$119+ 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 6/16. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — YYZ
jun. 1 — jun. 81
Round-trip
1 adult, Economy
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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 mayo 2, 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 mayo 2, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/30. 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.
mié. 8/268:29 am
IAH
- YYZ
1 stop28h 36m
Multiple Airlines
mié. 9/27:45 am
YYZ
- IAH
1 stop11h 24m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$288
This Kiwi.com deal was found by Cheapflights users on 4/28. 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.
lun. 6/88:29 am
IAH
- YYZ
1 stop28h 36m
Multiple Airlines
mié. 6/179:55 am
YYZ
- IAH
1 stop11h 03m
Multiple Airlines
Deal found 4/28![Multiple Airlines logo]()
$302
This Kiwi.com deal was found by Cheapflights users on 4/29. 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.
mié. 5/136:30 am
IAH
- YYZ
2 stops15h 15m
Multiple Airlines
mié. 5/209:50 am
YYZ
- IAH
1 stop9h 59m
Multiple Airlines
Deal found 4/29![Multiple Airlines logo]()
$306
This Kiwi.com deal was found by Cheapflights users on 4/27. 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.
lun. 6/88:29 am
IAH
- YYZ
1 stop28h 36m
Multiple Airlines
dom. 6/144:50 pm
YYZ
- IAH
1 stop16h 57m
Multiple Airlines
Deal found 4/27![Multiple Airlines logo]()
$312
This Kiwi.com deal was found by Cheapflights users on 4/29. 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.
jue. 5/286:00 am
IAH
- YTZ
2 stops34h 35m
Multiple Airlines
mié. 6/38:45 am
YTZ
- IAH
1 stop11h 15m
Multiple Airlines
Deal found 4/29![Multiple Airlines logo]()
$313
This Kiwi.com deal was found by Cheapflights users on 4/27. 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.
lun. 6/18:29 am
IAH
- YYZ
1 stop28h 36m
Multiple Airlines
mar. 6/99:50 am
YYZ
- IAH
1 stop23h 57m
Multiple Airlines
Deal found 4/27![Multiple Airlines logo]()
$319
This Kiwi.com deal was found by Cheapflights users on 4/29. 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.
mié. 5/275:45 am
IAH
- YTZ
2 stops30h 15m
Multiple Airlines
mié. 6/38:45 am
YTZ
- IAH
1 stop11h 15m
Multiple Airlines
Deal found 4/29![Multiple Airlines logo]()
$321
This Kiwi.com deal was found by Cheapflights users on 4/28. 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.
jue. 6/48:29 am
IAH
- YYZ
1 stop14h 11m
Multiple Airlines
dom. 6/75:45 pm
YYZ
- IAH
1 stop16h 05m
Multiple Airlines
Deal found 4/28![Multiple Airlines logo]()
$322
This Kiwi.com deal was found by Cheapflights users on 4/30. 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.
jue. 6/48:39 am
IAH
- YYZ
1 stop14h 01m
Multiple Airlines
lun. 6/1510:30 pm
YYZ
- IAH
2 stops39h 16m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$323
This Kiwi.com deal was found by Cheapflights users on 4/30. 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.
jue. 6/48:39 am
IAH
- YYZ
1 stop14h 01m
Multiple Airlines
mar. 6/99:50 am
YYZ
- IAH
2 stops25h 17m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$327
This Kiwi.com deal was found by Cheapflights users on 4/27. 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.
mié. 5/275:45 am
IAH
- YYZ
2 stops31h 20m
Multiple Airlines
mié. 6/39:50 am
YYZ
- IAH
1 stop24h 00m
Multiple Airlines
Deal found 4/27![Multiple Airlines logo]()
$329
This Kiwi.com deal was found by Cheapflights users on 4/29. 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.
mar. 5/125:45 am
IAH
- YYZ
1 stop7h 20m
Multiple Airlines
mar. 5/199:50 am
YYZ
- IAH
1 stop9h 59m
Multiple Airlines
Deal found 4/29![Multiple Airlines logo]()
$332
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 mayo 2, 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 mayo 2, 2026.
This Kiwi.com deal was found by Cheapflights users on 5/1. 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.
vie. 6/512:27 pm
IAH
- YHM
2 stops26h 28m
Multiple Airlines
mar. 6/96:10 pm
YHM
- IAH
1 stop20h 45m
Multiple Airlines
Deal found 5/1![Multiple Airlines logo]()
$466
This Delta deal was found by Cheapflights users on 4/27. 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.
mié. 7/2910:50 am
IAH
- YYZ
1 stop11h 54m
Delta
mié. 8/196:00 am
YYZ
- IAH
2 stops13h 52m
Delta
Deal found 4/27![Delta logo]()
$519
This FlightHub deal was found by Cheapflights users on 4/30. 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.
mié. 5/276:30 am
IAH
- YKF
1 stop12h 20m
WestJet
dom. 5/318:40 pm
YKF
- IAH
1 stop18h 15m
WestJet
Deal found 4/30![WestJet logo]()
$563
This United Airlines deal was found by Cheapflights users on 4/28. 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.
vie. 5/297:00 am
IAH
- YTZ
1 stop6h 39m
United Airlines
mié. 6/312:15 pm
YTZ
- IAH
1 stop10h 21m
United Airlines
Deal found 4/28![United Airlines logo]()
$645
This Air Canada deal was found by Cheapflights users on 4/27. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 5/127:20 am
IAH
- YUL
1 stop8h 01m
Air Canada
mié. 5/204:30 pm
YUL
- IAH
Nonstop4h 29m
Air Canada
Deal found 4/27![Air Canada logo]()
$688
This Kiwi.com deal was found by Cheapflights users on 4/27. 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.
jue. 5/146:50 am
IAH
- YTZ
1 stop7h 15m
Multiple Airlines
lun. 5/187:00 am
YTZ
- IAH
1 stop9h 14m
Multiple Airlines
Deal found 4/27![Multiple Airlines logo]()
$509
This Delta deal was found by Cheapflights users on 5/1. 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.
vie. 5/156:47 pm
IAH
- YYZ
1 stop13h 23m
Delta
lun. 5/186:00 am
YYZ
- IAH
1 stop16h 43m
Delta
Deal found 5/1![Delta logo]()
$549
This FlightHub deal was found by Cheapflights users on 4/30. 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.
mié. 5/276:30 am
IAH
- YHM
1 stop9h 45m
WestJet
dom. 5/316:10 pm
YHM
- IAH
1 stop20h 45m
WestJet
Deal found 4/30![WestJet logo]()
$570
This Kiwi.com deal was found by Cheapflights users on 5/1. 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.
mié. 5/208:12 pm
IAH
- YTZ
1 stop15h 58m
Multiple Airlines
sáb. 6/68:45 am
YTZ
- IAH
1 stop11h 32m
Multiple Airlines
Deal found 5/1![Multiple Airlines logo]()
$530
This Delta deal was found by Cheapflights users on 4/27. 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.
sáb. 7/254:00 pm
IAH
- YUL
1 stop15h 39m
Delta
vie. 7/317:44 pm
YUL
- IAH
1 stop25h 56m
Delta
Deal found 4/27![Delta logo]()
$560
This United Airlines deal was found by Cheapflights users on 4/27. 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.
mié. 7/15:04 am
IAH
- YTZ
1 stop10h 37m
United Airlines
mar. 7/712:15 pm
YTZ
- IAH
1 stop10h 21m
United Airlines
Deal found 4/27![United Airlines logo]()
$651
This Justfly.com deal was found by Cheapflights users on 4/27. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 6/206:30 am
IAH
- YHM
1 stop9h 45m
WestJet
mar. 6/236:10 pm
YHM
- IAH
1 stop20h 45m
WestJet
Deal found 4/27![WestJet logo]()
$593
This Mytrip deal was found by Cheapflights users on 4/27. 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.
mar. 5/125:29 pm
IAH
- YUL
2 stops22h 33m
Multiple Airlines
mié. 5/206:45 am
YUL
- IAH
2 stops16h 31m
Multiple Airlines
Deal found 4/27![Multiple Airlines logo]()
$567
This Delta deal was found by Cheapflights users on 4/27. 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.
sáb. 7/254:00 pm
IAH
- YUL
1 stop15h 39m
Delta
sáb. 8/19:30 am
YUL
- IAH
1 stop12h 10m
Delta
Deal found 4/27![Delta logo]()
$571
This United Airlines deal was found by Cheapflights users on 4/27. 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.
vie. 8/76:25 pm
IAH
- YYZ
Nonstop3h 19m
United Airlines
lun. 8/106:10 am
YYZ
- IAH
Nonstop3h 42m
United Airlines
Deal found 4/27![United Airlines logo]()
$654
This Justfly.com deal was found by Cheapflights users on 5/1. 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.
jue. 5/286:30 am
IAH
- YHM
1 stop9h 45m
WestJet
vie. 5/296:10 pm
YHM
- IAH
1 stop29h 30m
WestJet
Deal found 5/1![WestJet logo]()
$597
This Delta deal was found by Cheapflights users on 4/27. 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.
dom. 6/285:40 am
IAH
- YYZ
1 stop5h 45m
Delta
lun. 7/67:55 am
YYZ
- IAH
1 stop14h 32m
Delta
Deal found 4/27![Delta logo]()
$592
This United Airlines deal was found by Cheapflights users on 4/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 6/46:25 pm
IAH
- YYZ
Nonstop3h 19m
United Airlines
dom. 6/76:10 am
YYZ
- IAH
Nonstop3h 42m
United Airlines
Deal found 4/29![United Airlines logo]()
$655
This Justfly.com deal was found by Cheapflights users on 5/1. 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.
mar. 5/266:30 am
IAH
- YHM
1 stop9h 45m
WestJet
mié. 5/276:10 pm
YHM
- IAH
1 stop29h 30m
WestJet
Deal found 5/1![WestJet logo]()
$601
This Mytrip deal was found by Cheapflights users on 5/1. 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.
mar. 8/116:30 am
IAH
- YHM
2 stops12h 55m
Multiple Airlines
mar. 8/186:15 am
YHM
- IAH
2 stops17h 25m
Multiple Airlines
Deal found 5/1![Multiple Airlines logo]()
$616
This United Airlines deal was found by Cheapflights users on 5/1. 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.
mar. 6/166:10 am
IAH
- YTZ
1 stop9h 31m
United Airlines
sáb. 6/2010:45 am
YTZ
- IAH
1 stop7h 16m
United Airlines
Deal found 5/1![United Airlines logo]()
$661
This Justfly.com deal was found by Cheapflights users on 4/30. 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.
lun. 5/252:50 pm
IAH
- YHM
1 stop25h 25m
WestJet
dom. 5/316:10 pm
YHM
- IAH
1 stop20h 45m
WestJet
Deal found 4/30![WestJet logo]()
$601
This Delta deal was found by Cheapflights users on 4/30. 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.
mar. 7/77:00 am
IAH
- YYZ
1 stop10h 09m
Delta
sáb. 7/186:04 am
YYZ
- IAH
2 stops11h 08m
Delta
Deal found 4/30![Delta logo]()
$610
This Mytrip deal was found by Cheapflights users on 4/29. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 7/146:30 am
IAH
- YHM
1 stop15h 43m
Multiple Airlines
jue. 7/166:15 am
YHM
- IAH
3 stops17h 25m
Multiple Airlines
Deal found 4/29![Multiple Airlines logo]()
$636
This United Airlines deal was found by Cheapflights users on 4/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 7/15:04 am
IAH
- YTZ
1 stop10h 37m
United Airlines
lun. 7/612:15 pm
YTZ
- IAH
1 stop11h 44m
United Airlines
Deal found 4/29![United Airlines logo]()
$662
This Trip.com deal was found by Cheapflights users on 4/27. 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.
lun. 7/202:50 pm
IAH
- YHM
1 stop25h 25m
WestJet
vie. 7/246:10 pm
YHM
- IAH
1 stop20h 45m
WestJet
Deal found 4/27![WestJet logo]()
$621
This Delta deal was found by Cheapflights users on 4/30. 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.
mar. 6/27:00 am
IAH
- YYZ
1 stop9h 55m
Delta
mar. 6/912:09 pm
YYZ
- IAH
2 stops10h 25m
Delta
Deal found 4/30![Delta logo]()
$622
This United Airlines deal was found by Cheapflights users on 4/30. 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.
lun. 6/1510:08 pm
IAH
- YTZ
1 stop10h 58m
United Airlines
jue. 6/1812:15 pm
YTZ
- IAH
1 stop13h 15m
United Airlines
Deal found 4/30![United Airlines logo]()
$663
This Kiwi.com deal was found by Cheapflights users on 4/27. 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.
vie. 6/57:31 pm
HOU
- YUL
2 stops17h 37m
Multiple Airlines
lun. 6/87:00 am
YUL
- HOU
1 stop6h 12m
Multiple Airlines
Deal found 4/27![Multiple Airlines logo]()
$674
This Delta deal was found by Cheapflights users on 4/27. 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.
dom. 6/286:00 am
HOU
- YYZ
1 stop5h 25m
Delta
lun. 7/66:15 am
YYZ
- HOU
1 stop6h 57m
Delta
Deal found 4/27![Delta logo]()
$624
Last-minute flights from Houston to OntarioDiscover last-minute flight deals from Houston to Ontario. Data last updated mayo 2, 2026 and is based on user searches.
Discover last-minute flight deals from Houston to Ontario. Data last updated mayo 2, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 4/29. 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.
mar. 5/125:45 am
IAH
- YYZ
1 stop7h 20m
Multiple Airlines
mar. 5/199:50 am
YYZ
- IAH
1 stop9h 59m
Multiple Airlines
Deal found 4/29![Multiple Airlines logo]()
$332
This Kiwi.com deal was found by Cheapflights users on 4/29. 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.
mié. 5/136:30 am
IAH
- YYZ
2 stops15h 15m
Multiple Airlines
mié. 5/209:50 am
YYZ
- IAH
1 stop9h 59m
Multiple Airlines
Deal found 4/29![Multiple Airlines logo]()
$306
This Kiwi.com deal was found by Cheapflights users on 4/29. 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.
mié. 5/136:30 am
IAH
- YYZ
2 stops15h 15m
Multiple Airlines
mar. 5/199:50 am
YYZ
- IAH
1 stop24h 05m
Multiple Airlines
Deal found 4/29![Multiple Airlines logo]()
$334
This Kiwi.com deal was found by Cheapflights users on 4/29. 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.
mié. 5/275:45 am
IAH
- YTZ
2 stops30h 15m
Multiple Airlines
mié. 6/38:45 am
YTZ
- IAH
1 stop11h 15m
Multiple Airlines
Deal found 4/29![Multiple Airlines logo]()
$321
This Kiwi.com deal was found by Cheapflights users on 4/27. 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.
mié. 5/275:45 am
IAH
- YYZ
2 stops31h 20m
Multiple Airlines
mié. 6/39:50 am
YYZ
- IAH
1 stop24h 00m
Multiple Airlines
Deal found 4/27![Multiple Airlines logo]()
$329
This Kiwi.com deal was found by Cheapflights users on 4/29. 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.
jue. 5/286:00 am
IAH
- YTZ
2 stops34h 35m
Multiple Airlines
mié. 6/38:45 am
YTZ
- IAH
1 stop11h 15m
Multiple Airlines
Deal found 4/29![Multiple Airlines logo]()
$313
This Kiwi.com deal was found by Cheapflights users on 4/27. 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.
lun. 6/18:29 am
IAH
- YYZ
1 stop28h 36m
Multiple Airlines
mar. 6/99:50 am
YYZ
- IAH
1 stop23h 57m
Multiple Airlines
Deal found 4/27![Multiple Airlines logo]()
$319
This Kiwi.com deal was found by Cheapflights users on 4/28. 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.
jue. 6/48:29 am
IAH
- YYZ
1 stop14h 11m
Multiple Airlines
dom. 6/75:45 pm
YYZ
- IAH
1 stop16h 05m
Multiple Airlines
Deal found 4/28![Multiple Airlines logo]()
$322
This Kiwi.com deal was found by Cheapflights users on 4/30. 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.
jue. 6/48:39 am
IAH
- YYZ
1 stop14h 01m
Multiple Airlines
lun. 6/1510:30 pm
YYZ
- IAH
2 stops39h 16m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$323
This Kiwi.com deal was found by Cheapflights users on 4/30. 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.
jue. 6/48:39 am
IAH
- YYZ
1 stop14h 01m
Multiple Airlines
mar. 6/99:50 am
YYZ
- IAH
2 stops25h 17m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$327
This Kiwi.com deal was found by Cheapflights users on 4/28. 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.
lun. 6/88:29 am
IAH
- YYZ
1 stop28h 36m
Multiple Airlines
mié. 6/179:55 am
YYZ
- IAH
1 stop11h 03m
Multiple Airlines
Deal found 4/28![Multiple Airlines logo]()
$302
This Kiwi.com deal was found by Cheapflights users on 4/27. 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.
lun. 6/88:29 am
IAH
- YYZ
1 stop28h 36m
Multiple Airlines
dom. 6/144:50 pm
YYZ
- IAH
1 stop16h 57m
Multiple Airlines
Deal found 4/27![Multiple Airlines logo]()
$312
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 mayo 2, 2026.
Search for one-way flight options from Houston to Ontario. Find affordable one-way fares based on user searches. Data last updated mayo 2, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/29. 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.
mar. 6/167:24 pm
IAH
- YUL
2 stops28h 01m
Multiple Airlines
Deal found 4/29![Multiple Airlines logo]()
$119
This Kiwi.com deal was found by Cheapflights users on 4/27. 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.
jue. 6/118:50 am
IAH
- YUL
2 stops14h 35m
Multiple Airlines
Deal found 4/27![Multiple Airlines logo]()
$140
This Kiwi.com deal was found by Cheapflights users on 4/30. 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.
jue. 5/286:00 am
IAH
- YUL
3 stops41h 25m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$169
This Kiwi.com deal was found by Cheapflights users on 4/29. 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.
jue. 6/188:55 am
IAH
- YUL
2 stops14h 30m
Multiple Airlines
Deal found 4/29![Multiple Airlines logo]()
$183
This Justfly.com deal was found by Cheapflights users on 4/30. 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.
mar. 6/166:30 am
IAH
- YHM
1 stop9h 45m
WestJet
Deal found 4/30![WestJet logo]()
$187
This Kiwi.com deal was found by Cheapflights users on 4/28. 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.
lun. 5/188:50 pm
IAH
- YUL
2 stops20h 25m
Multiple Airlines
Deal found 4/28![Multiple Airlines logo]()
$188
This Kiwi.com deal was found by Cheapflights users on 4/28. 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.
mié. 6/38:50 pm
IAH
- YUL
3 stops44h 30m
Multiple Airlines
Deal found 4/28![Multiple Airlines logo]()
$190
This Mytrip deal was found by Cheapflights users on 4/30. 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.
lun. 5/255:45 am
IAH
- YHM
1 stop9h 10m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$194
This Kiwi.com deal was found by Cheapflights users on 4/27. 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.
sáb. 5/239:17 pm
IAH
- YUL
2 stops13h 18m
Multiple Airlines
Deal found 4/27![Multiple Airlines logo]()
$198
This Kiwi.com deal was found by Cheapflights users on 4/30. 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.
lun. 6/19:17 pm
IAH
- YUL
2 stops25h 24m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$202
This Mytrip deal was found by Cheapflights users on 4/30. 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.
lun. 6/155:45 am
IAH
- YHM
1 stop9h 10m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$211
This Kiwi.com deal was found by Cheapflights users on 4/27. 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.
jue. 6/1110:08 pm
IAH
- YYZ
3 stops55h 47m
Multiple Airlines
Deal found 4/27![Multiple Airlines logo]()
$222
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 mayo 2, 2026.
Round-trip from | $288 (Kiwi.com) |
|---|---|
One-way from | $119 (Kiwi.com) |
Popular in | February |
Cheapest in | September |
Average price | $598 |
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 mayo 2, 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
HoustonHamilton
IAH - YHM
IAHYHM
Houston George Bush Intcntl
vie. 6/5
12:27 pm-3:55 pm
2 stops26h 28m
Hamilton
mar. 6/9
6:10 pm-1:55 pm
1 stop20h 45m
$466
HoustonToronto
IAH - YTZ
IAHYTZ
Houston George Bush Intcntl
jue. 5/14
6:50 am-3:05 pm
1 stop7h 15m
Toronto Island
lun. 5/18
7:00 am-3:14 pm
1 stop9h 14m
$509
HoustonToronto
IAH - YYZ
IAHYYZ
Houston George Bush Intcntl
mié. 7/29
10:50 am-11:44 pm
1 stop11h 54m
Toronto Pearson Intl
mié. 8/19
6:00 am-6:52 pm
2 stops13h 52m
$519
HoustonToronto
IAH - YTZ
IAHYTZ
Houston George Bush Intcntl
mié. 5/20
8:12 pm-1:10 pm
1 stop15h 58m
Toronto Island
sáb. 6/6
8:45 am-7:17 pm
1 stop11h 32m
$530
HoustonToronto
IAH - YYZ
IAHYYZ
Houston George Bush Intcntl
vie. 5/15
6:47 pm-9:10 am
1 stop13h 23m
Toronto Pearson Intl
lun. 5/18
6:00 am-9:43 pm
1 stop16h 43m
$549
HoustonMontreal
IAH - YUL
IAHYUL
Houston George Bush Intcntl
sáb. 7/25
4:00 pm-8:39 am
1 stop15h 39m
Montreal Pierre Elliott Trudeau Intl
vie. 7/31
7:44 pm-8:40 pm
1 stop25h 56m
$560
HoustonToronto
IAH - YKF
IAHYKF
Houston George Bush Intcntl
mié. 5/27
6:30 am-7:50 pm
1 stop12h 20m
Toronto Region of Waterloo Intl
dom. 5/31
8:40 pm-1:55 pm
1 stop18h 15m
$563
HoustonMontreal
IAH - YUL
IAHYUL
Houston George Bush Intcntl
mar. 5/12
5:29 pm-5:02 pm
2 stops22h 33m
Montreal Pierre Elliott Trudeau Intl
mié. 5/20
6:45 am-10:16 pm
2 stops16h 31m
$567
HoustonHamilton
IAH - YHM
IAHYHM
Houston George Bush Intcntl
mié. 5/27
6:30 am-5:15 pm
1 stop9h 45m
Hamilton
dom. 5/31
6:10 pm-1:55 pm
1 stop20h 45m
$570
HoustonMontreal
IAH - YUL
IAHYUL
Houston George Bush Intcntl
sáb. 7/25
4:00 pm-8:39 am
1 stop15h 39m
Montreal Pierre Elliott Trudeau Intl
sáb. 8/1
9:30 am-8:40 pm
1 stop12h 10m
$571
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-YHM
IAH-YKF
IAH-YUL
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-YHM
IAH-YKF
How far ahead should I book a flight from Houston to Region of Ontario?
Booking 83 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.
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 September is currently the most expensive (average of $257). 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 mayo 2, 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?
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 mayo 2, 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.
Food
7.2
Entertainment
7.8
Crew
8.5
Comfort
7.9
Overall
7.9
Boarding
8.1
Reviews
1 / 20
2.0
MediocreBarney,May 2026
JFK - ATL
Food
7.2
Entertainment
7.8
Crew
8.5
Comfort
7.9
Overall
7.9
Boarding
8.1
Reviews
1 / 20
2.0
MediocreBarney,May 2026
JFK - ATL
Food
7.2
Entertainment
7.8
Crew
8.5
Comfort
7.9
Overall
7.9
Boarding
8.1
Reviews
1 / 20
2.0
MediocreBarney,May 2026
JFK - ATL
Food
7.2
Entertainment
7.8
Crew
8.5
Comfort
7.9
Overall
7.9
Boarding
8.1
Reviews
1 / 20
2.0
MediocreBarney,May 2026
JFK - ATL
Food
7.2
Entertainment
7.8
Crew
8.5
Comfort
7.9
Overall
7.9
Boarding
8.1
Reviews
1 / 20
2.0
MediocreBarney,May 2026
JFK - ATL
Food
7.2
Entertainment
7.8
Crew
8.5
Comfort
7.9
Overall
7.9
Boarding
8.1
Reviews
1 / 20
2.0
MediocreBarney,May 2026
JFK - 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 mayo 2, 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 mayo 2, 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$263 | Average$649 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$269 | Average$786 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$315 | Average$511 | FlexibilityNo cancel fee | On-time71% |