$140+ Cheap flights from Houston to Ontario
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/3. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — YYZ
Oct 9 — Oct 161
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 September 9, 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 September 9, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/4. 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.
Wed 10/148:14 am -
1 stop28h 51m
Mon 10/198:10 am -
2 stops24h 09m
Deal found 9/4![Multiple Airlines logo]()
$290
This Kiwi.com deal was found by Cheapflights users on 9/4. 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.
Thu 10/158:27 am -
1 stop11h 28m
Mon 10/199:30 am -
1 stop30h 18m
Deal found 9/4![Multiple Airlines logo]()
$294
This Kiwi.com deal was found by Cheapflights users on 9/4. 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.
Fri 10/308:18 am -
1 stop14h 37m
Fri 11/139:15 am -
2 stops27h 54m
Deal found 9/4![Multiple Airlines logo]()
$297
This Kiwi.com deal was found by Cheapflights users on 9/4. 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.
Wed 10/148:14 am -
1 stop28h 51m
Tue 10/209:50 am -
1 stop12h 48m
Deal found 9/4![Multiple Airlines logo]()
$300
This Kiwi.com deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” 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 11/265:26 pm -
1 stop20h 34m
Tue 12/19:20 am -
1 stop31h 07m
Deal found 9/8![Multiple Airlines logo]()
$303
This Kiwi.com deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” 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 11/265:26 pm -
1 stop20h 34m
Mon 11/309:20 am -
1 stop31h 07m
Deal found 9/9![Multiple Airlines logo]()
$304
This Kiwi.com deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” 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 10/28:25 am -
1 stop29h 00m
Mon 10/59:30 am -
1 stop30h 47m
Deal found 9/9![Multiple Airlines logo]()
$305
This Kiwi.com deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” 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 11/98:18 am -
1 stop13h 37m
Thu 11/127:35 am -
1 stop8h 09m
Deal found 9/9![Multiple Airlines logo]()
$306
This Kiwi.com deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” 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 10/38:25 am -
1 stop28h 40m
Mon 10/59:30 am -
1 stop30h 47m
Deal found 9/8![Multiple Airlines logo]()
$308
This Kiwi.com deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” 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 10/51:50 pm -
2 stops32h 24m
Deal found 9/9![Multiple Airlines logo]()
$311
This Kiwi.com deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” 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 10/166:30 am -
1 stop9h 45m
Mon 10/1912:25 pm -
2 stops18h 35m
Deal found 9/9![Multiple Airlines logo]()
$345
This Kiwi.com deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” 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 10/26:30 am -
1 stop9h 45m
Wed 10/148:15 pm -
2 stops16h 07m
Deal found 9/8![Multiple Airlines logo]()
$351
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 September 9, 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 September 9, 2026.
This Air Canada deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” 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.
Sun 9/2710:00 am -
1 stop8h 50m
Tue 9/2912:30 pm -
1 stop8h 22m
Deal found 9/9![Air Canada logo]()
$417
This Kiwi.com deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” 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 11/207:59 pm -
1 stop18h 07m
Tue 11/2410:35 am -
1 stop9h 29m
Deal found 9/9![Multiple Airlines logo]()
$472
This Delta deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/303:20 pm -
1 stop6h 39m
Sun 10/46:00 am -
1 stop5h 30m
Deal found 9/6![Delta logo]()
$516
This FlightHub deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/236:30 am -
1 stop9h 45m
Sun 11/13:25 pm -
1 stop31h 50m
Deal found 9/7![WestJet logo]()
$517
This United Airlines deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” 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 11/145:00 am -
2 stops9h 16m
Sat 11/212:13 pm -
2 stops9h 40m
Deal found 9/5![United Airlines logo]()
$667
This American Airlines deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” 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.
Wed 11/46:00 am -
2 stops10h 58m
Wed 11/117:00 am -
3 stops13h 39m
Deal found 9/7![American Airlines logo]()
$882
This Air Canada deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” 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 10/210:00 am -
1 stop6h 50m
Fri 10/912:20 pm -
2 stops8h 32m
Deal found 9/6![Air Canada logo]()
$483
This Kiwi.com deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” 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 10/26:50 pm -
1 stop18h 35m
Tue 10/610:50 am -
2 stops14h 53m
Deal found 9/5![Multiple Airlines logo]()
$483
This Delta deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” 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 11/203:12 pm -
1 stop7h 45m
Tue 11/245:25 pm -
1 stop6h 56m
Deal found 9/9![Delta logo]()
$516
This Air Canada deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” 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
Fri 10/912:20 pm -
2 stops8h 32m
Deal found 9/6![Air Canada logo]()
$483
This Kiwi.com deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” 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 11/28:00 am -
1 stop29h 25m
Sat 11/213:20 pm -
1 stop25h 22m
Deal found 9/8![Multiple Airlines logo]()
$504
This Delta deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” 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 10/36:00 am -
1 stop5h 19m
Tue 10/66:33 pm -
1 stop5h 30m
Deal found 9/6![Delta logo]()
$516
This Trip.com deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” 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.
Mon 10/56:30 am -
1 stop9h 45m
Tue 10/136:10 pm -
1 stop20h 45m
Deal found 9/6![WestJet logo]()
$576
This Air Canada deal was found by Cheapflights users on 9/4. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/3011:50 am -
1 stop8h 46m
Fri 11/1310:45 am -
1 stop11h 54m
Deal found 9/4![Air Canada logo]()
$507
This Delta deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” 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 10/78:05 am -
1 stop8h 13m
Wed 10/142:26 pm -
2 stops10h 29m
Deal found 9/9![Delta logo]()
$526
This Trip.com deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” 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.
Sat 9/262:50 pm -
1 stop25h 25m
Wed 9/306:10 pm -
1 stop20h 45m
Deal found 9/5![WestJet logo]()
$599
This United deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” 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.
Fri 10/96:16 pm -
Nonstop3h 20m
Sat 10/178:35 am -
Nonstop3h 32m
Deal found 9/5![Multiple Airlines logo]()
$546
This Delta deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” 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 9/282:00 pm -
1 stop8h 39m
Sat 10/34:05 pm -
2 stops8h 49m
Deal found 9/9![Delta logo]()
$526
This United deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” 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 10/85:00 am -
1 stop5h 49m
Sun 10/118:35 am -
Nonstop3h 32m
Deal found 9/5![Multiple Airlines logo]()
$555
This United Airlines deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/235:00 am -
1 stop8h 00m
Mon 12/284:45 pm -
1 stop9h 00m
Deal found 9/6![United Airlines logo]()
$766
This Delta deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/237:00 am -
2 stops10h 09m
Mon 9/281:34 pm -
1 stop8h 47m
Deal found 9/9![Delta logo]()
$526
This Trip.com deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” 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.
Wed 9/232:50 pm -
1 stop13h 45m
Thu 10/11:20 pm -
1 stop10h 20m
Deal found 9/6![WestJet logo]()
$642
This Kiwi.com deal was found by Cheapflights users on 9/4. 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.
Thu 9/248:25 am -
1 stop11h 30m
Mon 9/289:30 am -
1 stop30h 47m
Deal found 9/4![Multiple Airlines logo]()
$556
This United Airlines deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” 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 12/221:50 pm -
1 stop6h 52m
Wed 12/307:00 am -
1 stop7h 31m
Deal found 9/5![United Airlines logo]()
$766
This Delta deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” 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 9/227:00 am -
2 stops8h 13m
Sat 9/269:45 am -
1 stop5h 39m
Deal found 9/9![Delta logo]()
$526
This Air Canada deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” 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 10/2210:00 am -
1 stop6h 50m
Sun 10/2510:45 am -
1 stop11h 54m
Deal found 9/7![Air Canada logo]()
$664
This WestJet deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/302:50 pm -
1 stop13h 45m
Sat 10/34:15 pm -
1 stop31h 25m
Deal found 9/6![WestJet logo]()
$694
This United Airlines deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” 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 12/185:00 am -
1 stop8h 00m
Wed 12/234:45 pm -
1 stop9h 00m
Deal found 9/6![United Airlines logo]()
$766
This Delta deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/22:25 pm -
2 stops8h 14m
Wed 10/76:00 am -
2 stops11h 33m
Deal found 9/6![Delta logo]()
$531
This American Airlines deal was found by Cheapflights users on 9/4. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/205:06 pm -
3 stops20h 49m
Tue 10/277:00 am -
3 stops14h 05m
Deal found 9/4![American Airlines logo]()
$947
Last-minute flights from Houston to OntarioDiscover last-minute flight deals from Houston to Ontario. Data last updated September 9, 2026 and is based on user searches.
Discover last-minute flight deals from Houston to Ontario. Data last updated September 9, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” 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 10/51:50 pm -
2 stops32h 24m
Deal found 9/9![Multiple Airlines logo]()
$311
This Kiwi.com deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” 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 10/28:25 am -
1 stop29h 00m
Mon 10/59:30 am -
1 stop30h 47m
Deal found 9/9![Multiple Airlines logo]()
$305
This Kiwi.com deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” 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 10/38:25 am -
1 stop28h 40m
Mon 10/59:30 am -
1 stop30h 47m
Deal found 9/8![Multiple Airlines logo]()
$308
This Kiwi.com deal was found by Cheapflights users on 9/4. 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.
Wed 10/148:14 am -
1 stop28h 51m
Mon 10/198:10 am -
2 stops24h 09m
Deal found 9/4![Multiple Airlines logo]()
$290
This Kiwi.com deal was found by Cheapflights users on 9/4. 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.
Wed 10/148:14 am -
1 stop28h 51m
Tue 10/209:50 am -
1 stop12h 48m
Deal found 9/4![Multiple Airlines logo]()
$300
This Kiwi.com deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” 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 10/148:14 am -
1 stop28h 51m
Wed 10/217:45 am -
1 stop14h 53m
Deal found 9/8![Multiple Airlines logo]()
$313
This Kiwi.com deal was found by Cheapflights users on 9/4. 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.
Thu 10/158:27 am -
1 stop11h 28m
Mon 10/199:30 am -
1 stop30h 18m
Deal found 9/4![Multiple Airlines logo]()
$294
This Kiwi.com deal was found by Cheapflights users on 9/4. 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.
Thu 10/158:27 am -
1 stop11h 28m
Tue 10/209:50 am -
1 stop12h 48m
Deal found 9/4![Multiple Airlines logo]()
$312
This Kiwi.com deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” 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 -
2 stops10h 18m
Thu 10/227:15 am -
1 stop16h 25m
Deal found 9/9![Multiple Airlines logo]()
$401
This Kiwi.com deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” 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 10/238:14 am -
1 stop11h 41m
Fri 10/309:15 am -
2 stops37h 38m
Deal found 9/8![Multiple Airlines logo]()
$314
This Kiwi.com deal was found by Cheapflights users on 9/4. 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.
Fri 10/308:18 am -
1 stop14h 37m
Fri 11/139:15 am -
2 stops27h 54m
Deal found 9/4![Multiple Airlines logo]()
$297
This Kiwi.com deal was found by Cheapflights users on 9/4. 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.
Fri 10/308:18 am -
2 stops12h 40m
Fri 11/134:35 pm -
1 stop25h 46m
Deal found 9/4![Multiple Airlines logo]()
$390
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 September 9, 2026.
Search for one-way flight options from Houston to Ontario. Find affordable one-way fares based on user searches. Data last updated September 9, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” 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 10/38:25 am -
2 stops32h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Multiple Airlines logo]()
$140
This Kiwi.com deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” 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 10/78:25 am -
2 stops31h 42m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Multiple Airlines logo]()
$151
This Kiwi.com deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” 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 12/24:22 pm -
2 stops25h 53m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Multiple Airlines logo]()
$153
This Kiwi.com deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” 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 10/2812:19 pm -
2 stops28h 01m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Multiple Airlines logo]()
$154
This Kiwi.com deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” 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 12/74:22 pm -
2 stops25h 53m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Multiple Airlines logo]()
$154
This Kiwi.com deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” 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 12/19:59 pm -
2 stops25h 02m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Multiple Airlines logo]()
$161
This Kiwi.com deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” 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 10/149:12 pm -
3 stops44h 08m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Multiple Airlines logo]()
$166
This Kiwi.com deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” 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 10/209:12 pm -
3 stops21h 48m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Multiple Airlines logo]()
$169
This Trip.com deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” 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.
Wed 10/212:50 pm -
1 stop13h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![WestJet logo]()
$174
This Kiwi.com deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” 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 12/24:22 pm -
2 stops23h 53m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Multiple Airlines logo]()
$176
This Kiwi.com deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” 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 12/19:59 pm -
2 stops25h 36m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Multiple Airlines logo]()
$178
This Kiwi.com deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” 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 10/216:05 am -
3 stops41h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Multiple Airlines logo]()
$179
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 September 9, 2026.
Round-trip from | $290 (Kiwi.com) |
|---|---|
One-way from | $140 (Kiwi.com) |
Popular in | February |
Cheapest in | October |
Average price | $588 |
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 September 9, 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
HoustonOttawa
IAH Houston George Bush Intcntl - YOW Ottawa
IAHYOW
Houston George Bush Intcntl
Wed 10/28
12:19 pm-5:20 pm
2 stops28h 01m
Ottawa
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$154
HoustonOttawa
IAH Houston George Bush Intcntl - YOW Ottawa
IAHYOW
Houston George Bush Intcntl
Wed 10/21
2:50 pm-5:35 am
1 stop13h 45m
Ottawa
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$174
HoustonOttawa
IAH Houston George Bush Intcntl - YOW Ottawa
IAHYOW
Houston George Bush Intcntl
Wed 10/21
6:05 am-12:20 am
3 stops41h 15m
Ottawa
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$179
HoustonOttawa
IAH Houston George Bush Intcntl - YOW Ottawa
IAHYOW
Houston George Bush Intcntl
Fri 10/2
9:04 pm-5:35 pm
3 stops43h 31m
Ottawa
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$198
HoustonOttawa
IAH Houston George Bush Intcntl - YOW Ottawa
IAHYOW
Houston George Bush Intcntl
Mon 11/30
8:00 am-12:01 am
1 stop15h 01m
Ottawa
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$200
HoustonHamilton
IAH Houston George Bush Intcntl - YHM Hamilton
IAHYHM
Houston George Bush Intcntl
Sat 10/31
8:00 am-3:25 pm
1 stop30h 25m
Hamilton
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$204
HoustonMontreal
IAH Houston George Bush Intcntl - YUL Montreal Pierre Elliott Trudeau Intl
IAHYUL
Houston George Bush Intcntl
Sat 12/12
4:22 pm-11:30 am
2 stops42h 08m
Montreal Pierre Elliott Trudeau Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$213
HoustonToronto
IAH Houston George Bush Intcntl - YYZ Toronto Pearson Intl
IAHYYZ
Houston George Bush Intcntl
Sun 11/29
11:55 am-4:06 pm
Nonstop3h 11m
Toronto Pearson Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$219
HoustonOttawa
IAH Houston George Bush Intcntl - YOW Ottawa
IAHYOW
Houston George Bush Intcntl
Thu 10/22
6:05 am-7:20 pm
2 stops36h 15m
Ottawa
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$223
HoustonToronto
IAH Houston George Bush Intcntl - YTZ Toronto Island
IAHYTZ
Houston George Bush Intcntl
Tue 12/15
4:59 pm-12:52 pm
1 stop18h 53m
Toronto Island
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$227
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Houston to Ontario
Have a flexible travel schedule? Discover the best time to fly to Ontario from Houston with our price prediction graph.
IAH-YYZ
IAH-YTZ
IAH-YUL
IAH-YOW
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-YTZ
IAH-YUL
IAH-YOW
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 $589). 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 September 9, 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 October.The cheapest round-trip price found within the last 5 days was $290 on Multiple Airlines (Oct 14-Oct 19).
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 September 9, 2026.
Read reviews from past customers who have flown Delta,United Airlines, andWestJet from Houston to Ontario. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Comfort
7.8
Crew
8.5
Food
7.2
Entertainment
7.8
Overall
7.8
Reviews
1 / 20
10.0
ExcellentStacey-Ann,Aug 2023
IAH - ATL
Boarding
8.1
Comfort
7.8
Crew
8.5
Food
7.2
Entertainment
7.8
Overall
7.8
Reviews
1 / 20
10.0
ExcellentStacey-Ann,Aug 2023
IAH - ATL
Boarding
8.1
Comfort
7.8
Crew
8.5
Food
7.2
Entertainment
7.8
Overall
7.8
Reviews
1 / 20
10.0
ExcellentStacey-Ann,Aug 2023
IAH - ATL
Boarding
8.1
Comfort
7.8
Crew
8.5
Food
7.2
Entertainment
7.8
Overall
7.8
Reviews
1 / 20
10.0
ExcellentStacey-Ann,Aug 2023
IAH - ATL
Boarding
8.1
Comfort
7.8
Crew
8.5
Food
7.2
Entertainment
7.8
Overall
7.8
Reviews
1 / 20
10.0
ExcellentStacey-Ann,Aug 2023
IAH - ATL
Boarding
8.1
Comfort
7.8
Crew
8.5
Food
7.2
Entertainment
7.8
Overall
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
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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 September 9, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 4 airlines flying from Houston to Ontario
Discover the top 4 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 September 9, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$236 | Average$552 | FlexibilityNo cancel fee | On-time60% | |
| Cheapest$263 | Average$704 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$286 | Average$814 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$315 | Average$511 | FlexibilityNo cancel fee | On-time71% |