How does KAYAK find such low prices on flights from New Hampshire to San Diego?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from New Hampshire to San Diego. Visit our flight page for the latest deals!>/a>

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from New Hampshire to San Diego?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to San Diego from New Hampshire is likely to change within 7 days, so travelers know whether to wait or book now. Visit our flight page for the latest deals!>/a>

What is the Hacker Fare option on flights from New Hampshire to San Diego?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to San Diego with an airline and back to New Hampshire with another airline. Visit our flight page for the latest deals!>/a>

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from New Hampshire to San Diego?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to San Diego from New Hampshire up to 3 days before/after your preferred dates. You can then pick the flights that suit you best. Visit our flight page for the latest deals!>/a>

$127 CHEAP FLIGHTS from New Hampshire to San Diego

SAN

KAYAK searches hundreds of travel sites at once for deals on flights to San Diego

...and more

Travelers love KAYAK

41,299,237 searches in the past 7 days on KAYAK

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Filter your dealsChoose cabin class, free Wi-Fi and more.

Cheapest round-trip

$225

Overall average: $319

JetBlue

Mon 1/12Wed 1/21

BOS - SAN • Non-stop

Cheapest one-way

$127

Typical prices: $143-$328

Frontier

Mon 2/2

BOS - SAN • 2 stops

Start a new search

KAYAK searches 100s of sites at once to find you the best travel deals.

We hope you love your trip to San Diego!

Flight Deals

Cheap Flights from New Hampshire to San Diego

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from New Hampshire to San Diego that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Direct

Recent round-trip flight deals from New Hampshire to San Diego

Mon, Jan 12 - Wed, Jan 21

4:45 pm - 8:20 pm

BOS

SAN

6h 35mnonstop

3:15 pm - 11:39 pm

SAN

BOS

5h 24mnonstop

$225JetBlue

Mon, Jan 12 - Wed, Jan 21

4:45 pm - 8:20 pm

BOS

SAN

6h 35mnonstop

9:30 pm - 5:55 am

SAN

BOS

5h 25mnonstop

$226JetBlue

Tue, Jan 20 - Sat, Jan 24

5:10 pm - 8:50 pm

BOS

SAN

6h 40mnonstop

10:04 pm - 6:30 am

SAN

BOS

5h 26mnonstop

$227Delta

Wed, Jan 28 - Wed, Feb 4

7:00 am - 3:29 pm

BOS

SAN

11h 29m1 stop

9:10 am - 5:39 pm

SAN

BOS

5h 29mnonstop

$232Hawaiian Airlines

Thu, Jan 29 - Wed, Feb 4

4:20 pm - 8:00 pm

BOS

SAN

6h 40mnonstop

9:10 am - 5:39 pm

SAN

BOS

5h 29mnonstop

$234Alaska Airlines

Wed, Feb 25 - Mon, Mar 2

4:00 pm - 7:28 pm

BOS

SAN

6h 28mnonstop

9:50 am - 11:59 pm

SAN

BOS

11h 09m1 stop

$235Multiple Airlines

Wed, Jan 28 - Wed, Feb 4

6:05 am - 11:32 am

BOS

SAN

8h 27m1 stop

6:20 am - 5:20 pm

SAN

BOS

8h 00m1 stop

$236American Airlines

Tue, Feb 3 - Thu, Feb 12

4:44 pm - 8:20 pm

BOS

SAN

6h 36mnonstop

8:42 pm - 5:06 am

SAN

BOS

5h 24mnonstop

$237JetBlue

Tue, Jan 13 - Sat, Jan 17

5:10 pm - 8:50 pm

BOS

SAN

6h 40mnonstop

10:30 pm - 10:02 am

SAN

BOS

8h 32m1 stop

$243Delta

Tue, Dec 30 - Sat, Jan 3

10:48 am - 8:18 pm

LEB

SAN

12h 30m1 stop

8:27 pm - 9:53 am

SAN

LEB

10h 26m1 stop

$1,544Multiple Airlines

Useful Info

Low season	September
High season	July
Cheapest flight	$127

Best time to beat the crowds with an average 12% drop in price.

Flight from Boston to San Diego

How does KAYAK find such low prices on flights from New Hampshire to San Diego?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from New Hampshire to San Diego.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from New Hampshire to San Diego?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to San Diego from New Hampshire is likely to change within 7 days, so travelers know whether to wait or book now.
What is the Hacker Fare option on flights from New Hampshire to San Diego?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to San Diego with an airline and back to New Hampshire with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from New Hampshire to San Diego?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to San Diego from New Hampshire up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Julian

Lemon Grove

National City

Borrego Springs

Poway

Alpine

Santee

Everything you need to know for your flight to San Diego

Airports

Cabin class

Complete your trip

Direct Flights

Flights to other cities

Origins

Other airports

Return flight deals

Information on the airport you'll fly into in San Diego

San Diego (SAN)

SAN

$127 Find Cheap Flights from New Hampshire to San Diego

KAYAK searches hundreds of travel sites at once for deals on flights to San Diego

Everything you should know

Cheap Flights from New Hampshire to San Diego

Recent round-trip flight deals from New Hampshire to San Diego

Recent one-way flight deals from New Hampshire to San Diego

Recent last minute flight deals from New Hampshire to San Diego

Recent direct flight deals from New Hampshire to San Diego

Good to know

FAQs for booking flights from New Hampshire to San Diego

How does KAYAK find such low prices on flights from New Hampshire to San Diego?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from New Hampshire to San Diego.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from New Hampshire to San Diego?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to San Diego from New Hampshire is likely to change within 7 days, so travelers know whether to wait or book now.

What is the Hacker Fare option on flights from New Hampshire to San Diego?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to San Diego with an airline and back to New Hampshire with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from New Hampshire to San Diego?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to San Diego from New Hampshire up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Traveling to a place near San Diego?

Everything you need to know for your flight to San Diego

Information on the airport you'll fly into in San Diego

Cabin class types available on flights to New Hampshire

Complete your trip to San Diego with a hotel stay or car rental

Find direct flights for San Diego

Flights to other popular destinations

Flights from domestic origins to San Diego

Choose which airport to fly into in San Diego

Find deals for your return flight