$206+ Cheap flights from Ontario to Houston
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 11/10. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — HOU
Sep 24 — Oct 11
Round-trip
1 adult, Economy
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Find cheap flights from Ontario to Houston with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Ontario to Houston
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Cheapest flights from Ontario to HoustonExplore the most affordable flight options available from Ontario to Houston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 25, 2026.
Explore the most affordable flight options available from Ontario to Houston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 25, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/101:20 pm -
1 stop10h 20m
Fri 9/186:30 am -
1 stop9h 45m
Deal found 8/20![WestJet logo]()
$277
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.
Wed 9/168:15 pm -
1 stop18h 40m
Fri 9/186:30 am -
1 stop9h 45m
Deal found 8/24![WestJet logo]()
$306
This FlightHub deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1012:25 pm -
2 stops11h 15m
Mon 9/146:30 am -
1 stop9h 45m
Deal found 8/20![WestJet logo]()
$309
This Kiwi.com deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/118:15 pm -
1 stop18h 40m
Mon 9/146:30 am -
1 stop9h 45m
Deal found 8/20![WestJet logo]()
$310
This FlightHub deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/101:20 pm -
1 stop10h 20m
Tue 9/152:50 pm -
1 stop27h 30m
Deal found 8/20![WestJet logo]()
$313
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.
Wed 9/168:15 pm -
1 stop18h 40m
Mon 9/286:30 am -
1 stop9h 45m
Deal found 8/24![WestJet logo]()
$331
This Kiwi.com deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/101:20 pm -
1 stop10h 20m
Thu 9/172:50 pm -
1 stop23h 30m
Deal found 8/20![WestJet logo]()
$338
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 9/218:15 pm -
2 stops27h 15m
Mon 9/286:30 am -
1 stop9h 45m
Deal found 8/24![Multiple Airlines logo]()
$343
This FlightHub deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/111:20 pm -
1 stop25h 35m
Wed 9/162:50 pm -
1 stop25h 25m
Deal found 8/20![WestJet logo]()
$344
This Justfly.com deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” 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.
Sat 9/124:15 pm -
1 stop22h 40m
Thu 9/172:50 pm -
1 stop25h 25m
Deal found 8/21![WestJet logo]()
$345
This Kiwi.com deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” 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 9/198:15 am -
1 stop8h 02m
Sat 9/262:50 pm -
2 stops30h 19m
Deal found 8/22![Multiple Airlines logo]()
$361
This Kiwi.com deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” 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 9/111:30 pm -
1 stop26h 47m
Sun 9/2010:38 pm -
2 stops22h 17m
Deal found 8/23![Multiple Airlines logo]()
$374
Best flights from Ontario to HoustonDiscover carefully curated flight deals from Ontario to Houston that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 25, 2026.
Discover carefully curated flight deals from Ontario to Houston that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 25, 2026.
This Justfly.com deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” 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.
Mon 9/218:15 pm -
1 stop18h 40m
Mon 10/56:30 am -
1 stop9h 45m
Deal found 8/22![WestJet logo]()
$366
This Kiwi.com deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” 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 9/198:15 am -
1 stop8h 02m
Sat 9/262:50 pm -
1 stop25h 25m
Deal found 8/22![Multiple Airlines logo]()
$390
This United Airlines deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” 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 10/16:10 am -
Nonstop3h 40m
Tue 10/66:16 pm -
Nonstop3h 20m
Deal found 8/21![United Airlines logo]()
$425
This Air Canada deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” 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 9/2510:20 am -
2 stops10h 32m
Mon 10/510:00 am -
1 stop6h 50m
Deal found 8/22![Air Canada logo]()
$439
This Delta deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/102:15 pm -
1 stop9h 19m
Sun 12/137:00 am -
1 stop9h 05m
Deal found 8/20![Delta logo]()
$445
This American Airlines deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/247:00 am -
2 stops10h 43m
Mon 10/265:00 am -
2 stops11h 58m
Deal found 8/23![American Airlines logo]()
$625
This Kiwi.com deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” 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 10/247:00 am -
2 stops16h 09m
Mon 10/268:15 am -
1 stop8h 05m
Deal found 8/23![Multiple Airlines logo]()
$390
This FlightHub deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” 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 9/156:10 pm -
1 stop20h 45m
Fri 9/186:30 am -
1 stop9h 45m
Deal found 8/23![WestJet logo]()
$417
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.
Fri 10/96:10 am -
Nonstop3h 40m
Sat 10/176:00 am -
1 stop6h 47m
Deal found 8/24![United Airlines logo]()
$441
This Delta deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” 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 9/194:05 pm -
2 stops8h 49m
Sat 9/267:00 am -
2 stops7h 15m
Deal found 8/22![Delta logo]()
$447
This Kiwi.com deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/299:15 am -
1 stop11h 51m
Wed 9/309:04 pm -
2 stops19h 16m
Deal found 8/20![Multiple Airlines logo]()
$407
This Air Canada deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2912:30 pm -
1 stop8h 22m
Wed 9/3010:00 am -
1 stop6h 50m
Deal found 8/20![Air Canada logo]()
$457
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.
Wed 9/236:15 pm -
2 stops20h 40m
Fri 10/26:30 am -
1 stop11h 50m
Deal found 8/25![WestJet logo]()
$417
This United Airlines deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” 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 9/256:10 am -
Nonstop3h 40m
Mon 10/58:21 am -
1 stop6h 25m
Deal found 8/22![United Airlines logo]()
$441
This Delta deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” 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 10/196:33 pm -
1 stop5h 30m
Fri 10/303:09 pm -
1 stop5h 50m
Deal found 8/22![Delta logo]()
$447
This FlightHub deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/156:10 pm -
1 stop20h 45m
Mon 9/286:30 am -
1 stop9h 45m
Deal found 8/20![WestJet logo]()
$421
This Air Canada deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1010:45 am -
1 stop11h 49m
Sun 12/1311:50 am -
1 stop7h 06m
Deal found 8/20![Air Canada logo]()
$479
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.
Wed 10/143:53 pm -
Nonstop3h 34m
Fri 10/165:00 am -
1 stop5h 49m
Deal found 8/24![United Airlines logo]()
$441
This Delta deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” 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 10/196:33 pm -
1 stop5h 30m
Sat 10/316:09 am -
2 stops9h 03m
Deal found 8/22![Delta logo]()
$447
This FlightHub deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” 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 11/184:15 pm -
1 stop21h 45m
Wed 11/258:00 am -
1 stop29h 30m
Deal found 8/22![WestJet logo]()
$435
This United Airlines deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/106:10 am -
Nonstop3h 40m
Mon 9/146:16 pm -
Nonstop3h 20m
Deal found 8/20![United Airlines logo]()
$441
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/147:45 am -
1 stop9h 48m
Wed 10/216:09 am -
1 stop5h 10m
Deal found 8/24![Delta logo]()
$447
This Mytrip deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” 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 9/216:55 pm -
1 stop20h 00m
Mon 9/286:30 am -
1 stop15h 43m
Deal found 8/23![Multiple Airlines logo]()
$504
This United Airlines deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” 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 10/16:10 am -
Nonstop3h 40m
Mon 10/510:04 am -
Nonstop3h 20m
Deal found 8/22![United Airlines logo]()
$441
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/147:45 am -
1 stop9h 48m
Thu 10/155:28 pm -
1 stop5h 31m
Deal found 8/24![Delta logo]()
$447
This Air Canada deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” 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 1/3012:30 pm -
1 stop10h 04m
Sat 2/611:55 am -
1 stop7h 01m
Deal found 8/23![Air Canada logo]()
$542
This Mytrip deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/1511:45 am -
3 stops27h 10m
Fri 9/186:30 am -
2 stops14h 39m
Deal found 8/23![Multiple Airlines logo]()
$512
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.
Tue 10/2010:45 am -
1 stop11h 08m
Sat 10/314:45 pm -
1 stop6h 07m
Deal found 8/24![United Airlines logo]()
$447
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/146:33 pm -
1 stop5h 30m
Fri 10/165:28 pm -
1 stop5h 31m
Deal found 8/24![Delta logo]()
$447
This Air Canada deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” 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 1/2212:30 pm -
1 stop10h 04m
Fri 1/2911:55 am -
1 stop8h 41m
Deal found 8/21![Air Canada logo]()
$543
Last-minute flights from Ontario to HoustonDiscover last-minute flight deals from Ontario to Houston. Data last updated August 25, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Houston. Data last updated August 25, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/101:20 pm -
1 stop10h 20m
Fri 9/186:30 am -
1 stop9h 45m
Deal found 8/20![WestJet logo]()
$277
This FlightHub deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1012:25 pm -
2 stops11h 15m
Mon 9/146:30 am -
1 stop9h 45m
Deal found 8/20![WestJet logo]()
$309
This FlightHub deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/101:20 pm -
1 stop10h 20m
Tue 9/152:50 pm -
1 stop27h 30m
Deal found 8/20![WestJet logo]()
$313
This Kiwi.com deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/101:20 pm -
1 stop10h 20m
Thu 9/172:50 pm -
1 stop23h 30m
Deal found 8/20![WestJet logo]()
$338
This Kiwi.com deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/118:15 pm -
1 stop18h 40m
Mon 9/146:30 am -
1 stop9h 45m
Deal found 8/20![WestJet logo]()
$310
This FlightHub deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/111:20 pm -
1 stop25h 35m
Wed 9/162:50 pm -
1 stop25h 25m
Deal found 8/20![WestJet logo]()
$344
This Kiwi.com deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” 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 9/111:30 pm -
1 stop26h 47m
Sun 9/2010:38 pm -
2 stops22h 17m
Deal found 8/23![Multiple Airlines logo]()
$374
This Justfly.com deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” 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.
Sat 9/124:15 pm -
1 stop22h 40m
Thu 9/172:50 pm -
1 stop25h 25m
Deal found 8/21![WestJet logo]()
$345
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.
Wed 9/168:15 pm -
1 stop18h 40m
Fri 9/186:30 am -
1 stop9h 45m
Deal found 8/24![WestJet logo]()
$306
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.
Wed 9/168:15 pm -
1 stop18h 40m
Mon 9/286:30 am -
1 stop9h 45m
Deal found 8/24![WestJet logo]()
$331
This Kiwi.com deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” 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 9/198:15 am -
1 stop8h 02m
Sat 9/262:50 pm -
2 stops30h 19m
Deal found 8/22![Multiple Airlines logo]()
$361
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 9/218:15 pm -
2 stops27h 15m
Mon 9/286:30 am -
1 stop9h 45m
Deal found 8/24![Multiple Airlines logo]()
$343
One-way flights from Ontario to HoustonSearch for one-way flight options from Ontario to Houston. Find affordable one-way fares based on user searches. Data last updated August 25, 2026.
Search for one-way flight options from Ontario to Houston. Find affordable one-way fares based on user searches. Data last updated August 25, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” 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 11/107:05 am -
1 stop8h 39m
Deal found 8/21![Multiple Airlines logo]()
$206
This Kiwi.com deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” 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 10/75:45 pm -
2 stops46h 00m
Deal found 8/23![Multiple Airlines logo]()
$223
This Kiwi.com deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/187:20 pm -
2 stops44h 25m
Deal found 8/20![Multiple Airlines logo]()
$227
This Kiwi.com deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” 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 10/287:05 am -
1 stop32h 39m
Deal found 8/23![Multiple Airlines logo]()
$228
This Kiwi.com deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” 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 10/56:45 am -
2 stops33h 32m
Deal found 8/22![Multiple Airlines logo]()
$235
This Mytrip deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” 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 9/246:05 am -
3 stops17h 35m
Deal found 8/21![Multiple Airlines logo]()
$236
This Kiwi.com deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” 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 10/74:15 pm -
3 stops31h 08m
Deal found 8/23![Multiple Airlines logo]()
$239
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.
Wed 11/116:45 am -
2 stops32h 59m
Deal found 8/24![Multiple Airlines logo]()
$239
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 11/167:00 am -
3 stops23h 10m
Deal found 8/24![Multiple Airlines logo]()
$241
This Kiwi.com deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” 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 9/146:30 am -
3 stops39h 44m
Deal found 8/21![Multiple Airlines logo]()
$246
This FlightHub deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” 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 9/156:10 pm -
1 stop20h 45m
Deal found 8/23![WestJet logo]()
$247
This Kiwi.com deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/166:45 am -
2 stops32h 59m
Deal found 8/20![Multiple Airlines logo]()
$248
Find flight deals from Ontario to Houston
Keep the following information in mind while searching for Ontario to Houston flight deals. Data was last updated August 25, 2026.
Round-trip from | $277 (Kiwi.com) |
|---|---|
One-way from | $206 (Kiwi.com) |
Popular in | March |
Cheapest in | October |
Average price | $482 |
Cheapflights Fare Finder
Customize your flight search to find flights from Ontario to Houston 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 25, 2026.
Use the filters below to find and compare flights from Ontario to Houston that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
OttawaHouston
YOW Ottawa - IAH Houston George Bush Intcntl
YOWIAH
Ottawa
Mon 9/21
8:15 pm-1:55 pm
1 stop18h 40m
Houston George Bush Intcntl
Mon 10/5
6:30 am-5:15 pm
1 stop9h 45m
$366
HamiltonHouston
YHM Hamilton - IAH Houston George Bush Intcntl
YHMIAH
Hamilton
Sat 9/19
8:15 am-3:17 pm
1 stop8h 02m
Houston George Bush Intcntl
Sat 9/26
2:50 pm-5:15 pm
1 stop25h 25m
$390
OttawaHouston
YOW Ottawa - IAH Houston George Bush Intcntl
YOWIAH
Ottawa
Sat 10/24
7:00 am-10:09 pm
2 stops16h 09m
Houston George Bush Intcntl
Mon 10/26
8:15 am-5:20 pm
1 stop8h 05m
$390
TorontoHouston
YTZ Toronto Island - IAH Houston George Bush Intcntl
YTZIAH
Toronto Island
Tue 9/29
9:15 am-8:06 pm
1 stop11h 51m
Houston George Bush Intcntl
Wed 9/30
9:04 pm-5:20 pm
2 stops19h 16m
$407
HamiltonHouston
YHM Hamilton - IAH Houston George Bush Intcntl
YHMIAH
Hamilton
Tue 9/15
6:10 pm-1:55 pm
1 stop20h 45m
Houston George Bush Intcntl
Fri 9/18
6:30 am-5:15 pm
1 stop9h 45m
$417
OttawaHouston
YOW Ottawa - IAH Houston George Bush Intcntl
YOWIAH
Ottawa
Wed 9/23
6:15 pm-1:55 pm
2 stops20h 40m
Houston George Bush Intcntl
Fri 10/2
6:30 am-7:20 pm
1 stop11h 50m
$417
HamiltonHouston
YHM Hamilton - IAH Houston George Bush Intcntl
YHMIAH
Hamilton
Tue 9/15
6:10 pm-1:55 pm
1 stop20h 45m
Houston George Bush Intcntl
Mon 9/28
6:30 am-5:15 pm
1 stop9h 45m
$421
Quickest round-trip
TorontoHouston
YYZ Toronto Pearson Intl - IAH Houston George Bush Intcntl
YYZIAH
Toronto Pearson Intl
Thu 10/1
6:10 am-8:50 am
Nonstop3h 40m
Houston George Bush Intcntl
Tue 10/6
6:16 pm-10:36 pm
Nonstop3h 20m
$425
OttawaHouston
YOW Ottawa - IAH Houston George Bush Intcntl
YOWIAH
Ottawa
Wed 11/18
4:15 pm-1:00 pm
1 stop21h 45m
Houston George Bush Intcntl
Wed 11/25
8:00 am-2:30 pm
1 stop29h 30m
$435
TorontoHouston
YTZ Toronto Island - IAH Houston George Bush Intcntl
YTZIAH
Toronto Island
Fri 9/25
10:20 am-7:52 pm
2 stops10h 32m
Houston George Bush Intcntl
Mon 10/5
10:00 am-5:50 pm
1 stop6h 50m
$439
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Ontario to Houston
Have a flexible travel schedule? Discover the best time to fly to Houston from Ontario with our price prediction graph.
YOW-IAH
YHM-IAH
YYZ-IAH
YYZ-HOU
YTZ-IAH
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 Ontario to Houston
CAON-HO1
YOW-IAH
YHM-IAH
YYZ-IAH
YYZ-HOU
What is the cheapest month to book a flight from Region of Ontario to Houston?
Currently, September is the cheapest month in which you can book a flight from Region of Ontario to Houston (average of $512). Flying from Region of Ontario to Houston in December is currently the most expensive (average of $610). 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 ON to HOU?
Find hourly flight availability from Ontario to Houston. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 25, 2026.
One of the essential ways to save on airfare from Region of Ontario to Houston is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the evening could potentially save you up to 19% on airfare.
How much does it cost to fly round-trip from Region of Ontario to Houston?
Airfare is below average for this route at the moment.
Region of Ontario to Houston flights typically cost between $419 and $600 in September.The cheapest round-trip price found within the last 5 days was $374 on Multiple Airlines (Sep 11-Sep 20).
How far ahead should I book a flight from Region of Ontario to Houston?
To ensure you get the cheapest price possible for a flight from Region of Ontario to Houston, you should look to book at least 78 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
Related info for your journey
Find useful and relevant information for your journey from Ontario to Houston. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
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Alternative routes for Ontario to Houston
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Houston by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Ontario to Houston by cabin class
Find flights from Ontario to Houston, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Ontario and Houston flights
Browse other Ontario and Houston flight options. Last updated on August 25, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 4 airlines flying from Ontario to Houston
Discover the top 4 airlines that operate flights from Ontario to Houston. 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 25, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$240 | Average$303 | FlexibilityNo cancel fee | On-time60% | |
| Cheapest$261 | Average$526 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$354 | Average$646 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$356 | Average$603 | FlexibilityNo cancel fee | On-time67% |