$145+ 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 5/27. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — MHT
May 23 — May 301
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 April 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 April 23, 2026.
This Delta deal was found by Cheapflights users on 4/21. 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.
Mon 5/119:49 pm
SAN
- BOS
Nonstop5h 41m
Delta
Fri 5/155:15 pm
BOS
- SAN
Nonstop6h 21m
Delta
Deal found 4/21![Delta logo]()
$233
This Delta deal was found by Cheapflights users on 4/20. 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.
Fri 5/291:50 pm
SAN
- BOS
1 stop8h 38m
Delta
Tue 6/25:15 pm
BOS
- SAN
Nonstop6h 21m
Delta
Deal found 4/20![Delta logo]()
$234
This Delta deal was found by Cheapflights users on 4/20. 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.
Mon 5/111:50 pm
SAN
- BOS
1 stop8h 33m
Delta
Sat 5/165:40 am
BOS
- SAN
1 stop7h 38m
Delta
Deal found 4/20![Delta logo]()
$235
This American Airlines deal was found by Cheapflights users on 4/20. 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.
Mon 5/47:20 pm
SAN
- BOS
1 stop7h 40m
American Airlines
Sat 5/94:24 pm
BOS
- SAN
1 stop8h 31m
American Airlines
Deal found 4/20![American Airlines logo]()
$237
This Southwest deal was found by Cheapflights users on 4/20. 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 9/19:30 pm
SAN
- BOS
Nonstop5h 30m
Southwest
Wed 9/99:05 am
BOS
- SAN
Nonstop5h 55m
Southwest
Deal found 4/20![Southwest logo]()
$239
This Cheapflightsfares deal was found by Cheapflights users on 4/20. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/38:44 pm
SAN
- BOS
Nonstop5h 39m
JetBlue
Tue 6/236:05 am
BOS
- SAN
Nonstop6h 05m
JetBlue
Deal found 4/20![JetBlue logo]()
$242
This Alaska Airlines deal was found by Cheapflights users on 4/22. 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.
Sun 5/247:00 am
SAN
- BOS
Nonstop5h 48m
Alaska Airlines
Thu 5/286:40 pm
BOS
- SAN
Nonstop6h 29m
Alaska Airlines
Deal found 4/22![Alaska Airlines logo]()
$246
This American Airlines deal was found by Cheapflights users on 4/20. 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.
Thu 5/71:16 pm
SAN
- BOS
1 stop8h 08m
American Airlines
Sat 5/164:32 pm
BOS
- SAN
1 stop10h 01m
American Airlines
Deal found 4/20![American Airlines logo]()
$247
This American Airlines deal was found by Cheapflights users on 4/20. 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.
Wed 9/29:40 pm
SAN
- BOS
1 stop9h 19m
American Airlines
Wed 9/91:11 pm
BOS
- SAN
1 stop9h 49m
American Airlines
Deal found 4/20![American Airlines logo]()
$248
This SmartFares deal was found by Cheapflights users on 4/19. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/188:30 pm
SAN
- BOS
Nonstop5h 39m
JetBlue
Mon 5/256:37 am
BOS
- SAN
Nonstop6h 15m
JetBlue
Deal found 4/19![JetBlue logo]()
$249
This Delta deal was found by Cheapflights users on 4/22. 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.
Tue 5/269:49 pm
SAN
- BOS
Nonstop5h 41m
Delta
Thu 6/45:15 pm
BOS
- SAN
Nonstop6h 21m
Delta
Deal found 4/22![Delta logo]()
$251
This American Airlines deal was found by Cheapflights users on 4/23. 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.
Sat 5/236:15 am
SAN
- MHT
1 stop9h 50m
American Airlines
Sat 5/302:57 pm
MHT
- SAN
1 stop8h 56m
American Airlines
Deal found 4/23![American Airlines logo]()
$309
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 April 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 April 23, 2026.
This Delta deal was found by Cheapflights users on 4/20. 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.
Fri 5/159:49 pm
SAN
- BOS
Nonstop5h 41m
Delta
Sat 5/2310:16 am
BOS
- SAN
1 stop9h 14m
Delta
Deal found 4/20![Delta logo]()
$243
This American Airlines deal was found by Cheapflights users on 4/18. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/1310:30 pm
SAN
- ORH
1 stop12h 44m
American Airlines
Sat 5/162:39 pm
ORH
- SAN
1 stop11h 31m
American Airlines
Deal found 4/18![American Airlines logo]()
$312
This JetBlue deal was found by Cheapflights users on 4/22. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/138:30 pm
SAN
- BOS
Nonstop5h 39m
JetBlue
Tue 5/196:00 am
BOS
- SAN
Nonstop6h 15m
JetBlue
Deal found 4/22![JetBlue logo]()
$329
This Southwest deal was found by Cheapflights users on 4/20. 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.
Mon 6/19:40 pm
SAN
- BOS
1 stop7h 35m
Southwest
Tue 6/91:25 pm
BOS
- SAN
2 stops9h 55m
Southwest
Deal found 4/20![Southwest logo]()
$345
This United Airlines deal was found by Cheapflights users on 4/22. 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.
Fri 9/410:40 pm
SAN
- PWM
1 stop8h 32m
United Airlines
Sat 9/126:00 am
PWM
- SAN
1 stop9h 50m
United Airlines
Deal found 4/22![United Airlines logo]()
$410
This Delta deal was found by Cheapflights users on 4/22. 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.
Fri 5/295:01 pm
SAN
- BOS
1 stop10h 19m
Delta
Fri 6/55:15 pm
BOS
- SAN
Nonstop6h 21m
Delta
Deal found 4/22![Delta logo]()
$261
This Alaska Airlines deal was found by Cheapflights users on 4/20. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/246:09 pm
SAN
- MHT
2 stops24h 47m
Alaska Airlines
Mon 9/283:00 pm
MHT
- SAN
2 stops22h 39m
Alaska Airlines
Deal found 4/20![Alaska Airlines logo]()
$587
This American Airlines deal was found by Cheapflights users on 4/19. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/1910:30 pm
SAN
- ORH
1 stop12h 44m
American Airlines
Tue 5/265:18 pm
ORH
- SAN
2 stops18h 42m
American Airlines
Deal found 4/19![American Airlines logo]()
$322
This Delta deal was found by Cheapflights users on 4/22. 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 5/1810:15 pm
SAN
- BOS
1 stop7h 51m
Delta
Tue 5/267:48 am
BOS
- SAN
1 stop10h 00m
Delta
Deal found 4/22![Delta logo]()
$298
This American Airlines deal was found by Cheapflights users on 4/18. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/147:20 pm
SAN
- ORH
2 stops15h 54m
American Airlines
Sat 5/162:39 pm
ORH
- SAN
1 stop11h 31m
American Airlines
Deal found 4/18![American Airlines logo]()
$322
This Southwest deal was found by Cheapflights users on 4/22. 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 6/38:30 am
SAN
- BOS
1 stop7h 05m
Southwest
Sun 6/75:50 am
BOS
- SAN
1 stop7h 15m
Southwest
Deal found 4/22![Southwest logo]()
$362
This Southwest deal was found by Cheapflights users on 4/20. 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 5/2710:10 pm
SAN
- MHT
1 stop10h 20m
Southwest
Sun 9/66:05 am
MHT
- SAN
1 stop14h 10m
Southwest
Deal found 4/20![Southwest logo]()
$363
This United Airlines deal was found by Cheapflights users on 4/18. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/2710:30 pm
SAN
- BOS
2 stops11h 59m
United Airlines
Tue 5/511:27 am
BOS
- SAN
2 stops11h 47m
United Airlines
Deal found 4/18![United Airlines logo]()
$415
This Southwest deal was found by Cheapflights users on 4/19. 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.
Sat 5/3010:40 pm
SAN
- MHT
1 stop9h 00m
Southwest
Tue 6/911:25 am
MHT
- SAN
2 stops11h 10m
Southwest
Deal found 4/19![Southwest logo]()
$363
This Delta deal was found by Cheapflights users on 4/22. 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.
Tue 5/126:15 am
SAN
- PWM
2 stops14h 03m
Delta
Tue 5/1912:50 pm
PWM
- SAN
1 stop8h 11m
Delta
Deal found 4/22![Delta logo]()
$374
This American Airlines deal was found by Cheapflights users on 4/23. 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.
Mon 6/299:55 pm
SAN
- ORH
1 stop15h 58m
American Airlines
Wed 7/155:16 pm
ORH
- SAN
2 stops33h 43m
American Airlines
Deal found 4/23![American Airlines logo]()
$412
This United Airlines deal was found by Cheapflights users on 4/22. 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.
Sat 5/309:59 pm
SAN
- PWM
1 stop9h 08m
United Airlines
Wed 6/36:00 am
PWM
- SAN
1 stop8h 21m
United Airlines
Deal found 4/22![United Airlines logo]()
$454
This Delta deal was found by Cheapflights users on 4/20. 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.
Wed 5/209:49 pm
SAN
- BOS
Nonstop5h 41m
Delta
Mon 6/155:10 pm
BOS
- SAN
Nonstop6h 16m
Delta
Deal found 4/20![Delta logo]()
$377
This Southwest deal was found by Cheapflights users on 4/22. 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 6/242:35 pm
SAN
- BOS
Nonstop5h 25m
Southwest
Mon 6/293:55 pm
BOS
- SAN
1 stop10h 25m
Southwest
Deal found 4/22![Southwest logo]()
$387
This American Airlines deal was found by Cheapflights users on 4/23. 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.
Tue 6/307:15 pm
SAN
- ORH
2 stops18h 38m
American Airlines
Tue 7/145:16 pm
ORH
- SAN
2 stops24h 01m
American Airlines
Deal found 4/23![American Airlines logo]()
$417
This Southwest deal was found by Cheapflights users on 4/19. 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.
Wed 7/16:45 am
SAN
- BOS
1 stop12h 55m
Southwest
Wed 7/154:25 pm
BOS
- SAN
Nonstop6h 10m
Southwest
Deal found 4/19![Southwest logo]()
$391
This Delta deal was found by Cheapflights users on 4/22. 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 5/1111:00 am
SAN
- BOS
1 stop10h 40m
Delta
Mon 5/185:15 pm
BOS
- SAN
Nonstop6h 21m
Delta
Deal found 4/22![Delta logo]()
$395
This American Airlines deal was found by Cheapflights users on 4/23. 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.
Tue 6/307:15 pm
SAN
- ORH
2 stops18h 38m
American Airlines
Wed 7/155:16 pm
ORH
- SAN
2 stops33h 43m
American Airlines
Deal found 4/23![American Airlines logo]()
$417
This Southwest deal was found by Cheapflights users on 4/20. 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 5/2412:40 pm
SAN
- PWM
1 stop7h 30m
Southwest
Tue 6/23:55 pm
PWM
- SAN
1 stop9h 30m
Southwest
Deal found 4/20![Southwest logo]()
$400
This United Airlines deal was found by Cheapflights users on 4/22. 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 9/710:40 pm
SAN
- MHT
2 stops12h 28m
United Airlines
Fri 9/112:43 pm
MHT
- SAN
1 stop8h 46m
United Airlines
Deal found 4/22![United Airlines logo]()
$543
This Delta deal was found by Cheapflights users on 4/22. 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.
Tue 5/126:15 am
SAN
- PWM
2 stops15h 28m
Delta
Fri 5/156:02 am
PWM
- SAN
2 stops18h 58m
Delta
Deal found 4/22![Delta logo]()
$413
This Southwest deal was found by Cheapflights users on 4/18. 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 6/1212:55 pm
SAN
- BOS
2 stops9h 05m
Southwest
Wed 6/175:50 am
BOS
- SAN
2 stops14h 55m
Southwest
Deal found 4/18![Southwest logo]()
$413
This Delta deal was found by Cheapflights users on 4/18. 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 8/2010:40 pm
SAN
- ORH
2 stops12h 59m
Delta
Sun 8/233:18 pm
ORH
- SAN
2 stops24h 27m
Delta
Deal found 4/18![Delta logo]()
$454
This Southwest deal was found by Cheapflights users on 4/23. 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.
Mon 5/183:40 pm
SAN
- MHT
1 stop13h 25m
Southwest
Fri 5/223:15 pm
MHT
- SAN
2 stops10h 50m
Southwest
Deal found 4/23![Southwest logo]()
$450
This Delta deal was found by Cheapflights users on 4/22. 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 5/136:15 am
SAN
- PWM
2 stops13h 57m
Delta
Mon 5/186:00 am
PWM
- SAN
1 stop8h 16m
Delta
Deal found 4/22![Delta logo]()
$472
Last-minute flights from San Diego to New HampshireDiscover last-minute flight deals from San Diego to New Hampshire. Data last updated April 23, 2026 and is based on user searches.
Discover last-minute flight deals from San Diego to New Hampshire. Data last updated April 23, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 4/20. 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.
Mon 5/47:20 pm
SAN
- BOS
1 stop7h 40m
American Airlines
Sat 5/94:24 pm
BOS
- SAN
1 stop8h 31m
American Airlines
Deal found 4/20![American Airlines logo]()
$237
This American Airlines deal was found by Cheapflights users on 4/20. 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.
Thu 5/71:16 pm
SAN
- BOS
1 stop8h 08m
American Airlines
Sat 5/164:32 pm
BOS
- SAN
1 stop10h 01m
American Airlines
Deal found 4/20![American Airlines logo]()
$247
This Delta deal was found by Cheapflights users on 4/21. 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.
Mon 5/119:49 pm
SAN
- BOS
Nonstop5h 41m
Delta
Fri 5/155:15 pm
BOS
- SAN
Nonstop6h 21m
Delta
Deal found 4/21![Delta logo]()
$233
This Delta deal was found by Cheapflights users on 4/20. 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.
Mon 5/111:50 pm
SAN
- BOS
1 stop8h 33m
Delta
Sat 5/165:40 am
BOS
- SAN
1 stop7h 38m
Delta
Deal found 4/20![Delta logo]()
$235
This Delta deal was found by Cheapflights users on 4/21. 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.
Mon 5/1110:15 pm
SAN
- BOS
1 stop7h 51m
Delta
Thu 5/145:40 am
BOS
- SAN
1 stop7h 43m
Delta
Deal found 4/21![Delta logo]()
$254
This American Airlines deal was found by Cheapflights users on 4/19. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/1310:30 pm
SAN
- ORH
1 stop12h 44m
American Airlines
Sat 5/162:39 pm
ORH
- SAN
1 stop11h 31m
American Airlines
Deal found 4/19![American Airlines logo]()
$312
This SmartFares deal was found by Cheapflights users on 4/19. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/188:30 pm
SAN
- BOS
Nonstop5h 39m
JetBlue
Mon 5/256:37 am
BOS
- SAN
Nonstop6h 15m
JetBlue
Deal found 4/19![JetBlue logo]()
$249
This American Airlines deal was found by Cheapflights users on 4/23. 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.
Sat 5/236:15 am
SAN
- MHT
1 stop9h 50m
American Airlines
Sat 5/302:57 pm
MHT
- SAN
1 stop8h 56m
American Airlines
Deal found 4/23![American Airlines logo]()
$309
This Alaska Airlines deal was found by Cheapflights users on 4/22. 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.
Sun 5/247:00 am
SAN
- BOS
Nonstop5h 48m
Alaska Airlines
Thu 5/286:40 pm
BOS
- SAN
Nonstop6h 29m
Alaska Airlines
Deal found 4/22![Alaska Airlines logo]()
$246
This Delta deal was found by Cheapflights users on 4/22. 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.
Tue 5/269:49 pm
SAN
- BOS
Nonstop5h 41m
Delta
Mon 6/15:15 pm
BOS
- SAN
Nonstop6h 21m
Delta
Deal found 4/22![Delta logo]()
$251
This Delta deal was found by Cheapflights users on 4/20. 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.
Fri 5/291:50 pm
SAN
- BOS
1 stop8h 38m
Delta
Tue 6/25:15 pm
BOS
- SAN
Nonstop6h 21m
Delta
Deal found 4/20![Delta logo]()
$234
This Delta deal was found by Cheapflights users on 4/22. 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.
Fri 5/2911:00 am
SAN
- BOS
1 stop10h 40m
Delta
Thu 6/44:30 pm
BOS
- SAN
1 stop9h 45m
Delta
Deal found 4/22![Delta logo]()
$253
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 April 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 April 23, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/274:17 pm
SAN
- BOS
2 stops36h 32m
Frontier
Deal found 4/22![Frontier logo]()
$145
This Kiwi.com deal was found by Cheapflights users on 4/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/126:25 am
SAN
- BOS
2 stops15h 59m
Frontier
Deal found 4/21![Frontier logo]()
$146
This Super.com deal was found by Cheapflights users on 4/21. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/48:44 pm
SAN
- BOS
Nonstop5h 39m
JetBlue
Deal found 4/21![JetBlue logo]()
$147
This Cheapflightsfares deal was found by Cheapflights users on 4/20. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/158:40 pm
SAN
- BOS
Nonstop5h 40m
JetBlue
Deal found 4/20![JetBlue logo]()
$148
This Alaska Airlines deal was found by Cheapflights users on 4/20. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/188:52 pm
SAN
- BOS
Nonstop5h 48m
Alaska Airlines
Deal found 4/20![Alaska Airlines logo]()
$149
This Kiwi.com deal was found by Cheapflights users on 4/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/57:34 pm
SAN
- BOS
2 stops26h 50m
Frontier
Deal found 4/20![Frontier logo]()
$152
This Southwest deal was found by Cheapflights users on 4/22. 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 6/52:35 pm
SAN
- BOS
Nonstop5h 25m
Southwest
Deal found 4/22![Southwest logo]()
$154
This Kiwi.com deal was found by Cheapflights users on 4/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/311:38 pm
SAN
- BOS
2 stops39h 11m
Frontier
Deal found 4/21![Frontier logo]()
$155
This American Airlines deal was found by Cheapflights users on 4/21. 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.
Wed 5/271:19 pm
SAN
- BOS
1 stop7h 56m
American Airlines
Deal found 4/21![American Airlines logo]()
$156
This United Airlines deal was found by Cheapflights users on 4/22. 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.
Thu 5/1410:40 pm
SAN
- BOS
1 stop7h 45m
United Airlines
Deal found 4/22![United Airlines logo]()
$157
This United Airlines deal was found by Cheapflights users on 4/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/710:40 pm
SAN
- BOS
1 stop7h 59m
United Airlines
Deal found 4/21![United Airlines logo]()
$158
This Cheapflightsfares deal was found by Cheapflights users on 4/20. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/88:25 pm
SAN
- BOS
Nonstop5h 39m
JetBlue
Deal found 4/20![JetBlue logo]()
$159
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 April 23, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $233 (Delta) |
One-way from | $145 (Kiwi.com) |
Popular in | December |
Cheapest in | January |
Average price | $444 |
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 April 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
San DiegoBoston
SAN - BOS
SANBOS
San Diego
Fri 5/15
9:49 pm-6:30 am
Nonstop5h 41m
Boston Logan Intl
Sat 5/23
10:16 am-4:30 pm
1 stop9h 14m
$243
San DiegoBoston
SAN - BOS
SANBOS
San Diego
Fri 5/29
5:01 pm-6:20 am
1 stop10h 19m
Boston Logan Intl
Fri 6/5
5:15 pm-8:36 pm
Nonstop6h 21m
$261
San DiegoBoston
SAN - BOS
SANBOS
San Diego
Mon 5/18
10:15 pm-9:06 am
1 stop7h 51m
Boston Logan Intl
Tue 5/26
7:48 am-2:48 pm
1 stop10h 00m
$298
San DiegoWorcester
SAN - ORH
SANORH
San Diego
Wed 5/13
10:30 pm-2:14 pm
1 stop12h 44m
Worcester
Sat 5/16
2:39 pm-11:10 pm
1 stop11h 31m
$312
San DiegoWorcester
SAN - ORH
SANORH
San Diego
Tue 5/19
10:30 pm-2:14 pm
1 stop12h 44m
Worcester
Tue 5/26
5:18 pm-9:00 am
2 stops18h 42m
$322
San DiegoWorcester
SAN - ORH
SANORH
San Diego
Thu 5/14
7:20 pm-2:14 pm
2 stops15h 54m
Worcester
Sat 5/16
2:39 pm-11:10 pm
1 stop11h 31m
$322
Quickest round-trip
San DiegoBoston
SAN - BOS
SANBOS
San Diego
Wed 5/13
8:30 pm-5:09 am
Nonstop5h 39m
Boston Logan Intl
Tue 5/19
6:00 am-9:15 am
Nonstop6h 15m
$329
San DiegoBoston
SAN - BOS
SANBOS
San Diego
Mon 6/1
9:40 pm-8:15 am
1 stop7h 35m
Boston Logan Intl
Tue 6/9
1:25 pm-8:20 pm
2 stops9h 55m
$345
San DiegoBoston
SAN - BOS
SANBOS
San Diego
Wed 6/3
8:30 am-6:35 pm
1 stop7h 05m
Boston Logan Intl
Sun 6/7
5:50 am-10:05 am
1 stop7h 15m
$362
San DiegoManchester
SAN - MHT
SANMHT
San Diego
Wed 5/27
10:10 pm-11:30 am
1 stop10h 20m
Manchester
Sun 9/6
6:05 am-5:15 pm
1 stop14h 10m
$363
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-BOS
SAN-ORH
SAN-PWM
SAN-MHT
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-BOS
SAN-ORH
SAN-PWM
SAN-MHT
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 $208). Flying from San Diego to New Hampshire in March is currently the most expensive (average of $929). 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?
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 April 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.
Crew
8.6
Comfort
8.0
Food
7.0
Overall
8.0
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Crew
8.6
Comfort
8.0
Food
7.0
Overall
8.0
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Crew
8.6
Comfort
8.0
Food
7.0
Overall
8.0
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
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
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Complete your trip
Complete your trip to New Hampshire by adding a car rental and/or hotel reservation to your travel itinerary.
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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 April 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 April 23, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$286 | Average$421 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$286 | Average$405 | FlexibilityNo cancel fee | On-time71% |