$185+ 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
Aug 3 — Aug 101
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 4, 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 4, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” 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 8/319:30 am
YYZ
- IAH
1 stop30h 54m
Multiple Airlines
Deal found 7/4![Multiple Airlines logo]()
$290
This Kiwi.com deal was found by Cheapflights users on 6/29. 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.
Sun 8/238:35 am
IAH
- YYZ
2 stops31h 34m
Multiple Airlines
Mon 8/311:30 pm
YYZ
- IAH
1 stop26h 54m
Multiple Airlines
Deal found 6/29![Multiple Airlines logo]()
$300
This Kiwi.com deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” 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
Tue 8/259:30 am
YYZ
- IAH
1 stop30h 54m
Multiple Airlines
Deal found 7/2![Multiple Airlines logo]()
$309
This Kiwi.com deal was found by Cheapflights users on 6/30. 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.
Tue 7/217:23 pm
IAH
- YYZ
1 stop20h 22m
Multiple Airlines
Tue 8/259:30 am
YYZ
- IAH
1 stop30h 54m
Multiple Airlines
Deal found 6/30![Multiple Airlines logo]()
$326
This Kiwi.com deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” 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 9/126:42 pm
IAH
- YTZ
1 stop22h 18m
Multiple Airlines
Wed 9/1610:05 am
YTZ
- IAH
1 stop8h 42m
Multiple Airlines
Deal found 7/2![Multiple Airlines logo]()
$348
This Kiwi.com deal was found by Cheapflights users on 6/30. 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.
Thu 9/106:42 pm
IAH
- YTZ
1 stop18h 43m
Multiple Airlines
Thu 9/1710:05 am
YTZ
- IAH
1 stop8h 42m
Multiple Airlines
Deal found 6/30![Multiple Airlines logo]()
$357
This Kiwi.com deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” 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 10/176:42 pm
IAH
- YTZ
1 stop18h 43m
Multiple Airlines
Tue 10/2010:05 am
YTZ
- IAH
1 stop8h 42m
Multiple Airlines
Deal found 7/2![Multiple Airlines logo]()
$365
This Kiwi.com deal was found by Cheapflights users on 6/29. 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.
Thu 8/68:16 am
IAH
- YTZ
2 stops30h 44m
Multiple Airlines
Wed 8/128:55 am
YTZ
- IAH
1 stop12h 52m
Multiple Airlines
Deal found 6/29![Multiple Airlines logo]()
$366
This Kiwi.com deal was found by Cheapflights users on 6/30. 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.
Sat 8/159:42 pm
IAH
- YTZ
1 stop14h 18m
Multiple Airlines
Fri 8/218:55 am
YTZ
- IAH
1 stop28h 01m
Multiple Airlines
Deal found 6/30![Multiple Airlines logo]()
$373
This Kiwi.com deal was found by Cheapflights users on 7/1. 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.
Mon 9/146:42 pm
IAH
- YTZ
1 stop13h 58m
Multiple Airlines
Wed 9/1610:05 am
YTZ
- IAH
1 stop8h 42m
Multiple Airlines
Deal found 7/1![Multiple Airlines logo]()
$378
This Kiwi.com deal was found by Cheapflights users on 7/1. 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.
Thu 10/156:42 pm
IAH
- YTZ
1 stop13h 58m
Multiple Airlines
Fri 10/238:40 pm
YTZ
- IAH
1 stop22h 07m
Multiple Airlines
Deal found 7/1![Multiple Airlines logo]()
$380
This Kiwi.com deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” 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 8/16:18 am
IAH
- YTZ
2 stops29h 37m
Multiple Airlines
Mon 8/178:55 am
YTZ
- IAH
1 stop28h 01m
Multiple Airlines
Deal found 7/2![Multiple Airlines logo]()
$385
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 4, 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 4, 2026.
This Delta deal was found by Cheapflights users on 6/30. 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.
Sat 9/195:25 pm
IAH
- YYZ
2 stops17h 00m
Delta
Thu 10/17:55 am
YYZ
- IAH
1 stop9h 56m
Delta
Deal found 6/30![Delta logo]()
$502
This Kissandfly.com deal was found by Cheapflights users on 6/29. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/308:20 am
IAH
- YUL
2 stops14h 32m
Multiple Airlines
Thu 8/66:30 am
YUL
- IAH
2 stops15h 17m
Multiple Airlines
Deal found 6/29![Multiple Airlines logo]()
$531
This FlightHub deal was found by Cheapflights users on 6/29. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/32:50 pm
IAH
- YKF
1 stop28h 00m
WestJet
Wed 10/78:40 pm
YKF
- IAH
1 stop18h 15m
WestJet
Deal found 6/29![WestJet logo]()
$567
This United Airlines deal was found by Cheapflights users on 7/1. 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.
Thu 8/278:00 pm
IAH
- YYZ
1 stop19h 07m
United Airlines
Mon 8/318:15 am
YYZ
- IAH
1 stop23h 22m
United Airlines
Deal found 7/1![United Airlines logo]()
$606
This Air Canada deal was found by Cheapflights users on 7/1. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/3110:00 am
IAH
- YTZ
1 stop6h 51m
Air Canada
Fri 8/712:30 pm
YTZ
- IAH
1 stop8h 08m
Air Canada
Deal found 7/1![Air Canada logo]()
$635
This Delta deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” 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 9/157:00 am
IAH
- YUL
1 stop10h 53m
Delta
Tue 9/2212:48 pm
YUL
- IAH
1 stop5h 57m
Delta
Deal found 7/3![Delta logo]()
$605
This oojo deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” 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 9/212:50 pm
IAH
- YKF
1 stop28h 00m
WestJet
Sat 9/268:40 pm
YKF
- IAH
1 stop27h 00m
WestJet
Deal found 7/2![WestJet logo]()
$608
This Mytrip deal was found by Cheapflights users on 6/29. 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.
Sun 8/232:50 pm
IAH
- YHM
3 stops25h 40m
Multiple Airlines
Mon 8/317:00 am
YHM
- IAH
2 stops16h 40m
Multiple Airlines
Deal found 6/29![Multiple Airlines logo]()
$612
This United Airlines deal was found by Cheapflights users on 6/29. 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.
Mon 9/2110:19 pm
IAH
- YTZ
1 stop17h 23m
United Airlines
Fri 9/257:25 pm
YTZ
- IAH
1 stop13h 54m
United Airlines
Deal found 6/29![United Airlines logo]()
$631
This Mytrip deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” 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 8/262:50 pm
IAH
- YHM
3 stops28h 40m
Multiple Airlines
Sat 8/297:00 am
YHM
- IAH
2 stops16h 40m
Multiple Airlines
Deal found 7/2![Multiple Airlines logo]()
$617
This FlightHub deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/262:50 pm
IAH
- YKF
1 stop28h 00m
WestJet
Sat 8/298:40 pm
YKF
- IAH
1 stop18h 15m
WestJet
Deal found 7/2![WestJet logo]()
$622
This United Airlines deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” 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 10/158:35 pm
IAH
- YTZ
1 stop12h 32m
United Airlines
Mon 10/197:25 pm
YTZ
- IAH
1 stop13h 54m
United Airlines
Deal found 7/3![United Airlines logo]()
$651
This Delta deal was found by Cheapflights users on 6/30. 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.
Tue 7/146:35 pm
IAH
- YYZ
1 stop13h 35m
Delta
Sat 12/1212:14 pm
YYZ
- IAH
1 stop7h 45m
Delta
Deal found 6/30![Delta logo]()
$654
This Mytrip deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” 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 10/96:30 am
IAH
- YKF
1 stop12h 20m
WestJet
Sun 10/188:40 pm
YKF
- IAH
1 stop18h 15m
WestJet
Deal found 7/3![WestJet logo]()
$638
This Mytrip deal was found by Cheapflights users on 6/29. 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.
Thu 8/66:30 am
IAH
- YHM
1 stop15h 43m
Multiple Airlines
Wed 8/126:15 am
YHM
- IAH
2 stops17h 25m
Multiple Airlines
Deal found 6/29![Multiple Airlines logo]()
$657
This United Airlines deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” 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 9/1911:55 am
IAH
- YYZ
1 stop11h 18m
United Airlines
Tue 9/228:05 am
YYZ
- IAH
1 stop10h 12m
United Airlines
Deal found 7/3![United Airlines logo]()
$660
This Delta deal was found by Cheapflights users on 7/1. 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.
Mon 8/107:00 am
IAH
- YUL
1 stop10h 54m
Delta
Sun 8/166:00 am
YUL
- IAH
1 stop5h 33m
Delta
Deal found 7/1![Delta logo]()
$670
This Mytrip deal was found by Cheapflights users on 6/29. 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.
Thu 8/136:30 am
IAH
- YKF
1 stop12h 20m
WestJet
Thu 8/208:40 pm
YKF
- IAH
1 stop18h 15m
WestJet
Deal found 6/29![WestJet logo]()
$656
This Mytrip deal was found by Cheapflights users on 7/1. 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.
Thu 10/82:50 pm
IAH
- YKF
2 stops13h 35m
Multiple Airlines
Sun 10/118:40 pm
YKF
- IAH
1 stop18h 15m
Multiple Airlines
Deal found 7/1![Multiple Airlines logo]()
$659
This Delta deal was found by Cheapflights users on 7/1. 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.
Mon 7/277:00 am
IAH
- YYZ
1 stop10h 09m
Delta
Fri 7/3111:40 am
YYZ
- IAH
1 stop9h 18m
Delta
Deal found 7/1![Delta logo]()
$670
This United Airlines deal was found by Cheapflights users on 7/1. 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.
Fri 9/410:19 pm
IAH
- YTZ
1 stop10h 48m
United Airlines
Tue 9/812:15 pm
YTZ
- IAH
1 stop22h 04m
United Airlines
Deal found 7/1![United Airlines logo]()
$680
This Mytrip deal was found by Cheapflights users on 6/30. 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.
Mon 8/246:30 am
IAH
- YKF
1 stop12h 20m
WestJet
Sat 8/298:40 pm
YKF
- IAH
1 stop18h 15m
WestJet
Deal found 6/30![WestJet logo]()
$661
This Mytrip deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” 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
- YHM
3 stops25h 35m
Multiple Airlines
Mon 9/77:00 am
YHM
- IAH
2 stops31h 55m
Multiple Airlines
Deal found 7/3![Multiple Airlines logo]()
$676
This Delta deal was found by Cheapflights users on 6/30. 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.
Fri 7/177:00 am
IAH
- YYZ
1 stop10h 09m
Delta
Sun 12/69:45 am
YYZ
- IAH
1 stop5h 59m
Delta
Deal found 6/30![Delta logo]()
$689
This United Airlines deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” 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.
Fri 7/175:04 am
IAH
- YYZ
1 stop7h 38m
United Airlines
Fri 7/173:53 pm
YYZ
- IAH
Nonstop3h 35m
United Airlines
Deal found 7/2![United Airlines logo]()
$710
This FlightHub deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/192:50 pm
IAH
- YKF
1 stop28h 00m
WestJet
Tue 8/258:40 pm
YKF
- IAH
1 stop18h 15m
WestJet
Deal found 7/2![WestJet logo]()
$676
This United deal was found by Cheapflights users on 6/29. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/65:04 am
IAH
- YTZ
1 stop10h 38m
Multiple Airlines
Wed 8/1212:30 pm
YTZ
- IAH
1 stop8h 08m
Multiple Airlines
Deal found 6/29![Multiple Airlines logo]()
$681
This Delta deal was found by Cheapflights users on 6/30. 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.
Wed 7/227:00 am
IAH
- YUL
1 stop10h 54m
Delta
Mon 7/277:00 am
YUL
- IAH
1 stop9h 56m
Delta
Deal found 6/30![Delta logo]()
$697
This United Airlines deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” 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 8/136:16 pm
IAH
- YYZ
Nonstop3h 20m
United Airlines
Sun 8/166:10 am
YYZ
- IAH
Nonstop3h 40m
United Airlines
Deal found 7/3![United Airlines logo]()
$724
This FlightHub deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” 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 9/46:30 am
IAH
- YKF
1 stop12h 20m
WestJet
Mon 9/78:40 pm
YKF
- IAH
1 stop18h 15m
WestJet
Deal found 7/3![WestJet logo]()
$683
Last-minute flights from Houston to OntarioDiscover last-minute flight deals from Houston to Ontario. Data last updated July 4, 2026 and is based on user searches.
Discover last-minute flight deals from Houston to Ontario. Data last updated July 4, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 6/30. 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.
Tue 7/217:23 pm
IAH
- YYZ
1 stop20h 22m
Multiple Airlines
Tue 8/259:30 am
YYZ
- IAH
1 stop30h 54m
Multiple Airlines
Deal found 6/30![Multiple Airlines logo]()
$326
This Kiwi.com deal was found by Cheapflights users on 7/1. 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.
Sat 7/256:18 am
IAH
- YTZ
2 stops29h 17m
Multiple Airlines
Wed 7/298:50 am
YTZ
- IAH
1 stop13h 13m
Multiple Airlines
Deal found 7/1![Multiple Airlines logo]()
$413
This Kiwi.com deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” 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 8/16:18 am
IAH
- YTZ
2 stops29h 37m
Multiple Airlines
Mon 8/178:55 am
YTZ
- IAH
1 stop28h 01m
Multiple Airlines
Deal found 7/2![Multiple Airlines logo]()
$385
This Kiwi.com deal was found by Cheapflights users on 7/1. 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.
Sat 8/16:18 am
IAH
- YTZ
2 stops29h 37m
Multiple Airlines
Tue 8/48:55 am
YTZ
- IAH
1 stop13h 08m
Multiple Airlines
Deal found 7/1![Multiple Airlines logo]()
$411
This Kiwi.com deal was found by Cheapflights users on 7/1. 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.
Tue 8/410:53 am
IAH
- YTZ
2 stops25h 02m
Multiple Airlines
Tue 8/118:55 am
YTZ
- IAH
1 stop12h 52m
Multiple Airlines
Deal found 7/1![Multiple Airlines logo]()
$389
This Kiwi.com deal was found by Cheapflights users on 6/29. 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.
Thu 8/68:16 am
IAH
- YTZ
2 stops30h 44m
Multiple Airlines
Wed 8/128:55 am
YTZ
- IAH
1 stop12h 52m
Multiple Airlines
Deal found 6/29![Multiple Airlines logo]()
$366
This Kiwi.com deal was found by Cheapflights users on 6/30. 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.
Sat 8/159:42 pm
IAH
- YTZ
1 stop14h 18m
Multiple Airlines
Fri 8/218:55 am
YTZ
- IAH
1 stop28h 01m
Multiple Airlines
Deal found 6/30![Multiple Airlines logo]()
$373
This Kiwi.com deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” 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
Tue 8/259:30 am
YYZ
- IAH
1 stop30h 54m
Multiple Airlines
Deal found 7/2![Multiple Airlines logo]()
$309
This Kiwi.com deal was found by Cheapflights users on 6/29. 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.
Sun 8/238:35 am
IAH
- YYZ
2 stops31h 34m
Multiple Airlines
Mon 8/311:30 pm
YYZ
- IAH
1 stop26h 54m
Multiple Airlines
Deal found 6/29![Multiple Airlines logo]()
$300
This Kiwi.com deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” 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 8/319:30 am
YYZ
- IAH
1 stop30h 54m
Multiple Airlines
Deal found 7/4![Multiple Airlines logo]()
$290
This Kiwi.com deal was found by Cheapflights users on 6/30. 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.
Mon 8/249:58 pm
IAH
- YTZ
1 stop14h 07m
Multiple Airlines
Sat 8/299:15 am
YTZ
- IAH
2 stops23h 05m
Multiple Airlines
Deal found 6/30![Multiple Airlines logo]()
$407
This Kiwi.com deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” 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 8/273:25 pm
IAH
- YTZ
2 stops23h 35m
Multiple Airlines
Fri 9/48:40 pm
YTZ
- IAH
1 stop16h 16m
Multiple Airlines
Deal found 7/3![Multiple Airlines logo]()
$408
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 4, 2026.
Search for one-way flight options from Houston to Ontario. Find affordable one-way fares based on user searches. Data last updated July 4, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” 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 7/2![Multiple Airlines logo]()
$185
This Kiwi.com deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” 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 10/228:36 am
IAH
- YUL
2 stops14h 49m
Multiple Airlines
Deal found 7/3![Multiple Airlines logo]()
$192
This Kiwi.com deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” 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 10/219:59 pm
IAH
- YUL
2 stops32h 06m
Multiple Airlines
Deal found 7/3![Multiple Airlines logo]()
$196
This Kiwi.com deal was found by Cheapflights users on 6/29. 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 7/288:02 pm
IAH
- YUL
2 stops21h 13m
Multiple Airlines
Deal found 6/29![Multiple Airlines logo]()
$198
This Kiwi.com deal was found by Cheapflights users on 6/29. 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 8/48:02 pm
IAH
- YUL
2 stops21h 13m
Multiple Airlines
Deal found 6/29![Multiple Airlines logo]()
$199
This Kiwi.com deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” 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
2 stops28h 02m
Multiple Airlines
Deal found 7/2![Multiple Airlines logo]()
$207
This Kiwi.com deal was found by Cheapflights users on 6/29. 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.
Mon 7/278:02 pm
IAH
- YUL
2 stops21h 13m
Multiple Airlines
Deal found 6/29![Multiple Airlines logo]()
$210
This Kiwi.com deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” 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 8/1212:16 pm
IAH
- YUL
2 stops30h 02m
Multiple Airlines
Deal found 7/2![Multiple Airlines logo]()
$211
This Kiwi.com deal was found by Cheapflights users on 7/1. 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.
Wed 9/307:00 am
IAH
- YUL
3 stops35h 32m
Multiple Airlines
Deal found 7/1![Multiple Airlines logo]()
$212
This Kiwi.com deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” 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 stops24h 28m
Multiple Airlines
Deal found 7/3![Multiple Airlines logo]()
$215
This Kiwi.com deal was found by Cheapflights users on 6/29. 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.
Sun 7/267:03 pm
HOU
- YUL
2 stops22h 12m
Multiple Airlines
Deal found 6/29![Multiple Airlines logo]()
$232
This Kiwi.com deal was found by Cheapflights users on 6/29. 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.
Fri 8/78:03 pm
HOU
- YUL
3 stops21h 07m
Multiple Airlines
Deal found 6/29![Multiple Airlines logo]()
$237
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 4, 2026.
Round-trip from | $300 (Kiwi.com) |
|---|---|
One-way from | $185 (Kiwi.com) |
Popular in | February |
Cheapest in | September |
Average price | $675 |
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 4, 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 - YYZ
IAHYYZ
Houston George Bush Intcntl
Sat 9/19
5:25 pm-11:25 am
2 stops17h 00m
Toronto Pearson Intl
Thu 10/1
7:55 am-4:51 pm
1 stop9h 56m
$502
HoustonMontreal
IAH - YUL
IAHYUL
Houston George Bush Intcntl
Thu 7/30
8:20 am-11:52 pm
2 stops14h 32m
Montreal Pierre Elliott Trudeau Intl
Thu 8/6
6:30 am-8:47 pm
2 stops15h 17m
$531
HoustonToronto
IAH - YKF
IAHYKF
Houston George Bush Intcntl
Sat 10/3
2:50 pm-7:50 pm
1 stop28h 00m
Toronto Region of Waterloo Intl
Wed 10/7
8:40 pm-1:55 pm
1 stop18h 15m
$567
HoustonMontreal
IAH - YUL
IAHYUL
Houston George Bush Intcntl
Tue 9/15
7:00 am-6:53 pm
1 stop10h 53m
Montreal Pierre Elliott Trudeau Intl
Tue 9/22
12:48 pm-5:45 pm
1 stop5h 57m
$605
HoustonToronto
IAH - YYZ
IAHYYZ
Houston George Bush Intcntl
Thu 8/27
8:00 pm-4:07 pm
1 stop19h 07m
Toronto Pearson Intl
Mon 8/31
8:15 am-6:37 am
1 stop23h 22m
$606
HoustonToronto
IAH - YKF
IAHYKF
Houston George Bush Intcntl
Mon 9/21
2:50 pm-7:50 pm
1 stop28h 00m
Toronto Region of Waterloo Intl
Sat 9/26
8:40 pm-10:40 pm
1 stop27h 00m
$608
HoustonHamilton
IAH - YHM
IAHYHM
Houston George Bush Intcntl
Sun 8/23
2:50 pm-5:30 pm
3 stops25h 40m
Hamilton
Mon 8/31
7:00 am-10:40 pm
2 stops16h 40m
$612
HoustonHamilton
IAH - YHM
IAHYHM
Houston George Bush Intcntl
Wed 8/26
2:50 pm-8:30 pm
3 stops28h 40m
Hamilton
Sat 8/29
7:00 am-10:40 pm
2 stops16h 40m
$617
HoustonToronto
IAH - YKF
IAHYKF
Houston George Bush Intcntl
Wed 8/26
2:50 pm-7:50 pm
1 stop28h 00m
Toronto Region of Waterloo Intl
Sat 8/29
8:40 pm-1:55 pm
1 stop18h 15m
$622
HoustonToronto
IAH - YTZ
IAHYTZ
Houston George Bush Intcntl
Mon 9/21
10:19 pm-4:42 pm
1 stop17h 23m
Toronto Island
Fri 9/25
7:25 pm-8:19 am
1 stop13h 54m
$631
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-YUL
IAH-YKF
IAH-YTZ
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-YYZ
IAH-YUL
IAH-YKF
IAH-YTZ
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 July 4, 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 July 4, 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
Comfort
7.8
Overall
7.8
Boarding
8.1
Crew
8.5
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentStacey-Ann,Aug 2023
IAH - ATL
Food
7.2
Comfort
7.8
Overall
7.8
Boarding
8.1
Crew
8.5
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentStacey-Ann,Aug 2023
IAH - ATL
Food
7.2
Comfort
7.8
Overall
7.8
Boarding
8.1
Crew
8.5
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentStacey-Ann,Aug 2023
IAH - ATL
Food
7.2
Comfort
7.8
Overall
7.8
Boarding
8.1
Crew
8.5
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentStacey-Ann,Aug 2023
IAH - ATL
Food
7.2
Comfort
7.8
Overall
7.8
Boarding
8.1
Crew
8.5
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentStacey-Ann,Aug 2023
IAH - ATL
Food
7.2
Comfort
7.8
Overall
7.8
Boarding
8.1
Crew
8.5
Entertainment
7.8
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
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 July 4, 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 4, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$118 | Average$464 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$236 | Average$552 | FlexibilityNo cancel fee | On-time60% | |
| Cheapest$266 | Average$691 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$291 | Average$812 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$315 | Average$511 | FlexibilityNo cancel fee | On-time71% |