$131+ 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 3/28. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — YYZ
Apr 3 — Apr 101
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 March 4, 2026.
Explore the most affordable flight options available from Houston to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 4, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/1410:30 am
IAH
- YYZ
2 stops18h 43m
Multiple Airlines
Mon 4/206:30 am
YYZ
- IAH
1 stop16h 25m
Multiple Airlines
Deal found 3/3![Multiple Airlines logo]()
$284
This Kiwi.com deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/146:57 pm
IAH
- YUL
1 stop28h 33m
Multiple Airlines
Mon 4/208:00 am
YUL
- IAH
1 stop14h 55m
Multiple Airlines
Deal found 3/3![Multiple Airlines logo]()
$285
This Kiwi.com deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/162:29 pm
IAH
- YUL
2 stops31h 16m
Multiple Airlines
Mon 4/208:00 am
YUL
- IAH
1 stop14h 55m
Multiple Airlines
Deal found 3/3![Multiple Airlines logo]()
$286
This Kiwi.com deal was found by Cheapflights users on 3/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/14:20 pm
IAH
- YYZ
1 stop21h 00m
Multiple Airlines
Wed 4/87:20 am
YYZ
- IAH
1 stop8h 42m
Multiple Airlines
Deal found 3/2![Multiple Airlines logo]()
$286
This Mytrip deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/15:15 am
IAH
- YYZ
2 stops17h 05m
Multiple Airlines
Tue 4/73:40 pm
YYZ
- IAH
2 stops19h 38m
Multiple Airlines
Deal found 3/3![Multiple Airlines logo]()
$287
This Kiwi.com deal was found by Cheapflights users on 2/28. 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 4/169:46 am
IAH
- YYZ
1 stop27h 19m
Multiple Airlines
Mon 4/2011:15 am
YYZ
- IAH
1 stop11h 40m
Multiple Airlines
Deal found 2/28![Multiple Airlines logo]()
$291
This Kiwi.com deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/79:47 pm
IAH
- YYZ
2 stops20h 49m
Multiple Airlines
Thu 4/93:40 pm
YYZ
- IAH
1 stop27h 33m
Multiple Airlines
Deal found 3/3![Multiple Airlines logo]()
$292
This Kiwi.com deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/156:44 pm
IAH
- YYZ
1 stop15h 51m
Multiple Airlines
Mon 4/206:30 am
YYZ
- IAH
1 stop16h 25m
Multiple Airlines
Deal found 3/3![Multiple Airlines logo]()
$294
This Kiwi.com deal was found by Cheapflights users on 3/4. 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 3/259:15 pm
IAH
- YYZ
1 stop13h 11m
Multiple Airlines
Fri 3/2711:15 am
YYZ
- IAH
1 stop29h 41m
Multiple Airlines
Deal found 3/4![Multiple Airlines logo]()
$295
This Kiwi.com deal was found by Cheapflights users on 3/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/259:15 pm
IAH
- YYZ
1 stop13h 11m
Multiple Airlines
Mon 3/307:15 am
YYZ
- IAH
1 stop27h 30m
Multiple Airlines
Deal found 3/1![Multiple Airlines logo]()
$296
This Mytrip deal was found by Cheapflights users on 3/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/15:15 am
IAH
- YYZ
2 stops17h 05m
Multiple Airlines
Sun 4/57:10 am
YYZ
- IAH
1 stop16h 27m
Multiple Airlines
Deal found 3/1![Multiple Airlines logo]()
$297
This Kiwi.com deal was found by Cheapflights users on 3/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/259:15 pm
IAH
- YYZ
1 stop13h 11m
Multiple Airlines
Tue 3/317:15 am
YYZ
- IAH
1 stop14h 05m
Multiple Airlines
Deal found 3/1![Multiple Airlines logo]()
$298
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 March 4, 2026.
Discover carefully curated flight deals from Houston to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 4, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/27. 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.
Mon 4/209:22 am
IAH
- YTZ
1 stop27h 20m
Multiple Airlines
Fri 4/243:45 pm
YTZ
- IAH
1 stop8h 59m
Multiple Airlines
Deal found 2/27![Multiple Airlines logo]()
$312
This Trip.com deal was found by Cheapflights users on 2/28. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/86:20 pm
IAH
- YKF
1 stop10h 09m
WestJet
Sat 4/117:00 pm
YKF
- IAH
1 stop23h 30m
WestJet
Deal found 2/28![WestJet logo]()
$380
This Delta deal was found by Cheapflights users on 2/27. 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.
Sat 5/304:50 pm
IAH
- YUL
1 stop14h 49m
Delta
Fri 6/267:45 pm
YUL
- IAH
1 stop14h 36m
Delta
Deal found 2/27![Delta logo]()
$463
This United Airlines deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/56:05 pm
IAH
- YYZ
1 stop18h 17m
United Airlines
Wed 5/65:20 pm
YYZ
- IAH
1 stop9h 39m
United Airlines
Deal found 3/3![United Airlines logo]()
$584
This Alaska Airlines deal was found by Cheapflights users on 3/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/16:00 am
IAH
- YYZ
1 stop32h 45m
Alaska Airlines
Fri 6/54:55 pm
YYZ
- IAH
1 stop14h 28m
Alaska Airlines
Deal found 3/1![Alaska Airlines logo]()
$584
This Kiwi.com deal was found by Cheapflights users on 2/28. 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.
Tue 4/147:05 am
IAH
- YTZ
1 stop10h 50m
Multiple Airlines
Tue 4/219:25 am
YTZ
- IAH
2 stops14h 25m
Multiple Airlines
Deal found 2/28![Multiple Airlines logo]()
$323
This American Airlines deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/228:21 pm
HOU
- YUL
1 stop17h 23m
American Airlines
Fri 4/243:45 pm
YUL
- HOU
1 stop9h 02m
American Airlines
Deal found 3/3![American Airlines logo]()
$646
This Kiwi.com deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/101:27 pm
IAH
- YTZ
1 stop25h 10m
Multiple Airlines
Fri 4/176:15 pm
YTZ
- IAH
1 stop28h 35m
Multiple Airlines
Deal found 3/3![Multiple Airlines logo]()
$331
This FlightHub deal was found by Cheapflights users on 3/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/122:50 pm
IAH
- YKF
1 stop28h 00m
WestJet
Mon 5/258:40 pm
YKF
- IAH
1 stop18h 15m
WestJet
Deal found 3/1![WestJet logo]()
$393
This Kiwi.com deal was found by Cheapflights users on 2/27. 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.
Sun 5/106:58 pm
IAH
- YTZ
1 stop12h 02m
Multiple Airlines
Tue 5/121:40 pm
YTZ
- IAH
1 stop9h 24m
Multiple Airlines
Deal found 2/27![Multiple Airlines logo]()
$342
This FlightHub deal was found by Cheapflights users on 2/28. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/26:30 am
IAH
- YKF
1 stop12h 20m
WestJet
Tue 6/98:40 pm
YKF
- IAH
1 stop18h 15m
WestJet
Deal found 2/28![WestJet logo]()
$405
This Delta deal was found by Cheapflights users on 2/27. 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.
Sat 5/304:50 pm
IAH
- YUL
1 stop14h 49m
Delta
Sat 6/279:28 am
YUL
- IAH
1 stop24h 53m
Delta
Deal found 2/27![Delta logo]()
$463
This Kiwi.com deal was found by Cheapflights users on 2/27. 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.
Fri 3/277:05 am
IAH
- YTZ
1 stop8h 20m
Multiple Airlines
Sun 3/292:30 pm
YTZ
- IAH
1 stop23h 28m
Multiple Airlines
Deal found 2/27![Multiple Airlines logo]()
$349
This oojo deal was found by Cheapflights users on 2/28. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/26:30 am
IAH
- YHM
1 stop9h 45m
WestJet
Tue 6/96:10 pm
YHM
- IAH
1 stop20h 45m
WestJet
Deal found 2/28![WestJet logo]()
$409
This oojo deal was found by Cheapflights users on 2/27. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/26:30 am
IAH
- YHM
1 stop9h 45m
WestJet
Thu 6/46:10 pm
YHM
- IAH
1 stop20h 45m
WestJet
Deal found 2/27![WestJet logo]()
$418
This Kiwi.com deal was found by Cheapflights users on 3/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/257:05 am
IAH
- YTZ
1 stop10h 50m
Multiple Airlines
Mon 3/307:45 am
YTZ
- IAH
1 stop8h 42m
Multiple Airlines
Deal found 3/1![Multiple Airlines logo]()
$390
This Delta deal was found by Cheapflights users on 3/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/276:05 pm
IAH
- YYZ
1 stop14h 23m
Delta
Wed 4/17:50 am
YYZ
- IAH
1 stop10h 19m
Delta
Deal found 3/1![Delta logo]()
$521
This United Airlines deal was found by Cheapflights users on 2/28. 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.
Mon 3/302:45 pm
IAH
- YUL
1 stop6h 21m
United Airlines
Sun 4/56:00 am
YUL
- IAH
1 stop8h 35m
United Airlines
Deal found 2/28![United Airlines logo]()
$624
This oojo deal was found by Cheapflights users on 2/27. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/22:50 pm
IAH
- YKF
1 stop28h 00m
WestJet
Thu 6/48:40 pm
YKF
- IAH
1 stop18h 15m
WestJet
Deal found 2/27![WestJet logo]()
$430
This Alaska Airlines deal was found by Cheapflights users on 3/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/15:57 pm
IAH
- YYZ
2 stops20h 48m
Alaska Airlines
Sat 6/64:55 pm
YYZ
- IAH
2 stops21h 51m
Alaska Airlines
Deal found 3/1![Alaska Airlines logo]()
$632
This Delta deal was found by Cheapflights users on 2/27. 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 5/810:30 am
IAH
- YYZ
1 stop9h 49m
Delta
Thu 5/1412:29 pm
YYZ
- IAH
1 stop6h 21m
Delta
Deal found 2/27![Delta logo]()
$530
This Mytrip deal was found by Cheapflights users on 2/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/204:30 pm
IAH
- YTZ
3 stops18h 25m
Multiple Airlines
Sun 3/294:30 pm
YTZ
- IAH
2 stops18h 48m
Multiple Airlines
Deal found 2/27![Multiple Airlines logo]()
$416
This United Airlines deal was found by Cheapflights users on 2/28. 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.
Sun 3/296:00 am
IAH
- YUL
1 stop6h 09m
United Airlines
Fri 4/36:35 pm
YUL
- IAH
1 stop6h 55m
United Airlines
Deal found 2/28![United Airlines logo]()
$624
This oojo deal was found by Cheapflights users on 2/27. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/72:50 pm
IAH
- YKF
1 stop28h 00m
WestJet
Mon 5/118:40 pm
YKF
- IAH
1 stop18h 15m
WestJet
Deal found 2/27![WestJet logo]()
$432
This Delta deal was found by Cheapflights users on 3/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/304:50 pm
IAH
- YYZ
1 stop15h 20m
Delta
Sun 6/79:45 am
YYZ
- IAH
1 stop5h 54m
Delta
Deal found 3/1![Delta logo]()
$558
This United Airlines deal was found by Cheapflights users on 2/28. 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.
Sun 3/296:00 am
IAH
- YUL
1 stop6h 09m
United Airlines
Sat 4/411:23 am
YUL
- IAH
1 stop6h 50m
United Airlines
Deal found 2/28![United Airlines logo]()
$624
This oojo deal was found by Cheapflights users on 2/28. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/42:50 pm
IAH
- YKF
1 stop28h 00m
WestJet
Sun 6/78:40 pm
YKF
- IAH
1 stop18h 15m
WestJet
Deal found 2/28![WestJet logo]()
$452
This Mytrip deal was found by Cheapflights users on 3/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/165:45 am
IAH
- YHM
1 stop8h 15m
Multiple Airlines
Wed 3/187:25 am
YHM
- IAH
2 stops27h 53m
Multiple Airlines
Deal found 3/2![Multiple Airlines logo]()
$456
This Delta deal was found by Cheapflights users on 2/27. 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.
Sun 5/319:52 am
IAH
- YUL
1 stop6h 50m
Delta
Thu 6/49:30 am
YUL
- IAH
1 stop13h 13m
Delta
Deal found 2/27![Delta logo]()
$559
This United Airlines deal was found by Cheapflights users on 3/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/256:20 am
IAH
- YYZ
1 stop9h 14m
United Airlines
Sat 3/283:45 pm
YYZ
- IAH
Nonstop4h 00m
United Airlines
Deal found 3/1![United Airlines logo]()
$666
Last-minute flights from Houston to OntarioDiscover last-minute flight deals from Houston to Ontario. Data last updated March 4, 2026 and is based on user searches.
Discover last-minute flight deals from Houston to Ontario. Data last updated March 4, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 3/4. 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 3/259:15 pm
IAH
- YYZ
1 stop13h 11m
Multiple Airlines
Fri 3/2711:15 am
YYZ
- IAH
1 stop29h 41m
Multiple Airlines
Deal found 3/4![Multiple Airlines logo]()
$295
This Kiwi.com deal was found by Cheapflights users on 3/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/259:15 pm
IAH
- YYZ
1 stop13h 11m
Multiple Airlines
Mon 3/307:15 am
YYZ
- IAH
1 stop27h 30m
Multiple Airlines
Deal found 3/1![Multiple Airlines logo]()
$296
This Kiwi.com deal was found by Cheapflights users on 3/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/259:15 pm
IAH
- YYZ
1 stop13h 11m
Multiple Airlines
Tue 3/317:15 am
YYZ
- IAH
1 stop14h 05m
Multiple Airlines
Deal found 3/1![Multiple Airlines logo]()
$298
This Kiwi.com deal was found by Cheapflights users on 3/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/14:20 pm
IAH
- YYZ
1 stop21h 00m
Multiple Airlines
Wed 4/87:20 am
YYZ
- IAH
1 stop8h 42m
Multiple Airlines
Deal found 3/2![Multiple Airlines logo]()
$286
This Mytrip deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/15:15 am
IAH
- YYZ
2 stops17h 05m
Multiple Airlines
Tue 4/73:40 pm
YYZ
- IAH
2 stops19h 38m
Multiple Airlines
Deal found 3/3![Multiple Airlines logo]()
$287
This Mytrip deal was found by Cheapflights users on 3/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/15:15 am
IAH
- YYZ
2 stops17h 05m
Multiple Airlines
Sun 4/57:10 am
YYZ
- IAH
1 stop16h 27m
Multiple Airlines
Deal found 3/1![Multiple Airlines logo]()
$297
This Kiwi.com deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/79:47 pm
IAH
- YYZ
2 stops20h 49m
Multiple Airlines
Thu 4/93:40 pm
YYZ
- IAH
1 stop27h 33m
Multiple Airlines
Deal found 3/3![Multiple Airlines logo]()
$292
This Kiwi.com deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/1410:30 am
IAH
- YYZ
2 stops18h 43m
Multiple Airlines
Mon 4/206:30 am
YYZ
- IAH
1 stop16h 25m
Multiple Airlines
Deal found 3/3![Multiple Airlines logo]()
$284
This Kiwi.com deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/146:57 pm
IAH
- YUL
1 stop28h 33m
Multiple Airlines
Mon 4/208:00 am
YUL
- IAH
1 stop14h 55m
Multiple Airlines
Deal found 3/3![Multiple Airlines logo]()
$285
This Kiwi.com deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/156:44 pm
IAH
- YYZ
1 stop15h 51m
Multiple Airlines
Mon 4/206:30 am
YYZ
- IAH
1 stop16h 25m
Multiple Airlines
Deal found 3/3![Multiple Airlines logo]()
$294
This Kiwi.com deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/162:29 pm
IAH
- YUL
2 stops31h 16m
Multiple Airlines
Mon 4/208:00 am
YUL
- IAH
1 stop14h 55m
Multiple Airlines
Deal found 3/3![Multiple Airlines logo]()
$286
This Kiwi.com deal was found by Cheapflights users on 2/28. 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 4/169:46 am
IAH
- YYZ
1 stop27h 19m
Multiple Airlines
Mon 4/2011:15 am
YYZ
- IAH
1 stop11h 40m
Multiple Airlines
Deal found 2/28![Multiple Airlines logo]()
$291
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 March 4, 2026.
Search for one-way flight options from Houston to Ontario. Find affordable one-way fares based on user searches. Data last updated March 4, 2026.
This Trip.com deal was found by Cheapflights users on 2/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/288:24 am
IAH
- YUL
1 stop15h 06m
Multiple Airlines
Deal found 2/27![Multiple Airlines logo]()
$131
This Kiwi.com deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/115:15 am
IAH
- YUL
3 stops40h 30m
Multiple Airlines
Deal found 3/3![Multiple Airlines logo]()
$141
This Kiwi.com deal was found by Cheapflights users on 3/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/239:46 am
IAH
- YUL
1 stop28h 24m
Multiple Airlines
Deal found 3/1![Multiple Airlines logo]()
$142
This Kiwi.com deal was found by Cheapflights users on 3/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/16:46 am
IAH
- YUL
2 stops16h 49m
Multiple Airlines
Deal found 3/2![Multiple Airlines logo]()
$158
This Kiwi.com deal was found by Cheapflights users on 2/27. 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.
Mon 5/44:02 pm
IAH
- YTZ
2 stops20h 03m
Multiple Airlines
Deal found 2/27![Multiple Airlines logo]()
$158
This Kiwi.com deal was found by Cheapflights users on 2/27. 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.
Tue 5/56:00 am
IAH
- YYZ
2 stops15h 05m
Multiple Airlines
Deal found 2/27![Multiple Airlines logo]()
$158
This Kiwi.com deal was found by Cheapflights users on 3/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/173:31 pm
IAH
- YTZ
2 stops29h 17m
Multiple Airlines
Deal found 3/2![Multiple Airlines logo]()
$159
This Kiwi.com deal was found by Cheapflights users on 3/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/307:05 am
IAH
- YTZ
2 stops11h 58m
Multiple Airlines
Deal found 3/2![Multiple Airlines logo]()
$160
This Kiwi.com deal was found by Cheapflights users on 3/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/125:15 am
IAH
- YYZ
2 stops17h 05m
Multiple Airlines
Deal found 3/1![Multiple Airlines logo]()
$161
This Kiwi.com deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/174:46 pm
IAH
- YYZ
2 stops17h 49m
Multiple Airlines
Deal found 3/3![Multiple Airlines logo]()
$162
This Kiwi.com deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/135:15 am
IAH
- YUL
3 stops34h 15m
Multiple Airlines
Deal found 3/3![Multiple Airlines logo]()
$163
This Kiwi.com deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/15:53 pm
IAH
- YTZ
3 stops25h 10m
Multiple Airlines
Deal found 3/3![Multiple Airlines logo]()
$163
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 March 4, 2026.
Round-trip from | $284 (Kiwi.com) |
|---|---|
One-way from | $131 (Trip.com) |
Popular in | December |
Cheapest in | April |
Average price | $586 |
Cheapflights Fare Finder
Customize your flight search to find flights from Houston to Ontario that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 4, 2026.
Use the filters below to find and compare flights from Houston to Ontario that are best for you.
Fly from
Fly to
Route
Depart
Return
HoustonToronto
IAH - YTZ
IAHYTZ
Houston George Bush Intcntl
Mon 4/20
9:22 am-1:42 pm
1 stop27h 20m
Toronto Island
Fri 4/24
3:45 pm-11:44 pm
1 stop8h 59m
$312
HoustonToronto
IAH - YTZ
IAHYTZ
Houston George Bush Intcntl
Tue 4/14
7:05 am-6:55 pm
1 stop10h 50m
Toronto Island
Tue 4/21
9:25 am-10:50 pm
2 stops14h 25m
$323
HoustonToronto
IAH - YTZ
IAHYTZ
Houston George Bush Intcntl
Fri 4/10
1:27 pm-3:37 pm
1 stop25h 10m
Toronto Island
Fri 4/17
6:15 pm-9:50 pm
1 stop28h 35m
$331
HoustonToronto
IAH - YTZ
IAHYTZ
Houston George Bush Intcntl
Sun 5/10
6:58 pm-8:00 am
1 stop12h 02m
Toronto Island
Tue 5/12
1:40 pm-10:04 pm
1 stop9h 24m
$342
HoustonToronto
IAH - YTZ
IAHYTZ
Houston George Bush Intcntl
Fri 3/27
7:05 am-4:25 pm
1 stop8h 20m
Toronto Island
Sun 3/29
2:30 pm-12:58 pm
1 stop23h 28m
$349
HoustonToronto
IAH - YKF
IAHYKF
Houston George Bush Intcntl
Wed 4/8
6:20 pm-5:29 am
1 stop10h 09m
Toronto Region of Waterloo Intl
Sat 4/11
7:00 pm-5:30 pm
1 stop23h 30m
$380
HoustonToronto
IAH - YTZ
IAHYTZ
Houston George Bush Intcntl
Wed 3/25
7:05 am-6:55 pm
1 stop10h 50m
Toronto Island
Mon 3/30
7:45 am-3:27 pm
1 stop8h 42m
$390
HoustonToronto
IAH - YKF
IAHYKF
Houston George Bush Intcntl
Tue 5/12
2:50 pm-7:50 pm
1 stop28h 00m
Toronto Region of Waterloo Intl
Mon 5/25
8:40 pm-1:55 pm
1 stop18h 15m
$393
HoustonToronto
IAH - YKF
IAHYKF
Houston George Bush Intcntl
Tue 6/2
6:30 am-7:50 pm
1 stop12h 20m
Toronto Region of Waterloo Intl
Tue 6/9
8:40 pm-1:55 pm
1 stop18h 15m
$405
HoustonHamilton
IAH - YHM
IAHYHM
Houston George Bush Intcntl
Tue 6/2
6:30 am-5:15 pm
1 stop9h 45m
Hamilton
Tue 6/9
6:10 pm-1:55 pm
1 stop20h 45m
$409
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
HOU-YYZ
IAH-YTZ
IAH-YKF
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
HOU-YYZ
IAH-YTZ
What is the cheapest month to book a flight from Houston to Region of Ontario?
Currently, November is the cheapest month in which you can book a flight from Houston to Region of Ontario (average of $118). Flying from Houston to Region of Ontario in September is currently the most expensive (average of $278). 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 March 4, 2026.
When flying from Houston to Region of Ontario, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
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 March 4, 2026.
Read reviews from past customers who have flown Delta, United Airlines, and WestJet from Houston to Ontario. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
7.2
Comfort
7.9
Crew
8.5
Entertainment
7.8
Overall
7.9
Boarding
8.1
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Food
7.2
Comfort
7.9
Crew
8.5
Entertainment
7.8
Overall
7.9
Boarding
8.1
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Food
7.2
Comfort
7.9
Crew
8.5
Entertainment
7.8
Overall
7.9
Boarding
8.1
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Food
7.2
Comfort
7.9
Crew
8.5
Entertainment
7.8
Overall
7.9
Boarding
8.1
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Food
7.2
Comfort
7.9
Crew
8.5
Entertainment
7.8
Overall
7.9
Boarding
8.1
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Food
7.2
Comfort
7.9
Crew
8.5
Entertainment
7.8
Overall
7.9
Boarding
8.1
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Related info for your journey
Find useful and relevant information for your journey from Houston to Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Houston to Ontario
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Ontario by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Houston to Ontario by cabin class
Find flights from Houston to Ontario, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Houston and Ontario flights
Browse other Houston and Ontario flight options. Last updated on March 4, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Houston to Ontario flights
Consider these flights traveling from Houston to Ontario.
Top 5 airlines flying from Houston to Ontario
Discover the top 5 airlines that operate flights from Houston to Ontario. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 4, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$209 | Average$498 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$236 | Average$553 | FlexibilityNo cancel fee | On-time60% | |
| Cheapest$254 | Average$635 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$255 | Average$759 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$453 | Average$488 | FlexibilityNo cancel fee | On-time71% |