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$122+ 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 1/29. Fares are subject to change and may not be available on all flights or dates of travel.
MHT — SAN
dic. 5 — dic. 121
vie. 12/5
vie. 12/12
1 adult, Economy
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Find flight deals from New Hampshire to San Diego

Cheapest flights from New Hampshire to San Diego
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 noviembre 5, 2025.

This Delta deal was found by Cheapflights users on 11/5. 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.
mié. 12/33:39 pmBOS - SAN
1 stop10h 56mDelta
mié. 12/1010:20 pmSAN - BOS
Nonstop5h 30mDelta
Deal found 11/5$207
This American Airlines deal was found by Cheapflights users on 11/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/311:11 amBOS - SAN
1 stop11h 32mAmerican Airlines
mié. 12/109:37 amSAN - BOS
1 stop8h 11mAmerican Airlines
Deal found 11/5$208
This Rumbo deal was found by Cheapflights users on 11/5. 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 Rumbo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 12/64:34 pmBOS - SAN
Nonstop6h 36mJetBlue
sáb. 12/139:20 pmSAN - BOS
Nonstop5h 29mJetBlue
Deal found 11/5$210
This American Airlines deal was found by Cheapflights users on 11/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/31:45 pmBOS - SAN
1 stop10h 00mAmerican Airlines
dom. 12/79:37 amSAN - BOS
1 stop8h 56mAmerican Airlines
Deal found 11/5$216
This American Airlines deal was found by Cheapflights users on 11/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 12/57:30 amBOS - SAN
1 stop10h 02mAmerican Airlines
vie. 12/126:30 amSAN - BOS
1 stop7h 55mAmerican Airlines
Deal found 11/5$224
This Cheapflightsfares deal was found by Cheapflights users on 11/4. 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.
sáb. 12/64:24 pmBOS - SAN
Nonstop6h 46mAlaska Airlines
mié. 12/109:15 amSAN - BOS
Nonstop5h 37mAlaska Airlines
Deal found 11/4$225
This Alaska Airlines deal was found by Cheapflights users on 11/4. 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.
sáb. 12/64:24 pmBOS - SAN
Nonstop6h 46mAlaska Airlines
sáb. 12/139:15 amSAN - BOS
Nonstop5h 37mAlaska Airlines
Deal found 11/4$227
This JetBlue deal was found by Cheapflights users on 11/2. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 11/1910:10 amBOS - SAN
Nonstop6h 32mJetBlue
jue. 11/2712:49 pmSAN - BOS
Nonstop5h 27mJetBlue
Deal found 11/2$228
This Cheapflightsfares deal was found by Cheapflights users on 11/4. 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.
mar. 12/94:24 pmBOS - SAN
Nonstop6h 46mAlaska Airlines
jue. 12/119:15 amSAN - BOS
Nonstop5h 37mAlaska Airlines
Deal found 11/4$235
This American Airlines deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 12/63:37 pmORH - SAN
1 stop9h 07mAmerican Airlines
sáb. 12/1310:45 pmSAN - ORH
1 stop13h 24mAmerican Airlines
Deal found 11/4$242
This Delta deal was found by Cheapflights users on 11/5. 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.
mié. 12/104:05 pmORH - SAN
2 stops10h 39mDelta
dom. 12/1410:30 pmSAN - ORH
2 stops13h 55mDelta
Deal found 11/5$307
This American Airlines deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/1012:08 pmMHT - SAN
1 stop10h 35mAmerican Airlines
sáb. 12/139:54 pmSAN - MHT
1 stop10h 46mAmerican Airlines
Deal found 11/4$307

Cheap 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 noviembre 5, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$207
(Delta)

One-way from

$122
(Kiwi.com)

Popular in

December

Cheapest in

January

Average price

$347
Provider with most accurate pricing for Boston Logan Intl-San Diego flight deals.
Search Deals
Provider most trusted by Cheapflights users for Boston Logan Intl-San Diego flights.
Search Deals
From New Hampshire to San Diego
Search Deals
One-way flight from New Hampshire to San Diego
Search Deals
High demand for flights, 2% potential price rise
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

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 noviembre 5, 2025.
Use the filters below to find and compare flights from New Hampshire to San Diego that are best for you.

Fly from

New Hampshire

Fly to

San Diego

Route

Depart

Return

Price

BostonSan Diego

BOS - SAN

BOSSAN

Boston Logan Intl

sáb. 12/6

5:25 pm-8:59 pm

Nonstop6h 34m

San Diego

sáb. 12/13

10:20 pm-6:50 am

Nonstop5h 30m

$227

BostonSan Diego

BOS - SAN

BOSSAN

Boston Logan Intl

mar. 2/3

10:25 am-2:05 pm

Nonstop6h 40m

San Diego

mar. 2/10

9:30 pm-5:54 am

Nonstop5h 24m

$227

BostonSan Diego

BOS - SAN

BOSSAN

Boston Logan Intl

sáb. 12/6

4:24 pm-8:10 pm

Nonstop6h 46m

San Diego

sáb. 12/13

9:15 am-5:52 pm

Nonstop5h 37m

$227

WorcesterSan Diego

ORH - SAN

ORHSAN

Worcester

sáb. 12/6

3:37 pm-9:44 pm

1 stop9h 07m

San Diego

sáb. 12/13

10:45 pm-3:09 pm

1 stop13h 24m

$242

BostonSan Diego

BOS - SAN

BOSSAN

Boston Logan Intl

sáb. 12/6

11:55 am-5:34 pm

1 stop8h 39m

San Diego

mié. 12/10

12:50 pm-11:41 pm

1 stop7h 51m

$242

BostonSan Diego

BOS - SAN

BOSSAN

Boston Logan Intl

lun. 2/2

4:20 pm-8:00 pm

Nonstop6h 40m

San Diego

mar. 2/10

9:10 am-5:39 pm

Nonstop5h 29m

$242

BostonSan Diego

BOS - SAN

BOSSAN

Boston Logan Intl

mié. 1/28

5:10 pm-8:52 pm

Nonstop6h 42m

San Diego

dom. 2/1

10:04 pm-6:30 am

Nonstop5h 26m

$242

BostonSan Diego

BOS - SAN

BOSSAN

Boston Logan Intl

lun. 2/2

4:40 pm-8:20 pm

Nonstop6h 40m

San Diego

mar. 2/10

3:15 pm-11:38 pm

Nonstop5h 23m

$242

BostonSan Diego

BOS - SAN

BOSSAN

Boston Logan Intl

mar. 2/3

7:00 am-3:29 pm

1 stop11h 29m

San Diego

mié. 2/11

9:37 am-11:54 pm

1 stop11h 17m

$246

BostonSan Diego

BOS - SAN

BOSSAN

Boston Logan Intl

dom. 12/7

5:25 pm-8:59 pm

Nonstop6h 34m

San Diego

lun. 12/8

10:20 pm-6:50 am

Nonstop5h 30m

$247

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/5

Showing 1-10 of 60 results
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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.
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

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 $168). Flying from New Hampshire to San Diego in April is currently the most expensive (average of $359). 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.

What is the cheapest time of day to fly from NH to SAN?

Find hourly flight availability from New Hampshire to San Diego. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated noviembre 5, 2025.

A simple way to save on the total cost of your ticket is to fly from New Hampshire to San Diego in the evening. If you’re flexible enough to do this you can expect to save up to 73% on your trip compared to booking a flight at noon.

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.

  • What airport do you fly into for flights to San Diego from New Hampshire?

    If you book a flight to San Diego from New Hampshire, you will be flying to San Diego, which is the city’s only airport. San Diego (SAN) is located 2.6 mi from the center of San Diego.

  • How long is the flight from New Hampshire to San Diego?

    Departing from New Hampshire to San Diego will take you 6h 34m. The distance from New Hampshire to San Diego is about 2581 mi. Generally, flights for this route are nonstop.

  • What are the cheapest airlines to fly from New Hampshire to San Diego one-way?

    For one-way options, check prices for Alaska Airlines. According to our data, you can fly for as low as $123. Users have also found prices from $124 and $124 on Delta and United Airlines, respectively.

  • What are the most popular routes from New Hampshire to San Diego?

    The most popular flight routes from New Hampshire to San Diego are Boston Logan Intl - San Diego, Manchester - San Diego and Portland - San Diego.

  • Can I find deals for flights from New Hampshire to San Diego that include hotel bookings?

    Yes. In addition to deals on New Hampshire to San Diego flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from New Hampshire to San Diego?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from New Hampshire to San Diego.

  • Can I find deals for business class flights from New Hampshire to San Diego?

    Yes. Cheapflights offers flight deals from New Hampshire to San Diego by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • 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 $168). Flying from New Hampshire to San Diego in April is currently the most expensive (average of $359). 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.

See more FAQs

Traveling to a place near San Diego?

Book flights to San Diego if you plan to visit one of these locations
El Cajon
Chula Vista
Coronado
La Mesa
Poway
Lemon Grove
National City

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Alternative routes for New Hampshire to San Diego

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Top 3 airlines flying from New Hampshire to San Diego

Discover the top 3 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 noviembre 5, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$261Average$532FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$286Average$424FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$342Average$472FlexibilityNo cancel feeOn-time63%

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