What is the cheapest airline that flies from New Hampshire to Caribbean Islands?

Spirit Airlines, American Airlines, and Delta are the most popular carriers operating from New Hampshire to Caribbean Islands

How many flights depart from New Hampshire to Caribbean Islands on average per week?

147 flights are operational weekly from New Hampshire to Caribbean Islands as of March 2026. The most popular departure day for this route is Mon, with 25% of flights per week taking off on this day.

What airlines fly to Caribbean Islands?

American Airlines, Southwest and JetBlue are the top three most popular airlines that fly to Caribbean Islands from New Hampshire according to our data. American Airlines is the first choice among our users, with 58% of people opting to fly with this airline when traveling to Caribbean Islands. Keep in mind that there are 4 different airlines that fly to Caribbean Islands on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from New Hampshire to Caribbean Islands?

Prices for flights from New Hampshire to Caribbean Islands are refreshed on a daily basis.

How many operators does momondo search for flights from New Hampshire to Caribbean Islands?

There are 12 operators available for flights from New Hampshire to Caribbean Islands as of March 2026.

How old do you have to be to fly from New Hampshire to Caribbean Islands?

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 Caribbean Islands.

What documentation or ID do you need to fly to Caribbean Islands?

The travel and health documents you'll need for your trip to Caribbean Islands 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 Caribbean Islands. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$75 Cheap Flights from New Hampshire to Caribbean Islands in 2026

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Find the cheapest flights from New Hampshire to Caribbean Islands

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

9:45 am - 9:59 pm

BOS

SJU

12h 14m

1 stop

6:00 am - 10:16 am

SJU

BOS

4h 16mnonstop

$153Multiple Airlines

Tue, Mar 31 - Tue, Apr 7

11:18 am - 3:17 pm

BOS

SJU

3h 59mnonstop

6:00 am - 10:16 am

SJU

BOS

4h 16mnonstop

$154Frontier

Tue, Apr 7 - Thu, Apr 9

3:23 pm - 7:19 pm

BOS

SJU

3h 56mnonstop

10:00 am - 2:18 pm

SJU

BOS

4h 18mnonstop

$156Spirit Airlines

Tue, Mar 31 - Thu, Apr 9

9:45 am - 9:59 pm

BOS

SJU

12h 14m

1 stop

10:00 am - 2:18 pm

SJU

BOS

4h 18mnonstop

$157Spirit Airlines

Tue, Mar 31 - Sat, Apr 4

8:45 am - 12:42 pm

BOS

STT

3h 57mnonstop

2:33 pm - 6:59 pm

STT

BOS

4h 26mnonstop

$201Delta

Mon, Apr 13 - Thu, Apr 16

6:00 am - 1:00 pm

BOS

STT

7h 00m

1 stop

2:33 pm - 6:59 pm

STT

BOS

4h 26mnonstop

$206Delta

Wed, Apr 8 - Wed, Apr 15

6:00 am - 1:08 pm

BOS

STT

7h 08m

1 stop

1:22 pm - 11:59 pm

STT

BOS

10h 37m

2 stops

$210United Airlines

Mon, Apr 13 - Tue, Apr 21

6:00 am - 12:35 pm

BOS

STT

6h 35m

1 stop

3:29 pm - 11:52 pm

STT

BOS

8h 23m

1 stop

$215American Airlines

Wed, Apr 22 - Wed, Apr 29

5:30 am - 4:02 pm

BOS

STT

10h 32m

1 stop

5:05 pm - 10:02 am

STT

BOS

16h 57m

1 stop

$240American Airlines

Wed, Apr 1 - Tue, Apr 14

6:00 am - 3:31 pm

BOS

STT

9h 31m

1 stop

1:22 pm - 11:59 pm

STT

BOS

10h 37m

2 stops

$250United Airlines

Sun, Apr 12 - Thu, Apr 16

Frontier flights from New Hampshire to Caribbean Islands

Our best Frontier deals on New Hampshire to Caribbean Islands flight tickets

Frontier

Apr 7

BOS11:18 amBoston Logan Intl

3h 59m

SJU3:17 pmSan Juan Luis Munoz Marin Intl

Apr 9

SJU6:00 amSan Juan Luis Munoz Marin Intl

4h 16m

BOS10:16 amBoston Logan Intl

$154

Frontier

Apr 7

BOS11:18 amBoston Logan Intl

3h 59m

SJU3:17 pmSan Juan Luis Munoz Marin Intl

Apr 14

SJU6:30 amSan Juan Luis Munoz Marin Intl

27h 51m

1 stop

BOS10:21 amBoston Logan Intl

$165

Frontier

Apr 2

BOS11:18 amBoston Logan Intl

3h 59m

SJU3:17 pmSan Juan Luis Munoz Marin Intl

Apr 9

SJU6:00 amSan Juan Luis Munoz Marin Intl

4h 16m

BOS10:16 amBoston Logan Intl

$167

Spirit Airlines flights from New Hampshire to Caribbean Islands

Our best Spirit Airlines deals on New Hampshire to Caribbean Islands flight tickets

Spirit Airlines

Mar 31

BOS3:23 pmBoston Logan Intl

3h 56m

SJU7:19 pmSan Juan Luis Munoz Marin Intl

Apr 9

SJU10:00 amSan Juan Luis Munoz Marin Intl

4h 18m

BOS2:18 pmBoston Logan Intl

$156

Spirit Airlines

Mar 31

BOS9:45 amBoston Logan Intl

12h 14m

1 stop

SJU9:59 pmSan Juan Luis Munoz Marin Intl

Apr 4

SJU10:00 amSan Juan Luis Munoz Marin Intl

4h 18m

BOS2:18 pmBoston Logan Intl

$157

Spirit Airlines

Mar 31

BOS9:45 amBoston Logan Intl

12h 14m

1 stop

SJU9:59 pmSan Juan Luis Munoz Marin Intl

Apr 9

SJU10:00 amSan Juan Luis Munoz Marin Intl

4h 18m

BOS2:18 pmBoston Logan Intl

$160

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BostonSan Juan

BOS - SJU

BOSSJU

Boston Logan Intl

Tue 3/31

9:45 am-9:59 pm

1 stop12h 14m

San Juan Luis Munoz Marin Intl

Tue 4/7

6:00 am-10:16 am

Nonstop4h 16m

$153

BostonSan Juan

BOS - SJU

BOSSJU

Boston Logan Intl

Tue 4/7

11:18 am-3:17 pm

Nonstop3h 59m

San Juan Luis Munoz Marin Intl

Thu 4/9

6:00 am-10:16 am

Nonstop4h 16m

$154

Quickest round-trip

BostonSan Juan

BOS - SJU

BOSSJU

Boston Logan Intl

Tue 3/31

3:23 pm-7:19 pm

Nonstop3h 56m

San Juan Luis Munoz Marin Intl

Thu 4/9

10:00 am-2:18 pm

Nonstop4h 18m

$156

BostonSan Juan

BOS - SJU

BOSSJU

Boston Logan Intl

Tue 3/31

9:45 am-9:59 pm

1 stop12h 14m

San Juan Luis Munoz Marin Intl

Sat 4/4

10:00 am-2:18 pm

Nonstop4h 18m

$157

BostonSaint Thomas Island

BOS - STT

BOSSTT

Boston Logan Intl

Mon 4/13

8:45 am-12:42 pm

Nonstop3h 57m

Saint Thomas Island Cyril E King

Thu 4/16

2:33 pm-6:59 pm

Nonstop4h 26m

$201

BostonSaint Thomas Island

BOS - STT

BOSSTT

Boston Logan Intl

Wed 4/8

6:00 am-1:00 pm

1 stop7h 00m

Saint Thomas Island Cyril E King

Wed 4/15

2:33 pm-6:59 pm

Nonstop4h 26m

$206

BostonSaint Thomas Island

BOS - STT

BOSSTT

Boston Logan Intl

Mon 4/13

6:00 am-1:08 pm

1 stop7h 08m

Saint Thomas Island Cyril E King

Tue 4/21

1:22 pm-11:59 pm

2 stops10h 37m

$210

BostonSaint Thomas Island

BOS - STT

BOSSTT

Boston Logan Intl

Wed 4/22

6:00 am-12:35 pm

1 stop6h 35m

Saint Thomas Island Cyril E King

Wed 4/29

3:29 pm-11:52 pm

1 stop8h 23m

$215

BostonSaint Thomas Island

BOS - STT

BOSSTT

Boston Logan Intl

Wed 4/1

5:30 am-4:02 pm

1 stop10h 32m

Saint Thomas Island Cyril E King

Tue 4/14

5:05 pm-10:02 am

1 stop16h 57m

$240

BostonSaint Thomas Island

BOS - STT

BOSSTT

Boston Logan Intl

Sun 4/12

6:00 am-3:31 pm

1 stop9h 31m

Saint Thomas Island Cyril E King

Thu 4/16

1:22 pm-11:59 pm

2 stops10h 37m

$250

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 Caribbean Islands

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 Caribbean Islands?

The month of January is, on average, the cheapest month to fly to Caribbean Islands from New Hampshire, with most prices found around $267. The month of May is another great option to travel to Caribbean Islands, with average flight prices from New Hampshire averaging around $278.

How far in advance should I book a flight to Caribbean Islands?

You are more likely to see cheaper flights to Caribbean Islands from New Hampshire when booking weeks ahead of your departure date. In general, you can expect to find flights to Caribbean Islands for around $314 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Caribbean Islands from New Hampshire for as low as $285 on momondo.

Can stopping save me money on New Hampshire to Caribbean Islands flights?

You could potentially save up to 18% on your flight if you consider stops on a New Hampshire to Caribbean Islands flight.

Cheap New Hampshire to Caribbean Islands flight deals and tips

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

Fastest flight time	3h 22m
Direct flights	Every day
Airports in Caribbean Islands	99 airports

The fastest flight from New Hampshire to Caribbean Islands takes 3h 22m

Direct flights go from New Hampshire to Caribbean Islands every day.

There are 99 airports in Caribbean Islands. From New Hampshire there are direct flights to Nassau Intl (NAS).

Search flight deals

When did momondo last update prices for flights from New Hampshire to Caribbean Islands?
Prices for flights from New Hampshire to Caribbean Islands are refreshed on a daily basis.
How many operators does momondo search for flights from New Hampshire to Caribbean Islands?
There are 12 operators available for flights from New Hampshire to Caribbean Islands as of March 2026.
How old do you have to be to fly from New Hampshire to Caribbean Islands?
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 Caribbean Islands.
What documentation or ID do you need to fly to Caribbean Islands?
The travel and health documents you'll need for your trip to Caribbean Islands 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 Caribbean Islands. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from New Hampshire to Caribbean Islands?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from New Hampshire to Caribbean Islands is Airbus A320-100/200 (33.64% of total bookings). The next most popular plane models are Airbus A220-300 (19.48%), Boeing 737-800 Passenger/BBJ2 (winglets) (8.87%), and Boeing 737 MAX 8 (8.29%).

Best airlines flying from New Hampshire to Caribbean Islands

Compare and see reviews for airlines that fly from New Hampshire to Caribbean Islands with momondo

Airline	Rating	Free Cancellation	Price
JetBlue	PriceFrom $124	Free Cancellation	Rating 7.2 2,907 reviews	Search JetBlue flights
American Airlines	PriceFrom $231	Free Cancellation	Rating 7.1 11,493 reviews	Search American Airlines flights
Southwest	PriceFrom $308	Free Cancellation	Rating 8.0 4,332 reviews	Search Southwest flights
United Airlines	PriceFrom $325	Free Cancellation	Rating 7.4 9,476 reviews	Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from New Hampshire to Caribbean Islands?

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

Can I find flights from New Hampshire to Caribbean Islands with flexible booking policies on momondo?

Flights from New Hampshire to Caribbean Islands 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 New Hampshire to Caribbean Islands?

Once you have performed a search for New Hampshire to Caribbean Islands 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 Caribbean Islands right now. Can momondo alert me if prices change?

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