Airlines logo]()
$349
This Kiwi.com deal was found by Cheapflights users on 6/16. 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 9/176:42 pm
IAH
- YTZ
1 stop13h 58m
Multiple Airlines
Mon 9/218:40 pm
YTZ
- IAH
1 stop22h 07m
Multiple Airlines
Deal found 6/16![Multiple Airlines logo]()
$350
This Kiwi.com deal was found by Cheapflights users on 6/17. 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 9/178:36 am
IAH
- YYZ
1 stop11h 19m
Multiple Airlines
Sun 9/206:30 am
YYZ
- IAH
1 stop9h 36m
Multiple Airlines
Deal found 6/17![Multiple Airlines logo]()
$350
This Kiwi.com deal was found by Cheapflights users on 6/18. 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 7/217:23 pm
IAH
- YYZ
1 stop23h 42m
Multiple Airlines
Tue 7/286:30 am
YYZ
- IAH
1 stop9h 20m
Multiple Airlines
Deal found 6/18![Multiple Airlines logo]()
$353
This Kiwi.com deal was found by Cheapflights users on 6/18. 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 8/47:23 pm
IAH
- YYZ
1 stop23h 42m
Multiple Airlines
Mon 8/109:30 am
YYZ
- IAH
1 stop30h 35m
Multiple Airlines
Deal found 6/18![Multiple Airlines logo]()
$355
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 June 20, 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 June 20, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/16. 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 9/49:52 pm
IAH
- YTZ
1 stop10h 48m
Multiple Airlines
Mon 9/78:40 pm
YTZ
- IAH
1 stop25h 17m
Multiple Airlines
Deal found 6/16![Multiple Airlines logo]()
$448
This oojo deal was found by Cheapflights users on 6/20. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/106:30 am
IAH
- YKF
1 stop12h 20m
WestJet
Wed 8/128:40 pm
YKF
- IAH
1 stop18h 15m
WestJet
Deal found 6/20![WestJet logo]()
$566
This Delta deal was found by Cheapflights users on 6/19. 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 7/114:00 pm
IAH
- YUL
1 stop15h 32m
Delta
Tue 7/147:44 pm
YUL
- IAH
1 stop15h 05m
Delta
Deal found 6/19![Delta logo]()
$603
This United Airlines deal was found by Cheapflights users on 6/16. 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 9/305:00 am
IAH
- YTZ
2 stops12h 46m
United Airlines
Mon 10/57:25 pm
YTZ
- IAH
1 stop16h 01m
United Airlines
Deal found 6/16![United Airlines logo]()
$617
This Air Canada deal was found by Cheapflights users on 6/20. 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.
Thu 8/2710:00 am
IAH
- YTZ
1 stop8h 51m
Air Canada
Sat 8/2912:30 pm
YTZ
- IAH
1 stop8h 08m
Air Canada
Deal found 6/20![Air Canada logo]()
$625
This Trip.com deal was found by Cheapflights users on 6/16. 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.
Thu 10/152:50 pm
IAH
- YHM
1 stop25h 25m
WestJet
Sun 10/186:10 pm
YHM
- IAH
1 stop20h 45m
WestJet
Deal found 6/16![WestJet logo]()
$590
This Delta deal was found by Cheapflights users on 6/18. 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 10/107:15 am
IAH
- YUL
1 stop8h 48m
Delta
Tue 10/139:28 am
YUL
- IAH
1 stop13h 10m
Delta
Deal found 6/18![Delta logo]()
$613
This Mytrip deal was found by Cheapflights users on 6/18. 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.
Mon 8/246:30 am
IAH
- YHM
2 stops14h 39m
Multiple Airlines
Wed 8/269:50 am
YHM
- IAH
2 stops29h 05m
Multiple Airlines
Deal found 6/18![Multiple Airlines logo]()
$614
This United Airlines deal was found by Cheapflights users on 6/17. 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.
Tue 7/2110:08 pm
IAH
- YTZ
1 stop10h 59m
United Airlines
Tue 7/2812:15 pm
YTZ
- IAH
1 stop21h 03m
United Airlines
Deal found 6/17![United Airlines logo]()
$625
This Mytrip deal was found by Cheapflights users on 6/17. 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.
Tue 7/216:30 am
IAH
- YKF
1 stop12h 20m
WestJet
Tue 7/288:40 pm
YKF
- IAH
1 stop18h 15m
WestJet
Deal found 6/17![WestJet logo]()
$617
This Delta deal was found by Cheapflights users on 6/17. 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 9/152:38 pm
IAH
- YYZ
2 stops8h 01m
Delta
Fri 9/1812:08 pm
YYZ
- IAH
1 stop6h 37m
Delta
Deal found 6/17![Delta logo]()
$622
This United Airlines deal was found by Cheapflights users on 6/15. 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.
Tue 10/206:15 am
IAH
- YTZ
1 stop9h 27m
United Airlines
Sat 10/247:25 pm
YTZ
- IAH
1 stop16h 08m
United Airlines
Deal found 6/15![United Airlines logo]()
$632
This Mytrip deal was found by Cheapflights users on 6/20. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/276:30 am
IAH
- YKF
1 stop12h 20m
Multiple Airlines
Sat 8/296:05 am
YKF
- IAH
1 stop17h 35m
Multiple Airlines
Deal found 6/20![Multiple Airlines logo]()
$652
This Justfly.com deal was found by Cheapflights users on 6/17. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/286:30 am
IAH
- YKF
1 stop12h 20m
WestJet
Wed 9/28:40 pm
YKF
- IAH
1 stop27h 00m
WestJet
Deal found 6/17![WestJet logo]()
$627
This Delta deal was found by Cheapflights users on 6/17. 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 7/115:17 pm
HOU
- YYZ
1 stop5h 41m
Delta
Fri 7/176:00 am
YYZ
- HOU
1 stop7h 10m
Delta
Deal found 6/17![Delta logo]()
$642
This United Airlines deal was found by Cheapflights users on 6/20. 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.
Wed 7/295:04 am
IAH
- YTZ
1 stop10h 38m
United Airlines
Wed 8/512:15 pm
YTZ
- IAH
1 stop9h 35m
United Airlines
Deal found 6/20![United Airlines logo]()
$660
This Mytrip deal was found by Cheapflights users on 6/19. 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.
Sun 7/195:25 pm
IAH
- YKF
2 stops25h 25m
Multiple Airlines
Sat 7/258:40 pm
YKF
- IAH
1 stop18h 15m
Multiple Airlines
Deal found 6/19![Multiple Airlines logo]()
$670
This Delta deal was found by Cheapflights users on 6/16. 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 7/310:09 am
HOU
- YYZ
2 stops12h 05m
Delta
Tue 7/77:45 am
YYZ
- HOU
1 stop5h 25m
Delta
Deal found 6/16![Delta logo]()
$652
This flugladen.de deal was found by Cheapflights users on 6/16. 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 flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/206:30 am
IAH
- YKF
1 stop12h 20m
WestJet
Tue 7/288:40 pm
YKF
- IAH
1 stop18h 15m
WestJet
Deal found 6/16![WestJet logo]()
$655
This United Airlines deal was found by Cheapflights users on 6/17. 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 8/106:10 am
IAH
- YTZ
1 stop9h 32m
United Airlines
Wed 8/122:20 pm
YTZ
- IAH
1 stop10h 05m
United Airlines
Deal found 6/17![United Airlines logo]()
$662
This United deal was found by Cheapflights users on 6/16. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/126:15 am
IAH
- YYZ
1 stop11h 15m
Multiple Airlines
Wed 8/198:20 am
YYZ
- IAH
Nonstop3h 30m
Multiple Airlines
Deal found 6/16![Multiple Airlines logo]()
$671
This Delta deal was found by Cheapflights users on 6/17. 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 7/410:52 am
IAH
- YYZ
2 stops11h 10m
Delta
Wed 7/1510:00 am
YYZ
- IAH
2 stops9h 52m
Delta
Deal found 6/17![Delta logo]()
$657
This United Airlines deal was found by Cheapflights users on 6/15. 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 8/178:35 pm
IAH
- YUL
1 stop14h 25m
United Airlines
Tue 8/183:30 pm
YUL
- IAH
2 stops26h 47m
United Airlines
Deal found 6/15![United Airlines logo]()
$668
This Mytrip deal was found by Cheapflights users on 6/16. 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.
Fri 9/42:50 pm
IAH
- YKF
1 stop13h 30m
Multiple Airlines
Mon 9/76:05 am
YKF
- IAH
1 stop17h 35m
Multiple Airlines
Deal found 6/16![Multiple Airlines logo]()
$689
This FlightHub deal was found by Cheapflights users on 6/16. 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.
Thu 7/162:50 pm
IAH
- YKF
1 stop28h 00m
WestJet
Thu 7/238:40 pm
YKF
- IAH
1 stop18h 15m
WestJet
Deal found 6/16![WestJet logo]()
$711
This Delta deal was found by Cheapflights users on 6/17. 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 7/410:16 am
HOU
- YYZ
2 stops11h 46m
Delta
Wed 7/156:10 am
YYZ
- HOU
2 stops7h 00m
Delta
Deal found 6/17![Delta logo]()
$657
This United Airlines deal was found by Cheapflights users on 6/18. 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 7/295:04 am
IAH
- YYZ
1 stop11h 52m
United Airlines
Sat 8/18:45 am
YYZ
- IAH
1 stop15h 14m
United Airlines
Deal found 6/18![United Airlines logo]()
$669
This Mytrip deal was found by Cheapflights users on 6/19. 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 8/132:50 pm
IAH
- YKF
2 stops13h 35m
Multiple Airlines
Sun 8/166:10 am
YKF
- IAH
2 stops17h 30m
Multiple Airlines
Deal found 6/19![Multiple Airlines logo]()
$697
This Justfly.com deal was found by Cheapflights users on 6/16. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/46:30 am
IAH
- YKF
1 stop12h 20m
WestJet
Mon 9/78:40 pm
YKF
- IAH
1 stop18h 15m
WestJet
Deal found 6/16![WestJet logo]()
$711
This Delta deal was found by Cheapflights users on 6/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/249:41 am
IAH
- YYZ
2 stops13h 03m
Delta
Thu 7/306:00 am
YYZ
- IAH
1 stop16h 44m
Delta
Deal found 6/20![Delta logo]()
$670
Last-minute flights from Houston to OntarioDiscover last-minute flight deals from Houston to Ontario. Data last updated June 20, 2026 and is based on user searches.
Discover last-minute flight deals from Houston to Ontario. Data last updated June 20, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 6/17. 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 7/68:20 am
IAH
- YYZ
1 stop11h 35m
Multiple Airlines
Tue 7/146:30 am
YYZ
- IAH
1 stop9h 20m
Multiple Airlines
Deal found 6/17![Multiple Airlines logo]()
$356
This Kiwi.com deal was found by Cheapflights users on 6/17. 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 7/76:30 am
IAH
- YYZ
2 stops15h 15m
Multiple Airlines
Tue 7/146:30 am
YYZ
- IAH
1 stop9h 20m
Multiple Airlines
Deal found 6/17![Multiple Airlines logo]()
$365
This Kiwi.com deal was found by Cheapflights users on 6/17. 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 7/108:20 am
IAH
- YYZ
1 stop28h 45m
Multiple Airlines
Tue 7/146:30 am
YYZ
- IAH
1 stop9h 20m
Multiple Airlines
Deal found 6/17![Multiple Airlines logo]()
$334
This Kiwi.com deal was found by Cheapflights users on 6/18. 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 7/108:02 pm
IAH
- YYZ
2 stops17h 03m
Multiple Airlines
Mon 7/131:30 pm
YYZ
- IAH
1 stop26h 20m
Multiple Airlines
Deal found 6/18![Multiple Airlines logo]()
$364
This Kiwi.com deal was found by Cheapflights users on 6/18. 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 7/118:20 am
IAH
- YYZ
1 stop29h 40m
Multiple Airlines
Tue 7/146:30 am
YYZ
- IAH
1 stop9h 20m
Multiple Airlines
Deal found 6/18![Multiple Airlines logo]()
$336
This Kiwi.com deal was found by Cheapflights users on 6/17. 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 7/149:58 pm
IAH
- YTZ
1 stop14h 07m
Multiple Airlines
Wed 7/228:50 am
YTZ
- IAH
1 stop13h 13m
Multiple Airlines
Deal found 6/17![Multiple Airlines logo]()
$360
This Kiwi.com deal was found by Cheapflights users on 6/18. 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 7/149:58 pm
IAH
- YTZ
1 stop14h 07m
Multiple Airlines
Tue 7/211:40 pm
YTZ
- IAH
2 stops18h 40m
Multiple Airlines
Deal found 6/18![Multiple Airlines logo]()
$364
This Kiwi.com deal was found by Cheapflights users on 6/17. 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 7/149:58 pm
IAH
- YTZ
1 stop14h 07m
Multiple Airlines
Mon 7/208:50 am
YTZ
- IAH
1 stop13h 13m
Multiple Airlines
Deal found 6/17![Multiple Airlines logo]()
$380
This Kiwi.com deal was found by Cheapflights users on 6/18. 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 7/217:23 pm
IAH
- YYZ
1 stop23h 42m
Multiple Airlines
Tue 7/286:30 am
YYZ
- IAH
1 stop9h 20m
Multiple Airlines
Deal found 6/18![Multiple Airlines logo]()
$353
This Kiwi.com deal was found by Cheapflights users on 6/20. 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.
Sat 7/258:20 am
IAH
- YYZ
1 stop29h 40m
Multiple Airlines
Tue 8/410:00 am
YYZ
- IAH
2 stops27h 22m
Multiple Airlines
Deal found 6/20![Multiple Airlines logo]()
$354
This Kiwi.com deal was found by Cheapflights users on 6/20. 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.
Sat 7/258:20 am
IAH
- YYZ
1 stop29h 40m
Multiple Airlines
Sat 8/156:30 am
YYZ
- IAH
1 stop9h 35m
Multiple Airlines
Deal found 6/20![Multiple Airlines logo]()
$368
This Kiwi.com deal was found by Cheapflights users on 6/20. 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 7/289:58 pm
IAH
- YTZ
1 stop14h 07m
Multiple Airlines
Wed 8/58:50 am
YTZ
- IAH
1 stop12h 57m
Multiple Airlines
Deal found 6/20![Multiple Airlines logo]()
$371
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 June 20, 2026.
Search for one-way flight options from Houston to Ontario. Find affordable one-way fares based on user searches. Data last updated June 20, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/16. 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 9/108:36 am
IAH
- YUL
2 stops14h 49m
Multiple Airlines
Deal found 6/16![Multiple Airlines logo]()
$197
This Kiwi.com deal was found by Cheapflights users on 6/19. 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 10/158:36 am
IAH
- YUL
2 stops14h 49m
Multiple Airlines
Deal found 6/19![Multiple Airlines logo]()
$200
This Kiwi.com deal was found by Cheapflights users on 6/19. 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 10/66:42 pm
IAH
- YUL
2 stops24h 28m
Multiple Airlines
Deal found 6/19![Multiple Airlines logo]()
$201
This Kiwi.com deal was found by Cheapflights users on 6/20. 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 8/117:23 pm
IAH
- YUL
3 stops23h 47m
Multiple Airlines
Deal found 6/20![Multiple Airlines logo]()
$202
This Kiwi.com deal was found by Cheapflights users on 6/18. 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 9/266:42 pm
IAH
- YUL
2 stops22h 28m
Multiple Airlines
Deal found 6/18![Multiple Airlines logo]()
$204
This Kiwi.com deal was found by Cheapflights users on 6/17. 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 7/148:02 pm
IAH
- YUL
2 stops21h 13m
Multiple Airlines
Deal found 6/17![Multiple Airlines logo]()
$206
This Kiwi.com deal was found by Cheapflights users on 6/16. 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 7/78:02 pm
IAH
- YUL
2 stops21h 13m
Multiple Airlines
Deal found 6/16![Multiple Airlines logo]()
$213
This Kiwi.com deal was found by Cheapflights users on 6/16. 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 7/178:02 pm
IAH
- YUL
3 stops21h 08m
Multiple Airlines
Deal found 6/16![Multiple Airlines logo]()
$216
This Kiwi.com deal was found by Cheapflights users on 6/17. 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 7/318:02 pm
IAH
- YUL
3 stops21h 08m
Multiple Airlines
Deal found 6/17![Multiple Airlines logo]()
$217
This Kiwi.com deal was found by Cheapflights users on 6/16. 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 7/810:53 am
IAH
- YUL
3 stops24h 17m
Multiple Airlines
Deal found 6/16![Multiple Airlines logo]()
$219
This oojo deal was found by Cheapflights users on 6/17. 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 7/216:30 am
IAH
- YHM
1 stop9h 45m
WestJet
Deal found 6/17![WestJet logo]()
$229
This Kiwi.com deal was found by Cheapflights users on 6/18. 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 7/78:02 pm
IAH
- YTZ
2 stops44h 23m
Multiple Airlines
Deal found 6/18![Multiple Airlines logo]()
$231
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 June 20, 2026.
Round-trip from | $321 (Kiwi.com) |
|---|---|
One-way from | $197 (Kiwi.com) |
Popular in | February |
Cheapest in | September |
Average price | $632 |
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 June 20, 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
Cheapest round-trip
HoustonToronto
IAH - YTZ
IAHYTZ
Houston George Bush Intcntl
Fri 9/4
9:52 pm-9:40 am
1 stop10h 48m
Toronto Island
Mon 9/7
8:40 pm-8:57 pm
1 stop25h 17m
$448
HoustonToronto
IAH - YKF
IAHYKF
Houston George Bush Intcntl
Mon 8/10
6:30 am-7:50 pm
1 stop12h 20m
Toronto Region of Waterloo Intl
Wed 8/12
8:40 pm-1:55 pm
1 stop18h 15m
$566
HoustonHamilton
IAH - YHM
IAHYHM
Houston George Bush Intcntl
Thu 10/15
2:50 pm-5:15 pm
1 stop25h 25m
Hamilton
Sun 10/18
6:10 pm-1:55 pm
1 stop20h 45m
$590
HoustonMontreal
IAH - YUL
IAHYUL
Houston George Bush Intcntl
Sat 7/11
4:00 pm-8:32 am
1 stop15h 32m
Montreal Pierre Elliott Trudeau Intl
Tue 7/14
7:44 pm-9:49 am
1 stop15h 05m
$603
HoustonMontreal
IAH - YUL
IAHYUL
Houston George Bush Intcntl
Sat 10/10
7:15 am-5:03 pm
1 stop8h 48m
Montreal Pierre Elliott Trudeau Intl
Tue 10/13
9:28 am-9:38 pm
1 stop13h 10m
$613
HoustonHamilton
IAH - YHM
IAHYHM
Houston George Bush Intcntl
Mon 8/24
6:30 am-10:09 pm
2 stops14h 39m
Hamilton
Wed 8/26
9:50 am-1:55 pm
2 stops29h 05m
$614
HoustonToronto
IAH - YTZ
IAHYTZ
Houston George Bush Intcntl
Wed 9/30
5:00 am-6:46 pm
2 stops12h 46m
Toronto Island
Mon 10/5
7:25 pm-10:26 am
1 stop16h 01m
$617
HoustonToronto
IAH - YKF
IAHYKF
Houston George Bush Intcntl
Tue 7/21
6:30 am-7:50 pm
1 stop12h 20m
Toronto Region of Waterloo Intl
Tue 7/28
8:40 pm-1:55 pm
1 stop18h 15m
$617
HoustonToronto
IAH - YYZ
IAHYYZ
Houston George Bush Intcntl
Tue 9/15
2:38 pm-11:39 pm
2 stops8h 01m
Toronto Pearson Intl
Fri 9/18
12:08 pm-5:45 pm
1 stop6h 37m
$622
HoustonToronto
IAH - YTZ
IAHYTZ
Houston George Bush Intcntl
Thu 8/27
10:00 am-7:51 pm
1 stop8h 51m
Toronto Island
Sat 8/29
12:30 pm-7:38 pm
1 stop8h 08m
$625
Showing 1-10 of 60 resultsSorted by cheapest first
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-YYZ
IAH-YTZ
IAH-YUL
IAH-YHM
IAH-YKF
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-YYZ
IAH-YTZ
IAH-YUL
IAH-YHM
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 October is currently the most expensive (average of $266). 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 June 20, 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?
How far ahead should I book a flight from Houston to Region of Ontario?
Booking 88 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.
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 June 20, 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.
Overall
7.8
Entertainment
7.8
Food
7.2
Comfort
7.8
Boarding
8.1
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Overall
7.8
Entertainment
7.8
Food
7.2
Comfort
7.8
Boarding
8.1
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Overall
7.8
Entertainment
7.8
Food
7.2
Comfort
7.8
Boarding
8.1
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Overall
7.8
Entertainment
7.8
Food
7.2
Comfort
7.8
Boarding
8.1
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Overall
7.8
Entertainment
7.8
Food
7.2
Comfort
7.8
Boarding
8.1
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Overall
7.8
Entertainment
7.8
Food
7.2
Comfort
7.8
Boarding
8.1
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
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.
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
Complete your trip
Flights by cabin class
Other flight options
Popular flights
Top destinations
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 June 20, 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 June 20, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$118 | Average$294 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$236 | Average$552 | FlexibilityNo cancel fee | On-time60% | |
| Cheapest$266 | Average$687 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$291 | Average$809 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$315 | Average$513 | FlexibilityNo cancel fee | On-time71% |