$156+ Cheap flights from San Diego (SAN) to New Hampshire
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/2. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — MHT
Nov 29 — Dec 61
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 October 30, 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 October 30, 2026.
This Southwest deal was found by Cheapflights users on 10/28. 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.
Wed 12/29:55 pm -
1 stop7h 40m
Wed 12/92:10 pm -
1 stop9h 50m
Deal found 10/28![Southwest logo]()
$311
This Southwest deal was found by Cheapflights users on 10/28. 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.
Wed 12/28:05 pm -
2 stops9h 30m
Tue 12/89:15 am -
1 stop12h 40m
Deal found 10/28![Southwest logo]()
$316
This Southwest deal was found by Cheapflights users on 10/28. 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 12/116:35 am -
1 stop7h 05m
Wed 12/165:50 pm -
1 stop8h 35m
Deal found 10/28![Southwest logo]()
$331
This Southwest deal was found by Cheapflights users on 10/26. 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 12/107:05 am -
2 stops8h 45m
Tue 12/155:35 am -
1 stop8h 15m
Deal found 10/26![Southwest logo]()
$349
This United Airlines deal was found by Cheapflights users on 10/25. 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.
Mon 11/91:10 pm -
1 stop7h 49m
Fri 11/132:38 pm -
1 stop8h 55m
Deal found 10/25![United Airlines logo]()
$397
This Southwest deal was found by Cheapflights users on 10/25. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/98:30 pm -
2 stops9h 05m
Fri 11/136:35 pm -
1 stop8h 15m
Deal found 10/25![Southwest logo]()
$402
This American Airlines deal was found by Cheapflights users on 10/25. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/19:25 pm -
1 stop10h 01m
Sat 12/56:30 am -
1 stop9h 38m
Deal found 10/25![American Airlines logo]()
$431
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 October 30, 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 October 30, 2026.
This Southwest deal was found by Cheapflights users on 10/28. 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.
Wed 12/29:55 pm -
1 stop7h 40m
Wed 12/92:10 pm -
1 stop9h 50m
Deal found 10/28![Southwest logo]()
$311
This United Airlines deal was found by Cheapflights users on 10/25. 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.
Mon 11/91:10 pm -
1 stop7h 49m
Fri 11/132:38 pm -
1 stop8h 55m
Deal found 10/25![United Airlines logo]()
$397
This Southwest deal was found by Cheapflights users on 10/28. 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.
Wed 12/28:05 pm -
2 stops9h 30m
Tue 12/89:15 am -
1 stop12h 40m
Deal found 10/28![Southwest logo]()
$316
This Southwest deal was found by Cheapflights users on 10/28. 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.
Thu 12/38:05 pm -
2 stops9h 30m
Tue 12/82:10 pm -
2 stops10h 45m
Deal found 10/28![Southwest logo]()
$321
This Southwest deal was found by Cheapflights users on 10/26. 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 1/2811:20 am -
1 stop7h 25m
Thu 2/41:25 pm -
1 stop8h 55m
Deal found 10/26![Southwest logo]()
$377
This Southwest deal was found by Cheapflights users on 10/25. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/98:30 pm -
2 stops9h 05m
Fri 11/136:35 pm -
1 stop8h 15m
Deal found 10/25![Southwest logo]()
$402
This United Airlines deal was found by Cheapflights users on 10/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/16:23 pm -
2 stops16h 40m
Sat 12/52:38 pm -
2 stops12h 41m
Deal found 10/28![United Airlines logo]()
$561
This Southwest deal was found by Cheapflights users on 10/27. 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.
Wed 11/117:05 pm -
2 stops10h 05m
Sun 11/152:05 pm -
1 stop13h 20m
Deal found 10/27![Southwest logo]()
$483
This Southwest deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/138:30 pm -
2 stops8h 40m
Wed 12/23:35 pm -
2 stops10h 35m
Deal found 10/30![Southwest logo]()
$517
This Southwest deal was found by Cheapflights users on 10/28. 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.
Wed 12/235:20 pm -
1 stop12h 15m
Tue 12/296:55 pm -
1 stop8h 00m
Deal found 10/28![Southwest logo]()
$551
Last-minute flights from San Diego to New HampshireDiscover last-minute flight deals from San Diego to New Hampshire. Data last updated October 30, 2026 and is based on user searches.
Discover last-minute flight deals from San Diego to New Hampshire. Data last updated October 30, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 10/25. 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.
Mon 11/91:10 pm -
1 stop7h 49m
Fri 11/132:38 pm -
1 stop8h 55m
Deal found 10/25![United Airlines logo]()
$397
This Southwest deal was found by Cheapflights users on 10/25. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/98:30 pm -
2 stops9h 05m
Fri 11/136:35 pm -
1 stop8h 15m
Deal found 10/25![Southwest logo]()
$402
This American Airlines deal was found by Cheapflights users on 10/27. 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.
Wed 11/116:20 am -
1 stop8h 54m
Sun 11/156:00 am -
1 stop8h 28m
Deal found 10/27![American Airlines logo]()
$472
This Southwest deal was found by Cheapflights users on 10/27. 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.
Wed 11/117:05 pm -
2 stops10h 05m
Sun 11/152:05 pm -
1 stop13h 20m
Deal found 10/27![Southwest logo]()
$483
This American Airlines deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” 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 11/139:25 pm -
1 stop9h 58m
Wed 12/210:51 am -
1 stop11h 43m
Deal found 10/30![American Airlines logo]()
$497
This Southwest deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/139:55 pm -
1 stop7h 15m
Wed 12/23:35 pm -
2 stops10h 35m
Deal found 10/30![Southwest logo]()
$512
This United Airlines deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” 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 11/1410:30 pm -
2 stops12h 33m
Sat 12/52:38 pm -
2 stops10h 55m
Deal found 10/30![United Airlines logo]()
$562
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 October 30, 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 October 30, 2026.
This Southwest deal was found by Cheapflights users on 10/28. 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.
Wed 12/29:55 pm -
1 stop7h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![Southwest logo]()
$156
This Southwest deal was found by Cheapflights users on 10/27. 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.
Fri 1/227:25 am -
1 stop9h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/27![Southwest logo]()
$189
This American Airlines deal was found by Cheapflights users on 10/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/229:25 pm -
1 stop9h 56m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![American Airlines logo]()
$209
This American Airlines deal was found by Cheapflights users on 10/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/276:20 am -
1 stop8h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![American Airlines logo]()
$214
This Southwest deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” 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 12/137:50 pm -
2 stops9h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/29![Southwest logo]()
$224
This Kiwi.com deal was found by Cheapflights users on 10/27. 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.
Fri 1/228:37 pm -
3 stops36h 11m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/27![Multiple Airlines logo]()
$231
This Kiwi.com deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” 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 12/137:51 pm -
3 stops37h 57m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/29![Multiple Airlines logo]()
$234
This American Airlines deal was found by Cheapflights users on 10/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/309:25 pm -
1 stop9h 56m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![American Airlines logo]()
$244
This Kiwi.com deal was found by Cheapflights users on 10/28. 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.
Wed 12/211:16 am -
3 stops21h 28m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![Multiple Airlines logo]()
$246
This United Airlines deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” 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 11/226:45 am -
2 stops14h 14m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/29![United Airlines logo]()
$247
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 October 30, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $311 (Southwest) |
One-way from | $156 (Southwest) |
Popular in | December |
Cheapest in | January |
Average price | $369 |
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 7,457,451 searches. Data last updated October 30, 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
Quickest round-trip
San DiegoManchester
SAN San Diego - MHT Manchester
SANMHT
San Diego
Wed 12/2
9:55 pm-8:35 am
1 stop7h 40m
Manchester
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$156
San DiegoManchester
SAN San Diego - MHT Manchester
SANMHT
San Diego
Fri 1/22
9:00 am-8:50 pm
2 stops8h 50m
Manchester
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$194
San DiegoManchester
SAN San Diego - MHT Manchester
SANMHT
San Diego
Sun 11/22
9:25 pm-10:21 am
1 stop9h 56m
Manchester
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$209
San DiegoManchester
SAN San Diego - MHT Manchester
SANMHT
San Diego
Wed 1/27
6:20 am-5:45 pm
1 stop8h 25m
Manchester
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$214
San DiegoManchester
SAN San Diego - MHT Manchester
SANMHT
San Diego
Sun 12/13
7:50 pm-8:35 am
2 stops9h 45m
Manchester
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$224
San DiegoManchester
SAN San Diego - MHT Manchester
SANMHT
San Diego
Sun 11/22
6:45 am-11:59 pm
2 stops14h 14m
Manchester
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$247
San DiegoManchester
SAN San Diego - MHT Manchester
SANMHT
San Diego
Thu 12/24
10:30 pm-2:00 pm
2 stops12h 30m
Manchester
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$259
San DiegoManchester
SAN San Diego - MHT Manchester
SANMHT
San Diego
Sun 11/22
10:35 pm-1:15 pm
1 stop11h 40m
Manchester
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$264
San DiegoManchester
SAN San Diego - MHT Manchester
SANMHT
San Diego
Wed 12/2
9:55 pm-8:35 am
1 stop7h 40m
Manchester
Wed 12/9
2:10 pm-9:00 pm
1 stop9h 50m
$311
San DiegoManchester
SAN San Diego - MHT Manchester
SANMHT
San Diego
Wed 12/2
8:05 pm-8:35 am
2 stops9h 30m
Manchester
Tue 12/8
9:15 am-6:55 pm
1 stop12h 40m
$316
Showing 1-10 of 18 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-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-MHT
What is the cheapest month to book a flight from San Diego to New Hampshire?
Currently, February is the cheapest month in which you can book a flight from San Diego to New Hampshire (average of $405). Flying from San Diego to New Hampshire in August is currently the most expensive (average of $1,078). 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 October 30, 2026.
See what other customers who have flown with Southwest and American Airlines from San Diego to New Hampshire have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.6
Boarding
8.1
Food
7.0
Comfort
8.0
Overall
7.9
Entertainment
7.4
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Crew
8.6
Boarding
8.1
Food
7.0
Comfort
8.0
Overall
7.9
Entertainment
7.4
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Crew
8.6
Boarding
8.1
Food
7.0
Comfort
8.0
Overall
7.9
Entertainment
7.4
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
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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 October 30, 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 7,457,451 searches. Data last updated October 30, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$302 | Average$418 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$376 | Average$606 | FlexibilityNo cancel fee | On-time63% |