$124+ 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 5/11. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — MHT
Apr 1 — Apr 81
1 adult, Economy
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Find cheap flights from San Diego to New Hampshire with Cheapflights
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Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Cheapest flights from 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 March 2, 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 March 2, 2026.
This Alaska Airlines deal was found by Cheapflights users on 2/26. Clicking the “Pick Dates” 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.
Tue 5/54:49 pm
SAN
- BOS
1 stop11h 23m
Alaska Airlines
Mon 5/115:56 pm
BOS
- SAN
Nonstop6h 33m
Alaska Airlines
Deal found 2/26![Alaska Airlines logo]()
$225
This JetBlue deal was found by Cheapflights users on 2/26. Clicking the “Pick Dates” 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.
Mon 5/48:30 pm
SAN
- BOS
Nonstop5h 37m
JetBlue
Mon 5/114:00 pm
BOS
- SAN
Nonstop6h 17m
JetBlue
Deal found 2/26![JetBlue logo]()
$227
This Delta deal was found by Cheapflights users on 2/26. Clicking the “Pick Dates” 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 4/3010:10 pm
SAN
- BOS
1 stop8h 01m
Delta
Tue 5/125:40 am
BOS
- SAN
1 stop7h 43m
Delta
Deal found 2/26![Delta logo]()
$235
This Delta deal was found by Cheapflights users on 2/26. Clicking the “Pick Dates” 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 4/3010:10 pm
SAN
- BOS
1 stop8h 01m
Delta
Thu 5/75:15 pm
BOS
- SAN
Nonstop6h 21m
Delta
Deal found 2/26![Delta logo]()
$237
This JetBlue deal was found by Cheapflights users on 2/26. Clicking the “Pick Dates” 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.
Thu 4/308:30 pm
SAN
- BOS
Nonstop5h 37m
JetBlue
Wed 5/64:00 pm
BOS
- SAN
Nonstop6h 17m
JetBlue
Deal found 2/26![JetBlue logo]()
$240
This Cheapflightsfares deal was found by Cheapflights users on 2/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/248:59 pm
SAN
- BOS
Nonstop5h 22m
JetBlue
Fri 4/36:50 am
BOS
- SAN
Nonstop6h 18m
JetBlue
Deal found 2/27![JetBlue logo]()
$242
This Super.com deal was found by Cheapflights users on 2/27. Clicking the “Pick Dates” 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.
Tue 3/248:59 pm
SAN
- BOS
Nonstop5h 22m
JetBlue
Mon 3/306:30 am
BOS
- SAN
Nonstop6h 31m
JetBlue
Deal found 2/27![JetBlue logo]()
$243
This JetBlue deal was found by Cheapflights users on 2/26. Clicking the “Pick Dates” 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 5/18:30 pm
SAN
- BOS
Nonstop5h 37m
JetBlue
Wed 5/64:00 pm
BOS
- SAN
Nonstop6h 17m
JetBlue
Deal found 2/26![JetBlue logo]()
$245
This Expedia deal was found by Cheapflights users on 2/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/198:39 pm
SAN
- BOS
Nonstop5h 22m
Multiple Airlines
Wed 3/255:40 pm
BOS
- SAN
Nonstop6h 41m
Multiple Airlines
Deal found 2/26![Multiple Airlines logo]()
$247
This SmartFares deal was found by Cheapflights users on 3/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/288:35 pm
SAN
- BOS
Nonstop5h 29m
JetBlue
Wed 4/294:00 pm
BOS
- SAN
Nonstop6h 17m
JetBlue
Deal found 3/1![JetBlue logo]()
$249
This Delta deal was found by Cheapflights users on 2/27. Clicking the “Pick Dates” 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 5/207:10 pm
SAN
- BOS
1 stop9h 25m
Delta
Tue 5/265:15 pm
BOS
- SAN
Nonstop6h 21m
Delta
Deal found 2/27![Delta logo]()
$250
This Cheapflightsfares deal was found by Cheapflights users on 2/28. Clicking the “Pick Dates” 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 5/18:30 pm
SAN
- BOS
Nonstop5h 37m
JetBlue
Mon 5/44:00 pm
BOS
- SAN
Nonstop6h 17m
JetBlue
Deal found 2/28![JetBlue logo]()
$252
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 March 2, 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 March 2, 2026.
This Delta deal was found by Cheapflights users on 3/2. Clicking the “Pick Dates” 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 5/59:59 pm
SAN
- BOS
Nonstop5h 31m
Delta
Sat 5/95:10 pm
BOS
- SAN
Nonstop6h 21m
Delta
Deal found 3/2![Delta logo]()
$257
This Southwest deal was found by Cheapflights users on 3/1. Clicking the “Pick Dates” 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 4/306:50 am
SAN
- BOS
1 stop12h 00m
Southwest
Mon 5/43:45 pm
BOS
- SAN
2 stops9h 45m
Southwest
Deal found 3/1![Southwest logo]()
$295
This American Airlines deal was found by Cheapflights users on 2/27. Clicking the “Pick Dates” 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 3/319:41 pm
SAN
- ORH
1 stop12h 38m
American Airlines
Thu 4/21:44 pm
ORH
- SAN
2 stops22h 09m
American Airlines
Deal found 2/27![American Airlines logo]()
$322
This United Airlines deal was found by Cheapflights users on 2/25. Clicking the “Pick Dates” 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 4/179:45 pm
SAN
- BOS
1 stop9h 19m
United Airlines
Wed 4/2210:05 am
BOS
- SAN
2 stops13h 00m
United Airlines
Deal found 2/25![United Airlines logo]()
$382
This Delta deal was found by Cheapflights users on 2/25. Clicking the “Pick Dates” 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 4/2210:10 pm
SAN
- BOS
1 stop8h 01m
Delta
Fri 4/243:00 pm
BOS
- SAN
1 stop8h 51m
Delta
Deal found 2/25![Delta logo]()
$265
This Delta deal was found by Cheapflights users on 2/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/179:49 pm
SAN
- BOS
Nonstop5h 41m
Delta
Sat 5/235:10 pm
BOS
- SAN
Nonstop6h 21m
Delta
Deal found 2/25![Delta logo]()
$297
This Southwest deal was found by Cheapflights users on 3/1. Clicking the “Pick Dates” 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 4/219:40 pm
SAN
- MHT
1 stop7h 25m
Southwest
Tue 4/285:35 am
MHT
- SAN
1 stop8h 55m
Southwest
Deal found 3/1![Southwest logo]()
$327
This American Airlines deal was found by Cheapflights users on 3/1. Clicking the “Pick Dates” 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 3/319:41 pm
SAN
- ORH
1 stop12h 38m
American Airlines
Sat 4/41:44 pm
ORH
- SAN
1 stop11h 15m
American Airlines
Deal found 3/1![American Airlines logo]()
$332
This Alaska Airlines deal was found by Cheapflights users on 2/28. Clicking the “Pick Dates” 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.
Tue 6/912:43 pm
SAN
- MHT
1 stop8h 08m
Alaska Airlines
Tue 6/1612:03 pm
MHT
- SAN
2 stops14h 56m
Alaska Airlines
Deal found 2/28![Alaska Airlines logo]()
$697
This Delta deal was found by Cheapflights users on 2/27. Clicking the “Pick Dates” 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 4/226:51 pm
SAN
- BOS
1 stop9h 04m
Delta
Sat 4/255:44 pm
BOS
- SAN
Nonstop6h 29m
Delta
Deal found 2/27![Delta logo]()
$300
This American Airlines deal was found by Cheapflights users on 3/2. Clicking the “Pick Dates” 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 4/2111:58 am
SAN
- MHT
1 stop8h 51m
American Airlines
Tue 4/2810:22 am
MHT
- SAN
2 stops11h 06m
American Airlines
Deal found 3/2![American Airlines logo]()
$332
This Southwest deal was found by Cheapflights users on 2/28. Clicking the “Pick Dates” 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 5/299:40 pm
SAN
- BOS
1 stop7h 25m
Southwest
Mon 6/110:40 am
BOS
- SAN
2 stops12h 30m
Southwest
Deal found 2/28![Southwest logo]()
$359
This Delta deal was found by Cheapflights users on 2/28. Clicking the “Pick Dates” 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 4/226:51 pm
SAN
- BOS
1 stop9h 04m
Delta
Tue 4/285:44 pm
BOS
- SAN
Nonstop6h 29m
Delta
Deal found 2/28![Delta logo]()
$300
This American Airlines deal was found by Cheapflights users on 2/26. Clicking the “Pick Dates” 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 6/119:55 pm
SAN
- ORH
1 stop15h 58m
American Airlines
Mon 6/155:18 pm
ORH
- SAN
1 stop20h 50m
American Airlines
Deal found 2/26![American Airlines logo]()
$357
This Southwest deal was found by Cheapflights users on 3/1. Clicking the “Pick Dates” 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 6/206:25 am
SAN
- BOS
1 stop8h 55m
Southwest
Sat 7/45:15 am
BOS
- SAN
2 stops10h 45m
Southwest
Deal found 3/1![Southwest logo]()
$359
This United Airlines deal was found by Cheapflights users on 3/1. Clicking the “Pick Dates” 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 6/89:05 pm
SAN
- PWM
1 stop9h 06m
United Airlines
Fri 6/123:31 pm
PWM
- SAN
1 stop9h 54m
United Airlines
Deal found 3/1![United Airlines logo]()
$447
This United Airlines deal was found by Cheapflights users on 3/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1710:20 pm
SAN
- PWM
1 stop8h 02m
United Airlines
Fri 8/2112:00 pm
PWM
- SAN
2 stops10h 55m
United Airlines
Deal found 3/1![United Airlines logo]()
$452
This Southwest deal was found by Cheapflights users on 2/27. Clicking the “Pick Dates” 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 3/169:40 pm
SAN
- BOS
1 stop7h 25m
Southwest
Wed 3/185:00 am
BOS
- SAN
2 stops9h 35m
Southwest
Deal found 2/27![Southwest logo]()
$377
This American Airlines deal was found by Cheapflights users on 3/2. Clicking the “Pick Dates” 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 3/174:55 pm
SAN
- ORH
2 stops17h 24m
American Airlines
Sat 3/211:44 pm
ORH
- SAN
2 stops22h 09m
American Airlines
Deal found 3/2![American Airlines logo]()
$417
This Southwest deal was found by Cheapflights users on 2/26. Clicking the “Pick Dates” 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 7/239:35 pm
SAN
- BOS
Nonstop5h 25m
Southwest
Mon 7/275:25 am
BOS
- SAN
2 stops13h 05m
Southwest
Deal found 2/26![Southwest logo]()
$381
This Delta deal was found by Cheapflights users on 2/27. Clicking the “Pick Dates” 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 3/3110:10 pm
SAN
- PWM
2 stops12h 40m
Delta
Wed 4/154:43 pm
PWM
- SAN
1 stop9h 23m
Delta
Deal found 2/27![Delta logo]()
$392
This Southwest deal was found by Cheapflights users on 3/2. Clicking the “Pick Dates” 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 5/712:05 pm
SAN
- BOS
2 stops9h 45m
Southwest
Mon 5/115:15 am
BOS
- SAN
2 stops9h 55m
Southwest
Deal found 3/2![Southwest logo]()
$381
This United Airlines deal was found by Cheapflights users on 3/2. Clicking the “Pick Dates” 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 4/216:15 am
SAN
- MHT
3 stops28h 40m
United Airlines
Tue 4/282:30 pm
MHT
- SAN
2 stops12h 59m
United Airlines
Deal found 3/2![United Airlines logo]()
$511
This American Airlines deal was found by Cheapflights users on 3/1. Clicking the “Pick Dates” 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 4/1610:30 pm
SAN
- ORH
1 stop12h 44m
American Airlines
Thu 4/232:39 pm
ORH
- SAN
1 stop23h 38m
American Airlines
Deal found 3/1![American Airlines logo]()
$453
This Delta deal was found by Cheapflights users on 2/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/107:10 pm
SAN
- PWM
2 stops13h 50m
Delta
Fri 5/156:00 am
PWM
- SAN
1 stop8h 23m
Delta
Deal found 2/26![Delta logo]()
$422
This American Airlines deal was found by Cheapflights users on 2/26. Clicking the “Pick Dates” 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 3/271:16 pm
SAN
- ORH
2 stops21h 03m
American Airlines
Sat 4/41:44 pm
ORH
- SAN
2 stops22h 09m
American Airlines
Deal found 2/26![American Airlines logo]()
$458
This Delta deal was found by Cheapflights users on 3/1. Clicking the “Pick Dates” 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 4/1610:10 pm
SAN
- ORH
2 stops15h 33m
Delta
Thu 4/235:24 pm
ORH
- SAN
2 stops33h 14m
Delta
Deal found 3/1![Delta logo]()
$443
This Southwest deal was found by Cheapflights users on 3/1. Clicking the “Pick Dates” 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 8/1711:45 am
SAN
- PWM
1 stop7h 40m
Southwest
Fri 8/217:40 am
PWM
- SAN
1 stop7h 45m
Southwest
Deal found 3/1![Southwest logo]()
$447
This Southwest deal was found by Cheapflights users on 2/28. Clicking the “Pick Dates” 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 5/810:40 pm
SAN
- PWM
2 stops10h 15m
Southwest
Sun 5/104:20 pm
PWM
- SAN
1 stop9h 20m
Southwest
Deal found 2/28![Southwest logo]()
$452
This Delta deal was found by Cheapflights users on 3/1. Clicking the “Pick Dates” 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 8/177:30 pm
SAN
- PWM
2 stops12h 19m
Delta
Fri 8/211:35 pm
PWM
- SAN
2 stops12h 20m
Delta
Deal found 3/1![Delta logo]()
$458
Last-minute flights from San Diego to New HampshireDiscover last-minute flight deals from San Diego to New Hampshire. Data last updated March 2, 2026 and is based on user searches.
Discover last-minute flight deals from San Diego to New Hampshire. Data last updated March 2, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 2/26. Clicking the “Pick Dates” 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 3/1710:03 pm
SAN
- BOS
Nonstop5h 22m
Delta
Mon 3/235:30 pm
BOS
- SAN
Nonstop6h 37m
Delta
Deal found 2/26![Delta logo]()
$262
This Delta deal was found by Cheapflights users on 2/26. Clicking the “Pick Dates” 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 3/1710:03 pm
SAN
- BOS
Nonstop5h 22m
Delta
Wed 3/185:30 pm
BOS
- SAN
Nonstop6h 37m
Delta
Deal found 2/26![Delta logo]()
$267
This Delta deal was found by Cheapflights users on 2/26. Clicking the “Pick Dates” 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 3/1710:03 pm
SAN
- BOS
Nonstop5h 22m
Delta
Thu 3/195:30 pm
BOS
- SAN
Nonstop6h 37m
Delta
Deal found 2/26![Delta logo]()
$278
This Alaska Airlines deal was found by Cheapflights users on 2/26. Clicking the “Pick Dates” 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 3/1810:48 am
SAN
- BOS
1 stop10h 11m
Alaska Airlines
Mon 3/235:40 pm
BOS
- SAN
Nonstop6h 41m
Alaska Airlines
Deal found 2/26![Alaska Airlines logo]()
$272
This Expedia deal was found by Cheapflights users on 2/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/198:39 pm
SAN
- BOS
Nonstop5h 22m
Multiple Airlines
Wed 3/255:40 pm
BOS
- SAN
Nonstop6h 41m
Multiple Airlines
Deal found 2/26![Multiple Airlines logo]()
$247
This Cheapflightsfares deal was found by Cheapflights users on 2/28. Clicking the “Pick Dates” 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 3/198:39 pm
SAN
- BOS
Nonstop5h 22m
JetBlue
Sun 3/226:30 am
BOS
- SAN
Nonstop6h 31m
JetBlue
Deal found 2/28![JetBlue logo]()
$252
This JetBlue deal was found by Cheapflights users on 2/28. Clicking the “Pick Dates” 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.
Thu 3/198:39 pm
SAN
- BOS
Nonstop5h 22m
JetBlue
Mon 3/236:30 am
BOS
- SAN
Nonstop6h 31m
JetBlue
Deal found 2/28![JetBlue logo]()
$257
This Delta deal was found by Cheapflights users on 2/26. Clicking the “Pick Dates” 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 3/2410:03 pm
SAN
- BOS
Nonstop5h 22m
Delta
Tue 3/315:30 pm
BOS
- SAN
Nonstop6h 37m
Delta
Deal found 2/26![Delta logo]()
$237
This Cheapflightsfares deal was found by Cheapflights users on 2/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/248:59 pm
SAN
- BOS
Nonstop5h 22m
JetBlue
Fri 4/36:50 am
BOS
- SAN
Nonstop6h 18m
JetBlue
Deal found 2/27![JetBlue logo]()
$242
This Super.com deal was found by Cheapflights users on 2/27. Clicking the “Pick Dates” 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.
Tue 3/248:59 pm
SAN
- BOS
Nonstop5h 22m
JetBlue
Mon 3/306:30 am
BOS
- SAN
Nonstop6h 31m
JetBlue
Deal found 2/27![JetBlue logo]()
$243
This Super.com deal was found by Cheapflights users on 2/28. Clicking the “Pick Dates” 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.
Tue 3/248:59 pm
SAN
- BOS
Nonstop5h 22m
JetBlue
Wed 4/16:50 am
BOS
- SAN
Nonstop6h 18m
JetBlue
Deal found 2/28![JetBlue logo]()
$253
This United Airlines deal was found by Cheapflights users on 3/1. Clicking the “Pick Dates” 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 3/2410:15 pm
SAN
- BOS
1 stop8h 41m
United Airlines
Wed 4/14:50 pm
BOS
- SAN
1 stop8h 40m
United Airlines
Deal found 3/1![United Airlines logo]()
$277
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 March 2, 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 March 2, 2026.
This United Airlines deal was found by Cheapflights users on 2/26. Clicking the “Pick Dates” 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 5/118:45 pm
SAN
- BOS
1 stop7h 39m
United Airlines
Deal found 2/26![United Airlines logo]()
$124
This Kiwi.com deal was found by Cheapflights users on 2/26. Clicking the “Pick Dates” 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 5/511:42 am
SAN
- BOS
2 stops45h 01m
Frontier
Deal found 2/26![Frontier logo]()
$125
This Kiwi.com deal was found by Cheapflights users on 2/26. Clicking the “Pick Dates” 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 4/129:56 pm
SAN
- BOS
2 stops34h 49m
Frontier
Deal found 2/26![Frontier logo]()
$126
This Super.com deal was found by Cheapflights users on 2/27. Clicking the “Pick Dates” 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.
Tue 4/73:15 pm
SAN
- BOS
Nonstop5h 35m
JetBlue
Deal found 2/27![JetBlue logo]()
$127
This Delta deal was found by Cheapflights users on 3/2. Clicking the “Pick Dates” 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 3/2410:03 pm
SAN
- BOS
Nonstop5h 22m
Delta
Deal found 3/2![Delta logo]()
$129
This CheapOair deal was found by Cheapflights users on 3/1. Clicking the “Pick Dates” 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.
Sat 3/219:35 pm
SAN
- BOS
Nonstop5h 22m
JetBlue
Deal found 3/1![JetBlue logo]()
$130
This Southwest deal was found by Cheapflights users on 2/26. Clicking the “Pick Dates” 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 5/57:40 pm
SAN
- BOS
2 stops9h 35m
Southwest
Deal found 2/26![Southwest logo]()
$131
This Kiwi.com deal was found by Cheapflights users on 2/27. Clicking the “Pick Dates” 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 4/217:15 am
SAN
- BOS
2 stops27h 02m
Multiple Airlines
Deal found 2/27![Multiple Airlines logo]()
$132
This Kiwi.com deal was found by Cheapflights users on 2/27. Clicking the “Pick Dates” 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 5/197:15 am
SAN
- BOS
2 stops25h 50m
Frontier
Deal found 2/27![Frontier logo]()
$133
This United Airlines deal was found by Cheapflights users on 3/2. Clicking the “Pick Dates” 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 4/92:10 pm
SAN
- BOS
1 stop7h 49m
United Airlines
Deal found 3/2![United Airlines logo]()
$134
This Kiwi.com deal was found by Cheapflights users on 2/28. Clicking the “Pick Dates” 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 4/69:28 pm
SAN
- BOS
2 stops35h 16m
Frontier
Deal found 2/28![Frontier logo]()
$135
This Delta deal was found by Cheapflights users on 2/27. Clicking the “Pick Dates” 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 4/139:59 pm
SAN
- BOS
Nonstop5h 31m
Delta
Deal found 2/27![Delta logo]()
$136
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 March 2, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $225 (Alaska Airlines) |
One-way from | $124 (United Airlines) |
Popular in | December |
Cheapest in | January |
Average price | $372 |
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 March 2, 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
San DiegoBoston
SAN - BOS
SANBOS
San Diego
Tue 5/5
9:59 pm-6:30 am
Nonstop5h 31m
Boston Logan Intl
Sat 5/9
5:10 pm-8:31 pm
Nonstop6h 21m
$257
San DiegoBoston
SAN - BOS
SANBOS
San Diego
Wed 4/22
10:10 pm-9:11 am
1 stop8h 01m
Boston Logan Intl
Fri 4/24
3:00 pm-8:51 pm
1 stop8h 51m
$265
San DiegoBoston
SAN - BOS
SANBOS
San Diego
Thu 4/30
6:50 am-9:50 pm
1 stop12h 00m
Boston Logan Intl
Mon 5/4
3:45 pm-10:30 pm
2 stops9h 45m
$295
San DiegoBoston
SAN - BOS
SANBOS
San Diego
Sun 5/17
9:49 pm-6:30 am
Nonstop5h 41m
Boston Logan Intl
Sat 5/23
5:10 pm-8:31 pm
Nonstop6h 21m
$297
San DiegoBoston
SAN - BOS
SANBOS
San Diego
Wed 4/22
6:51 pm-6:55 am
1 stop9h 04m
Boston Logan Intl
Sat 4/25
5:44 pm-9:13 pm
Nonstop6h 29m
$300
San DiegoBoston
SAN - BOS
SANBOS
San Diego
Wed 4/22
6:51 pm-6:55 am
1 stop9h 04m
Boston Logan Intl
Tue 4/28
5:44 pm-9:13 pm
Nonstop6h 29m
$300
San DiegoWorcester
SAN - ORH
SANORH
San Diego
Tue 3/31
9:41 pm-1:19 pm
1 stop12h 38m
Worcester
Thu 4/2
1:44 pm-8:53 am
2 stops22h 09m
$322
San DiegoManchester
SAN - MHT
SANMHT
San Diego
Tue 4/21
9:40 pm-8:05 am
1 stop7h 25m
Manchester
Tue 4/28
5:35 am-11:30 am
1 stop8h 55m
$327
San DiegoWorcester
SAN - ORH
SANORH
San Diego
Tue 3/31
9:41 pm-1:19 pm
1 stop12h 38m
Worcester
Sat 4/4
1:44 pm-9:59 pm
1 stop11h 15m
$332
San DiegoManchester
SAN - MHT
SANMHT
San Diego
Tue 4/21
11:58 am-11:49 pm
1 stop8h 51m
Manchester
Tue 4/28
10:22 am-6:28 pm
2 stops11h 06m
$332
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-MHT
SAN-PWM
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-MHT
SAN-PWM
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 $249). Flying from San Diego to New Hampshire in May is currently the most expensive (average of $422). 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.
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 March 2, 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.
Food
7.0
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Crew
8.6
Overall
8.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Food
7.0
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Crew
8.6
Overall
8.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Food
7.0
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Crew
8.6
Overall
8.0
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 March 2, 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 March 2, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$286 | Average$412 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$286 | Average$382 | FlexibilityNo cancel fee | On-time71% |