$121+ Cheap flights from New Hampshire to Ontario (ONT)
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 2/24. Fares are subject to change and may not be available on all flights or dates of travel.
MHT — ONT
Oct 15 — Oct 221
Round-trip
1 adult, Economy
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Find cheap flights from New Hampshire to Ontario with Cheapflights
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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 New Hampshire to OntarioExplore the most affordable flight options available from New Hampshire to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2026.
Explore the most affordable flight options available from New Hampshire to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2026.
This Priceline deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/107:13 am -
1 stop11h 00m
Sat 11/144:09 pm -
1 stop10h 31m
Deal found 9/14![Alaska Airlines logo]()
$251
This Southwest deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/245:15 am -
1 stop8h 05m
Sat 10/316:30 am -
1 stop9h 55m
Deal found 9/14![Southwest logo]()
$252
This Mytrip deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” 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 10/216:40 pm -
1 stop18h 37m
Sat 10/2411:13 am -
1 stop9h 46m
Deal found 9/14![Alaska Airlines logo]()
$261
This Mytrip deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” 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 11/107:13 am -
1 stop11h 00m
Thu 11/126:00 am -
1 stop14h 58m
Deal found 9/14![Alaska Airlines logo]()
$279
This Expedia deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/277:03 am -
1 stop13h 57m
Fri 10/3011:13 am -
1 stop9h 46m
Deal found 9/14![Alaska Airlines logo]()
$285
This Southwest deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/297:05 am -
1 stop10h 05m
Mon 11/211:55 pm -
1 stop9h 05m
Deal found 9/13![Southwest logo]()
$286
This Southwest deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/271:05 pm -
2 stops10h 45m
Fri 10/3012:40 pm -
1 stop7h 35m
Deal found 9/14![Southwest logo]()
$291
This Southwest deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/55:00 am -
1 stop12h 05m
Mon 11/911:55 pm -
1 stop9h 05m
Deal found 9/13![Southwest logo]()
$292
This Delta deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” 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 11/237:50 am -
1 stop12h 29m
Tue 12/111:57 am -
1 stop9h 06m
Deal found 9/14![Delta logo]()
$297
This Delta deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” 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 12/164:53 pm -
2 stops10h 05m
Wed 1/67:00 am -
2 stops13h 06m
Deal found 9/14![Delta logo]()
$307
This Alaska Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” 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.
Sat 11/149:03 am -
1 stop12h 14m
Tue 11/174:09 pm -
1 stop10h 31m
Deal found 9/14![Alaska Airlines logo]()
$324
This Delta deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” 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 11/72:09 pm -
1 stop8h 21m
Sat 11/1412:18 pm -
1 stop8h 13m
Deal found 9/14![Delta logo]()
$359
Best flights from New Hampshire to OntarioDiscover carefully curated flight deals from New Hampshire to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 15, 2026.
Discover carefully curated flight deals from New Hampshire to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 15, 2026.
This Delta deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” 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 11/72:09 pm -
1 stop8h 21m
Sat 11/1412:18 pm -
1 stop8h 13m
Deal found 9/13![Delta logo]()
$359
This United Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” 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 10/313:23 pm -
1 stop8h 28m
Tue 11/35:00 am -
1 stop8h 02m
Deal found 9/14![United Airlines logo]()
$375
This Southwest deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/271:45 pm -
2 stops10h 05m
Mon 3/16:35 pm -
2 stops10h 30m
Deal found 9/12![Southwest logo]()
$424
This American Airlines deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” 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.
Mon 1/256:13 am -
2 stops12h 15m
Sat 1/307:26 pm -
2 stops11h 50m
Deal found 9/12![American Airlines logo]()
$431
This Alaska Airlines deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” 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.
Sun 11/89:03 am -
1 stop11h 00m
Tue 11/104:09 pm -
1 stop10h 31m
Deal found 9/11![Alaska Airlines logo]()
$465
This Delta deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” 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 10/314:15 pm -
1 stop8h 57m
Sat 11/145:04 pm -
1 stop10h 16m
Deal found 9/10![Delta logo]()
$367
This Delta deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” 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 11/72:15 pm -
1 stop8h 15m
Sat 11/146:00 am -
1 stop7h 26m
Deal found 9/10![Delta logo]()
$367
This Southwest deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/55:30 am -
2 stops11h 35m
Thu 11/56:50 pm -
2 stops10h 20m
Deal found 9/11![Southwest logo]()
$427
This United Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” 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 1/73:15 pm -
1 stop9h 25m
Sun 1/106:53 pm -
1 stop10h 07m
Deal found 9/15![United Airlines logo]()
$441
This Delta deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” 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 1/75:45 am -
1 stop8h 42m
Thu 1/75:05 pm -
1 stop10h 06m
Deal found 9/13![Delta logo]()
$387
This Southwest deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/222:55 pm -
1 stop10h 00m
Tue 1/510:55 am -
1 stop7h 20m
Deal found 9/14![Southwest logo]()
$445
This United Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” 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 12/159:15 am -
2 stops14h 56m
Tue 12/296:27 pm -
1 stop10h 34m
Deal found 9/14![United Airlines logo]()
$465
This Delta deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/32:56 pm -
1 stop10h 00m
Sun 12/65:04 pm -
1 stop10h 16m
Deal found 9/13![Delta logo]()
$387
This United Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” 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 11/128:29 am -
2 stops14h 46m
Sun 11/155:00 am -
1 stop8h 02m
Deal found 9/14![United Airlines logo]()
$467
This Delta deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” 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 1/75:45 am -
1 stop8h 42m
Wed 1/137:00 am -
1 stop9h 21m
Deal found 9/11![Delta logo]()
$387
This Southwest deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/302:55 pm -
1 stop10h 00m
Sun 1/311:55 pm -
1 stop13h 45m
Deal found 9/13![Southwest logo]()
$492
This Delta deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/226:05 am -
1 stop9h 31m
Mon 10/261:35 pm -
1 stop7h 24m
Deal found 9/10![Delta logo]()
$413
This KAYAK deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/216:05 am -
1 stop9h 31m
Sat 10/246:00 am -
1 stop7h 38m
Deal found 9/14![Delta logo]()
$417
This United Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” 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 10/319:25 am -
2 stops13h 50m
Sat 11/79:25 am -
2 stops11h 34m
Deal found 9/14![United Airlines logo]()
$585
This United Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” 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 11/39:25 am -
2 stops14h 26m
Sat 11/79:25 am -
2 stops11h 34m
Deal found 9/14![United Airlines logo]()
$585
This Delta deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” 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 2/197:05 am -
1 stop9h 52m
Fri 2/263:30 pm -
1 stop12h 03m
Deal found 9/13![Delta logo]()
$473
This United Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/299:25 am -
2 stops14h 26m
Sat 11/79:25 am -
2 stops11h 34m
Deal found 9/14![United Airlines logo]()
$596
This Southwest deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/199:10 am -
2 stops11h 25m
Sat 10/2411:55 pm -
1 stop8h 20m
Deal found 9/11![Southwest logo]()
$737
This United Airlines deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” 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 2/141:30 pm -
2 stops12h 36m
Thu 2/185:00 am -
2 stops10h 59m
Deal found 9/10![United Airlines logo]()
$713
This United Airlines deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/302:50 pm -
2 stops11h 09m
Sat 10/35:00 am -
2 stops11h 01m
Deal found 9/13![United Airlines logo]()
$728
This United Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” 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 12/52:38 pm -
2 stops33h 00m
Wed 12/96:40 pm -
2 stops16h 23m
Deal found 9/14![United Airlines logo]()
$744
This United Airlines deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/159:25 am -
2 stops16h 26m
Sat 10/245:00 am -
2 stops11h 01m
Deal found 9/10![United Airlines logo]()
$755
Last-minute flights from New Hampshire to OntarioDiscover last-minute flight deals from New Hampshire to Ontario. Data last updated September 15, 2026 and is based on user searches.
Discover last-minute flight deals from New Hampshire to Ontario. Data last updated September 15, 2026 and is based on user searches.
This Gotogate deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/154:58 pm -
1 stop9h 44m
Wed 10/217:25 am -
1 stop19h 47m
Deal found 9/15![Alaska Airlines logo]()
$329
This Alaska Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” 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.
Fri 10/164:58 pm -
1 stop9h 44m
Mon 10/196:56 pm -
1 stop9h 30m
Deal found 9/14![Alaska Airlines logo]()
$341
This Mytrip deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” 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 10/216:40 pm -
1 stop18h 37m
Sat 10/2411:13 am -
1 stop9h 46m
Deal found 9/14![Alaska Airlines logo]()
$261
This Southwest deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/245:15 am -
1 stop8h 05m
Sat 10/316:30 am -
1 stop9h 55m
Deal found 9/14![Southwest logo]()
$252
This United Airlines deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” 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 10/245:08 pm -
1 stop8h 43m
Sat 10/315:00 am -
1 stop8h 02m
Deal found 9/10![United Airlines logo]()
$359
This American Airlines deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/245:30 am -
2 stops11h 00m
Sat 10/317:00 am -
2 stops12h 44m
Deal found 9/10![American Airlines logo]()
$370
This Expedia deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/277:03 am -
1 stop13h 57m
Fri 10/3011:13 am -
1 stop9h 46m
Deal found 9/14![Alaska Airlines logo]()
$285
This Southwest deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/271:05 pm -
2 stops10h 45m
Fri 10/3012:40 pm -
1 stop7h 35m
Deal found 9/14![Southwest logo]()
$291
This Southwest deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2810:15 am -
1 stop10h 45m
Mon 11/211:55 pm -
1 stop9h 05m
Deal found 9/13![Southwest logo]()
$336
This Southwest deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/297:05 am -
1 stop10h 05m
Mon 11/211:55 pm -
1 stop9h 05m
Deal found 9/13![Southwest logo]()
$286
This American Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” 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.
Thu 10/295:17 am -
1 stop11h 13m
Sun 11/111:59 pm -
1 stop10h 32m
Deal found 9/14![American Airlines logo]()
$340
This United Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” 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 10/313:23 pm -
1 stop8h 28m
Tue 11/35:00 am -
1 stop8h 02m
Deal found 9/14![United Airlines logo]()
$375
One-way flights from New Hampshire to OntarioSearch for one-way flight options from New Hampshire to Ontario. Find affordable one-way fares based on user searches. Data last updated September 15, 2026.
Search for one-way flight options from New Hampshire to Ontario. Find affordable one-way fares based on user searches. Data last updated September 15, 2026.
This Trip.com deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” 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 2/247:08 am -
1 stop10h 39m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Alaska Airlines logo]()
$121
This Priceline deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/279:03 am -
1 stop11h 57m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Alaska Airlines logo]()
$126
This Alaska Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” 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.
Thu 10/224:58 pm -
1 stop9h 44m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Alaska Airlines logo]()
$143
This Delta deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” 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 10/205:30 am -
1 stop8h 36m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Delta logo]()
$149
This Southwest deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/115:00 am -
1 stop7h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Southwest logo]()
$160
This SmartFares deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/297:12 am -
1 stop10h 04m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![Alaska Airlines logo]()
$179
This United Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/211:40 pm -
1 stop11h 19m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![United Airlines logo]()
$181
This Priceline deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/307:12 am -
1 stop10h 04m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Alaska Airlines logo]()
$184
This United Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2810:30 am -
2 stops13h 21m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![United Airlines logo]()
$186
This United Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” 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 11/268:08 am -
1 stop10h 51m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![United Airlines logo]()
$204
This Southwest deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/215:40 am -
2 stops11h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![Southwest logo]()
$215
This Southwest deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/27:15 am -
1 stop14h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![Southwest logo]()
$228
Find flight deals from New Hampshire to Ontario
Keep the following information in mind while searching for New Hampshire to Ontario flight deals. Data was last updated September 15, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $251 (Priceline) |
One-way from | $121 (Trip.com) |
Popular in | April |
Cheapest in | January |
Average price | $331 |
Cheapflights Fare Finder
Customize your flight search to find flights from New Hampshire 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 15, 2026.
Use the filters below to find and compare flights from New Hampshire to Ontario that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BostonOntario
BOS Boston Logan Intl - ONT Ontario
BOSONT
Boston Logan Intl
Tue 11/17
7:13 am-3:13 pm
1 stop11h 00m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$126
BostonOntario
BOS Boston Logan Intl - ONT Ontario
BOSONT
Boston Logan Intl
Thu 10/29
4:58 pm-11:42 pm
1 stop9h 44m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$184
BostonOntario
BOS Boston Logan Intl - ONT Ontario
BOSONT
Boston Logan Intl
Tue 12/8
8:27 am-9:11 pm
2 stops15h 44m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$186
BostonOntario
BOS Boston Logan Intl - ONT Ontario
BOSONT
Boston Logan Intl
Wed 10/21
7:55 am-5:12 pm
1 stop12h 17m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$194
BostonOntario
BOS Boston Logan Intl - ONT Ontario
BOSONT
Boston Logan Intl
Sat 10/24
6:05 am-12:36 pm
1 stop9h 31m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$194
BostonOntario
BOS Boston Logan Intl - ONT Ontario
BOSONT
Boston Logan Intl
Tue 11/10
7:13 am-3:13 pm
1 stop11h 00m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$194
PortlandOntario
PWM Portland - ONT Ontario
PWMONT
Portland
Thu 11/26
8:08 am-3:59 pm
1 stop10h 51m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$204
BostonOntario
BOS Boston Logan Intl - ONT Ontario
BOSONT
Boston Logan Intl
Sat 11/14
9:03 am-6:17 pm
1 stop12h 14m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$207
PortlandOntario
PWM Portland - ONT Ontario
PWMONT
Portland
Wed 10/21
5:40 am-2:30 pm
2 stops11h 50m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$215
Quickest round-trip
PortlandOntario
PWM Portland - ONT Ontario
PWMONT
Portland
Thu 11/19
3:23 pm-8:51 pm
1 stop8h 28m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$235
Showing 1-10 of 55 resultsSorted by cheapest first
Best time to book a flight from New Hampshire to Ontario
Have a flexible travel schedule? Discover the best time to fly to Ontario from New Hampshire with our price prediction graph.
BOS-ONT
PWM-ONT
MHT-ONT
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 New Hampshire to Ontario
USNH-ONT
BOS-ONT
PWM-ONT
MHT-ONT
No data available for this route at this time. Please check back soon.
Related info for your journey
Find useful and relevant information for your journey from New Hampshire 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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Ontario flight routes
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Alternative routes for New Hampshire 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 New Hampshire to Ontario by cabin class
Find flights from New Hampshire to Ontario, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Other flights to Ontario
Explore flights to Ontario departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 15, 2026.
New Hampshire and Ontario flights
Browse other New Hampshire and Ontario flight options. Last updated on September 15, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
New Hampshire to Ontario flights
Consider these flights traveling from New Hampshire to Ontario.
Top airline flying from New Hampshire to Ontario
Discover the top airline that operate flights from New Hampshire 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 15, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$372 | Average$536 | FlexibilityNo cancel fee | On-time63% |