$121+ 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 5/5. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — YYZ
May 7 — May 141
Round-trip
1 adult, Economy
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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 April 7, 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 April 7, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/7. 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.
Thu 5/288:29 am
IAH
- YYZ
1 stop11h 26m
Multiple Airlines
Tue 6/210:50 am
YYZ
- IAH
2 stops26h 43m
Multiple Airlines
Deal found 4/7![Multiple Airlines logo]()
$286
This Kiwi.com deal was found by Cheapflights users on 4/5. 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.
Wed 5/135:29 pm
IAH
- YTZ
1 stop13h 31m
Multiple Airlines
Sun 5/178:55 am
YTZ
- IAH
1 stop27h 55m
Multiple Airlines
Deal found 4/5![Multiple Airlines logo]()
$289
This Kiwi.com deal was found by Cheapflights users on 4/3. 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 6/29:00 pm
IAH
- YYZ
2 stops32h 55m
Multiple Airlines
Mon 6/87:45 am
YYZ
- IAH
1 stop26h 02m
Multiple Airlines
Deal found 4/3![Multiple Airlines logo]()
$289
This Kiwi.com deal was found by Cheapflights users on 4/6. 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.
Mon 4/203:24 pm
IAH
- YYZ
1 stop26h 41m
Multiple Airlines
Wed 4/2211:15 am
YYZ
- IAH
1 stop28h 56m
Multiple Airlines
Deal found 4/6![Multiple Airlines logo]()
$290
This Kiwi.com deal was found by Cheapflights users on 4/4. 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 4/243:31 pm
IAH
- YTZ
1 stop19h 09m
Multiple Airlines
Sun 4/262:30 pm
YTZ
- IAH
1 stop18h 57m
Multiple Airlines
Deal found 4/4![Multiple Airlines logo]()
$292
This Kiwi.com deal was found by Cheapflights users on 4/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/56:30 am
IAH
- YYZ
2 stops38h 25m
Multiple Airlines
Sun 5/106:30 am
YYZ
- IAH
1 stop9h 33m
Multiple Airlines
Deal found 4/2![Multiple Airlines logo]()
$292
This Kiwi.com deal was found by Cheapflights users on 4/3. 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 5/61:28 pm
IAH
- YYZ
2 stops15h 17m
Multiple Airlines
Wed 5/277:45 am
YYZ
- IAH
1 stop12h 04m
Multiple Airlines
Deal found 4/3![Multiple Airlines logo]()
$294
This Kiwi.com deal was found by Cheapflights users on 4/3. 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 5/269:00 pm
IAH
- YYZ
2 stops31h 45m
Multiple Airlines
Mon 6/87:45 am
YYZ
- IAH
1 stop26h 02m
Multiple Airlines
Deal found 4/3![Multiple Airlines logo]()
$295
This Kiwi.com deal was found by Cheapflights users on 4/3. 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 4/203:24 pm
IAH
- YYZ
1 stop26h 41m
Multiple Airlines
Fri 4/248:30 pm
YYZ
- IAH
1 stop22h 11m
Multiple Airlines
Deal found 4/3![Multiple Airlines logo]()
$296
This Kiwi.com deal was found by Cheapflights users on 4/3. 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 6/257:15 pm
IAH
- YTZ
1 stop11h 45m
Multiple Airlines
Tue 6/308:50 am
YTZ
- IAH
1 stop13h 07m
Multiple Airlines
Deal found 4/3![Multiple Airlines logo]()
$297
This Kiwi.com deal was found by Cheapflights users on 4/4. 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 4/239:46 am
IAH
- YYZ
1 stop28h 34m
Multiple Airlines
Tue 4/286:30 am
YYZ
- IAH
1 stop17h 17m
Multiple Airlines
Deal found 4/4![Multiple Airlines logo]()
$297
This Kiwi.com deal was found by Cheapflights users on 4/3. 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 5/56:30 am
IAH
- YYZ
2 stops38h 25m
Multiple Airlines
Wed 5/134:50 pm
YYZ
- IAH
1 stop17h 00m
Multiple Airlines
Deal found 4/3![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 April 7, 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 April 7, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/2. 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 6/18:50 pm
IAH
- YUL
2 stops40h 18m
Multiple Airlines
Mon 6/87:15 pm
YUL
- IAH
1 stop20h 59m
Multiple Airlines
Deal found 4/2![Multiple Airlines logo]()
$366
This Trip.com deal was found by Cheapflights users on 4/7. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/226:30 am
IAH
- YHM
1 stop9h 45m
WestJet
Wed 6/246:10 pm
YHM
- IAH
1 stop20h 45m
WestJet
Deal found 4/7![WestJet logo]()
$489
This Delta deal was found by Cheapflights users on 4/7. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/286:09 pm
IAH
- YUL
1 stop13h 31m
Delta
Sat 5/29:30 am
YUL
- IAH
1 stop10h 03m
Delta
Deal found 4/7![Delta logo]()
$507
This United Airlines deal was found by Cheapflights users on 4/4. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/26:10 am
IAH
- YTZ
1 stop9h 31m
United Airlines
Thu 6/47:25 am
YTZ
- IAH
1 stop10h 36m
United Airlines
Deal found 4/4![United Airlines logo]()
$571
This Air Canada deal was found by Cheapflights users on 4/2. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/2010:00 am
IAH
- YTZ
1 stop10h 31m
Air Canada
Tue 6/2312:30 pm
YTZ
- IAH
1 stop8h 08m
Air Canada
Deal found 4/2![Air Canada logo]()
$616
This Mytrip deal was found by Cheapflights users on 4/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/111:39 am
IAH
- YTZ
2 stops20h 56m
Multiple Airlines
Sun 5/38:25 am
YTZ
- IAH
1 stop16h 34m
Multiple Airlines
Deal found 4/3![Multiple Airlines logo]()
$368
This Kiwi.com deal was found by Cheapflights users on 4/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/286:50 am
IAH
- YTZ
1 stop7h 15m
Multiple Airlines
Wed 6/38:25 am
YTZ
- IAH
1 stop7h 49m
Multiple Airlines
Deal found 4/2![Multiple Airlines logo]()
$373
This FlightHub deal was found by Cheapflights users on 4/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/166:30 am
IAH
- YHM
1 stop9h 45m
WestJet
Thu 6/186:10 pm
YHM
- IAH
1 stop20h 45m
WestJet
Deal found 4/2![WestJet logo]()
$499
This United Airlines deal was found by Cheapflights users on 4/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/710:45 pm
IAH
- YYZ
1 stop12h 04m
United Airlines
Fri 5/159:00 pm
YYZ
- IAH
1 stop12h 29m
United Airlines
Deal found 4/3![United Airlines logo]()
$581
This Delta deal was found by Cheapflights users on 4/5. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/136:00 am
HOU
- YYZ
1 stop5h 19m
Delta
Tue 5/197:45 am
YYZ
- HOU
1 stop5h 26m
Delta
Deal found 4/5![Delta logo]()
$604
This Mytrip deal was found by Cheapflights users on 4/3. 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.
Mon 6/226:30 am
IAH
- YKF
1 stop12h 20m
WestJet
Wed 6/248:40 pm
YKF
- IAH
1 stop18h 15m
WestJet
Deal found 4/3![WestJet logo]()
$558
This Air Canada deal was found by Cheapflights users on 4/2. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/27:20 am
IAH
- YUL
1 stop8h 01m
Air Canada
Sat 5/94:30 pm
YUL
- IAH
Nonstop4h 29m
Air Canada
Deal found 4/2![Air Canada logo]()
$646
This United Airlines deal was found by Cheapflights users on 4/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/306:35 pm
IAH
- YTZ
1 stop13h 59m
United Airlines
Mon 5/46:10 pm
YTZ
- IAH
1 stop17h 37m
United Airlines
Deal found 4/3![United Airlines logo]()
$600
This Kiwi.com deal was found by Cheapflights users on 4/3. 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 5/188:50 pm
IAH
- YHM
2 stops49h 23m
Multiple Airlines
Mon 5/258:15 am
YHM
- IAH
1 stop16h 21m
Multiple Airlines
Deal found 4/3![Multiple Airlines logo]()
$551
This Delta deal was found by Cheapflights users on 4/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/44:28 pm
IAH
- YYZ
1 stop6h 30m
Delta
Sun 6/76:30 am
YYZ
- IAH
2 stops8h 55m
Delta
Deal found 4/3![Delta logo]()
$613
This Justfly.com deal was found by Cheapflights users on 4/5. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/316:30 am
IAH
- YKF
1 stop12h 20m
WestJet
Wed 8/58:40 pm
YKF
- IAH
1 stop18h 15m
WestJet
Deal found 4/5![WestJet logo]()
$565
This United Airlines deal was found by Cheapflights users on 4/3. 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.
Wed 4/2912:48 pm
IAH
- YTZ
2 stops19h 46m
United Airlines
Sun 5/37:25 am
YTZ
- IAH
1 stop28h 22m
United Airlines
Deal found 4/3![United Airlines logo]()
$605
This Delta deal was found by Cheapflights users on 4/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/2810:53 am
HOU
- YYZ
2 stops9h 22m
Delta
Thu 4/307:45 am
YYZ
- HOU
1 stop5h 55m
Delta
Deal found 4/2![Delta logo]()
$613
This Trip.com deal was found by Cheapflights users on 4/4. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/176:30 am
IAH
- YKF
1 stop12h 20m
WestJet
Mon 7/208:40 pm
YKF
- IAH
1 stop18h 15m
WestJet
Deal found 4/4![WestJet logo]()
$571
This Delta deal was found by Cheapflights users on 4/4. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/75:02 pm
HOU
- YYZ
1 stop5h 56m
Delta
Tue 5/1210:00 am
YYZ
- HOU
2 stops13h 26m
Delta
Deal found 4/4![Delta logo]()
$613
This United Airlines deal was found by Cheapflights users on 4/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/166:10 am
IAH
- YTZ
1 stop9h 31m
United Airlines
Thu 6/1810:45 am
YTZ
- IAH
1 stop11h 07m
United Airlines
Deal found 4/2![United Airlines logo]()
$616
This Trip.com deal was found by Cheapflights users on 4/4. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/16:30 am
IAH
- YKF
1 stop12h 20m
WestJet
Sun 7/58:40 pm
YKF
- IAH
1 stop18h 15m
WestJet
Deal found 4/4![WestJet logo]()
$579
This Delta deal was found by Cheapflights users on 4/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/306:00 am
HOU
- YYZ
1 stop5h 19m
Delta
Thu 5/72:20 pm
YYZ
- HOU
2 stops9h 06m
Delta
Deal found 4/3![Delta logo]()
$614
This Mytrip deal was found by Cheapflights users on 4/5. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/16:30 am
IAH
- YKF
1 stop12h 20m
Multiple Airlines
Fri 9/46:10 am
YKF
- IAH
3 stops41h 30m
Multiple Airlines
Deal found 4/5![Multiple Airlines logo]()
$680
This United Airlines deal was found by Cheapflights users on 4/5. 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.
Fri 4/244:20 pm
IAH
- YUL
1 stop15h 18m
United Airlines
Tue 4/286:10 am
YUL
- IAH
1 stop10h 39m
United Airlines
Deal found 4/5![United Airlines logo]()
$625
This Trip.com deal was found by Cheapflights users on 4/6. 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 7/16:30 am
IAH
- YKF
1 stop12h 20m
WestJet
Wed 7/88:40 pm
YKF
- IAH
1 stop18h 15m
WestJet
Deal found 4/6![WestJet logo]()
$580
This Delta deal was found by Cheapflights users on 4/4. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/191:06 pm
HOU
- YYZ
1 stop9h 52m
Delta
Tue 5/266:00 am
YYZ
- HOU
2 stops11h 09m
Delta
Deal found 4/4![Delta logo]()
$614
This United Airlines deal was found by Cheapflights users on 4/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/184:20 pm
IAH
- YUL
1 stop15h 18m
United Airlines
Tue 4/216:45 am
YUL
- IAH
1 stop9h 51m
United Airlines
Deal found 4/2![United Airlines logo]()
$631
This Mytrip deal was found by Cheapflights users on 4/5. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/186:30 am
IAH
- YHM
1 stop15h 43m
Multiple Airlines
Tue 6/236:15 am
YHM
- IAH
2 stops17h 25m
Multiple Airlines
Deal found 4/5![Multiple Airlines logo]()
$717
This Delta deal was found by Cheapflights users on 4/5. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/45:24 am
IAH
- YYZ
2 stops9h 51m
Delta
Mon 5/1112:09 pm
YYZ
- IAH
2 stops8h 51m
Delta
Deal found 4/5![Delta logo]()
$619
Last-minute flights from Houston to OntarioDiscover last-minute flight deals from Houston to Ontario. Data last updated April 7, 2026 and is based on user searches.
Discover last-minute flight deals from Houston to Ontario. Data last updated April 7, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 4/6. 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.
Mon 4/203:24 pm
IAH
- YYZ
1 stop26h 41m
Multiple Airlines
Wed 4/2211:15 am
YYZ
- IAH
1 stop28h 56m
Multiple Airlines
Deal found 4/6![Multiple Airlines logo]()
$290
This Kiwi.com deal was found by Cheapflights users on 4/3. 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 4/203:24 pm
IAH
- YYZ
1 stop26h 41m
Multiple Airlines
Fri 4/248:30 pm
YYZ
- IAH
1 stop22h 11m
Multiple Airlines
Deal found 4/3![Multiple Airlines logo]()
$296
This Kiwi.com deal was found by Cheapflights users on 4/4. 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 4/239:46 am
IAH
- YYZ
1 stop28h 34m
Multiple Airlines
Tue 4/286:30 am
YYZ
- IAH
1 stop17h 17m
Multiple Airlines
Deal found 4/4![Multiple Airlines logo]()
$297
This Kiwi.com deal was found by Cheapflights users on 4/4. 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 4/243:31 pm
IAH
- YTZ
1 stop19h 09m
Multiple Airlines
Sun 4/262:30 pm
YTZ
- IAH
1 stop18h 57m
Multiple Airlines
Deal found 4/4![Multiple Airlines logo]()
$292
This Kiwi.com deal was found by Cheapflights users on 4/3. 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 4/246:58 pm
IAH
- YTZ
1 stop15h 42m
Multiple Airlines
Sun 5/38:55 am
YTZ
- IAH
1 stop17h 02m
Multiple Airlines
Deal found 4/3![Multiple Airlines logo]()
$301
This Kiwi.com deal was found by Cheapflights users on 4/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/56:30 am
IAH
- YYZ
2 stops38h 25m
Multiple Airlines
Sun 5/106:30 am
YYZ
- IAH
1 stop9h 33m
Multiple Airlines
Deal found 4/2![Multiple Airlines logo]()
$292
This Kiwi.com deal was found by Cheapflights users on 4/3. 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 5/56:30 am
IAH
- YYZ
2 stops38h 25m
Multiple Airlines
Wed 5/134:50 pm
YYZ
- IAH
1 stop17h 00m
Multiple Airlines
Deal found 4/3![Multiple Airlines logo]()
$298
This Kiwi.com deal was found by Cheapflights users on 4/3. 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 5/61:28 pm
IAH
- YYZ
2 stops15h 17m
Multiple Airlines
Wed 5/277:45 am
YYZ
- IAH
1 stop12h 04m
Multiple Airlines
Deal found 4/3![Multiple Airlines logo]()
$294
This Kiwi.com deal was found by Cheapflights users on 4/6. 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 5/61:28 pm
IAH
- YYZ
2 stops15h 17m
Multiple Airlines
Wed 5/134:50 pm
YYZ
- IAH
1 stop17h 00m
Multiple Airlines
Deal found 4/6![Multiple Airlines logo]()
$300
This Kiwi.com deal was found by Cheapflights users on 4/5. 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.
Wed 5/135:29 pm
IAH
- YTZ
1 stop13h 31m
Multiple Airlines
Sun 5/178:55 am
YTZ
- IAH
1 stop27h 55m
Multiple Airlines
Deal found 4/5![Multiple Airlines logo]()
$289
This Kiwi.com deal was found by Cheapflights users on 4/3. 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 5/269:00 pm
IAH
- YYZ
2 stops31h 45m
Multiple Airlines
Mon 6/87:45 am
YYZ
- IAH
1 stop26h 02m
Multiple Airlines
Deal found 4/3![Multiple Airlines logo]()
$295
This Kiwi.com deal was found by Cheapflights users on 4/7. 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.
Thu 5/288:29 am
IAH
- YYZ
1 stop11h 26m
Multiple Airlines
Tue 6/210:50 am
YYZ
- IAH
2 stops26h 43m
Multiple Airlines
Deal found 4/7![Multiple Airlines logo]()
$286
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 April 7, 2026.
Search for one-way flight options from Houston to Ontario. Find affordable one-way fares based on user searches. Data last updated April 7, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/3. 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 5/56:30 am
IAH
- YYZ
2 stops38h 25m
Multiple Airlines
Deal found 4/3![Multiple Airlines logo]()
$121
This Kiwi.com deal was found by Cheapflights users on 4/3. 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 6/179:10 pm
IAH
- YYZ
3 stops31h 35m
Multiple Airlines
Deal found 4/3![Multiple Airlines logo]()
$123
This Kiwi.com deal was found by Cheapflights users on 4/7. 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.
Tue 4/216:57 pm
IAH
- YYZ
1 stop18h 19m
Multiple Airlines
Deal found 4/7![Multiple Airlines logo]()
$124
This Kiwi.com deal was found by Cheapflights users on 4/5. 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.
Wed 5/66:30 am
IAH
- YYZ
2 stops38h 25m
Multiple Airlines
Deal found 4/5![Multiple Airlines logo]()
$126
This Kiwi.com deal was found by Cheapflights users on 4/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/239:46 am
IAH
- YYZ
1 stop24h 57m
Multiple Airlines
Deal found 4/2![Multiple Airlines logo]()
$129
This Kiwi.com deal was found by Cheapflights users on 4/6. 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.
Mon 4/203:24 pm
IAH
- YYZ
1 stop26h 41m
Multiple Airlines
Deal found 4/6![Multiple Airlines logo]()
$130
This Kiwi.com deal was found by Cheapflights users on 4/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/309:52 pm
IAH
- YTZ
1 stop19h 08m
Multiple Airlines
Deal found 4/2![Multiple Airlines logo]()
$133
This Kiwi.com deal was found by Cheapflights users on 4/5. 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.
Sun 4/199:46 am
IAH
- YYZ
1 stop27h 19m
Multiple Airlines
Deal found 4/5![Multiple Airlines logo]()
$134
This Kiwi.com deal was found by Cheapflights users on 4/6. 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 4/216:44 pm
IAH
- YTZ
1 stop15h 56m
Multiple Airlines
Deal found 4/6![Multiple Airlines logo]()
$137
This Kiwi.com deal was found by Cheapflights users on 4/3. 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 5/66:50 am
IAH
- YTZ
1 stop7h 15m
Multiple Airlines
Deal found 4/3![Multiple Airlines logo]()
$138
This Kiwi.com deal was found by Cheapflights users on 4/3. 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 4/239:46 am
IAH
- YTZ
2 stops33h 04m
Multiple Airlines
Deal found 4/3![Multiple Airlines logo]()
$139
This Kiwi.com deal was found by Cheapflights users on 4/3. 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 7/12:43 pm
IAH
- YTZ
1 stop19h 02m
Multiple Airlines
Deal found 4/3![Multiple Airlines logo]()
$140
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 April 7, 2026.
Round-trip from | $284 (Kiwi.com) |
|---|---|
One-way from | $121 (Kiwi.com) |
Popular in | February |
Cheapest in | September |
Average price | $581 |
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 April 7, 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
HoustonMontreal
IAH - YUL
IAHYUL
Houston George Bush Intcntl
Mon 6/1
8:50 pm-2:08 pm
2 stops40h 18m
Montreal Pierre Elliott Trudeau Intl
Mon 6/8
7:15 pm-3:14 pm
1 stop20h 59m
$366
HoustonToronto
IAH - YTZ
IAHYTZ
Houston George Bush Intcntl
Fri 5/1
11:39 am-9:35 am
2 stops20h 56m
Toronto Island
Sun 5/3
8:25 am-11:59 pm
1 stop16h 34m
$368
HoustonToronto
IAH - YTZ
IAHYTZ
Houston George Bush Intcntl
Thu 5/28
6:50 am-3:05 pm
1 stop7h 15m
Toronto Island
Wed 6/3
8:25 am-3:14 pm
1 stop7h 49m
$373
HoustonHamilton
IAH - YHM
IAHYHM
Houston George Bush Intcntl
Mon 6/22
6:30 am-5:15 pm
1 stop9h 45m
Hamilton
Wed 6/24
6:10 pm-1:55 pm
1 stop20h 45m
$489
HoustonHamilton
IAH - YHM
IAHYHM
Houston George Bush Intcntl
Tue 6/16
6:30 am-5:15 pm
1 stop9h 45m
Hamilton
Thu 6/18
6:10 pm-1:55 pm
1 stop20h 45m
$499
HoustonMontreal
IAH - YUL
IAHYUL
Houston George Bush Intcntl
Tue 4/28
6:09 pm-8:40 am
1 stop13h 31m
Montreal Pierre Elliott Trudeau Intl
Sat 5/2
9:30 am-6:33 pm
1 stop10h 03m
$507
HoustonHamilton
IAH - YHM
IAHYHM
Houston George Bush Intcntl
Mon 5/18
8:50 pm-11:13 pm
2 stops49h 23m
Hamilton
Mon 5/25
8:15 am-11:36 pm
1 stop16h 21m
$551
HoustonToronto
IAH - YKF
IAHYKF
Houston George Bush Intcntl
Mon 6/22
6:30 am-7:50 pm
1 stop12h 20m
Toronto Region of Waterloo Intl
Wed 6/24
8:40 pm-1:55 pm
1 stop18h 15m
$558
HoustonToronto
IAH - YKF
IAHYKF
Houston George Bush Intcntl
Fri 7/31
6:30 am-7:50 pm
1 stop12h 20m
Toronto Region of Waterloo Intl
Wed 8/5
8:40 pm-1:55 pm
1 stop18h 15m
$565
HoustonToronto
IAH - YTZ
IAHYTZ
Houston George Bush Intcntl
Tue 6/2
6:10 am-4:41 pm
1 stop9h 31m
Toronto Island
Thu 6/4
7:25 am-5:01 pm
1 stop10h 36m
$571
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-YHM
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-YYZ
IAH-YTZ
IAH-YUL
IAH-YHM
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 March is currently the most expensive (average of $303). 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 April 7, 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?
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 April 7, 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.
Overall
7.9
Food
7.2
Boarding
8.1
Crew
8.5
Comfort
7.9
Entertainment
7.8
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Overall
7.9
Food
7.2
Boarding
8.1
Crew
8.5
Comfort
7.9
Entertainment
7.8
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Overall
7.9
Food
7.2
Boarding
8.1
Crew
8.5
Comfort
7.9
Entertainment
7.8
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Overall
7.9
Food
7.2
Boarding
8.1
Crew
8.5
Comfort
7.9
Entertainment
7.8
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Overall
7.9
Food
7.2
Boarding
8.1
Crew
8.5
Comfort
7.9
Entertainment
7.8
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Overall
7.9
Food
7.2
Boarding
8.1
Crew
8.5
Comfort
7.9
Entertainment
7.8
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 April 7, 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 April 7, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$118 | Average$396 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$236 | Average$552 | FlexibilityNo cancel fee | On-time60% | |
| Cheapest$266 | Average$647 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$268 | Average$768 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$315 | Average$429 | FlexibilityNo cancel fee | On-time71% |