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 48% 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.

How long does it take to fly to San Diego?

On average, it takes 9h 01m to fly from New Hampshire to San Diego if you fly out of Lebanon (the most popular airport in New Hampshire) and into San Diego (the most popular airport in San Diego). If you’re flying out of Manchester and into San Diego, then the flight time is around 9h 06m.

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

As of November 2025, there are 42 flights per week flying from New Hampshire to San Diego. The most common day of the week flights depart is Thu, with 29% of flights taking off on this day.

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

Delta, JetBlue, and American 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 9 as of November 2025.

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.

$122 Cheap Flights from New Hampshire to San Diego in 2025/26

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Find the cheapest flights from New Hampshire to San Diego

Round-trip

One-way

Last minute

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Cheap round-trip flights

Enter your travel dates to find the best prices.

12:55 pm - 6:58 pmBOS-SAN

9h 03m1 stop

10:04 pm - 6:30 amSAN-BOS

5h 26mnonstop

$213Delta

Find Deal

Sat, Jan 10 - Sat, Jan 17

7:15 am - 4:40 pmBOS-SAN

12h 25m1 stop

10:04 pm - 6:30 amSAN-BOS

5h 26mnonstop

$214Delta

Find Deal

Sat, Jan 10 - Sat, Jan 17

5:10 pm - 8:50 pmBOS-SAN

6h 40mnonstop

10:04 pm - 6:30 amSAN-BOS

5h 26mnonstop

$219Delta

Find Deal

Mon, Feb 2 - Tue, Feb 10

2:18 pm - 10:58 pmORH-SAN

11h 40m1 stop

11:30 am - 1:53 pmSAN-ORH

23h 23m1 stop

$257American Airlines

Find Deal

Fri, Jan 16 - Tue, Jan 20

2:18 pm - 11:44 amORH-SAN

24h 26m2 stops

11:30 am - 1:53 pmSAN-ORH

23h 23m1 stop

$267American Airlines

Find Deal

Fri, Jan 16 - Tue, Jan 20

5:00 am - 11:30 amMHT-SAN

9h 30m2 stops

11:00 am - 9:05 pmSAN-MHT

7h 05m1 stop

$373Southwest

Find Deal

Thu, Dec 18 - Thu, Dec 25

12:30 pm - 5:55 pmMHT-SAN

8h 25m1 stop

11:00 am - 9:05 pmSAN-MHT

7h 05m1 stop

$394Southwest

Find Deal

Thu, Dec 18 - Thu, Dec 25

2:17 pm - 10:37 pmMHT-SAN

11h 20m2 stops

8:30 am - 6:53 pmSAN-MHT

7h 23m1 stop

$399United Airlines

Find Deal

Sun, Feb 8 - Sun, Feb 15

7:00 am - 2:05 pmLEB-SAN

10h 05m1 stop

9:30 pm - 9:53 amSAN-LEB

9h 23m1 stop

$479JetBlue

Find Deal

Fri, Jan 9 - Tue, Jan 13

2:09 pm - 8:10 pmLEB-SAN

9h 01m1 stop

8:44 pm - 9:53 amSAN-LEB

10h 09m1 stop

$574JetBlue

Find Deal

Sat, Dec 13 - Sun, Dec 28

Delta flights from New Hampshire to San Diego

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

Delta

Jan 10

BOS5:10 pmBoston Logan Intl

6h 40m

SAN8:50 pmSan Diego

Jan 17

SAN10:30 pmSan Diego

8h 32m

1 stop

BOS10:02 amBoston Logan Intl

$213

Find similar

Delta

Jan 10

BOS7:15 amBoston Logan Intl

12h 25m

1 stop

SAN4:40 pmSan Diego

Jan 17

SAN10:04 pmSan Diego

5h 26m

BOS6:30 amBoston Logan Intl

$214

Find similar

Delta

Feb 2

BOS5:10 pmBoston Logan Intl

6h 40m

SAN8:50 pmSan Diego

Feb 10

SAN10:04 pmSan Diego

5h 26m

BOS6:30 amBoston Logan Intl

$219

Find similar

JetBlue flights from New Hampshire to San Diego

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

JetBlue

Dec 9

BOS3:50 pmBoston Logan Intl

6h 31m

SAN7:21 pmSan Diego

Jan 7

SAN9:30 pmSan Diego

5h 24m

BOS5:54 amBoston Logan Intl

$227

Find similar

JetBlue

Dec 9

BOS6:52 amBoston Logan Intl

6h 36m

SAN10:28 amSan Diego

Jan 12

SAN9:30 pmSan Diego

5h 24m

BOS5:54 amBoston Logan Intl

$242

Find similar

JetBlue

Dec 7

BOS6:52 amBoston Logan Intl

6h 36m

SAN10:28 amSan Diego

Jan 14

SAN9:30 pmSan Diego

5h 24m

BOS5:54 amBoston Logan Intl

$257

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BostonSan Diego

BOS - SAN

BOSSAN

Boston Logan Intl

Sat 1/10

12:55 pm-6:58 pm

1 stop9h 03m

San Diego

Sat 1/17

10:04 pm-6:30 am

Nonstop5h 26m

$213

BostonSan Diego

BOS - SAN

BOSSAN

Boston Logan Intl

Sat 1/10

7:15 am-4:40 pm

1 stop12h 25m

San Diego

Sat 1/17

10:04 pm-6:30 am

Nonstop5h 26m

$214

BostonSan Diego

BOS - SAN

BOSSAN

Boston Logan Intl

Mon 2/2

5:10 pm-8:50 pm

Nonstop6h 40m

San Diego

Tue 2/10

10:04 pm-6:30 am

Nonstop5h 26m

$219

WorcesterSan Diego

ORH - SAN

ORHSAN

Worcester

Fri 1/16

2:18 pm-10:58 pm

1 stop11h 40m

San Diego

Tue 1/20

11:30 am-1:53 pm

1 stop23h 23m

$257

WorcesterSan Diego

ORH - SAN

ORHSAN

Worcester

Fri 1/16

2:18 pm-11:44 am

2 stops24h 26m

San Diego

Tue 1/20

11:30 am-1:53 pm

1 stop23h 23m

$267

ManchesterSan Diego

MHT - SAN

MHTSAN

Manchester

Thu 12/18

5:00 am-11:30 am

2 stops9h 30m

San Diego

Thu 12/25

11:00 am-9:05 pm

1 stop7h 05m

$373

ManchesterSan Diego

MHT - SAN

MHTSAN

Manchester

Thu 12/18

12:30 pm-5:55 pm

1 stop8h 25m

San Diego

Thu 12/25

11:00 am-9:05 pm

1 stop7h 05m

$394

ManchesterSan Diego

MHT - SAN

MHTSAN

Manchester

Sun 2/8

2:17 pm-10:37 pm

2 stops11h 20m

San Diego

Sun 2/15

8:30 am-6:53 pm

1 stop7h 23m

$399

LebanonSan Diego

LEB - SAN

LEBSAN

Lebanon Municipal

Fri 1/9

7:00 am-2:05 pm

1 stop10h 05m

San Diego

Tue 1/13

9:30 pm-9:53 am

1 stop9h 23m

$479

LebanonSan Diego

LEB - SAN

LEBSAN

Lebanon Municipal

Sat 12/13

2:09 pm-8:10 pm

1 stop9h 01m

San Diego

Sun 12/28

8:44 pm-9:53 am

1 stop10h 09m

$574

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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 $346. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $430. 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 evening when flights can be purchased for as low as $186. Flights in the morning are often more expensive with an average ticket price of $386.

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 $369 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 $314 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 27m
Direct flights	Every day
Airports in San Diego	1 airport

The fastest flight from New Hampshire to San Diego takes 6h 27m

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

There is 1 airport near San Diego: 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 9 as of November 2025.
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 9,028 reviews	Search United Airlines flights
American Airlines	PriceFrom $286	Free Cancellation	Rating 7.2 11,047 reviews	Search American Airlines flights
Southwest	PriceFrom $342	Free Cancellation	Rating 8.0 4,251 reviews	Search Southwest flights

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National City

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La Mesa

Poway

Borrego Springs

San Ysidro

Lemon Grove

Alpine

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.

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.

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Cheap flights from New Hampshire to San Diego from $122

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 1/6. 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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Delta flights from New Hampshire to San Diego

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

JetBlue flights from New Hampshire to San Diego

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

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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

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 evening when flights can be purchased for as low as $186. Flights in the morning are often more expensive with an average ticket price of $386.

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?

Delta, JetBlue, and American 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 November 2025, there are 42 flights per week flying from New Hampshire to San Diego. The most common day of the week flights depart is Thu, with 29% of flights taking off on this day.

How long does it take to fly to San Diego?

On average, it takes 9h 01m to fly from New Hampshire to San Diego if you fly out of Lebanon (the most popular airport in New Hampshire) and into San Diego (the most popular airport in San Diego). If you’re flying out of Manchester and into San Diego, then the flight time is around 9h 06m.

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