$138+ 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 8/10. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — MHT
Aug 8 — Aug 151
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 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 July 9, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 7/5. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/28:17 pm
SAN
- BOS
Nonstop5h 43m
JetBlue
Wed 9/93:35 pm
BOS
- SAN
Nonstop6h 13m
JetBlue
Deal found 7/5![JetBlue logo]()
$274
This Cheapflightsfares deal was found by Cheapflights users on 7/7. 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.
Wed 9/98:20 pm
SAN
- BOS
Nonstop5h 44m
JetBlue
Thu 9/1711:20 am
BOS
- SAN
1 stop11h 41m
JetBlue
Deal found 7/7![JetBlue logo]()
$275
This American Airlines deal was found by Cheapflights users on 7/7. 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.
Wed 8/269:48 am
SAN
- PWM
1 stop10h 00m
American Airlines
Wed 9/210:56 am
PWM
- SAN
1 stop11h 19m
American Airlines
Deal found 7/7![American Airlines logo]()
$275
This Southwest deal was found by Cheapflights users on 7/7. 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 8/213:55 pm
SAN
- BOS
Nonstop5h 30m
Southwest
Sun 8/235:30 am
BOS
- SAN
1 stop7h 40m
Southwest
Deal found 7/7![Southwest logo]()
$276
This Southwest deal was found by Cheapflights users on 7/5. 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.
Thu 8/133:55 pm
SAN
- BOS
Nonstop5h 30m
Southwest
Thu 8/201:30 pm
BOS
- SAN
1 stop8h 15m
Southwest
Deal found 7/5![Southwest logo]()
$277
This Southwest deal was found by Cheapflights users on 7/8. 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 9/2911:45 am
SAN
- BOS
1 stop9h 20m
Southwest
Fri 10/210:40 am
BOS
- SAN
2 stops12h 50m
Southwest
Deal found 7/8![Southwest logo]()
$278
This United Airlines deal was found by Cheapflights users on 7/7. 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.
Mon 9/142:15 pm
SAN
- BOS
1 stop7h 55m
United Airlines
Sun 9/206:00 am
BOS
- SAN
1 stop8h 25m
United Airlines
Deal found 7/7![United Airlines logo]()
$279
This Southwest deal was found by Cheapflights users on 7/7. 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.
Mon 8/109:00 pm
SAN
- BOS
2 stops9h 30m
Southwest
Wed 8/1910:05 am
BOS
- SAN
2 stops11h 15m
Southwest
Deal found 7/7![Southwest logo]()
$280
This American Airlines deal was found by Cheapflights users on 7/7. 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.
Sat 8/229:36 pm
SAN
- BOS
1 stop8h 10m
American Airlines
Thu 8/276:13 pm
BOS
- SAN
1 stop8h 46m
American Airlines
Deal found 7/7![American Airlines logo]()
$281
This Southwest deal was found by Cheapflights users on 7/7. 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 10/109:45 am
SAN
- MHT
1 stop9h 10m
Southwest
Sat 10/1712:45 pm
MHT
- SAN
1 stop11h 10m
Southwest
Deal found 7/7![Southwest logo]()
$281
This Southwest deal was found by Cheapflights users on 7/8. 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 9/912:20 pm
SAN
- BOS
2 stops8h 45m
Southwest
Tue 9/152:45 pm
BOS
- SAN
2 stops10h 15m
Southwest
Deal found 7/8![Southwest logo]()
$282
This American Airlines deal was found by Cheapflights users on 7/9. 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.
Fri 8/79:36 pm
SAN
- BOS
1 stop9h 36m
American Airlines
Fri 8/145:27 am
BOS
- SAN
1 stop7h 40m
American Airlines
Deal found 7/9![American Airlines logo]()
$283
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 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 July 9, 2026.
This Southwest deal was found by Cheapflights users on 7/6. 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.
Sun 8/93:55 pm
SAN
- BOS
Nonstop5h 30m
Southwest
Thu 8/135:40 am
BOS
- SAN
1 stop9h 15m
Southwest
Deal found 7/6![Southwest logo]()
$277
This Delta deal was found by Cheapflights users on 7/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/179:30 pm
SAN
- PWM
2 stops12h 02m
Delta
Fri 8/212:53 pm
PWM
- SAN
1 stop8h 43m
Delta
Deal found 7/9![Delta logo]()
$302
This Alaska Airlines deal was found by Cheapflights users on 7/7. 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.
Fri 8/288:59 pm
SAN
- BOS
Nonstop5h 50m
Alaska Airlines
Thu 9/37:59 pm
BOS
- SAN
1 stop17h 40m
Alaska Airlines
Deal found 7/7![Alaska Airlines logo]()
$330
This United Airlines deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/142:00 pm
SAN
- BOS
1 stop8h 14m
United Airlines
Tue 7/285:45 am
BOS
- SAN
1 stop8h 04m
United Airlines
Deal found 7/4![United Airlines logo]()
$335
This American Airlines deal was found by Cheapflights users on 7/5. 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.
Wed 10/286:20 am
SAN
- ORH
1 stop7h 29m
American Airlines
Tue 11/33:29 pm
ORH
- SAN
1 stop9h 10m
American Airlines
Deal found 7/5![American Airlines logo]()
$338
This Southwest deal was found by Cheapflights users on 7/7. 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.
Mon 8/109:00 pm
SAN
- BOS
2 stops9h 30m
Southwest
Wed 8/1910:05 am
BOS
- SAN
2 stops11h 15m
Southwest
Deal found 7/7![Southwest logo]()
$280
This Delta deal was found by Cheapflights users on 7/7. 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 9/287:58 pm
SAN
- PWM
2 stops11h 47m
Delta
Fri 10/24:20 pm
PWM
- SAN
1 stop10h 14m
Delta
Deal found 7/7![Delta logo]()
$302
This Southwest deal was found by Cheapflights users on 7/9. 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 9/243:55 pm
SAN
- BOS
Nonstop5h 30m
Southwest
Mon 9/283:25 pm
BOS
- SAN
2 stops9h 30m
Southwest
Deal found 7/9![Southwest logo]()
$280
This Delta deal was found by Cheapflights users on 7/8. 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.
Sat 9/126:15 am
SAN
- PWM
2 stops12h 10m
Delta
Sat 9/196:30 am
PWM
- SAN
2 stops10h 40m
Delta
Deal found 7/8![Delta logo]()
$307
This Southwest deal was found by Cheapflights users on 7/7. 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 10/109:45 am
SAN
- MHT
1 stop9h 10m
Southwest
Sat 10/178:05 am
MHT
- SAN
2 stops11h 30m
Southwest
Deal found 7/7![Southwest logo]()
$287
This United Airlines deal was found by Cheapflights users on 7/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/86:40 am
SAN
- MHT
2 stops14h 19m
United Airlines
Fri 8/142:46 pm
MHT
- SAN
1 stop8h 43m
United Airlines
Deal found 7/9![United Airlines logo]()
$350
This Southwest deal was found by Cheapflights users on 7/6. 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.
Fri 9/43:55 pm
SAN
- BOS
Nonstop5h 30m
Southwest
Mon 9/75:40 am
BOS
- SAN
1 stop7h 40m
Southwest
Deal found 7/6![Southwest logo]()
$292
This Delta deal was found by Cheapflights users on 7/7. 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.
Fri 10/210:04 pm
SAN
- BOS
Nonstop5h 36m
Delta
Sun 10/45:10 pm
BOS
- SAN
Nonstop6h 05m
Delta
Deal found 7/7![Delta logo]()
$330
This Southwest deal was found by Cheapflights users on 7/7. 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 9/103:55 pm
SAN
- BOS
Nonstop5h 30m
Southwest
Sun 9/2012:55 pm
BOS
- SAN
Nonstop5h 55m
Southwest
Deal found 7/7![Southwest logo]()
$297
This American Airlines deal was found by Cheapflights users on 7/4. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/49:36 pm
SAN
- MHT
1 stop9h 31m
American Airlines
Sun 9/205:59 pm
MHT
- SAN
1 stop8h 26m
American Airlines
Deal found 7/4![American Airlines logo]()
$457
This Southwest deal was found by Cheapflights users on 7/6. 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.
Tue 8/113:55 pm
SAN
- BOS
Nonstop5h 30m
Southwest
Sun 8/168:00 am
BOS
- SAN
1 stop14h 30m
Southwest
Deal found 7/6![Southwest logo]()
$316
This Delta deal was found by Cheapflights users on 7/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/510:25 pm
SAN
- PWM
2 stops14h 36m
Delta
Tue 9/86:30 am
PWM
- SAN
2 stops10h 40m
Delta
Deal found 7/9![Delta logo]()
$398
This American Airlines deal was found by Cheapflights users on 7/4. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/216:15 am
SAN
- PWM
1 stop9h 31m
American Airlines
Fri 10/29:00 am
PWM
- SAN
1 stop8h 11m
American Airlines
Deal found 7/4![American Airlines logo]()
$487
This Southwest deal was found by Cheapflights users on 7/4. 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 9/910:40 pm
SAN
- BOS
1 stop7h 20m
Southwest
Wed 9/235:25 am
BOS
- SAN
2 stops9h 50m
Southwest
Deal found 7/4![Southwest logo]()
$322
This American Airlines deal was found by Cheapflights users on 7/7. 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.
Thu 7/239:55 pm
SAN
- ORH
1 stop15h 56m
American Airlines
Mon 7/275:16 pm
ORH
- SAN
2 stops18h 48m
American Airlines
Deal found 7/7![American Airlines logo]()
$514
This Southwest deal was found by Cheapflights users on 7/9. 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 8/1310:10 am
SAN
- BOS
2 stops9h 00m
Southwest
Thu 8/203:25 pm
BOS
- SAN
2 stops9h 30m
Southwest
Deal found 7/9![Southwest logo]()
$322
This Southwest deal was found by Cheapflights users on 7/4. 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 8/187:35 pm
SAN
- BOS
2 stops10h 55m
Southwest
Wed 8/2610:05 am
BOS
- SAN
2 stops11h 15m
Southwest
Deal found 7/4![Southwest logo]()
$331
This Delta deal was found by Cheapflights users on 7/8. 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 9/41:10 pm
SAN
- PWM
1 stop8h 49m
Delta
Tue 9/86:30 am
PWM
- SAN
2 stops10h 40m
Delta
Deal found 7/8![Delta logo]()
$488
This American Airlines deal was found by Cheapflights users on 7/8. 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 9/249:51 am
SAN
- MHT
2 stops10h 40m
American Airlines
Mon 9/285:59 pm
MHT
- SAN
1 stop8h 26m
American Airlines
Deal found 7/8![American Airlines logo]()
$583
This Delta deal was found by Cheapflights users on 7/6. 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 8/149:30 pm
SAN
- PWM
2 stops11h 47m
Delta
Tue 8/2512:47 pm
PWM
- SAN
2 stops9h 32m
Delta
Deal found 7/6![Delta logo]()
$497
This American Airlines deal was found by Cheapflights users on 7/9. 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.
Sun 7/199:55 pm
SAN
- ORH
1 stop15h 56m
American Airlines
Sun 8/25:16 pm
ORH
- SAN
1 stop21h 04m
American Airlines
Deal found 7/9![American Airlines logo]()
$599
This Delta deal was found by Cheapflights users on 7/6. 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.
Thu 8/279:30 pm
SAN
- PWM
2 stops15h 31m
Delta
Sun 9/66:00 am
PWM
- SAN
2 stops12h 51m
Delta
Deal found 7/6![Delta logo]()
$523
This American Airlines deal was found by Cheapflights users on 7/9. 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.
Mon 7/209:55 pm
SAN
- ORH
1 stop15h 56m
American Airlines
Sun 8/25:16 pm
ORH
- SAN
1 stop21h 04m
American Airlines
Deal found 7/9![American Airlines logo]()
$599
This Southwest deal was found by Cheapflights users on 7/8. 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.
Fri 9/410:40 pm
SAN
- MHT
1 stop9h 35m
Southwest
Sun 9/207:10 am
MHT
- SAN
2 stops10h 45m
Southwest
Deal found 7/8![Southwest logo]()
$462
This American Airlines deal was found by Cheapflights users on 7/6. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/239:55 pm
SAN
- ORH
1 stop15h 56m
American Airlines
Fri 7/315:16 pm
ORH
- SAN
1 stop21h 04m
American Airlines
Deal found 7/6![American Airlines logo]()
$632
Last-minute flights from San Diego to New HampshireDiscover last-minute flight deals from San Diego to New Hampshire. Data last updated July 9, 2026 and is based on user searches.
Discover last-minute flight deals from San Diego to New Hampshire. Data last updated July 9, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/142:00 pm
SAN
- BOS
1 stop8h 14m
United Airlines
Tue 7/285:45 am
BOS
- SAN
1 stop8h 04m
United Airlines
Deal found 7/4![United Airlines logo]()
$335
This Cheapflightsfares deal was found by Cheapflights users on 7/5. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/198:40 pm
SAN
- BOS
Nonstop5h 39m
JetBlue
Thu 7/236:05 am
BOS
- SAN
Nonstop6h 04m
JetBlue
Deal found 7/5![JetBlue logo]()
$289
This American Airlines deal was found by Cheapflights users on 7/8. 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.
Tue 8/410:45 pm
SAN
- PWM
1 stop9h 54m
American Airlines
Tue 8/115:30 am
PWM
- SAN
1 stop8h 36m
American Airlines
Deal found 7/8![American Airlines logo]()
$311
This Delta deal was found by Cheapflights users on 7/8. 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.
Tue 8/47:59 pm
SAN
- PWM
2 stops11h 46m
Delta
Tue 8/116:05 am
PWM
- SAN
1 stop9h 28m
Delta
Deal found 7/8![Delta logo]()
$331
This American Airlines deal was found by Cheapflights users on 7/7. 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.
Fri 8/79:36 pm
SAN
- ORH
1 stop16h 22m
American Airlines
Mon 8/105:23 pm
ORH
- SAN
1 stop20h 43m
American Airlines
Deal found 7/7![American Airlines logo]()
$338
This American Airlines deal was found by Cheapflights users on 7/9. 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.
Sat 8/810:45 pm
SAN
- MHT
1 stop9h 53m
American Airlines
Fri 8/145:41 pm
MHT
- SAN
1 stop9h 06m
American Airlines
Deal found 7/9![American Airlines logo]()
$293
This American Airlines deal was found by Cheapflights users on 7/7. 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.
Sat 8/1510:45 pm
SAN
- PWM
1 stop9h 53m
American Airlines
Sat 8/298:00 am
PWM
- SAN
1 stop9h 14m
American Airlines
Deal found 7/7![American Airlines logo]()
$321
This American Airlines deal was found by Cheapflights users on 7/9. 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.
Mon 8/179:36 pm
SAN
- PWM
1 stop9h 55m
American Airlines
Fri 8/218:00 am
PWM
- SAN
1 stop8h 07m
American Airlines
Deal found 7/9![American Airlines logo]()
$297
This Delta deal was found by Cheapflights users on 7/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/179:30 pm
SAN
- PWM
2 stops12h 02m
Delta
Fri 8/212:53 pm
PWM
- SAN
1 stop8h 43m
Delta
Deal found 7/9![Delta logo]()
$302
This American Airlines deal was found by Cheapflights users on 7/7. 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.
Wed 8/269:48 am
SAN
- PWM
1 stop10h 00m
American Airlines
Wed 9/210:56 am
PWM
- SAN
1 stop11h 19m
American Airlines
Deal found 7/7![American Airlines logo]()
$275
This Delta deal was found by Cheapflights users on 7/7. 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.
Wed 8/266:15 am
SAN
- PWM
2 stops13h 58m
Delta
Wed 9/26:00 am
PWM
- SAN
1 stop8h 38m
Delta
Deal found 7/7![Delta logo]()
$316
This American Airlines deal was found by Cheapflights users on 7/9. 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.
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 7/9![American Airlines logo]()
$336
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 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 July 9, 2026.
This American Airlines deal was found by Cheapflights users on 7/7. 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.
Mon 8/106:15 am
SAN
- PWM
1 stop8h 51m
American Airlines
Deal found 7/7![American Airlines logo]()
$138
This CheapOair deal was found by Cheapflights users on 7/9. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/238:59 pm
SAN
- BOS
Nonstop5h 50m
Alaska Airlines
Deal found 7/9![Alaska Airlines logo]()
$139
This United Airlines deal was found by Cheapflights users on 7/8. 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.
Fri 8/710:25 pm
SAN
- BOS
1 stop9h 37m
United Airlines
Deal found 7/8![United Airlines logo]()
$142
This American Airlines deal was found by Cheapflights users on 7/9. 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.
Sun 8/97:15 pm
SAN
- BOS
1 stop7h 32m
American Airlines
Deal found 7/9![American Airlines logo]()
$143
This United Airlines deal was found by Cheapflights users on 7/8. 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.
Sun 8/910:25 pm
SAN
- BOS
1 stop9h 40m
United Airlines
Deal found 7/8![United Airlines logo]()
$144
This Super.com deal was found by Cheapflights users on 7/9. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/278:40 pm
SAN
- BOS
Nonstop5h 39m
JetBlue
Deal found 7/9![JetBlue logo]()
$145
This Super.com deal was found by Cheapflights users on 7/7. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/248:40 pm
SAN
- BOS
Nonstop5h 39m
JetBlue
Deal found 7/7![JetBlue logo]()
$146
This Cheapflightsfares deal was found by Cheapflights users on 7/7. 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.
Thu 7/238:40 pm
SAN
- BOS
Nonstop5h 39m
JetBlue
Deal found 7/7![JetBlue logo]()
$147
This Southwest deal was found by Cheapflights users on 7/7. 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 8/2110:10 am
SAN
- BOS
2 stops9h 20m
Southwest
Deal found 7/7![Southwest logo]()
$148
This Delta deal was found by Cheapflights users on 7/8. 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 8/271:10 pm
SAN
- PWM
1 stop8h 49m
Delta
Deal found 7/8![Delta logo]()
$149
This Southwest deal was found by Cheapflights users on 7/6. 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.
Fri 8/710:10 am
SAN
- BOS
2 stops9h 00m
Southwest
Deal found 7/6![Southwest logo]()
$149
This Southwest deal was found by Cheapflights users on 7/7. 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 10/29:30 am
SAN
- BOS
Nonstop5h 30m
Southwest
Deal found 7/7![Southwest logo]()
$150
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 9, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $274 (Cheapflightsfares) |
One-way from | $138 (American Airlines) |
Popular in | December |
Cheapest in | September |
Average price | $415 |
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 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
Sun 8/9
3:55 pm-12:25 am
Nonstop5h 30m
Boston Logan Intl
Thu 8/13
5:40 am-11:55 am
1 stop9h 15m
$277
San DiegoBoston
SAN - BOS
SANBOS
San Diego
Mon 8/10
9:00 pm-9:30 am
2 stops9h 30m
Boston Logan Intl
Wed 8/19
10:05 am-6:20 pm
2 stops11h 15m
$280
San DiegoBoston
SAN - BOS
SANBOS
San Diego
Thu 9/24
3:55 pm-12:25 am
Nonstop5h 30m
Boston Logan Intl
Mon 9/28
3:25 pm-9:55 pm
2 stops9h 30m
$280
San DiegoManchester
SAN - MHT
SANMHT
San Diego
Sat 10/10
9:45 am-9:55 pm
1 stop9h 10m
Manchester
Sat 10/17
8:05 am-4:35 pm
2 stops11h 30m
$287
San DiegoBoston
SAN - BOS
SANBOS
San Diego
Fri 9/4
3:55 pm-12:25 am
Nonstop5h 30m
Boston Logan Intl
Mon 9/7
5:40 am-10:20 am
1 stop7h 40m
$292
Quickest round-trip
San DiegoBoston
SAN - BOS
SANBOS
San Diego
Thu 9/10
3:55 pm-12:25 am
Nonstop5h 30m
Boston Logan Intl
Sun 9/20
12:55 pm-3:50 pm
Nonstop5h 55m
$297
San DiegoPortland
SAN - PWM
SANPWM
San Diego
Mon 8/17
9:30 pm-12:32 pm
2 stops12h 02m
Portland
Fri 8/21
2:53 pm-8:36 pm
1 stop8h 43m
$302
San DiegoPortland
SAN - PWM
SANPWM
San Diego
Mon 9/28
7:58 pm-10:45 am
2 stops11h 47m
Portland
Fri 10/2
4:20 pm-11:34 pm
1 stop10h 14m
$302
San DiegoPortland
SAN - PWM
SANPWM
San Diego
Sat 9/12
6:15 am-9:25 pm
2 stops12h 10m
Portland
Sat 9/19
6:30 am-2:10 pm
2 stops10h 40m
$307
San DiegoBoston
SAN - BOS
SANBOS
San Diego
Tue 8/11
3:55 pm-12:25 am
Nonstop5h 30m
Boston Logan Intl
Sun 8/16
8:00 am-7:30 pm
1 stop14h 30m
$316
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-PWM
SAN-ORH
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-PWM
SAN-ORH
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 July 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.
Boarding
8.1
Comfort
8.0
Crew
8.6
Entertainment
7.5
Overall
7.9
Food
7.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Boarding
8.1
Comfort
8.0
Crew
8.6
Entertainment
7.5
Overall
7.9
Food
7.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Boarding
8.1
Comfort
8.0
Crew
8.6
Entertainment
7.5
Overall
7.9
Food
7.0
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 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 July 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% |