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Cheap flights from San Diego to New Hampshire 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 San Diego to New Hampshire departing on 12/12. 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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Find the cheapest flights from San Diego to New Hampshire

Cheap round-trip flights

JetBlue Logo
2:52 pm - 11:16 pmSAN-BOS
5h 24mnonstop
JetBlue Logo
3:55 pm - 7:26 pmBOS-SAN
6h 31mnonstop
$224JetBlue
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Tue, Oct 28 - Wed, Nov 12
JetBlue Logo
8:39 pm - 5:10 amSAN-BOS
5h 31mnonstop
JetBlue Logo
3:45 pm - 7:16 pmBOS-SAN
6h 31mnonstop
$225JetBlue
Find Deal
Mon, Oct 27 - Mon, Nov 3
Delta Logo
10:26 pm - 6:55 amSAN-BOS
5h 29mnonstop
Delta Logo
5:25 pm - 8:58 pmBOS-SAN
6h 33mnonstop
$227Delta
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Wed, Dec 3 - Sat, Dec 6
American Airlines Logo
10:31 pm - 11:13 amSAN-BOS
9h 42m1 stop
American Airlines Logo
5:24 am - 12:24 pmBOS-SAN
10h 00m1 stop
$229American Airlines
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Tue, Oct 14 - Sat, Oct 18
American Airlines Logo
6:15 am - 8:03 pmSAN-BOS
10h 48m1 stop
American Airlines Logo
7:30 am - 2:36 pmBOS-SAN
10h 06m1 stop
$230American Airlines
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Tue, Oct 28 - Wed, Nov 12
Hawaiian Airlines Logo
9:53 pm - 6:41 amSAN-BOS
5h 48mnonstop
Hawaiian Airlines Logo
4:24 pm - 8:03 pmBOS-SAN
6h 39mnonstop
$246Hawaiian Airlines
Find Deal
Thu, Oct 23 - Sat, Nov 1
Hawaiian Airlines Logo
9:28 am - 12:20 amSAN-BOS
11h 52m1 stop
Hawaiian Airlines Logo
4:24 pm - 8:03 pmBOS-SAN
6h 39mnonstop
$251Hawaiian Airlines
Find Deal
Mon, Oct 27 - Mon, Nov 3
Delta Logo
10:15 pm - 6:53 amSAN-BOS
5h 38mnonstop
Delta Logo
5:25 pm - 8:44 pmBOS-SAN
6h 19mnonstop
$257Delta
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Mon, Oct 27 - Fri, Oct 31
Southwest Logo
6:35 am - 8:50 pmSAN-BOS
11h 15m1 stop
Southwest Logo
5:30 am - 11:50 amBOS-SAN
9h 20m2 stops
$273Southwest
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Sat, Oct 25 - Tue, Oct 28
Southwest Logo
6:20 am - 4:30 pmSAN-BOS
7h 10m1 stop
Southwest Logo
2:40 pm - 10:20 pmBOS-SAN
10h 40m1 stop
$284Southwest
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Fri, Jan 16 - Thu, Jan 22

JetBlue flights from San Diego to New Hampshire

Our best JetBlue deals on San Diego to New Hampshire flight tickets
JetBlue
Oct 28
SAN2:52 pmSan Diego
5h 24m
BOS11:16 pmBoston Logan Intl
Nov 12
BOS3:55 pmBoston Logan Intl
6h 31m
SAN7:26 pmSan Diego
$224
Find similar
JetBlue
Oct 27
SAN8:39 pmSan Diego
5h 31m
BOS5:10 amBoston Logan Intl
Nov 3
BOS3:45 pmBoston Logan Intl
6h 31m
SAN7:16 pmSan Diego
$225
Find similar
JetBlue
Dec 4
SAN11:38 amSan Diego
5h 36m
BOS8:14 pmBoston Logan Intl
Dec 8
BOS3:50 pmBoston Logan Intl
6h 31m
SAN7:21 pmSan Diego
$237
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American Airlines flights from San Diego to New Hampshire

Our best American Airlines deals on San Diego to New Hampshire flight tickets
American Airlines
Oct 14
SAN10:31 pmSan Diego
9h 42m
1 stop
BOS11:13 amBoston Logan Intl
Oct 18
BOS5:24 amBoston Logan Intl
10h 00m
1 stop
SAN12:24 pmSan Diego
$229
Find similar
American Airlines
Oct 28
SAN6:15 amSan Diego
10h 48m
1 stop
BOS8:03 pmBoston Logan Intl
Nov 12
BOS7:30 amBoston Logan Intl
10h 06m
1 stop
SAN2:36 pmSan Diego
$230
Find similar
American Airlines
Oct 27
SAN10:45 pmSan Diego
8h 27m
1 stop
BOS10:12 amBoston Logan Intl
Oct 31
BOS7:59 amBoston Logan Intl
10h 51m
1 stop
SAN3:50 pmSan Diego
$231
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momondo 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, momondo users made 832,500 searches. Data last updated September 19, 2025.
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

Price

San DiegoBoston

SAN - BOS

SANBOS

San Diego

Tue 10/28

2:52 pm-11:16 pm

Nonstop5h 24m

Boston Logan Intl

Wed 11/12

3:55 pm-7:26 pm

Nonstop6h 31m

$224

San DiegoBoston

SAN - BOS

SANBOS

San Diego

Mon 10/27

8:39 pm-5:10 am

Nonstop5h 31m

Boston Logan Intl

Mon 11/3

3:45 pm-7:16 pm

Nonstop6h 31m

$225

San DiegoBoston

SAN - BOS

SANBOS

San Diego

Wed 12/3

10:26 pm-6:55 am

Nonstop5h 29m

Boston Logan Intl

Sat 12/6

5:25 pm-8:58 pm

Nonstop6h 33m

$227

San DiegoBoston

SAN - BOS

SANBOS

San Diego

Tue 10/14

10:31 pm-11:13 am

1 stop9h 42m

Boston Logan Intl

Sat 10/18

5:24 am-12:24 pm

1 stop10h 00m

$229

San DiegoBoston

SAN - BOS

SANBOS

San Diego

Tue 10/28

6:15 am-8:03 pm

1 stop10h 48m

Boston Logan Intl

Wed 11/12

7:30 am-2:36 pm

1 stop10h 06m

$230

San DiegoBoston

SAN - BOS

SANBOS

San Diego

Thu 10/23

9:53 pm-6:41 am

Nonstop5h 48m

Boston Logan Intl

Sat 11/1

4:24 pm-8:03 pm

Nonstop6h 39m

$246

San DiegoBoston

SAN - BOS

SANBOS

San Diego

Mon 10/27

9:28 am-12:20 am

1 stop11h 52m

Boston Logan Intl

Mon 11/3

4:24 pm-8:03 pm

Nonstop6h 39m

$251

San DiegoBoston

SAN - BOS

SANBOS

San Diego

Mon 10/27

10:15 pm-6:53 am

Nonstop5h 38m

Boston Logan Intl

Fri 10/31

5:25 pm-8:44 pm

Nonstop6h 19m

$257

San DiegoBoston

SAN - BOS

SANBOS

San Diego

Sat 10/25

6:35 am-8:50 pm

1 stop11h 15m

Boston Logan Intl

Tue 10/28

5:30 am-11:50 am

2 stops9h 20m

$273

San DiegoBoston

SAN - BOS

SANBOS

San Diego

Fri 1/16

6:20 am-4:30 pm

1 stop7h 10m

Boston Logan Intl

Thu 1/22

2:40 pm-10:20 pm

1 stop10h 40m

$284

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to New Hampshire from

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

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 New Hampshire?

The month of May is another great option to travel to New Hampshire, with average flight prices from San Diego averaging around $317.

What is the cheapest day to depart on your flight to New Hampshire?

The cheapest day to depart on your flight to New Hampshire is on a Wednesday when prices can be found for as low as $343. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to New Hampshire is Sunday, with ticket prices averaging around $462.

What is the cheapest time of day to depart on your flight to New Hampshire?

According to our data, the cheapest time of day to fly to New Hampshire is in the evening. momondo users have found flights departing from San Diego to New Hampshire in the evening for as low as $329. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Try not to purchase tickets in the morning because they tend to be around $484. Of course, these prices can vary depending on the time of year and what airport you fly to.

How far in advance should I book a flight to New Hampshire?

You are more likely to see cheaper flights to New Hampshire from San Diego when booking weeks ahead of your departure date. In general, you can expect to find flights to New Hampshire for around $363 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to New Hampshire from San Diego for as low as $309 on momondo.

Cheap San Diego to New Hampshire flight deals and tips

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

Fastest flight time

5h 13m

Direct flights

Every day

Airports in New Hampshire

1 airport
The fastest flight from San Diego to New Hampshire takes 5h 13m
Direct flights go from San Diego to New Hampshire every day.
There is 1 airport near New Hampshire: Boston Logan Intl (BOS)
Search flight deals

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

    Prices for flights from San Diego Airport to New Hampshire refresh daily.

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

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Diego Airport to New Hampshire.

  • What documentation or ID do you need to fly to New Hampshire?

    The travel and health documents you'll need for your trip to New Hampshire may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at New Hampshire. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from San Diego to New Hampshire

Compare and see reviews for airlines that fly from San Diego to New Hampshire with momondo
Airline
Rating
Free Cancellation
Price
SouthwestPriceFrom $286Free CancellationRating
8.0
4,242 reviews
Search Southwest flights
American AirlinesPriceFrom $286Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from San Diego to New Hampshire. Millions of users trust and use momondo every year so you are in good hands.

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

Flights from San Diego to New Hampshire with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

momondo provides multiple filters to help you find the best flight to New Hampshire from San Diego. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

If you are not ready to book a flight from San Diego to New Hampshire now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to New Hampshire and let you know when they change.

An easier way to manage your New Hampshire trip

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