$134+ Cheap flights from San Diego (SAN) to New Hampshire
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 8/31. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — MHT
Aug 22 — Aug 291
Round-trip
1 adult, Economy
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Find cheap flights from San Diego to New Hampshire with Cheapflights
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Cheapest flights from San Diego to New HampshireExplore the most affordable flight options available from San Diego to New Hampshire. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 23, 2026.
Explore the most affordable flight options available from San Diego to New Hampshire. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 23, 2026.
This Delta deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/910:04 pm
SAN
- BOS
Nonstop5h 36m
Delta
Thu 9/175:10 pm
BOS
- SAN
Nonstop6h 05m
Delta
Deal found 7/23![Delta logo]()
$262
This Trip.com deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/68:59 pm
SAN
- BOS
Nonstop5h 48m
Alaska Airlines
Sat 9/128:00 am
BOS
- SAN
Nonstop6h 12m
Alaska Airlines
Deal found 7/21![Alaska Airlines logo]()
$264
This Cheapflightsfares deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/91:48 pm
SAN
- BOS
Nonstop6h 12m
JetBlue
Wed 9/2311:20 am
BOS
- SAN
1 stop11h 41m
JetBlue
Deal found 7/22![JetBlue logo]()
$265
This Cheapflightsfares deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/288:40 pm
SAN
- BOS
Nonstop5h 44m
JetBlue
Tue 9/299:00 am
BOS
- SAN
Nonstop6h 22m
JetBlue
Deal found 7/21![JetBlue logo]()
$266
This Delta deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/1510:02 pm
SAN
- BOS
Nonstop5h 38m
Delta
Tue 8/185:20 pm
BOS
- SAN
Nonstop6h 15m
Delta
Deal found 7/22![Delta logo]()
$267
This Cheapflightsfares deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/189:30 pm
SAN
- BOS
1 stop10h 16m
JetBlue
Tue 9/223:35 pm
BOS
- SAN
Nonstop6h 13m
JetBlue
Deal found 7/21![JetBlue logo]()
$268
This Southwest deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/153:55 pm
SAN
- BOS
Nonstop5h 30m
Southwest
Fri 9/1811:15 am
BOS
- SAN
Nonstop5h 55m
Southwest
Deal found 7/22![Southwest logo]()
$270
This Cheapflightsfares deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/258:40 pm
SAN
- BOS
Nonstop5h 39m
JetBlue
Wed 9/23:50 pm
BOS
- SAN
Nonstop6h 06m
JetBlue
Deal found 7/21![JetBlue logo]()
$271
This United Airlines deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/92:15 pm
SAN
- BOS
1 stop7h 55m
United Airlines
Wed 9/235:45 am
BOS
- SAN
1 stop8h 40m
United Airlines
Deal found 7/22![United Airlines logo]()
$272
This Alaska Airlines deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/148:52 pm
SAN
- BOS
Nonstop5h 48m
Alaska Airlines
Tue 8/184:33 pm
BOS
- SAN
Nonstop6h 20m
Alaska Airlines
Deal found 7/22![Alaska Airlines logo]()
$273
This Expedia deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/228:34 pm
SAN
- BOS
Nonstop5h 47m
Multiple Airlines
Sun 10/256:30 am
BOS
- SAN
Nonstop6h 35m
Multiple Airlines
Deal found 7/21![Multiple Airlines logo]()
$274
This Delta deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/3010:02 pm
SAN
- BOS
Nonstop5h 38m
Delta
Sat 9/125:10 pm
BOS
- SAN
Nonstop6h 05m
Delta
Deal found 7/20![Delta logo]()
$275
Best flights from San Diego to New HampshireDiscover carefully curated flight deals from San Diego to New Hampshire that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 23, 2026.
Discover carefully curated flight deals from San Diego to New Hampshire that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 23, 2026.
This Delta deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2710:02 pm
SAN
- BOS
Nonstop5h 38m
Delta
Tue 9/15:20 pm
BOS
- SAN
Nonstop6h 15m
Delta
Deal found 7/22![Delta logo]()
$267
This United Airlines deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/312:15 pm
SAN
- BOS
1 stop7h 55m
United Airlines
Thu 9/311:50 am
BOS
- SAN
1 stop8h 36m
United Airlines
Deal found 7/23![United Airlines logo]()
$272
This Alaska Airlines deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/188:59 pm
SAN
- BOS
Nonstop5h 48m
Alaska Airlines
Tue 9/228:00 am
BOS
- SAN
Nonstop6h 12m
Alaska Airlines
Deal found 7/22![Alaska Airlines logo]()
$273
This Southwest deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/810:40 pm
SAN
- BOS
1 stop8h 15m
Southwest
Tue 9/152:45 pm
BOS
- SAN
2 stops10h 15m
Southwest
Deal found 7/21![Southwest logo]()
$282
This American Airlines deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/66:15 am
SAN
- ORH
1 stop7h 43m
American Airlines
Mon 8/105:23 pm
ORH
- SAN
1 stop20h 43m
American Airlines
Deal found 7/21![American Airlines logo]()
$448
This Southwest deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2810:10 am
SAN
- BOS
2 stops9h 20m
Southwest
Tue 9/19:25 am
BOS
- SAN
1 stop8h 30m
Southwest
Deal found 7/22![Southwest logo]()
$295
This Alaska Airlines deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/288:59 pm
SAN
- BOS
Nonstop5h 50m
Alaska Airlines
Thu 9/38:00 am
BOS
- SAN
Nonstop6h 12m
Alaska Airlines
Deal found 7/22![Alaska Airlines logo]()
$301
This Southwest deal was found by Cheapflights users on 7/18. Clicking the “Pick Dates” 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 8/249:00 pm
SAN
- BOS
2 stops9h 55m
Southwest
Mon 8/315:25 am
BOS
- SAN
1 stop7h 45m
Southwest
Deal found 7/18![Southwest logo]()
$298
This Delta deal was found by Cheapflights users on 7/18. Clicking the “Pick Dates” 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 8/1810:37 am
SAN
- PWM
1 stop9h 36m
Delta
Thu 9/1012:55 pm
PWM
- SAN
1 stop8h 40m
Delta
Deal found 7/18![Delta logo]()
$346
This Southwest deal was found by Cheapflights users on 7/18. Clicking the “Pick Dates” 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 9/910:40 pm
SAN
- BOS
1 stop7h 20m
Southwest
Wed 9/2310:05 am
BOS
- SAN
2 stops11h 15m
Southwest
Deal found 7/18![Southwest logo]()
$298
This United Airlines deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” 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 8/278:45 am
SAN
- MHT
2 stops12h 14m
United Airlines
Sun 9/62:46 pm
MHT
- SAN
1 stop8h 43m
United Airlines
Deal found 7/19![United Airlines logo]()
$373
This Delta deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/3012:52 pm
SAN
- PWM
1 stop7h 36m
Delta
Tue 10/611:25 am
PWM
- SAN
2 stops13h 38m
Delta
Deal found 7/22![Delta logo]()
$348
This Delta deal was found by Cheapflights users on 7/18. Clicking the “Pick Dates” 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 8/1810:25 pm
SAN
- PWM
2 stops15h 25m
Delta
Sun 9/66:00 am
PWM
- SAN
1 stop8h 38m
Delta
Deal found 7/18![Delta logo]()
$351
This Southwest deal was found by Cheapflights users on 7/18. Clicking the “Pick Dates” 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.
Sun 10/410:40 pm
SAN
- BOS
1 stop7h 15m
Southwest
Wed 10/75:15 am
BOS
- SAN
1 stop9h 30m
Southwest
Deal found 7/18![Southwest logo]()
$323
This United Airlines deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” 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 8/2410:40 pm
SAN
- MHT
2 stops12h 28m
United Airlines
Sat 8/292:46 pm
MHT
- SAN
2 stops10h 24m
United Airlines
Deal found 7/19![United Airlines logo]()
$391
This American Airlines deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/76:15 am
SAN
- ORH
1 stop7h 43m
American Airlines
Tue 8/115:23 pm
ORH
- SAN
2 stops18h 35m
American Airlines
Deal found 7/22![American Airlines logo]()
$472
This Delta deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” 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 8/158:00 am
SAN
- PWM
1 stop10h 31m
Delta
Wed 8/196:00 am
PWM
- SAN
1 stop8h 38m
Delta
Deal found 7/19![Delta logo]()
$359
This Southwest deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/2312:20 pm
SAN
- BOS
2 stops8h 45m
Southwest
Sat 9/268:40 am
BOS
- SAN
2 stops11h 30m
Southwest
Deal found 7/20![Southwest logo]()
$337
This Southwest deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1210:35 pm
SAN
- PWM
1 stop9h 00m
Southwest
Wed 9/165:45 am
PWM
- SAN
2 stops10h 15m
Southwest
Deal found 7/22![Southwest logo]()
$338
This Delta deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/2312:52 pm
SAN
- PWM
1 stop7h 36m
Delta
Wed 10/2810:00 am
PWM
- SAN
2 stops11h 29m
Delta
Deal found 7/21![Delta logo]()
$374
This United Airlines deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/268:00 am
SAN
- MHT
1 stop8h 00m
United Airlines
Sat 8/299:25 am
MHT
- SAN
2 stops10h 35m
United Airlines
Deal found 7/22![United Airlines logo]()
$470
This Southwest deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/227:25 am
SAN
- PWM
2 stops10h 45m
Southwest
Tue 9/295:45 am
PWM
- SAN
1 stop8h 45m
Southwest
Deal found 7/20![Southwest logo]()
$338
This Delta deal was found by Cheapflights users on 7/18. Clicking the “Pick Dates” 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 9/246:15 am
SAN
- PWM
2 stops14h 41m
Delta
Thu 10/226:00 am
PWM
- SAN
1 stop8h 16m
Delta
Deal found 7/18![Delta logo]()
$394
This Southwest deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/810:40 pm
SAN
- PWM
1 stop8h 15m
Southwest
Wed 9/165:45 am
PWM
- SAN
1 stop8h 45m
Southwest
Deal found 7/21![Southwest logo]()
$346
This Delta deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” 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 9/246:15 am
SAN
- PWM
2 stops14h 41m
Delta
Tue 9/296:30 am
PWM
- SAN
2 stops13h 35m
Delta
Deal found 7/19![Delta logo]()
$399
This Southwest deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” 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 8/246:35 am
SAN
- MHT
1 stop8h 10m
Southwest
Sat 8/2911:55 am
MHT
- SAN
2 stops10h 55m
Southwest
Deal found 7/19![Southwest logo]()
$386
This Southwest deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1710:40 pm
SAN
- MHT
1 stop8h 00m
Southwest
Wed 9/235:35 am
MHT
- SAN
2 stops9h 40m
Southwest
Deal found 7/22![Southwest logo]()
$416
This Southwest deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/19:55 pm
SAN
- MHT
1 stop7h 15m
Southwest
Fri 11/136:40 pm
MHT
- SAN
1 stop8h 05m
Southwest
Deal found 7/20![Southwest logo]()
$457
This Southwest deal was found by Cheapflights users on 7/18. Clicking the “Pick Dates” 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 9/410:10 am
SAN
- MHT
2 stops9h 15m
Southwest
Sun 9/207:10 am
MHT
- SAN
2 stops10h 45m
Southwest
Deal found 7/18![Southwest logo]()
$467
This Southwest deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/910:40 pm
SAN
- MHT
1 stop10h 30m
Southwest
Tue 8/186:15 pm
MHT
- SAN
1 stop7h 20m
Southwest
Deal found 7/20![Southwest logo]()
$472
Last-minute flights from San Diego to New HampshireDiscover last-minute flight deals from San Diego to New Hampshire. Data last updated July 23, 2026 and is based on user searches.
Discover last-minute flight deals from San Diego to New Hampshire. Data last updated July 23, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/189:45 pm
SAN
- PWM
1 stop9h 19m
United Airlines
Mon 8/246:03 am
PWM
- SAN
1 stop8h 12m
United Airlines
Deal found 7/20![United Airlines logo]()
$333
This Delta deal was found by Cheapflights users on 7/18. Clicking the “Pick Dates” 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 8/1810:37 am
SAN
- PWM
1 stop9h 36m
Delta
Fri 9/112:10 pm
PWM
- SAN
1 stop8h 16m
Delta
Deal found 7/18![Delta logo]()
$346
This Delta deal was found by Cheapflights users on 7/18. Clicking the “Pick Dates” 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 8/1810:25 pm
SAN
- PWM
2 stops15h 25m
Delta
Sun 9/66:00 am
PWM
- SAN
1 stop8h 38m
Delta
Deal found 7/18![Delta logo]()
$351
This Delta deal was found by Cheapflights users on 7/18. Clicking the “Pick Dates” 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 8/1810:37 am
SAN
- PWM
1 stop9h 36m
Delta
Tue 9/86:02 am
PWM
- SAN
1 stop8h 34m
Delta
Deal found 7/18![Delta logo]()
$359
This Delta deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” 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 8/186:15 am
SAN
- PWM
2 stops13h 58m
Delta
Mon 8/242:14 pm
PWM
- SAN
1 stop9h 44m
Delta
Deal found 7/19![Delta logo]()
$364
This American Airlines deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2210:20 pm
SAN
- PWM
1 stop9h 53m
American Airlines
Tue 9/16:09 pm
PWM
- SAN
1 stop8h 38m
American Airlines
Deal found 7/22![American Airlines logo]()
$337
This Delta deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/2410:17 pm
SAN
- PWM
2 stops11h 15m
Delta
Sat 8/296:05 am
PWM
- SAN
1 stop9h 28m
Delta
Deal found 7/22![Delta logo]()
$348
This American Airlines deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2610:20 pm
SAN
- MHT
1 stop9h 30m
American Airlines
Wed 9/21:50 pm
MHT
- SAN
1 stop8h 54m
American Airlines
Deal found 7/22![American Airlines logo]()
$355
This Southwest deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/267:25 am
SAN
- MHT
2 stops10h 45m
Southwest
Tue 9/13:05 pm
MHT
- SAN
1 stop7h 30m
Southwest
Deal found 7/22![Southwest logo]()
$360
This United Airlines deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2610:40 pm
SAN
- MHT
2 stops12h 28m
United Airlines
Tue 9/19:25 am
MHT
- SAN
2 stops10h 35m
United Airlines
Deal found 7/22![United Airlines logo]()
$366
This American Airlines deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/276:19 am
SAN
- PWM
1 stop10h 47m
American Airlines
Sun 9/67:05 am
PWM
- SAN
1 stop8h 43m
American Airlines
Deal found 7/23![American Airlines logo]()
$338
This Delta deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2710:25 pm
SAN
- PWM
2 stops14h 36m
Delta
Sun 9/66:05 am
PWM
- SAN
1 stop8h 35m
Delta
Deal found 7/23![Delta logo]()
$343
One-way flights from San Diego to New HampshireSearch for one-way flight options from San Diego to New Hampshire. Find affordable one-way fares based on user searches. Data last updated July 23, 2026.
Search for one-way flight options from San Diego to New Hampshire. Find affordable one-way fares based on user searches. Data last updated July 23, 2026.
This United Airlines deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/312:15 pm
SAN
- BOS
1 stop7h 55m
United Airlines
Deal found 7/22![United Airlines logo]()
$134
This Cheapflightsfares deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/258:40 pm
SAN
- BOS
Nonstop5h 39m
JetBlue
Deal found 7/19![JetBlue logo]()
$135
This Super.com deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/259:30 pm
SAN
- BOS
1 stop10h 21m
JetBlue
Deal found 7/22![JetBlue logo]()
$136
This Southwest deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” 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.
Sun 9/133:55 pm
SAN
- BOS
Nonstop5h 30m
Southwest
Deal found 7/19![Southwest logo]()
$137
This Flysmarter deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/289:30 pm
SAN
- BOS
1 stop10h 21m
JetBlue
Deal found 7/23![JetBlue logo]()
$138
This United Airlines deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/62:15 pm
SAN
- BOS
1 stop7h 56m
United Airlines
Deal found 7/22![United Airlines logo]()
$139
This Cheapflightsfares deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/41:06 pm
SAN
- BOS
Nonstop6h 19m
JetBlue
Deal found 7/22![JetBlue logo]()
$140
This Southwest deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/283:55 pm
SAN
- BOS
Nonstop5h 30m
Southwest
Deal found 7/21![Southwest logo]()
$142
This Southwest deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/249:00 pm
SAN
- BOS
2 stops9h 55m
Southwest
Deal found 7/22![Southwest logo]()
$144
This American Airlines deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/18:00 am
SAN
- BOS
1 stop8h 42m
American Airlines
Deal found 7/20![American Airlines logo]()
$146
This American Airlines deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2110:59 am
SAN
- BOS
1 stop9h 38m
American Airlines
Deal found 7/22![American Airlines logo]()
$147
This Southwest deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/258:00 pm
SAN
- BOS
2 stops9h 55m
Southwest
Deal found 7/23![Southwest logo]()
$149
Find flight deals from San Diego to New Hampshire
Keep the following information in mind while searching for San Diego to New Hampshire flight deals. Data was last updated July 23, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $264 (Trip.com) |
One-way from | $134 (United Airlines) |
Popular in | December |
Cheapest in | October |
Average price | $413 |
Cheapflights Fare Finder
Customize your flight search to find flights from San Diego to New Hampshire 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 July 23, 2026.
Use the filters below to find and compare flights from San Diego to New Hampshire that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
San DiegoBoston
SAN - BOS
SANBOS
San Diego
Thu 8/27
10:02 pm-6:40 am
Nonstop5h 38m
Boston Logan Intl
Tue 9/1
5:20 pm-8:35 pm
Nonstop6h 15m
$267
San DiegoBoston
SAN - BOS
SANBOS
San Diego
Mon 8/31
2:15 pm-1:10 am
1 stop7h 55m
Boston Logan Intl
Thu 9/3
11:50 am-5:26 pm
1 stop8h 36m
$272
San DiegoBoston
SAN - BOS
SANBOS
San Diego
Fri 9/18
8:59 pm-5:47 am
Nonstop5h 48m
Boston Logan Intl
Tue 9/22
8:00 am-11:12 am
Nonstop6h 12m
$273
San DiegoBoston
SAN - BOS
SANBOS
San Diego
Tue 9/8
10:40 pm-9:55 am
1 stop8h 15m
Boston Logan Intl
Tue 9/15
2:45 pm-10:00 pm
2 stops10h 15m
$282
San DiegoBoston
SAN - BOS
SANBOS
San Diego
Fri 8/28
10:10 am-10:30 pm
2 stops9h 20m
Boston Logan Intl
Tue 9/1
9:25 am-2:55 pm
1 stop8h 30m
$295
San DiegoBoston
SAN - BOS
SANBOS
San Diego
Mon 8/24
9:00 pm-9:55 am
2 stops9h 55m
Boston Logan Intl
Mon 8/31
5:25 am-10:10 am
1 stop7h 45m
$298
San DiegoBoston
SAN - BOS
SANBOS
San Diego
Wed 9/9
10:40 pm-9:00 am
1 stop7h 20m
Boston Logan Intl
Wed 9/23
10:05 am-6:20 pm
2 stops11h 15m
$298
San DiegoBoston
SAN - BOS
SANBOS
San Diego
Fri 8/28
8:59 pm-5:49 am
Nonstop5h 50m
Boston Logan Intl
Thu 9/3
8:00 am-11:12 am
Nonstop6h 12m
$301
San DiegoBoston
SAN - BOS
SANBOS
San Diego
Sun 10/4
10:40 pm-8:55 am
1 stop7h 15m
Boston Logan Intl
Wed 10/7
5:15 am-11:45 am
1 stop9h 30m
$323
San DiegoBoston
SAN - BOS
SANBOS
San Diego
Wed 9/23
12:20 pm-12:05 am
2 stops8h 45m
Boston Logan Intl
Sat 9/26
8:40 am-5:10 pm
2 stops11h 30m
$337
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from San Diego to New Hampshire
Have a flexible travel schedule? Discover the best time to fly to New Hampshire from San Diego with our price prediction graph.
SAN-PWM
SAN-MHT
SAN-BOS
SAN-ORH
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 San Diego to New Hampshire
SAN-USNH
SAN-PWM
SAN-MHT
SAN-BOS
SAN-ORH
What is the cheapest month to book a flight from San Diego to New Hampshire?
Currently, October is the cheapest month in which you can book a flight from San Diego to New Hampshire (average of $361). Flying from San Diego to New Hampshire in May is currently the most expensive (average of $1,046). 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.
How much does it cost to fly round-trip from San Diego to New Hampshire?
Airfare is typical for this route at the moment.
San Diego to New Hampshire flights typically cost between $322 and $660 in August.The cheapest round-trip price found within the last 5 days was $355 on American Airlines (Aug 26-Sep 2).
Reviews of airlines servicing New Hampshire
Get insights into the airlines that provide service to New Hampshire. 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 New Hampshire. Reviews last updated July 23, 2026.
See what other customers who have flown with Southwest and American Airlines from San Diego to New Hampshire have to say. 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
8.0
Crew
8.6
Entertainment
7.5
Food
7.0
Comfort
8.0
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Overall
8.0
Crew
8.6
Entertainment
7.5
Food
7.0
Comfort
8.0
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Overall
8.0
Crew
8.6
Entertainment
7.5
Food
7.0
Comfort
8.0
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Related info for your journey
Find useful and relevant information for your journey from San Diego to New Hampshire. 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 San Diego to New Hampshire
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to New Hampshire by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from San Diego to New Hampshire by cabin class
Find flights from San Diego to New Hampshire, based on your preferred cabin class, be it economy, premium economy, business, or first class.
San Diego and New Hampshire flights
Browse other San Diego and New Hampshire flight options. Last updated on July 23, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
San Diego to New Hampshire flights
Consider these flights traveling from San Diego to New Hampshire.
Top 2 airlines flying from San Diego to New Hampshire
Discover the top 2 airlines that operate flights from San Diego to New Hampshire. 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 July 23, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$286 | Average$405 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$343 | Average$442 | FlexibilityNo cancel fee | On-time63% |