How many flights depart from New Hampshire to San Diego on average per week?

As of January 2026, there are 51 flights per week flying from New Hampshire to San Diego. The most common day of the week flights depart is Wed, with 20% of flights taking off on this day.

How long does it take to fly to San Diego?

On average, it takes 8h 10m to fly from New Hampshire to San Diego if you fly out of Manchester (the most popular airport in New Hampshire) and into San Diego (the most popular airport in San Diego). If you’re flying out of Lebanon and into San Diego, then the flight time is around 9h 11m.

What airlines fly to San Diego?

Southwest, American Airlines and United Airlines are the top three most popular airlines that fly to San Diego from New Hampshire according to our data. Southwest is the first choice among our users, with 52% of people opting to fly with this airline when traveling to San Diego. Keep in mind that there are 3 different airlines that fly to San Diego on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from New Hampshire to San Diego?

Frontier, United Airlines, and Alaska Airlines are the most popular carriers operating from New Hampshire to San Diego

When did momondo last update prices for flights from New Hampshire to San Diego Airport?

Prices for flights from New Hampshire to San Diego Airport are refreshed on a daily basis.

How many operators does momondo search for flights from New Hampshire to San Diego Airport?

The number of operators available for flights from New Hampshire to San Diego Airport is 8 as of January 2026.

How old do you have to be to fly from New Hampshire to San Diego Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from New Hampshire to San Diego Airport.

What documentation or ID do you need to fly to San Diego Airport?

The travel and health documents required for your trip to San Diego Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at San Diego Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$128 Cheap Flights from New Hampshire to San Diego in 2026

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Find the cheapest flights from New Hampshire to San Diego

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One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

6:00 am - 11:45 am

MHT

SAN

8h 45m1 stop

11:56 am - 10:57 pm

SAN

MHT

8h 01m1 stop

$229American Airlines

Tue, Feb 24 - Wed, Mar 4

5:10 pm - 8:50 pm

BOS

SAN

6h 40mnonstop

10:04 pm - 6:30 am

SAN

BOS

5h 26mnonstop

$232Delta

Tue, Jan 20 - Tue, Jan 27

4:54 pm - 8:30 pm

BOS

SAN

6h 36mnonstop

8:34 pm - 4:45 am

SAN

BOS

5h 11mnonstop

$233JetBlue

Thu, Feb 5 - Fri, Feb 13

10:45 am - 2:23 pm

BOS

SAN

6h 38mnonstop

8:42 pm - 5:06 am

SAN

BOS

5h 24mnonstop

$234JetBlue

Wed, Mar 4 - Sun, Mar 8

6:00 am - 2:18 pm

MHT

SAN

11h 18m2 stops

11:56 am - 10:57 pm

SAN

MHT

8h 01m1 stop

$234American Airlines

Tue, Feb 24 - Wed, Mar 4

2:40 pm - 10:20 pm

BOS

SAN

10h 40m1 stop

1:30 pm - 12:05 am

SAN

BOS

7h 35m1 stop

$235Southwest

Wed, Mar 4 - Sat, Mar 7

5:05 pm - 8:45 pm

BOS

SAN

6h 40mnonstop

9:55 pm - 6:25 am

SAN

BOS

5h 30mnonstop

$236Delta

Fri, Feb 20 - Wed, Feb 25

5:10 pm - 8:50 pm

BOS

SAN

6h 40mnonstop

10:04 pm - 6:30 am

SAN

BOS

5h 26mnonstop

$237Delta

Mon, Feb 2 - Fri, Feb 6

5:44 pm - 9:29 pm

BOS

SAN

6h 45mnonstop

8:50 am - 5:24 pm

SAN

BOS

5h 34mnonstop

$238Alaska Airlines

Tue, Feb 17 - Thu, Feb 19

5:30 am - 10:50 am

BOS

SAN

8h 20m1 stop

6:30 am - 8:05 pm

SAN

BOS

10h 35m2 stops

$240Southwest

Wed, Mar 4 - Sat, Mar 7

Alaska Airlines flights from New Hampshire to San Diego

Our best Alaska Airlines deals on New Hampshire to San Diego flight tickets

Alaska Airlines

Feb 17

BOS5:44 pmBoston Logan Intl

6h 45m

SAN9:29 pmSan Diego

Feb 19

SAN8:50 amSan Diego

5h 34m

BOS5:24 pmBoston Logan Intl

$238

Alaska Airlines

Feb 2

BOS4:20 pmBoston Logan Intl

6h 40m

SAN8:00 pmSan Diego

Feb 6

SAN6:15 amSan Diego

14h 39m

1 stop

BOS11:54 pmBoston Logan Intl

$247

Alaska Airlines

Jan 25

BOS4:20 pmBoston Logan Intl

6h 40m

SAN8:00 pmSan Diego

Feb 5

SAN9:10 amSan Diego

5h 29m

BOS5:39 pmBoston Logan Intl

$252

Southwest flights from New Hampshire to San Diego

Our best Southwest deals on New Hampshire to San Diego flight tickets

Southwest

Mar 4

BOS2:40 pmBoston Logan Intl

10h 40m

1 stop

SAN10:20 pmSan Diego

Mar 7

SAN1:30 pmSan Diego

7h 35m

1 stop

BOS12:05 amBoston Logan Intl

$235

Southwest

Mar 4

BOS5:30 amBoston Logan Intl

8h 20m

1 stop

SAN10:50 amSan Diego

Mar 7

SAN6:30 amSan Diego

10h 35m

2 stops

BOS8:05 pmBoston Logan Intl

$240

Southwest

Jan 31

BOS6:05 amBoston Logan Intl

11h 05m

1 stop

SAN2:10 pmSan Diego

Feb 3

SAN11:40 amSan Diego

6h 45m

1 stop

BOS9:25 pmBoston Logan Intl

$241

Fly from

Fly to

Route

Depart

Return

Price

ManchesterSan Diego

MHT - SAN

MHTSAN

Manchester

Tue 2/24

6:00 am-11:45 am

1 stop8h 45m

San Diego

Wed 3/4

11:56 am-10:57 pm

1 stop8h 01m

$229

BostonSan Diego

BOS - SAN

BOSSAN

Boston Logan Intl

Tue 1/20

5:10 pm-8:50 pm

Nonstop6h 40m

San Diego

Tue 1/27

10:04 pm-6:30 am

Nonstop5h 26m

$232

BostonSan Diego

BOS - SAN

BOSSAN

Boston Logan Intl

Thu 2/5

4:54 pm-8:30 pm

Nonstop6h 36m

San Diego

Fri 2/13

8:34 pm-4:45 am

Nonstop5h 11m

$233

BostonSan Diego

BOS - SAN

BOSSAN

Boston Logan Intl

Wed 3/4

10:45 am-2:23 pm

Nonstop6h 38m

San Diego

Sun 3/8

8:42 pm-5:06 am

Nonstop5h 24m

$234

ManchesterSan Diego

MHT - SAN

MHTSAN

Manchester

Tue 2/24

6:00 am-2:18 pm

2 stops11h 18m

San Diego

Wed 3/4

11:56 am-10:57 pm

1 stop8h 01m

$234

BostonSan Diego

BOS - SAN

BOSSAN

Boston Logan Intl

Wed 3/4

2:40 pm-10:20 pm

1 stop10h 40m

San Diego

Sat 3/7

1:30 pm-12:05 am

1 stop7h 35m

$235

BostonSan Diego

BOS - SAN

BOSSAN

Boston Logan Intl

Fri 2/20

5:05 pm-8:45 pm

Nonstop6h 40m

San Diego

Wed 2/25

9:55 pm-6:25 am

Nonstop5h 30m

$236

BostonSan Diego

BOS - SAN

BOSSAN

Boston Logan Intl

Mon 2/2

5:10 pm-8:50 pm

Nonstop6h 40m

San Diego

Fri 2/6

10:04 pm-6:30 am

Nonstop5h 26m

$237

BostonSan Diego

BOS - SAN

BOSSAN

Boston Logan Intl

Tue 2/17

5:44 pm-9:29 pm

Nonstop6h 45m

San Diego

Thu 2/19

8:50 am-5:24 pm

Nonstop5h 34m

$238

BostonSan Diego

BOS - SAN

BOSSAN

Boston Logan Intl

Wed 3/4

5:30 am-10:50 am

1 stop8h 20m

San Diego

Sat 3/7

6:30 am-8:05 pm

2 stops10h 35m

$240

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How to get the cheapest flight ticket from New Hampshire to San Diego

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to San Diego?

If you are unable to visit San Diego during the month of January, then departing from New Hampshire during the month October is also very affordable. Most momondo users find prices during this month for around $337.

What is the cheapest day to depart on your flight to San Diego?

The cheapest day to depart from New Hampshire to San Diego is on a Tuesday. Travelers who choose to depart for San Diego on a Tuesday will often find tickets for as low as $350. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $436. These prices are subject to change though, so be sure to set up a Price Alert for flights to San Diego.

What is the cheapest time of day to depart on your flight to San Diego?

The cheapest time of day to fly to San Diego is in the afternoon when flights can be purchased for as low as $371. Flights in the morning are often more expensive with an average ticket price of $388.

How far in advance should I book a flight to San Diego?

You are more likely to see cheaper flights to San Diego from New Hampshire when booking weeks ahead of your departure date. In general, you can expect to find flights to San Diego for around $373 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Diego from New Hampshire for as low as $326 on momondo.

Cheap New Hampshire to San Diego flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from New Hampshire to San Diego

Fastest flight time	6h 07m
Direct flights	Every day
Airports in San Diego	1 airport

The fastest flight from New Hampshire to San Diego takes 6h 07m

Direct flights go from New Hampshire to San Diego every day.

There is 1 airport in San Diego. From New Hampshire there are direct flights to San Diego (SAN).

Search flight deals

When did momondo last update prices for flights from New Hampshire to San Diego Airport?
Prices for flights from New Hampshire to San Diego Airport are refreshed on a daily basis.
How many operators does momondo search for flights from New Hampshire to San Diego Airport?
The number of operators available for flights from New Hampshire to San Diego Airport is 8 as of January 2026.
How old do you have to be to fly from New Hampshire to San Diego Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from New Hampshire to San Diego Airport.
What documentation or ID do you need to fly to San Diego Airport?
The travel and health documents required for your trip to San Diego Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at San Diego Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from New Hampshire to San Diego

Compare and see reviews for airlines that fly from New Hampshire to San Diego with momondo

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $261	Free Cancellation	Rating 7.4 9,139 reviews	Search United Airlines flights
American Airlines	PriceFrom $286	Free Cancellation	Rating 7.2 11,094 reviews	Search American Airlines flights
Southwest	PriceFrom $351	Free Cancellation	Rating 8.0 4,250 reviews	Search Southwest flights

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Poway

National City

Imperial Beach

Borrego Springs

La Mesa

San Ysidro

Alpine

Lemon Grove

Santee

Why use momondo?

Why should I use momondo to find a flight deal from New Hampshire to San Diego?

Finding the right flight to San Diego from New Hampshire is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to San Diego quick and easy, saving you time and money.

Can I find flights from New Hampshire to San Diego with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for New Hampshire to San Diego flights to just show those with flexible booking policies.

How can momondo help me find flights from New Hampshire to San Diego?

Once you have performed a search for New Hampshire to San Diego flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from New Hampshire to San Diego right now. Can momondo alert me if prices change?

If you are simply researching potential flights to San Diego, momondo offers a useful price alert feature which will track prices for flights to San Diego from New Hampshire and alert you when they change.

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Cheap flights from New Hampshire to San Diego from $128

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from New Hampshire to San Diego departing on 2/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Filter for what you want

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Alaska Airlines flights from New Hampshire to San Diego

Our best Alaska Airlines deals on New Hampshire to San Diego flight tickets

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Our best Southwest deals on New Hampshire to San Diego flight tickets

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

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How to get the cheapest flight ticket from New Hampshire to San Diego

What is the cheapest month to fly to San Diego?

If you are unable to visit San Diego during the month of January, then departing from New Hampshire during the month October is also very affordable. Most momondo users find prices during this month for around $337.

What is the cheapest day to depart on your flight to San Diego?

What is the cheapest time of day to depart on your flight to San Diego?

The cheapest time of day to fly to San Diego is in the afternoon when flights can be purchased for as low as $371. Flights in the morning are often more expensive with an average ticket price of $388.

How far in advance should I book a flight to San Diego?

What is the cheapest airline that flies from New Hampshire to San Diego?

Frontier, United Airlines, and Alaska Airlines are the most popular carriers operating from New Hampshire to San Diego

What airlines fly to San Diego?

How many flights depart from New Hampshire to San Diego on average per week?

As of January 2026, there are 51 flights per week flying from New Hampshire to San Diego. The most common day of the week flights depart is Wed, with 20% of flights taking off on this day.

How long does it take to fly to San Diego?

On average, it takes 8h 10m to fly from New Hampshire to San Diego if you fly out of Manchester (the most popular airport in New Hampshire) and into San Diego (the most popular airport in San Diego). If you’re flying out of Lebanon and into San Diego, then the flight time is around 9h 11m.

Cheap New Hampshire to San Diego flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from New Hampshire to San Diego

Fastest flight time

Direct flights

Airports in San Diego

When did momondo last update prices for flights from New Hampshire to San Diego Airport?

How many operators does momondo search for flights from New Hampshire to San Diego Airport?

How old do you have to be to fly from New Hampshire to San Diego Airport?

What documentation or ID do you need to fly to San Diego Airport?

Best airlines flying from New Hampshire to San Diego

Compare and see reviews for airlines that fly from New Hampshire to San Diego with momondo

Traveling to a place near San Diego?

Why use momondo?

Why should I use momondo to find a flight deal from New Hampshire to San Diego?

Can I find flights from New Hampshire to San Diego with flexible booking policies on momondo?

How can momondo help me find flights from New Hampshire to San Diego?

I’m not ready to book a flight from New Hampshire to San Diego right now. Can momondo alert me if prices change?

An easier way to manage your San Diego trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Airports servicing California