$175+ 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 9/25. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — YYZ
Aug 28 — Sep 41
Round-trip
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 July 29, 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 July 29, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/178:16 am
IAH
- YYZ
1 stop28h 49m
Multiple Airlines
Tue 8/256:30 am
YYZ
- IAH
1 stop9h 54m
Multiple Airlines
Deal found 7/27![Multiple Airlines logo]()
$284
This Kiwi.com deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/248:35 am
IAH
- YYZ
1 stop28h 30m
Multiple Airlines
Mon 8/311:30 pm
YYZ
- IAH
1 stop26h 54m
Multiple Airlines
Deal found 7/27![Multiple Airlines logo]()
$294
This Kiwi.com deal was found by Cheapflights users on 7/26. 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 11/58:36 am
IAH
- YYZ
1 stop29h 44m
Multiple Airlines
Tue 11/107:15 am
YYZ
- IAH
1 stop9h 29m
Multiple Airlines
Deal found 7/26![Multiple Airlines logo]()
$300
This Kiwi.com deal was found by Cheapflights users on 7/26. 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 10/18:25 am
IAH
- YYZ
1 stop11h 30m
Multiple Airlines
Mon 10/51:50 pm
YYZ
- IAH
2 stops32h 24m
Multiple Airlines
Deal found 7/26![Multiple Airlines logo]()
$302
This Kiwi.com deal was found by Cheapflights users on 7/26. 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 8/178:16 am
IAH
- YYZ
1 stop28h 49m
Multiple Airlines
Thu 9/36:30 am
YYZ
- IAH
1 stop9h 54m
Multiple Airlines
Deal found 7/26![Multiple Airlines logo]()
$306
This Kiwi.com deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/178:25 am
IAH
- YYZ
1 stop11h 30m
Multiple Airlines
Sat 9/196:30 am
YYZ
- IAH
1 stop9h 47m
Multiple Airlines
Deal found 7/28![Multiple Airlines logo]()
$309
This Kiwi.com deal was found by Cheapflights users on 7/26. 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 9/98:25 am
IAH
- YYZ
1 stop28h 40m
Multiple Airlines
Wed 9/167:45 am
YYZ
- IAH
1 stop8h 28m
Multiple Airlines
Deal found 7/26![Multiple Airlines logo]()
$311
This Kiwi.com deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/264:32 pm
IAH
- YYZ
2 stops20h 33m
Multiple Airlines
Wed 9/29:30 am
YYZ
- IAH
1 stop30h 54m
Multiple Airlines
Deal found 7/27![Multiple Airlines logo]()
$312
This Kiwi.com deal was found by Cheapflights users on 7/24. 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.
Tue 9/112:53 pm
IAH
- YTZ
1 stop24h 32m
Multiple Airlines
Tue 9/81:45 pm
YTZ
- IAH
1 stop21h 45m
Multiple Airlines
Deal found 7/24![Multiple Airlines logo]()
$316
This Kiwi.com deal was found by Cheapflights users on 7/25. 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 9/116:42 pm
IAH
- YTZ
1 stop18h 43m
Multiple Airlines
Wed 9/161:45 pm
YTZ
- IAH
1 stop29h 10m
Multiple Airlines
Deal found 7/25![Multiple Airlines logo]()
$336
This Kiwi.com deal was found by Cheapflights users on 7/24. 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 8/319:58 pm
IAH
- YTZ
1 stop19h 02m
Multiple Airlines
Sun 9/61:40 pm
YTZ
- IAH
2 stops42h 40m
Multiple Airlines
Deal found 7/24![Multiple Airlines logo]()
$342
This Kiwi.com deal was found by Cheapflights users on 7/25. 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 8/194:19 pm
IAH
- YTZ
1 stop19h 36m
Multiple Airlines
Wed 8/261:40 pm
YTZ
- IAH
1 stop27h 07m
Multiple Airlines
Deal found 7/25![Multiple Airlines logo]()
$363
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 July 29, 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 July 29, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/25. 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 9/116:42 pm
IAH
- YTZ
1 stop18h 43m
Multiple Airlines
Wed 9/161:45 pm
YTZ
- IAH
1 stop29h 10m
Multiple Airlines
Deal found 7/25![Multiple Airlines logo]()
$336
This Trip.com deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/166:30 am
IAH
- YKF
1 stop12h 20m
WestJet
Mon 10/198:40 pm
YKF
- IAH
1 stop18h 15m
WestJet
Deal found 7/27![WestJet logo]()
$392
This Gotogate deal was found by Cheapflights users on 7/25. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/2410:00 am
IAH
- YTZ
1 stop8h 51m
Air Canada
Sun 8/3012:30 pm
YTZ
- IAH
1 stop8h 08m
Air Canada
Deal found 7/25![Air Canada logo]()
$480
This Delta deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/22:44 pm
IAH
- YYZ
1 stop8h 15m
Delta
Mon 10/126:10 pm
YYZ
- IAH
1 stop4h 59m
Delta
Deal found 7/28![Delta logo]()
$560
This United Airlines deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/207:20 am
IAH
- YYZ
1 stop5h 43m
United Airlines
Sat 1/27:26 pm
YYZ
- IAH
1 stop5h 54m
United Airlines
Deal found 7/27![United Airlines logo]()
$623
This Kiwi.com deal was found by Cheapflights users on 7/24. 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 10/84:16 pm
IAH
- YTZ
1 stop24h 04m
Multiple Airlines
Tue 10/139:15 am
YTZ
- IAH
1 stop11h 34m
Multiple Airlines
Deal found 7/24![Multiple Airlines logo]()
$390
This Kiwi.com deal was found by Cheapflights users on 7/24. 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 8/1312:16 pm
IAH
- YTZ
2 stops28h 04m
Multiple Airlines
Mon 8/171:40 pm
YTZ
- IAH
1 stop27h 07m
Multiple Airlines
Deal found 7/24![Multiple Airlines logo]()
$392
This FlightHub deal was found by Cheapflights users on 7/26. 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 9/232:50 pm
IAH
- YKF
1 stop28h 00m
WestJet
Mon 9/288:40 pm
YKF
- IAH
1 stop18h 15m
WestJet
Deal found 7/26![WestJet logo]()
$432
This FlightHub deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/26:30 am
IAH
- YKF
1 stop12h 20m
WestJet
Mon 10/58:40 pm
YKF
- IAH
1 stop18h 15m
WestJet
Deal found 7/27![WestJet logo]()
$442
This Air Canada deal was found by Cheapflights users on 7/26. 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.
Mon 8/1710:00 am
IAH
- YTZ
1 stop6h 51m
Air Canada
Sun 8/2312:30 pm
YTZ
- IAH
1 stop8h 08m
Air Canada
Deal found 7/26![Air Canada logo]()
$543
This Delta deal was found by Cheapflights users on 7/24. 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.
Mon 8/241:13 pm
HOU
- YYZ
1 stop7h 46m
Delta
Sat 8/2911:40 am
YYZ
- HOU
1 stop5h 45m
Delta
Deal found 7/24![Delta logo]()
$560
This deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2710:00 am
IAH
- YTZ
1 stop6h 51m
Air Canada
Mon 8/3112:30 pm
YTZ
- IAH
1 stop8h 08m
Air Canada
Deal found 7/27![Air Canada logo]()
$543
This Delta deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/172:25 pm
HOU
- YYZ
1 stop6h 34m
Delta
Sat 9/196:34 pm
YYZ
- HOU
1 stop5h 05m
Delta
Deal found 7/28![Delta logo]()
$560
This oojo deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/32:50 pm
IAH
- YHM
1 stop25h 25m
WestJet
Fri 10/96:10 pm
YHM
- IAH
1 stop20h 45m
WestJet
Deal found 7/28![WestJet logo]()
$519
This Kiwi.com deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/54:19 pm
IAH
- YTZ
1 stop19h 36m
Multiple Airlines
Mon 9/710:10 am
YTZ
- IAH
1 stop11h 53m
Multiple Airlines
Deal found 7/28![Multiple Airlines logo]()
$528
This United Airlines deal was found by Cheapflights users on 7/25. 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 12/305:15 am
IAH
- YYZ
1 stop8h 47m
United Airlines
Sun 1/38:35 am
YYZ
- IAH
1 stop5h 57m
United Airlines
Deal found 7/25![United Airlines logo]()
$642
This Air Canada deal was found by Cheapflights users on 7/26. 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.
Mon 8/1710:00 am
IAH
- YTZ
2 stops10h 30m
Air Canada
Tue 8/2510:20 am
YTZ
- IAH
2 stops10h 18m
Air Canada
Deal found 7/26![Air Canada logo]()
$554
This Delta deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/92:25 pm
HOU
- YYZ
1 stop6h 34m
Delta
Wed 9/1611:38 am
YYZ
- HOU
1 stop5h 52m
Delta
Deal found 7/27![Delta logo]()
$560
This FlightHub deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/242:50 pm
IAH
- YKF
1 stop28h 00m
WestJet
Mon 9/288:40 pm
YKF
- IAH
1 stop18h 15m
WestJet
Deal found 7/28![WestJet logo]()
$532
This United Airlines deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/216:20 am
IAH
- YYZ
1 stop9h 27m
United Airlines
Sun 11/294:10 pm
YYZ
- IAH
1 stop17h 23m
United Airlines
Deal found 7/27![United Airlines logo]()
$655
This Delta deal was found by Cheapflights users on 7/24. 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 10/82:59 pm
HOU
- YYZ
1 stop8h 00m
Delta
Tue 10/136:15 am
YYZ
- HOU
1 stop8h 49m
Delta
Deal found 7/24![Delta logo]()
$560
This Mytrip deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/286:30 am
IAH
- YHM
1 stop10h 38m
Multiple Airlines
Thu 9/36:05 am
YHM
- IAH
2 stops17h 35m
Multiple Airlines
Deal found 7/27![Multiple Airlines logo]()
$563
This Gotogate deal was found by Cheapflights users on 7/24. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/2311:45 am
IAH
- YUL
1 stop6h 07m
Air Canada
Sat 8/295:00 am
YUL
- IAH
1 stop6h 50m
Air Canada
Deal found 7/24![Air Canada logo]()
$583
This United Airlines deal was found by Cheapflights users on 7/26. 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 9/1010:19 pm
IAH
- YTZ
2 stops19h 32m
United Airlines
Sun 9/137:35 pm
YTZ
- IAH
1 stop28h 10m
United Airlines
Deal found 7/26![United Airlines logo]()
$656
This FlightHub deal was found by Cheapflights users on 7/24. 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 9/92:50 pm
IAH
- YKF
1 stop28h 00m
WestJet
Mon 9/148:40 pm
YKF
- IAH
1 stop18h 15m
WestJet
Deal found 7/24![WestJet logo]()
$549
This Delta deal was found by Cheapflights users on 7/26. 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 8/2010:50 am
HOU
- YYZ
1 stop5h 29m
Delta
Wed 8/266:00 am
YYZ
- HOU
1 stop7h 16m
Delta
Deal found 7/26![Delta logo]()
$560
This Mytrip deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure 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
Thu 9/36:05 am
YKF
- IAH
1 stop17h 35m
Multiple Airlines
Deal found 7/28![Multiple Airlines logo]()
$564
This United Airlines deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/511:45 am
IAH
- YYZ
Nonstop3h 15m
United Airlines
Mon 9/78:20 am
YYZ
- IAH
Nonstop3h 30m
United Airlines
Deal found 7/28![United Airlines logo]()
$675
This Mytrip deal was found by Cheapflights users on 7/25. 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 9/116:30 am
IAH
- YKF
1 stop12h 20m
WestJet
Wed 9/168:40 pm
YKF
- IAH
1 stop18h 15m
WestJet
Deal found 7/25![WestJet logo]()
$558
This Delta deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/243:15 pm
IAH
- YYZ
1 stop6h 48m
Delta
Sat 8/291:38 pm
YYZ
- IAH
2 stops9h 41m
Delta
Deal found 7/27![Delta logo]()
$570
Last-minute flights from Houston to OntarioDiscover last-minute flight deals from Houston to Ontario. Data last updated July 29, 2026 and is based on user searches.
Discover last-minute flight deals from Houston to Ontario. Data last updated July 29, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 7/24. 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 8/1312:16 pm
IAH
- YTZ
2 stops28h 04m
Multiple Airlines
Mon 8/171:40 pm
YTZ
- IAH
1 stop27h 07m
Multiple Airlines
Deal found 7/24![Multiple Airlines logo]()
$392
This Kiwi.com deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/178:16 am
IAH
- YYZ
1 stop28h 49m
Multiple Airlines
Tue 8/256:30 am
YYZ
- IAH
1 stop9h 54m
Multiple Airlines
Deal found 7/27![Multiple Airlines logo]()
$284
This Kiwi.com deal was found by Cheapflights users on 7/26. 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 8/178:16 am
IAH
- YYZ
1 stop28h 49m
Multiple Airlines
Thu 9/36:30 am
YYZ
- IAH
1 stop9h 54m
Multiple Airlines
Deal found 7/26![Multiple Airlines logo]()
$306
This Kiwi.com deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/184:19 pm
IAH
- YTZ
1 stop24h 01m
Multiple Airlines
Thu 8/208:55 am
YTZ
- IAH
1 stop13h 08m
Multiple Airlines
Deal found 7/29![Multiple Airlines logo]()
$381
This Kiwi.com deal was found by Cheapflights users on 7/25. 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 8/198:35 am
IAH
- YYZ
1 stop28h 30m
Multiple Airlines
Wed 8/269:30 am
YYZ
- IAH
1 stop30h 54m
Multiple Airlines
Deal found 7/25![Multiple Airlines logo]()
$325
This Kiwi.com deal was found by Cheapflights users on 7/25. 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 8/194:19 pm
IAH
- YTZ
1 stop19h 36m
Multiple Airlines
Wed 8/261:40 pm
YTZ
- IAH
1 stop27h 07m
Multiple Airlines
Deal found 7/25![Multiple Airlines logo]()
$363
This Kiwi.com deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/194:19 pm
IAH
- YTZ
1 stop19h 36m
Multiple Airlines
Mon 8/241:40 pm
YTZ
- IAH
2 stops18h 40m
Multiple Airlines
Deal found 7/28![Multiple Airlines logo]()
$393
This Kiwi.com deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/248:35 am
IAH
- YYZ
1 stop28h 30m
Multiple Airlines
Mon 8/311:30 pm
YYZ
- IAH
1 stop26h 54m
Multiple Airlines
Deal found 7/27![Multiple Airlines logo]()
$294
This Kiwi.com deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/249:58 pm
IAH
- YTZ
1 stop14h 07m
Multiple Airlines
Fri 8/281:45 pm
YTZ
- IAH
1 stop23h 11m
Multiple Airlines
Deal found 7/28![Multiple Airlines logo]()
$394
This Kiwi.com deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/264:32 pm
IAH
- YYZ
2 stops20h 33m
Multiple Airlines
Wed 9/29:30 am
YYZ
- IAH
1 stop30h 54m
Multiple Airlines
Deal found 7/27![Multiple Airlines logo]()
$312
This Kiwi.com deal was found by Cheapflights users on 7/24. 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 8/319:58 pm
IAH
- YTZ
1 stop19h 02m
Multiple Airlines
Sun 9/61:40 pm
YTZ
- IAH
2 stops42h 40m
Multiple Airlines
Deal found 7/24![Multiple Airlines logo]()
$342
This Kiwi.com deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/319:58 pm
IAH
- YTZ
1 stop15h 27m
Multiple Airlines
Fri 9/41:40 pm
YTZ
- IAH
2 stops33h 34m
Multiple Airlines
Deal found 7/28![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 July 29, 2026.
Search for one-way flight options from Houston to Ontario. Find affordable one-way fares based on user searches. Data last updated July 29, 2026.
This FlightHub deal was found by Cheapflights users on 7/26. 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.
Fri 9/256:30 am
IAH
- YHM
1 stop9h 45m
WestJet
Deal found 7/26![WestJet logo]()
$175
This Kiwi.com deal was found by Cheapflights users on 7/25. 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 10/205:09 pm
IAH
- YUL
2 stops30h 16m
Multiple Airlines
Deal found 7/25![Multiple Airlines logo]()
$191
This Kiwi.com deal was found by Cheapflights users on 7/25. 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 9/239:04 pm
IAH
- YUL
3 stops26h 21m
Multiple Airlines
Deal found 7/25![Multiple Airlines logo]()
$195
This oojo deal was found by Cheapflights users on 7/25. 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.
Wed 10/72:50 pm
IAH
- YHM
1 stop25h 25m
WestJet
Deal found 7/25![WestJet logo]()
$199
This Kiwi.com deal was found by Cheapflights users on 7/26. 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 9/2211:25 am
IAH
- YUL
2 stops29h 47m
Multiple Airlines
Deal found 7/26![Multiple Airlines logo]()
$203
This FlightHub deal was found by Cheapflights users on 7/25. 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.
Tue 10/62:50 pm
IAH
- YHM
1 stop25h 25m
WestJet
Deal found 7/25![WestJet logo]()
$204
This Kiwi.com deal was found by Cheapflights users on 7/26. 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 9/248:25 am
IAH
- YUL
2 stops15h 00m
Multiple Airlines
Deal found 7/26![Multiple Airlines logo]()
$212
This oojo deal was found by Cheapflights users on 7/24. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/32:50 pm
IAH
- YHM
1 stop25h 25m
WestJet
Deal found 7/24![WestJet logo]()
$216
This Kiwi.com deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/26:42 pm
IAH
- YUL
2 stops23h 23m
Multiple Airlines
Deal found 7/28![Multiple Airlines logo]()
$217
This Mytrip deal was found by Cheapflights users on 7/26. 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 9/256:30 am
IAH
- YHM
2 stops14h 55m
Multiple Airlines
Deal found 7/26![Multiple Airlines logo]()
$235
This Mytrip deal was found by Cheapflights users on 7/25. 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.
Wed 9/232:50 pm
IAH
- YUL
1 stop15h 15m
WestJet
Deal found 7/25![WestJet logo]()
$243
This oojo deal was found by Cheapflights users on 7/24. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/36:20 pm
IAH
- YHM
1 stop20h 57m
WestJet
Deal found 7/24![WestJet logo]()
$243
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 July 29, 2026.
Round-trip from | $284 (Kiwi.com) |
|---|---|
One-way from | $175 (FlightHub) |
Popular in | February |
Cheapest in | September |
Average price | $644 |
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 July 29, 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 9/11
6:42 pm-2:25 pm
1 stop18h 43m
Toronto Island
Wed 9/16
1:45 pm-5:55 pm
1 stop29h 10m
$336
HoustonToronto
IAH - YTZ
IAHYTZ
Houston George Bush Intcntl
Thu 10/8
4:16 pm-5:20 pm
1 stop24h 04m
Toronto Island
Tue 10/13
9:15 am-7:49 pm
1 stop11h 34m
$390
HoustonToronto
IAH - YKF
IAHYKF
Houston George Bush Intcntl
Fri 10/16
6:30 am-7:50 pm
1 stop12h 20m
Toronto Region of Waterloo Intl
Mon 10/19
8:40 pm-1:55 pm
1 stop18h 15m
$392
HoustonToronto
IAH - YTZ
IAHYTZ
Houston George Bush Intcntl
Thu 8/13
12:16 pm-5:20 pm
2 stops28h 04m
Toronto Island
Mon 8/17
1:40 pm-3:47 pm
1 stop27h 07m
$392
HoustonToronto
IAH - YKF
IAHYKF
Houston George Bush Intcntl
Wed 9/23
2:50 pm-7:50 pm
1 stop28h 00m
Toronto Region of Waterloo Intl
Mon 9/28
8:40 pm-1:55 pm
1 stop18h 15m
$432
HoustonToronto
IAH - YKF
IAHYKF
Houston George Bush Intcntl
Fri 10/2
6:30 am-7:50 pm
1 stop12h 20m
Toronto Region of Waterloo Intl
Mon 10/5
8:40 pm-1:55 pm
1 stop18h 15m
$442
HoustonToronto
IAH - YTZ
IAHYTZ
Houston George Bush Intcntl
Mon 8/24
10:00 am-7:51 pm
1 stop8h 51m
Toronto Island
Sun 8/30
12:30 pm-7:38 pm
1 stop8h 08m
$480
HoustonHamilton
IAH - YHM
IAHYHM
Houston George Bush Intcntl
Sat 10/3
2:50 pm-5:15 pm
1 stop25h 25m
Hamilton
Fri 10/9
6:10 pm-1:55 pm
1 stop20h 45m
$519
HoustonToronto
IAH - YTZ
IAHYTZ
Houston George Bush Intcntl
Sat 9/5
4:19 pm-12:55 pm
1 stop19h 36m
Toronto Island
Mon 9/7
10:10 am-9:03 pm
1 stop11h 53m
$528
HoustonToronto
IAH - YKF
IAHYKF
Houston George Bush Intcntl
Thu 9/24
2:50 pm-7:50 pm
1 stop28h 00m
Toronto Region of Waterloo Intl
Mon 9/28
8:40 pm-1:55 pm
1 stop18h 15m
$532
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-YTZ
IAH-YKF
IAH-YYZ
HOU-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-YYZ
HOU-YYZ
What is the cheapest month to book a flight from Houston to Region of Ontario?
Currently, September is the cheapest month in which you can book a flight from Houston to Region of Ontario (average of $556). Flying from Houston to Region of Ontario in February is currently the most expensive (average of $759). 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 July 29, 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?
Airfare is below average for this route at the moment.
Houston to Region of Ontario flights typically cost between $594 and $1,050 in August.The cheapest round-trip price found within the last 5 days was $284 on Multiple Airlines (Aug 17-Aug 25).
How far ahead should I book a flight from Houston to Region of Ontario?
Booking 85 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 July 29, 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.
Boarding
8.1
Comfort
7.8
Entertainment
7.8
Crew
8.5
Overall
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentStacey-Ann,Aug 2023
IAH - ATL
Boarding
8.1
Comfort
7.8
Entertainment
7.8
Crew
8.5
Overall
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentStacey-Ann,Aug 2023
IAH - ATL
Boarding
8.1
Comfort
7.8
Entertainment
7.8
Crew
8.5
Overall
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentStacey-Ann,Aug 2023
IAH - ATL
Boarding
8.1
Comfort
7.8
Entertainment
7.8
Crew
8.5
Overall
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentStacey-Ann,Aug 2023
IAH - ATL
Boarding
8.1
Comfort
7.8
Entertainment
7.8
Crew
8.5
Overall
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentStacey-Ann,Aug 2023
IAH - ATL
Boarding
8.1
Comfort
7.8
Entertainment
7.8
Crew
8.5
Overall
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentStacey-Ann,Aug 2023
IAH - 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
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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 July 29, 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 July 29, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$236 | Average$552 | FlexibilityNo cancel fee | On-time60% | |
| Cheapest$262 | Average$299 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$266 | Average$690 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$291 | Average$810 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$315 | Average$511 | FlexibilityNo cancel fee | On-time71% |