$136+ Cheap flights from New Hampshire to San Diego (SAN)
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 10/2. Fares are subject to change and may not be available on all flights or dates of travel.
MHT — SAN
Sep 5 — Sep 121
Round-trip
1 adult, Economy
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Find cheap flights from New Hampshire to San Diego 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 New Hampshire to San DiegoExplore the most affordable flight options available from New Hampshire to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 6, 2026.
Explore the most affordable flight options available from New Hampshire to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 6, 2026.
This Southwest deal was found by Cheapflights users on 8/4. 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 9/51:10 pm -
1 stop8h 15m
Sat 9/123:55 pm -
Nonstop5h 35m
Deal found 8/4![Southwest logo]()
$247
This Booking.com deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/278:00 am -
Nonstop6h 12m
Mon 8/318:59 pm -
Nonstop5h 50m
Deal found 8/3![Alaska Airlines logo]()
$250
This Southwest deal was found by Cheapflights users on 8/6. 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.
Sat 9/197:05 am -
1 stop12h 05m
Sat 9/263:55 pm -
Nonstop5h 35m
Deal found 8/6![Southwest logo]()
$253
This Super.com deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/43:50 pm -
Nonstop6h 06m
Tue 9/88:17 pm -
Nonstop5h 43m
Deal found 8/3![JetBlue logo]()
$254
This Cheapflightsfares deal was found by Cheapflights users on 8/4. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/243:35 pm -
Nonstop6h 13m
Sun 11/18:40 pm -
Nonstop5h 31m
Deal found 8/4![JetBlue logo]()
$255
This Orbitz deal was found by Cheapflights users on 8/2. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/247:51 am -
Nonstop6h 18m
Mon 10/261:45 pm -
Nonstop5h 22m
Deal found 8/2![Multiple Airlines logo]()
$256
This Southwest deal was found by Cheapflights users on 8/6. 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.
Wed 9/169:05 am -
Nonstop5h 55m
Thu 9/173:55 pm -
Nonstop5h 35m
Deal found 8/6![Southwest logo]()
$257
This Cheapflightsfares deal was found by Cheapflights users on 8/5. 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.
Sat 8/294:20 pm -
Nonstop6h 09m
Tue 9/88:17 pm -
Nonstop5h 43m
Deal found 8/5![JetBlue logo]()
$258
This Southwest deal was found by Cheapflights users on 8/5. 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 9/29:05 am -
Nonstop5h 55m
Wed 9/93:55 pm -
Nonstop5h 35m
Deal found 8/5![Southwest logo]()
$260
This Southwest deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” 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 9/52:10 pm -
Nonstop6h 00m
Sun 9/610:40 pm -
1 stop7h 20m
Deal found 8/3![Southwest logo]()
$262
This Cheapflightsfares deal was found by Cheapflights users on 8/4. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/13:50 pm -
Nonstop6h 06m
Sat 9/59:00 pm -
Nonstop5h 43m
Deal found 8/4![JetBlue logo]()
$263
This American Airlines deal was found by Cheapflights users on 8/6. 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.
Sat 9/54:07 pm -
1 stop8h 15m
Fri 9/1110:04 am -
1 stop10h 43m
Deal found 8/6![American Airlines logo]()
$334
Best flights from New Hampshire to San DiegoDiscover carefully curated flight deals from New Hampshire to San Diego that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 6, 2026.
Discover carefully curated flight deals from New Hampshire to San Diego that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 6, 2026.
This Southwest deal was found by Cheapflights users on 8/2. 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 8/273:25 pm -
2 stops9h 30m
Tue 9/110:40 pm -
1 stop8h 15m
Deal found 8/2![Southwest logo]()
$252
This United Airlines deal was found by Cheapflights users on 8/4. 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 8/259:35 am -
1 stop8h 15m
Tue 9/12:15 pm -
1 stop7h 56m
Deal found 8/4![United Airlines logo]()
$298
This Alaska Airlines deal was found by Cheapflights users on 8/4. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/187:59 pm -
1 stop17h 47m
Sun 9/208:59 pm -
Nonstop5h 48m
Deal found 8/4![Alaska Airlines logo]()
$315
This Delta deal was found by Cheapflights users on 8/4. 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.
Wed 9/96:00 am -
1 stop9h 25m
Fri 9/116:15 am -
2 stops14h 14m
Deal found 8/4![Delta logo]()
$343
This American Airlines deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/15:23 pm -
1 stop20h 43m
Mon 9/79:36 pm -
1 stop16h 22m
Deal found 8/3![American Airlines logo]()
$370
This Booking.com deal was found by Cheapflights users on 8/6. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/43:45 pm -
1 stop22h 27m
Thu 9/108:59 pm -
1 stop13h 37m
Deal found 8/6![Multiple Airlines logo]()
$510
This Southwest deal was found by Cheapflights users on 8/6. 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.
Sat 9/58:40 am -
2 stops11h 30m
Sat 9/1210:40 pm -
1 stop7h 35m
Deal found 8/6![Southwest logo]()
$272
This Southwest deal was found by Cheapflights users on 8/5. 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 9/910:05 am -
2 stops11h 15m
Tue 9/157:10 am -
1 stop8h 25m
Deal found 8/5![Southwest logo]()
$272
This Southwest deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” 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 9/302:30 pm -
1 stop9h 20m
Sun 10/410:40 pm -
1 stop7h 15m
Deal found 8/3![Southwest logo]()
$277
This Delta deal was found by Cheapflights users on 8/5. 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.
Wed 9/26:30 am -
2 stops10h 40m
Wed 9/912:52 pm -
1 stop7h 37m
Deal found 8/5![Delta logo]()
$361
This Alaska Airlines deal was found by Cheapflights users on 8/2. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/59:33 am -
2 stops16h 26m
Thu 9/108:59 pm -
Nonstop5h 48m
Deal found 8/2![Alaska Airlines logo]()
$365
This Southwest deal was found by Cheapflights users on 8/2. 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.
Sun 11/15:20 am -
1 stop8h 10m
Sat 11/77:05 am -
1 stop8h 30m
Deal found 8/2![Southwest logo]()
$282
This United Airlines deal was found by Cheapflights users on 8/2. 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 10/202:50 pm -
1 stop8h 39m
Mon 10/2610:30 pm -
2 stops12h 33m
Deal found 8/2![United Airlines logo]()
$396
This Delta deal was found by Cheapflights users on 8/1. 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.
Wed 9/96:30 am -
2 stops15h 56m
Tue 9/156:20 am -
2 stops13h 57m
Deal found 8/1![Delta logo]()
$366
This American Airlines deal was found by Cheapflights users on 8/6. 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.
Tue 9/155:16 pm -
2 stops18h 58m
Sun 9/276:20 am -
1 stop7h 29m
Deal found 8/6![American Airlines logo]()
$424
This Southwest deal was found by Cheapflights users on 8/4. 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.
Thu 8/275:25 am -
1 stop7h 45m
Mon 8/313:55 pm -
Nonstop5h 30m
Deal found 8/4![Southwest logo]()
$293
This Delta deal was found by Cheapflights users on 8/5. 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.
Wed 11/46:01 am -
1 stop8h 12m
Sat 11/1410:30 pm -
2 stops10h 38m
Deal found 8/5![Delta logo]()
$374
This United Airlines deal was found by Cheapflights users on 8/5. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/229:25 am -
2 stops12h 05m
Sat 8/296:20 am -
2 stops9h 40m
Deal found 8/5![United Airlines logo]()
$419
This Southwest deal was found by Cheapflights users on 8/4. 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.
Thu 10/110:40 am -
2 stops12h 50m
Sun 10/410:40 pm -
1 stop7h 15m
Deal found 8/4![Southwest logo]()
$302
This American Airlines deal was found by Cheapflights users on 8/2. 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.
Thu 11/195:36 pm -
1 stop21h 04m
Sun 11/229:25 pm -
1 stop16h 44m
Deal found 8/2![American Airlines logo]()
$468
This United Airlines deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” 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 9/39:25 am -
1 stop8h 32m
Mon 9/710:40 pm -
2 stops12h 28m
Deal found 8/3![United Airlines logo]()
$433
This Priceline deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” 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.
Tue 9/111:00 am -
1 stop10h 56m
Mon 9/78:59 pm -
1 stop10h 03m
Deal found 8/3![Multiple Airlines logo]()
$553
This Delta deal was found by Cheapflights users on 8/5. 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.
Thu 9/106:30 am -
2 stops15h 56m
Sun 9/137:53 pm -
2 stops11h 52m
Deal found 8/5![Delta logo]()
$430
This United Airlines deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” 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 9/55:03 pm -
1 stop8h 05m
Wed 9/99:05 pm -
1 stop9h 03m
Deal found 8/3![United Airlines logo]()
$448
This Southwest deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/66:40 am -
2 stops10h 10m
Thu 9/1010:40 pm -
2 stops13h 15m
Deal found 8/3![Southwest logo]()
$343
This Delta deal was found by Cheapflights users on 8/2. 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.
Wed 11/183:35 pm -
2 stops24h 18m
Sun 11/2210:00 pm -
2 stops13h 52m
Deal found 8/2![Delta logo]()
$462
This United Airlines deal was found by Cheapflights users on 8/5. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/39:25 am -
1 stop9h 03m
Wed 11/41:10 pm -
1 stop7h 49m
Deal found 8/5![United Airlines logo]()
$501
This Delta deal was found by Cheapflights users on 8/5. 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.
Fri 10/234:15 pm -
1 stop10h 31m
Sun 10/2510:00 pm -
2 stops12h 02m
Deal found 8/5![Delta logo]()
$470
This Southwest deal was found by Cheapflights users on 8/2. 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.
Tue 10/203:50 pm -
2 stops10h 15m
Mon 10/2611:20 am -
2 stops9h 35m
Deal found 8/2![Southwest logo]()
$401
This Delta deal was found by Cheapflights users on 8/2. 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 9/16:05 am -
2 stops15h 09m
Mon 9/77:59 pm -
2 stops11h 46m
Deal found 8/2![Delta logo]()
$474
Last-minute flights from New Hampshire to San DiegoDiscover last-minute flight deals from New Hampshire to San Diego. Data last updated August 6, 2026 and is based on user searches.
Discover last-minute flight deals from New Hampshire to San Diego. Data last updated August 6, 2026 and is based on user searches.
This Booking.com deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/278:00 am -
Nonstop6h 12m
Mon 8/318:59 pm -
Nonstop5h 50m
Deal found 8/3![Alaska Airlines logo]()
$250
This Cheapflightsfares deal was found by Cheapflights users on 8/5. 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.
Sat 8/294:20 pm -
Nonstop6h 09m
Tue 9/88:17 pm -
Nonstop5h 43m
Deal found 8/5![JetBlue logo]()
$258
This Super.com deal was found by Cheapflights users on 8/6. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/306:05 am -
Nonstop6h 05m
Wed 9/301:48 pm -
Nonstop6h 12m
Deal found 8/6![JetBlue logo]()
$265
This Cheapflightsfares deal was found by Cheapflights users on 8/4. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/13:50 pm -
Nonstop6h 06m
Sat 9/59:00 pm -
Nonstop5h 43m
Deal found 8/4![JetBlue logo]()
$263
This Delta deal was found by Cheapflights users on 8/5. 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.
Wed 9/25:20 pm -
Nonstop6h 15m
Tue 9/810:04 pm -
Nonstop5h 36m
Deal found 8/5![Delta logo]()
$260
This Super.com deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/43:50 pm -
Nonstop6h 06m
Tue 9/88:17 pm -
Nonstop5h 43m
Deal found 8/3![JetBlue logo]()
$254
This Southwest deal was found by Cheapflights users on 8/4. 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 9/51:10 pm -
1 stop8h 15m
Sat 9/123:55 pm -
Nonstop5h 35m
Deal found 8/4![Southwest logo]()
$247
This Southwest deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” 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 9/52:10 pm -
Nonstop6h 00m
Sun 9/610:40 pm -
1 stop7h 20m
Deal found 8/3![Southwest logo]()
$262
This American Airlines deal was found by Cheapflights users on 8/6. 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.
Sat 9/54:07 pm -
1 stop8h 15m
Fri 9/1110:04 am -
1 stop10h 43m
Deal found 8/6![American Airlines logo]()
$334
This Southwest deal was found by Cheapflights users on 8/6. 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.
Wed 9/169:05 am -
Nonstop5h 55m
Thu 9/173:55 pm -
Nonstop5h 35m
Deal found 8/6![Southwest logo]()
$257
This Southwest deal was found by Cheapflights users on 8/6. 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.
Sat 9/197:05 am -
1 stop12h 05m
Sat 9/263:55 pm -
Nonstop5h 35m
Deal found 8/6![Southwest logo]()
$253
This Cheapflightsfares deal was found by Cheapflights users on 8/4. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/229:30 am -
Nonstop6h 04m
Mon 9/288:27 pm -
Nonstop5h 55m
Deal found 8/4![JetBlue logo]()
$255
One-way flights from New Hampshire to San DiegoSearch for one-way flight options from New Hampshire to San Diego. Find affordable one-way fares based on user searches. Data last updated August 6, 2026.
Search for one-way flight options from New Hampshire to San Diego. Find affordable one-way fares based on user searches. Data last updated August 6, 2026.
This Super.com deal was found by Cheapflights users on 8/6. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/24:00 pm -
Nonstop6h 07m
Deal found 8/6![JetBlue logo]()
$136
This Super.com deal was found by Cheapflights users on 8/4. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/109:30 am -
Nonstop6h 04m
Deal found 8/4![JetBlue logo]()
$137
This Kiwi.com deal was found by Cheapflights users on 8/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/2512:45 pm -
2 stops29h 05m
Deal found 8/5![Frontier logo]()
$138
This Delta deal was found by Cheapflights users on 8/5. 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.
Fri 9/45:20 pm -
Nonstop6h 15m
Deal found 8/5![Delta logo]()
$139
This Cheapflightsfares deal was found by Cheapflights users on 8/5. 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 8/268:50 am -
Nonstop6h 06m
Deal found 8/5![JetBlue logo]()
$140
This KAYAK deal was found by Cheapflights users on 8/5. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/95:10 pm -
Nonstop6h 05m
Deal found 8/5![Delta logo]()
$141
This Delta deal was found by Cheapflights users on 8/5. 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.
Tue 9/15:20 pm -
Nonstop6h 15m
Deal found 8/5![Delta logo]()
$142
This Super.com deal was found by Cheapflights users on 8/4. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/2512:44 pm -
1 stop9h 22m
Deal found 8/4![JetBlue logo]()
$143
This Southwest deal was found by Cheapflights users on 8/4. 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 11/43:30 pm -
2 stops10h 35m
Deal found 8/4![Southwest logo]()
$144
This Cheapflightsfares deal was found by Cheapflights users on 8/4. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/294:20 pm -
Nonstop6h 09m
Deal found 8/4![JetBlue logo]()
$145
This Super.com deal was found by Cheapflights users on 8/5. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/206:05 am -
Nonstop6h 05m
Deal found 8/5![JetBlue logo]()
$146
This Cheapflightsfares deal was found by Cheapflights users on 8/1. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/194:20 pm -
Nonstop6h 09m
Deal found 8/1![JetBlue logo]()
$147
Find flight deals from New Hampshire to San Diego
Keep the following information in mind while searching for New Hampshire to San Diego flight deals. Data was last updated August 6, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $247 (Southwest) |
One-way from | $136 (Super.com) |
Popular in | December |
Cheapest in | January |
Average price | $371 |
Cheapflights Fare Finder
Customize your flight search to find flights from New Hampshire to San Diego 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 August 6, 2026.
Use the filters below to find and compare flights from New Hampshire to San Diego that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BostonSan Diego
BOS Boston Logan Intl - SAN San Diego
BOSSAN
Boston Logan Intl
Thu 8/27
3:25 pm-9:55 pm
2 stops9h 30m
San Diego
Tue 9/1
10:40 pm-9:55 am
1 stop8h 15m
$252
BostonSan Diego
BOS Boston Logan Intl - SAN San Diego
BOSSAN
Boston Logan Intl
Sat 9/5
8:40 am-5:10 pm
2 stops11h 30m
San Diego
Sat 9/12
10:40 pm-9:15 am
1 stop7h 35m
$272
BostonSan Diego
BOS Boston Logan Intl - SAN San Diego
BOSSAN
Boston Logan Intl
Wed 9/9
10:05 am-6:20 pm
2 stops11h 15m
San Diego
Tue 9/15
7:10 am-6:35 pm
1 stop8h 25m
$272
BostonSan Diego
BOS Boston Logan Intl - SAN San Diego
BOSSAN
Boston Logan Intl
Wed 9/30
2:30 pm-8:50 pm
1 stop9h 20m
San Diego
Sun 10/4
10:40 pm-8:55 am
1 stop7h 15m
$277
BostonSan Diego
BOS Boston Logan Intl - SAN San Diego
BOSSAN
Boston Logan Intl
Sun 11/1
5:20 am-10:30 am
1 stop8h 10m
San Diego
Sat 11/7
7:05 am-6:35 pm
1 stop8h 30m
$282
Quickest round-trip
BostonSan Diego
BOS Boston Logan Intl - SAN San Diego
BOSSAN
Boston Logan Intl
Thu 8/27
5:25 am-10:10 am
1 stop7h 45m
San Diego
Mon 8/31
3:55 pm-12:25 am
Nonstop5h 30m
$293
BostonSan Diego
BOS Boston Logan Intl - SAN San Diego
BOSSAN
Boston Logan Intl
Tue 8/25
9:35 am-2:50 pm
1 stop8h 15m
San Diego
Tue 9/1
2:15 pm-1:11 am
1 stop7h 56m
$298
BostonSan Diego
BOS Boston Logan Intl - SAN San Diego
BOSSAN
Boston Logan Intl
Thu 10/1
10:40 am-8:30 pm
2 stops12h 50m
San Diego
Sun 10/4
10:40 pm-8:55 am
1 stop7h 15m
$302
BostonSan Diego
BOS Boston Logan Intl - SAN San Diego
BOSSAN
Boston Logan Intl
Fri 9/18
7:59 pm-10:46 am
1 stop17h 47m
San Diego
Sun 9/20
8:59 pm-5:47 am
Nonstop5h 48m
$315
PortlandSan Diego
PWM Portland - SAN San Diego
PWMSAN
Portland
Wed 9/9
6:00 am-12:25 pm
1 stop9h 25m
San Diego
Fri 9/11
6:15 am-11:29 pm
2 stops14h 14m
$343
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from New Hampshire to San Diego
Have a flexible travel schedule? Discover the best time to fly to San Diego from New Hampshire with our price prediction graph.
BOS-SAN
PWM-SAN
ORH-SAN
LEB-SAN
MHT-SAN
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 New Hampshire to San Diego
USNH-SAN
BOS-SAN
PWM-SAN
ORH-SAN
LEB-SAN
What is the cheapest month to book a flight from New Hampshire to San Diego?
Currently, August is the cheapest month in which you can book a flight from New Hampshire to San Diego (average of $354). Flying from New Hampshire to San Diego in June is currently the most expensive (average of $577). 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 far ahead should I book a flight from New Hampshire to San Diego?
The best time to book flights from New Hampshire to San Diego is 68 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
Related info for your journey
Find useful and relevant information for your journey from New Hampshire to San Diego. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near San Diego?
Book flights to San Diego if you plan to visit one of these locationsEl Cajon
National City
Chula Vista
Poway
La Mesa
Coronado
Santee
San Ysidro
Julian
Lemon Grove
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
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Alternative routes for New Hampshire to San Diego
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Complete your trip
Complete your trip to San Diego by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from New Hampshire to San Diego by cabin class
Find flights from New Hampshire to San Diego, based on your preferred cabin class, be it economy, premium economy, business, or first class.
New Hampshire and San Diego flights
Browse other New Hampshire and San Diego flight options. Last updated on August 6, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to San Diego
Explore flights to San Diego departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on August 6, 2026.
New Hampshire to San Diego flights
Consider these flights traveling from New Hampshire to San Diego.
Top 2 airlines flying from New Hampshire to San Diego
Discover the top 2 airlines that operate flights from New Hampshire to San Diego. 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 August 6, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$305 | Average$466 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$354 | Average$476 | FlexibilityNo cancel fee | On-time63% |