$141+ 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 10/22. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — YYZ
Sep 28 — Oct 51
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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
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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 August 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 August 29, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/24. 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 9/218:25 am -
1 stop11h 30m
Mon 9/281:30 pm -
1 stop26h 47m
Deal found 8/24![Multiple Airlines logo]()
$290
This Kiwi.com deal was found by Cheapflights users on 8/27. 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.
Thu 10/18:25 am -
1 stop11h 30m
Mon 10/51:30 pm -
1 stop26h 47m
Deal found 8/27![Multiple Airlines logo]()
$295
This Kiwi.com deal was found by Cheapflights users on 8/25. 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.
Thu 9/178:25 am -
1 stop11h 30m
Thu 10/17:00 am -
1 stop9h 17m
Deal found 8/25![Multiple Airlines logo]()
$301
This Kiwi.com deal was found by Cheapflights users on 8/27. 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 10/218:14 am -
1 stop28h 51m
Wed 10/283:15 pm -
2 stops14h 55m
Deal found 8/27![Multiple Airlines logo]()
$304
This Kiwi.com deal was found by Cheapflights users on 8/27. 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.
Thu 10/18:25 am -
1 stop11h 30m
Sat 10/37:00 am -
1 stop9h 17m
Deal found 8/27![Multiple Airlines logo]()
$306
This Kiwi.com deal was found by Cheapflights users on 8/25. 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 9/154:21 pm -
2 stops28h 34m
Thu 10/17:00 am -
1 stop9h 17m
Deal found 8/25![Multiple Airlines logo]()
$307
This Kiwi.com deal was found by Cheapflights users on 8/28. 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 10/18:25 am -
1 stop11h 30m
Tue 10/69:30 am -
1 stop30h 47m
Deal found 8/28![Multiple Airlines logo]()
$310
This Kiwi.com deal was found by Cheapflights users on 8/28. 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 10/298:18 am -
1 stop15h 37m
Thu 11/59:10 am -
2 stops14h 05m
Deal found 8/28![Multiple Airlines logo]()
$313
This Kiwi.com deal was found by Cheapflights users on 8/28. 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 11/198:18 am -
1 stop15h 37m
Mon 11/309:10 am -
2 stops14h 05m
Deal found 8/28![Multiple Airlines logo]()
$315
This Kiwi.com deal was found by Cheapflights users on 8/27. 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.
Thu 11/198:18 am -
1 stop15h 37m
Tue 11/249:10 am -
2 stops14h 05m
Deal found 8/27![Multiple Airlines logo]()
$317
This Kiwi.com deal was found by Cheapflights users on 8/26. 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 9/1611:25 am -
1 stop26h 00m
Fri 9/181:45 pm -
1 stop21h 45m
Deal found 8/26![Multiple Airlines logo]()
$345
This Kiwi.com deal was found by Cheapflights users on 8/26. 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 9/176:50 pm -
1 stop22h 10m
Wed 9/231:45 pm -
1 stop29h 10m
Deal found 8/26![Multiple Airlines logo]()
$348
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 August 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 August 29, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/24. 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 10/612:21 pm -
2 stops32h 34m
Sun 10/117:30 am -
1 stop8h 31m
Deal found 8/24![Multiple Airlines logo]()
$372
This FlightHub deal was found by Cheapflights users on 8/24. 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 11/188:00 am -
1 stop29h 25m
Sun 11/223:25 pm -
1 stop31h 50m
Deal found 8/24![WestJet logo]()
$484
This Air Canada deal was found by Cheapflights users on 8/27. 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.
Thu 12/311:50 am -
1 stop7h 06m
Sun 12/612:30 pm -
1 stop10h 04m
Deal found 8/27![Air Canada logo]()
$507
This United Airlines deal was found by Cheapflights users on 8/24. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2110:04 am -
Nonstop3h 20m
Mon 9/286:10 am -
Nonstop3h 40m
Deal found 8/24![United Airlines logo]()
$536
This Delta deal was found by Cheapflights users on 8/28. 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 10/25:28 pm -
1 stop5h 31m
Sun 10/46:15 am -
1 stop8h 03m
Deal found 8/28![Delta logo]()
$561
This Kiwi.com deal was found by Cheapflights users on 8/24. 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.
Sat 10/178:15 am -
1 stop28h 50m
Sat 10/244:50 pm -
2 stops39h 29m
Deal found 8/24![Multiple Airlines logo]()
$397
This Kiwi.com deal was found by Cheapflights users on 8/25. 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.
Sat 10/104:08 pm -
1 stop19h 47m
Sat 10/179:15 am -
1 stop11h 54m
Deal found 8/25![Multiple Airlines logo]()
$434
This FlightHub deal was found by Cheapflights users on 8/27. 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.
Wed 11/258:00 am -
1 stop29h 25m
Tue 12/13:25 pm -
1 stop31h 50m
Deal found 8/27![WestJet logo]()
$492
This Air Canada deal was found by Cheapflights users on 8/29. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/510:00 am -
1 stop6h 50m
Thu 10/812:30 pm -
1 stop8h 22m
Deal found 8/29![Air Canada logo]()
$544
This Mytrip deal was found by Cheapflights users on 8/24. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/216:30 am -
3 stops16h 40m
Mon 9/2811:10 pm -
2 stops15h 45m
Deal found 8/24![Multiple Airlines logo]()
$458
This United Airlines deal was found by Cheapflights users on 8/27. 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 11/2110:05 pm -
1 stop14h 58m
Sat 11/283:35 pm -
1 stop8h 18m
Deal found 8/27![United Airlines logo]()
$561
This Delta deal was found by Cheapflights users on 8/28. 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 9/182:25 pm -
1 stop6h 34m
Tue 9/227:45 am -
1 stop9h 45m
Deal found 8/28![Delta logo]()
$561
This oojo deal was found by Cheapflights users on 8/24. 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.
Thu 9/102:50 pm -
1 stop28h 00m
Tue 9/158:40 pm -
1 stop18h 15m
Deal found 8/24![WestJet logo]()
$526
This Delta deal was found by Cheapflights users on 8/28. 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 10/25:30 am -
1 stop4h 48m
Mon 10/54:05 pm -
2 stops8h 49m
Deal found 8/28![Delta logo]()
$571
This oojo deal was found by Cheapflights users on 8/26. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/186:30 am -
1 stop9h 45m
Tue 9/226:10 pm -
1 stop20h 45m
Deal found 8/26![WestJet logo]()
$542
This United Airlines deal was found by Cheapflights users on 8/28. 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.
Fri 9/258:21 am -
1 stop7h 21m
Fri 10/22:20 pm -
1 stop7h 35m
Deal found 8/28![United Airlines logo]()
$606
This Delta deal was found by Cheapflights users on 8/25. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/146:09 am -
2 stops11h 00m
Sat 10/1711:38 am -
1 stop5h 54m
Deal found 8/25![Delta logo]()
$571
This Air Canada deal was found by Cheapflights users on 8/24. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/711:50 am -
Nonstop3h 50m
Sun 11/810:10 am -
1 stop7h 58m
Deal found 8/24![Air Canada logo]()
$630
This United deal was found by Cheapflights users on 8/28. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/110:04 am -
Nonstop3h 20m
Tue 10/68:35 am -
Nonstop3h 32m
Deal found 8/28![Multiple Airlines logo]()
$536
This FlightHub deal was found by Cheapflights users on 8/25. 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.
Thu 9/102:50 pm -
1 stop28h 00m
Sat 9/128:40 pm -
1 stop18h 15m
Deal found 8/25![WestJet logo]()
$545
This United Airlines deal was found by Cheapflights users on 8/28. 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.
Wed 9/238:00 am -
1 stop7h 42m
Mon 9/2810:55 am -
1 stop7h 02m
Deal found 8/28![United Airlines logo]()
$606
This Delta deal was found by Cheapflights users on 8/28. 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.
Wed 10/216:09 am -
1 stop10h 09m
Wed 10/282:26 pm -
2 stops9h 37m
Deal found 8/28![Delta logo]()
$571
This Kiwi.com deal was found by Cheapflights users on 8/27. 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.
Sat 9/265:32 pm -
2 stops25h 18m
Sat 10/38:40 pm -
1 stop18h 15m
Deal found 8/27![Multiple Airlines logo]()
$540
This FlightHub deal was found by Cheapflights users on 8/24. 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.
Sat 10/172:50 pm -
2 stops22h 25m
Sat 10/246:35 pm -
2 stops20h 25m
Deal found 8/24![WestJet logo]()
$547
This Delta deal was found by Cheapflights users on 8/27. 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.
Fri 12/1110:41 am -
2 stops11h 26m
Thu 12/177:35 am -
1 stop7h 39m
Deal found 8/27![Delta logo]()
$571
This United deal was found by Cheapflights users on 8/25. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/245:00 am -
1 stop7h 42m
Sun 9/278:35 am -
Nonstop3h 32m
Deal found 8/25![Multiple Airlines logo]()
$546
This United Airlines deal was found by Cheapflights users on 8/26. 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.
Sun 10/189:30 am -
2 stops30h 23m
Sun 10/257:20 pm -
1 stop15h 30m
Deal found 8/26![United Airlines logo]()
$661
This Delta deal was found by Cheapflights users on 8/28. 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 10/295:28 pm -
1 stop5h 31m
Sat 10/316:00 am -
2 stops11h 32m
Deal found 8/28![Delta logo]()
$571
This United Airlines deal was found by Cheapflights users on 8/29. 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.
Sat 11/218:25 am -
1 stop7h 16m
Sat 11/287:20 pm -
1 stop8h 39m
Deal found 8/29![United Airlines logo]()
$681
This Mytrip deal was found by Cheapflights users on 8/28. 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.
Wed 9/92:50 pm -
2 stops23h 30m
Wed 9/167:05 pm -
3 stops28h 35m
Deal found 8/28![Multiple Airlines logo]()
$570
Last-minute flights from Houston to OntarioDiscover last-minute flight deals from Houston to Ontario. Data last updated August 29, 2026 and is based on user searches.
Discover last-minute flight deals from Houston to Ontario. Data last updated August 29, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 8/25. 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.
Mon 9/148:25 am -
1 stop11h 30m
Thu 10/17:00 am -
1 stop9h 17m
Deal found 8/25![Multiple Airlines logo]()
$321
This Kiwi.com deal was found by Cheapflights users on 8/25. 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 9/154:21 pm -
2 stops28h 34m
Thu 10/17:00 am -
1 stop9h 17m
Deal found 8/25![Multiple Airlines logo]()
$307
This Kiwi.com deal was found by Cheapflights users on 8/25. 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 9/164:21 pm -
1 stop21h 09m
Thu 10/17:00 am -
1 stop9h 17m
Deal found 8/25![Multiple Airlines logo]()
$325
This Kiwi.com deal was found by Cheapflights users on 8/26. 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 9/1611:25 am -
1 stop26h 00m
Fri 9/181:45 pm -
1 stop21h 45m
Deal found 8/26![Multiple Airlines logo]()
$345
This Kiwi.com deal was found by Cheapflights users on 8/25. 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.
Thu 9/178:25 am -
1 stop11h 30m
Thu 10/17:00 am -
1 stop9h 17m
Deal found 8/25![Multiple Airlines logo]()
$301
This Kiwi.com deal was found by Cheapflights users on 8/25. 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.
Thu 9/178:25 am -
1 stop11h 30m
Mon 9/284:45 pm -
2 stops47h 28m
Deal found 8/25![Multiple Airlines logo]()
$322
This Kiwi.com deal was found by Cheapflights users on 8/25. 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.
Thu 9/178:25 am -
1 stop11h 30m
Sat 9/266:30 am -
1 stop9h 47m
Deal found 8/25![Multiple Airlines logo]()
$324
This Kiwi.com deal was found by Cheapflights users on 8/25. 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.
Thu 9/178:25 am -
1 stop11h 30m
Sat 10/37:00 am -
1 stop8h 13m
Deal found 8/25![Multiple Airlines logo]()
$326
This Kiwi.com deal was found by Cheapflights users on 8/25. 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.
Thu 9/178:25 am -
1 stop11h 30m
Thu 9/247:45 am -
1 stop14h 29m
Deal found 8/25![Multiple Airlines logo]()
$329
This Kiwi.com deal was found by Cheapflights users on 8/25. 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 9/186:30 am -
2 stops14h 05m
Thu 10/17:00 am -
1 stop9h 17m
Deal found 8/25![Multiple Airlines logo]()
$318
This Kiwi.com deal was found by Cheapflights users on 8/24. 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 9/218:25 am -
1 stop11h 30m
Mon 9/281:30 pm -
1 stop26h 47m
Deal found 8/24![Multiple Airlines logo]()
$290
This Kiwi.com deal was found by Cheapflights users on 8/27. 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.
Thu 9/246:08 am -
2 stops13h 47m
Thu 10/17:00 am -
1 stop9h 17m
Deal found 8/27![Multiple Airlines logo]()
$327
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 August 29, 2026.
Search for one-way flight options from Houston to Ontario. Find affordable one-way fares based on user searches. Data last updated August 29, 2026.
This Trip.com deal was found by Cheapflights users on 8/26. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/228:31 am -
2 stops14h 54m
Deal found 8/26![Multiple Airlines logo]()
$141
This Kiwi.com deal was found by Cheapflights users on 8/28. 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 10/18:25 am -
2 stops15h 00m
Deal found 8/28![Multiple Airlines logo]()
$147
This Kiwi.com deal was found by Cheapflights users on 8/25. 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 10/282:49 pm -
3 stops32h 41m
Deal found 8/25![Multiple Airlines logo]()
$176
This Kiwi.com deal was found by Cheapflights users on 8/25. 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 10/272:49 pm -
3 stops32h 41m
Deal found 8/25![Multiple Airlines logo]()
$177
This Kiwi.com deal was found by Cheapflights users on 8/26. 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.
Fri 10/238:15 am -
2 stops31h 52m
Deal found 8/26![Multiple Airlines logo]()
$179
This FlightHub deal was found by Cheapflights users on 8/25. 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.
Mon 9/286:30 am -
1 stop9h 45m
Deal found 8/25![WestJet logo]()
$187
This Jetabroad deal was found by Cheapflights users on 8/24. 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 Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/216:30 am -
1 stop9h 45m
Deal found 8/24![WestJet logo]()
$190
This Trip.com deal was found by Cheapflights users on 8/25. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/182:50 pm -
1 stop15h 15m
Deal found 8/25![WestJet logo]()
$203
This FlightHub deal was found by Cheapflights users on 8/26. 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.
Tue 9/222:50 pm -
1 stop15h 15m
Deal found 8/26![WestJet logo]()
$206
This Justfly.com deal was found by Cheapflights users on 8/25. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/142:50 pm -
1 stop25h 25m
Deal found 8/25![WestJet logo]()
$211
This Mytrip deal was found by Cheapflights users on 8/24. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/216:30 am -
3 stops14h 39m
Deal found 8/24![Multiple Airlines logo]()
$218
This FlightHub deal was found by Cheapflights users on 8/24. 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 9/232:50 pm -
1 stop25h 25m
Deal found 8/24![WestJet logo]()
$221
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 August 29, 2026.
Round-trip from | $290 (Kiwi.com) |
|---|---|
One-way from | $141 (Trip.com) |
Popular in | February |
Cheapest in | October |
Average price | $664 |
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 7,457,451 searches. Data last updated August 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 Houston George Bush Intcntl - YYZ Toronto Pearson Intl
IAHYYZ
Houston George Bush Intcntl
Tue 10/6
12:21 pm-9:55 pm
2 stops32h 34m
Toronto Pearson Intl
Sun 10/11
7:30 am-3:01 pm
1 stop8h 31m
$372
HoustonToronto
IAH Houston George Bush Intcntl - YYZ Toronto Pearson Intl
IAHYYZ
Houston George Bush Intcntl
Sat 10/17
8:15 am-2:05 pm
1 stop28h 50m
Toronto Pearson Intl
Sat 10/24
4:50 pm-7:19 am
2 stops39h 29m
$397
HoustonToronto
IAH Houston George Bush Intcntl - YTZ Toronto Island
IAHYTZ
Houston George Bush Intcntl
Sat 10/10
4:08 pm-12:55 pm
1 stop19h 47m
Toronto Island
Sat 10/17
9:15 am-8:09 pm
1 stop11h 54m
$434
HoustonToronto
IAH Houston George Bush Intcntl - YYZ Toronto Pearson Intl
IAHYYZ
Houston George Bush Intcntl
Mon 9/21
6:30 am-12:10 am
3 stops16h 40m
Toronto Pearson Intl
Mon 9/28
11:10 pm-1:55 pm
2 stops15h 45m
$458
HoustonHamilton
IAH Houston George Bush Intcntl - YHM Hamilton
IAHYHM
Houston George Bush Intcntl
Wed 11/18
8:00 am-2:25 pm
1 stop29h 25m
Hamilton
Sun 11/22
3:25 pm-10:15 pm
1 stop31h 50m
$484
HoustonHamilton
IAH Houston George Bush Intcntl - YHM Hamilton
IAHYHM
Houston George Bush Intcntl
Wed 11/25
8:00 am-2:25 pm
1 stop29h 25m
Hamilton
Tue 12/1
3:25 pm-10:15 pm
1 stop31h 50m
$492
HoustonToronto
IAH Houston George Bush Intcntl - YTZ Toronto Island
IAHYTZ
Houston George Bush Intcntl
Thu 12/3
11:50 am-7:56 pm
1 stop7h 06m
Toronto Island
Sun 12/6
12:30 pm-9:34 pm
1 stop10h 04m
$507
HoustonToronto
IAH Houston George Bush Intcntl - YKF Toronto Region of Waterloo Intl
IAHYKF
Houston George Bush Intcntl
Thu 9/10
2:50 pm-7:50 pm
1 stop28h 00m
Toronto Region of Waterloo Intl
Tue 9/15
8:40 pm-1:55 pm
1 stop18h 15m
$526
HoustonToronto
IAH Houston George Bush Intcntl - YYZ Toronto Pearson Intl
IAHYYZ
Houston George Bush Intcntl
Mon 9/21
10:04 am-2:24 pm
Nonstop3h 20m
Toronto Pearson Intl
Mon 9/28
6:10 am-8:50 am
Nonstop3h 40m
$536
Quickest round-trip
HoustonToronto
IAH Houston George Bush Intcntl - YYZ Toronto Pearson Intl
IAHYYZ
Houston George Bush Intcntl
Thu 10/1
10:04 am-2:24 pm
Nonstop3h 20m
Toronto Pearson Intl
Tue 10/6
8:35 am-11:07 am
Nonstop3h 32m
$536
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-YUL
IAH-YHM
IAH-YYZ
IAH-YTZ
HOU-YYZ
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-YUL
IAH-YHM
IAH-YYZ
IAH-YTZ
What is the cheapest month to book a flight from Houston to Region of Ontario?
Currently, October is the cheapest month in which you can book a flight from Houston to Region of Ontario (average of $583). 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 August 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 $535 and $772 in September.The cheapest round-trip price found within the last 5 days was $290 on Multiple Airlines (Sep 21-Sep 28).
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 August 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.
Crew
8.5
Food
7.2
Entertainment
7.8
Comfort
7.8
Overall
7.8
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentStacey-Ann,Aug 2023
IAH - ATL
Crew
8.5
Food
7.2
Entertainment
7.8
Comfort
7.8
Overall
7.8
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentStacey-Ann,Aug 2023
IAH - ATL
Crew
8.5
Food
7.2
Entertainment
7.8
Comfort
7.8
Overall
7.8
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentStacey-Ann,Aug 2023
IAH - ATL
Crew
8.5
Food
7.2
Entertainment
7.8
Comfort
7.8
Overall
7.8
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentStacey-Ann,Aug 2023
IAH - ATL
Crew
8.5
Food
7.2
Entertainment
7.8
Comfort
7.8
Overall
7.8
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentStacey-Ann,Aug 2023
IAH - ATL
Crew
8.5
Food
7.2
Entertainment
7.8
Comfort
7.8
Overall
7.8
Boarding
8.1
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 August 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 7,457,451 searches. Data last updated August 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$704 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$291 | Average$822 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$315 | Average$511 | FlexibilityNo cancel fee | On-time71% |