$127+ 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 9/23. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — MHT
Jul 9 — Jul 161
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 June 9, 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 June 9, 2026.
This United Airlines deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/710:55 am
SAN
- BOS
1 stop8h 04m
United Airlines
Tue 7/146:00 am
BOS
- SAN
1 stop8h 21m
United Airlines
Deal found 6/7![United Airlines logo]()
$257
This American Airlines deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/49:55 pm
SAN
- BOS
1 stop7h 36m
American Airlines
Tue 8/186:45 am
BOS
- SAN
1 stop8h 12m
American Airlines
Deal found 6/5![American Airlines logo]()
$258
This Southwest deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/269:30 pm
SAN
- BOS
Nonstop5h 30m
Southwest
Sat 10/35:25 am
BOS
- SAN
1 stop8h 00m
Southwest
Deal found 6/7![Southwest logo]()
$260
This Cheapflightsfares deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/108:30 pm
SAN
- BOS
1 stop11h 46m
JetBlue
Mon 9/76:05 am
BOS
- SAN
Nonstop6h 05m
JetBlue
Deal found 6/7![JetBlue logo]()
$262
This Southwest deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/169:50 pm
SAN
- BOS
1 stop7h 25m
Southwest
Tue 10/208:20 am
BOS
- SAN
Nonstop6h 10m
Southwest
Deal found 6/7![Southwest logo]()
$263
This Kiwi.com deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/68:52 pm
SAN
- BOS
Nonstop5h 48m
Alaska Airlines
Wed 7/158:28 am
BOS
- SAN
Nonstop6h 15m
Alaska Airlines
Deal found 6/7![Alaska Airlines logo]()
$264
This Expedia deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/78:52 pm
SAN
- BOS
Nonstop5h 48m
Alaska Airlines
Thu 8/134:33 pm
BOS
- SAN
Nonstop6h 20m
Alaska Airlines
Deal found 6/7![Alaska Airlines logo]()
$265
This Alaska Airlines deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/158:52 pm
SAN
- BOS
Nonstop5h 48m
Alaska Airlines
Sat 8/228:00 am
BOS
- SAN
Nonstop6h 12m
Alaska Airlines
Deal found 6/7![Alaska Airlines logo]()
$267
This Southwest deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” 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 9/249:30 pm
SAN
- BOS
Nonstop5h 30m
Southwest
Mon 9/285:00 am
BOS
- SAN
1 stop8h 10m
Southwest
Deal found 6/8![Southwest logo]()
$268
This SmartFares deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/88:40 pm
SAN
- BOS
Nonstop5h 39m
JetBlue
Wed 7/156:05 am
BOS
- SAN
Nonstop6h 04m
JetBlue
Deal found 6/4![JetBlue logo]()
$269
This flygcity.se deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure flygcity.se is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/38:40 pm
SAN
- BOS
Nonstop5h 39m
JetBlue
Wed 8/124:20 pm
BOS
- SAN
Nonstop6h 08m
JetBlue
Deal found 6/8![JetBlue logo]()
$270
This Southwest deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” 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 8/36:40 am
SAN
- BOS
1 stop7h 30m
Southwest
Wed 8/122:30 pm
BOS
- SAN
1 stop9h 15m
Southwest
Deal found 6/8![Southwest logo]()
$271
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 June 9, 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 June 9, 2026.
This Delta deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/2510:02 pm
SAN
- BOS
Nonstop5h 38m
Delta
Wed 9/25:20 pm
BOS
- SAN
Nonstop6h 15m
Delta
Deal found 6/7![Delta logo]()
$267
This Southwest deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/72:45 pm
SAN
- BOS
Nonstop5h 35m
Southwest
Tue 7/215:50 am
BOS
- SAN
1 stop7h 20m
Southwest
Deal found 6/5![Southwest logo]()
$287
This Alaska Airlines deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/88:52 pm
SAN
- BOS
Nonstop5h 48m
Alaska Airlines
Sat 7/118:28 am
BOS
- SAN
Nonstop6h 15m
Alaska Airlines
Deal found 6/6![Alaska Airlines logo]()
$300
This JetBlue deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” 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 9/99:30 pm
SAN
- BOS
1 stop10h 16m
JetBlue
Sat 9/121:00 pm
BOS
- SAN
1 stop10h 01m
JetBlue
Deal found 6/8![JetBlue logo]()
$301
This American Airlines deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/76:15 am
SAN
- ORH
1 stop7h 36m
American Airlines
Mon 7/135:16 pm
ORH
- SAN
1 stop21h 04m
American Airlines
Deal found 6/7![American Airlines logo]()
$328
This United Airlines deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/236:30 am
SAN
- PWM
2 stops14h 02m
United Airlines
Sat 9/265:15 am
PWM
- SAN
1 stop9h 10m
United Airlines
Deal found 6/6![United Airlines logo]()
$482
This Delta deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/41:20 pm
SAN
- BOS
Nonstop5h 36m
Delta
Mon 7/135:10 pm
BOS
- SAN
Nonstop6h 15m
Delta
Deal found 6/6![Delta logo]()
$267
This Southwest deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/123:55 pm
SAN
- BOS
Nonstop5h 30m
Southwest
Wed 8/199:25 am
BOS
- SAN
1 stop8h 30m
Southwest
Deal found 6/5![Southwest logo]()
$297
This JetBlue deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/111:45 pm
SAN
- BOS
Nonstop5h 22m
JetBlue
Sat 11/143:35 pm
BOS
- SAN
Nonstop6h 19m
JetBlue
Deal found 6/4![JetBlue logo]()
$323
This Southwest deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/59:30 pm
SAN
- BOS
Nonstop5h 30m
Southwest
Sat 9/125:40 am
BOS
- SAN
1 stop7h 50m
Southwest
Deal found 6/4![Southwest logo]()
$300
This Southwest deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/810:40 pm
SAN
- BOS
1 stop9h 15m
Southwest
Wed 7/153:45 pm
BOS
- SAN
1 stop10h 40m
Southwest
Deal found 6/4![Southwest logo]()
$310
This Southwest deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/229:30 pm
SAN
- BOS
Nonstop5h 30m
Southwest
Tue 9/299:05 am
BOS
- SAN
Nonstop5h 55m
Southwest
Deal found 6/4![Southwest logo]()
$313
This Delta deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” 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 8/146:15 am
SAN
- PWM
2 stops15h 44m
Delta
Wed 8/196:00 am
PWM
- SAN
2 stops15h 06m
Delta
Deal found 6/8![Delta logo]()
$387
This American Airlines deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/99:55 pm
SAN
- ORH
1 stop15h 56m
American Airlines
Mon 7/135:16 pm
ORH
- SAN
2 stops18h 48m
American Airlines
Deal found 6/5![American Airlines logo]()
$457
This Southwest deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/66:35 am
SAN
- BOS
1 stop8h 15m
Southwest
Thu 8/133:00 pm
BOS
- SAN
2 stops9h 55m
Southwest
Deal found 6/6![Southwest logo]()
$322
This Delta deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” 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 9/2412:42 pm
SAN
- PWM
1 stop7h 43m
Delta
Mon 10/52:35 pm
PWM
- SAN
1 stop8h 53m
Delta
Deal found 6/8![Delta logo]()
$405
This Delta deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” 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 8/2710:17 pm
SAN
- PWM
2 stops12h 56m
Delta
Sun 9/66:05 am
PWM
- SAN
1 stop8h 15m
Delta
Deal found 6/8![Delta logo]()
$428
This United Airlines deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” 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 9/262:00 pm
SAN
- MHT
2 stops26h 01m
United Airlines
Wed 9/302:50 pm
MHT
- SAN
2 stops12h 41m
United Airlines
Deal found 6/8![United Airlines logo]()
$572
This American Airlines deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/206:15 am
SAN
- ORH
1 stop7h 38m
American Airlines
Wed 6/245:18 pm
ORH
- SAN
2 stops18h 39m
American Airlines
Deal found 6/5![American Airlines logo]()
$562
This Southwest deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” 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 7/1410:40 pm
SAN
- MHT
1 stop9h 10m
Southwest
Tue 7/215:45 am
MHT
- SAN
1 stop8h 25m
Southwest
Deal found 6/8![Southwest logo]()
$397
This Delta deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/1310:15 pm
SAN
- ORH
2 stops15h 45m
Delta
Thu 8/135:40 pm
ORH
- SAN
2 stops30h 18m
Delta
Deal found 6/7![Delta logo]()
$457
This Delta deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/1310:30 pm
SAN
- PWM
2 stops11h 52m
Delta
Tue 11/176:00 am
PWM
- SAN
1 stop10h 08m
Delta
Deal found 6/4![Delta logo]()
$458
This Southwest deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” 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 7/97:40 pm
SAN
- MHT
2 stops10h 00m
Southwest
Tue 7/149:10 am
MHT
- SAN
2 stops13h 25m
Southwest
Deal found 6/9![Southwest logo]()
$426
This Southwest deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/169:25 pm
SAN
- MHT
2 stops10h 25m
Southwest
Tue 7/213:55 pm
MHT
- SAN
1 stop10h 35m
Southwest
Deal found 6/7![Southwest logo]()
$432
This Delta deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/127:30 pm
SAN
- PWM
2 stops13h 48m
Delta
Sun 10/186:00 am
PWM
- SAN
2 stops13h 06m
Delta
Deal found 6/5![Delta logo]()
$487
This Delta deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” 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 7/2210:54 am
SAN
- PWM
2 stops11h 05m
Delta
Fri 7/316:00 am
PWM
- SAN
1 stop8h 34m
Delta
Deal found 6/8![Delta logo]()
$496
This Southwest deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/189:25 pm
SAN
- MHT
1 stop7h 40m
Southwest
Mon 7/207:00 pm
MHT
- SAN
1 stop7h 30m
Southwest
Deal found 6/5![Southwest logo]()
$457
This Southwest deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/136:30 am
SAN
- PWM
1 stop7h 00m
Southwest
Tue 11/1710:30 am
PWM
- SAN
2 stops11h 15m
Southwest
Deal found 6/4![Southwest logo]()
$458
This Delta deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/1310:15 pm
SAN
- ORH
2 stops15h 45m
Delta
Wed 8/125:40 pm
ORH
- SAN
2 stops30h 18m
Delta
Deal found 6/7![Delta logo]()
$513
This Delta deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/1310:15 pm
SAN
- ORH
2 stops15h 45m
Delta
Tue 8/115:40 pm
ORH
- SAN
2 stops22h 36m
Delta
Deal found 6/7![Delta logo]()
$513
Last-minute flights from San Diego to New HampshireDiscover last-minute flight deals from San Diego to New Hampshire. Data last updated June 9, 2026 and is based on user searches.
Discover last-minute flight deals from San Diego to New Hampshire. Data last updated June 9, 2026 and is based on user searches.
This Expedia deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/38:44 pm
SAN
- BOS
1 stop9h 01m
Multiple Airlines
Wed 8/128:28 am
BOS
- SAN
Nonstop6h 15m
Multiple Airlines
Deal found 6/7![Multiple Airlines logo]()
$262
This JetBlue deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” 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.
Fri 7/38:40 pm
SAN
- BOS
Nonstop5h 40m
JetBlue
Wed 7/156:05 am
BOS
- SAN
Nonstop6h 04m
JetBlue
Deal found 6/8![JetBlue logo]()
$280
This Super.com deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” 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 7/38:44 pm
SAN
- BOS
1 stop9h 01m
JetBlue
Mon 9/75:01 am
BOS
- SAN
1 stop8h 17m
JetBlue
Deal found 6/8![JetBlue logo]()
$285
This American Airlines deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/49:55 pm
SAN
- BOS
1 stop7h 36m
American Airlines
Tue 8/186:45 am
BOS
- SAN
1 stop8h 12m
American Airlines
Deal found 6/5![American Airlines logo]()
$258
This Alaska Airlines deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/47:00 am
SAN
- BOS
Nonstop5h 51m
Alaska Airlines
Wed 8/124:33 pm
BOS
- SAN
Nonstop6h 20m
Alaska Airlines
Deal found 6/7![Alaska Airlines logo]()
$267
This Kiwi.com deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/68:52 pm
SAN
- BOS
Nonstop5h 48m
Alaska Airlines
Wed 7/158:28 am
BOS
- SAN
Nonstop6h 15m
Alaska Airlines
Deal found 6/7![Alaska Airlines logo]()
$264
This American Airlines deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” 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 7/69:55 pm
SAN
- BOS
1 stop9h 00m
American Airlines
Tue 7/147:00 am
BOS
- SAN
1 stop8h 03m
American Airlines
Deal found 6/8![American Airlines logo]()
$274
This United Airlines deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/710:55 am
SAN
- BOS
1 stop8h 04m
United Airlines
Tue 7/146:00 am
BOS
- SAN
1 stop8h 21m
United Airlines
Deal found 6/7![United Airlines logo]()
$257
This American Airlines deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/79:55 pm
SAN
- BOS
1 stop7h 51m
American Airlines
Tue 7/147:00 am
BOS
- SAN
1 stop10h 17m
American Airlines
Deal found 6/5![American Airlines logo]()
$272
This Southwest deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” 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 7/72:45 pm
SAN
- BOS
Nonstop5h 35m
Southwest
Tue 7/145:00 am
BOS
- SAN
1 stop7h 40m
Southwest
Deal found 6/8![Southwest logo]()
$277
This SmartFares deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/88:40 pm
SAN
- BOS
Nonstop5h 39m
JetBlue
Wed 7/156:05 am
BOS
- SAN
Nonstop6h 04m
JetBlue
Deal found 6/4![JetBlue logo]()
$269
This Alaska Airlines deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/86:35 pm
SAN
- BOS
1 stop10h 05m
Alaska Airlines
Wed 8/128:28 am
BOS
- SAN
Nonstop6h 15m
Alaska Airlines
Deal found 6/7![Alaska Airlines logo]()
$282
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 June 9, 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 June 9, 2026.
This Flysmarter deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/2310:40 am
SAN
- PWM
1 stop10h 12m
JetBlue
Deal found 6/7![JetBlue logo]()
$127
This Priceline deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” 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.
Fri 9/1110:40 am
SAN
- PWM
1 stop10h 12m
JetBlue
Deal found 6/8![JetBlue logo]()
$129
This Southwest deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/49:30 pm
SAN
- BOS
Nonstop5h 30m
Southwest
Deal found 6/7![Southwest logo]()
$147
This Cheapflightsfares deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” 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 7/38:40 pm
SAN
- BOS
Nonstop5h 40m
JetBlue
Deal found 6/8![JetBlue logo]()
$148
This American Airlines deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” 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 8/611:10 am
SAN
- BOS
1 stop7h 56m
American Airlines
Deal found 6/8![American Airlines logo]()
$150
This Southwest deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” 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 8/131:50 pm
SAN
- BOS
1 stop7h 40m
Southwest
Deal found 6/8![Southwest logo]()
$152
This JetBlue deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” 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.
Fri 8/1410:20 am
SAN
- BOS
Nonstop5h 46m
JetBlue
Deal found 6/8![JetBlue logo]()
$153
This Delta deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/199:54 pm
SAN
- BOS
Nonstop5h 36m
Delta
Deal found 6/6![Delta logo]()
$154
This Southwest deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” 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 8/1210:40 pm
SAN
- BOS
2 stops13h 15m
Southwest
Deal found 6/8![Southwest logo]()
$155
This American Airlines deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” 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 8/116:15 am
SAN
- PWM
1 stop8h 51m
American Airlines
Deal found 6/9![American Airlines logo]()
$156
This Southwest deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/169:50 pm
SAN
- BOS
1 stop9h 10m
Southwest
Deal found 6/7![Southwest logo]()
$157
This Cheapflightsfares deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” 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.
Sat 7/188:30 pm
SAN
- BOS
1 stop7h 44m
JetBlue
Deal found 6/8![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 June 9, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $257 (United Airlines) |
One-way from | $127 (Flysmarter) |
Popular in | December |
Cheapest in | January |
Average price | $374 |
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 June 9, 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
Tue 8/25
10:02 pm-6:40 am
Nonstop5h 38m
Boston Logan Intl
Wed 9/2
5:20 pm-8:35 pm
Nonstop6h 15m
$267
San DiegoBoston
SAN - BOS
SANBOS
San Diego
Sat 7/4
1:20 pm-9:56 pm
Nonstop5h 36m
Boston Logan Intl
Mon 7/13
5:10 pm-8:25 pm
Nonstop6h 15m
$267
San DiegoBoston
SAN - BOS
SANBOS
San Diego
Tue 7/7
2:45 pm-11:20 pm
Nonstop5h 35m
Boston Logan Intl
Tue 7/21
5:50 am-10:10 am
1 stop7h 20m
$287
San DiegoBoston
SAN - BOS
SANBOS
San Diego
Wed 8/12
3:55 pm-12:25 am
Nonstop5h 30m
Boston Logan Intl
Wed 8/19
9:25 am-2:55 pm
1 stop8h 30m
$297
San DiegoBoston
SAN - BOS
SANBOS
San Diego
Wed 7/8
8:52 pm-5:40 am
Nonstop5h 48m
Boston Logan Intl
Sat 7/11
8:28 am-11:43 am
Nonstop6h 15m
$300
San DiegoBoston
SAN - BOS
SANBOS
San Diego
Sat 9/5
9:30 pm-6:00 am
Nonstop5h 30m
Boston Logan Intl
Sat 9/12
5:40 am-10:30 am
1 stop7h 50m
$300
San DiegoBoston
SAN - BOS
SANBOS
San Diego
Wed 9/9
9:30 pm-10:46 am
1 stop10h 16m
Boston Logan Intl
Sat 9/12
1:00 pm-8:01 pm
1 stop10h 01m
$301
San DiegoBoston
SAN - BOS
SANBOS
San Diego
Wed 7/8
10:40 pm-10:55 am
1 stop9h 15m
Boston Logan Intl
Wed 7/15
3:45 pm-11:25 pm
1 stop10h 40m
$310
Quickest round-trip
San DiegoBoston
SAN - BOS
SANBOS
San Diego
Tue 9/22
9:30 pm-6:00 am
Nonstop5h 30m
Boston Logan Intl
Tue 9/29
9:05 am-12:00 pm
Nonstop5h 55m
$313
San DiegoBoston
SAN - BOS
SANBOS
San Diego
Thu 8/6
6:35 am-5:50 pm
1 stop8h 15m
Boston Logan Intl
Thu 8/13
3:00 pm-9:55 pm
2 stops9h 55m
$322
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 June 9, 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
7.9
Food
7.0
Comfort
8.0
Crew
8.6
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Overall
7.9
Food
7.0
Comfort
8.0
Crew
8.6
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Overall
7.9
Food
7.0
Comfort
8.0
Crew
8.6
Boarding
8.1
Entertainment
7.5
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 June 9, 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 June 9, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$245 | Average$442 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$286 | Average$405 | FlexibilityNo cancel fee | On-time71% |