Cheap flights from New Hampshire to Caribbean Islands from $77

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 Caribbean Islands departing on 1/5. 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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Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
10:24 am - 3:28 pmBOS-SJU
4h 04mnonstop
Frontier Logo
6:00 am - 9:23 amSJU-BOS
4h 23mnonstop
$214Frontier
Find Deal
Sat, Feb 21 - Thu, Feb 26
Spirit Airlines Logo
9:39 pm - 9:52 amBOS-SJU
11h 13m1 stop
Spirit Airlines Logo
12:10 pm - 10:08 pmSJU-BOS
10h 58m1 stop
$216Spirit Airlines
Find Deal
Sat, Jan 24 - Tue, Jan 27
Multiple Airlines Logo
10:24 am - 3:28 pmBOS-SJU
4h 04mnonstop
Multiple Airlines Logo
2:21 pm - 8:43 pmSJU-BOS
7h 22m1 stop
$221Multiple Airlines
Find Deal
Sun, Feb 22 - Fri, Feb 27
Multiple Airlines Logo
10:24 am - 3:28 pmBOS-SJU
4h 04mnonstop
Multiple Airlines Logo
5:27 pm - 8:34 pmSJU-BOS
4h 07mnonstop
$222Multiple Airlines
Find Deal
Thu, Feb 19 - Wed, Feb 25
JetBlue Logo
12:55 pm - 5:57 pmBOS-SJU
4h 02mnonstop
JetBlue Logo
6:45 am - 9:58 amSJU-BOS
4h 13mnonstop
$223JetBlue
Find Deal
Tue, Dec 9 - Sat, Dec 13
JetBlue Logo
1:00 pm - 6:02 pmBOS-SJU
4h 02mnonstop
JetBlue Logo
6:15 am - 9:25 amSJU-BOS
4h 10mnonstop
$262JetBlue
Find Deal
Sat, Jan 24 - Wed, Feb 4
American Airlines Logo
5:40 am - 4:30 pmBOS-STT
9h 50m1 stop
American Airlines Logo
6:17 pm - 12:59 amSTT-BOS
7h 42m1 stop
$285American Airlines
Find Deal
Sat, Nov 29 - Fri, Dec 5
United Airlines Logo
5:30 am - 1:56 pmBOS-STT
7h 26m1 stop
United Airlines Logo
5:20 pm - 11:54 pmSTT-BOS
7h 34m1 stop
$293United Airlines
Find Deal
Sun, Dec 14 - Fri, Dec 19
American Airlines Logo
6:00 am - 2:16 pmBOS-STT
7h 16m1 stop
American Airlines Logo
4:27 pm - 10:56 pmSTT-BOS
7h 29m1 stop
$295American Airlines
Find Deal
Mon, Nov 17 - Fri, Nov 21
United Airlines Logo
6:00 am - 4:18 pmBOS-STT
9h 18m1 stop
United Airlines Logo
3:05 pm - 12:45 amSTT-BOS
10h 40m1 stop
$332United Airlines
Find Deal
Sun, Nov 16 - Sun, Nov 23

Frontier flights from New Hampshire to Caribbean Islands

Our best Frontier deals on New Hampshire to Caribbean Islands flight tickets
Frontier
Feb 21
BOS10:24 amBoston Logan Intl
4h 04m
SJU3:28 pmSan Juan Luis Munoz Marin Intl
Feb 26
SJU6:00 amSan Juan Luis Munoz Marin Intl
4h 23m
BOS9:23 amBoston Logan Intl
Frontier
Jan 6
BOS12:43 pmBoston Logan Intl
4h 04m
SJU5:47 pmSan Juan Luis Munoz Marin Intl
Jan 13
SJU4:06 pmSan Juan Luis Munoz Marin Intl
8h 03m
1 stop
BOS11:09 pmBoston Logan Intl
Frontier
Feb 20
BOS10:24 amBoston Logan Intl
4h 04m
SJU3:28 pmSan Juan Luis Munoz Marin Intl
Mar 1
SJU6:00 amSan Juan Luis Munoz Marin Intl
4h 23m
BOS9:23 amBoston Logan Intl

Spirit Airlines flights from New Hampshire to Caribbean Islands

Our best Spirit Airlines deals on New Hampshire to Caribbean Islands flight tickets
Spirit Airlines
Jan 24
BOS9:39 pmBoston Logan Intl
11h 13m
1 stop
SJU9:52 amSan Juan Luis Munoz Marin Intl
Jan 27
SJU12:10 pmSan Juan Luis Munoz Marin Intl
10h 58m
1 stop
BOS10:08 pmBoston Logan Intl
Spirit Airlines
Jan 5
BOS5:45 amBoston Logan Intl
15h 20m
1 stop
SJU10:05 pmSan Juan Luis Munoz Marin Intl
Jan 29
SJU12:10 pmSan Juan Luis Munoz Marin Intl
10h 58m
1 stop
BOS10:08 pmBoston Logan Intl
Spirit Airlines
Jan 23
BOS11:13 amBoston Logan Intl
3h 54m
SJU4:07 pmSan Juan Luis Munoz Marin Intl
Feb 2
SJU6:00 amSan Juan Luis Munoz Marin Intl
19h 40m
2 stops
BOS12:40 amBoston Logan Intl

momondo Fare Finder

 
Customize your flight search to find flights from New Hampshire to Caribbean Islands 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 November 5, 2025.
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

BostonSan Juan

BOS - SJU

BOSSJU

Boston Logan Intl

Sat 2/21

10:24 am-3:28 pm

Nonstop4h 04m

San Juan Luis Munoz Marin Intl

Thu 2/26

6:00 am-9:23 am

Nonstop4h 23m

$214

BostonSan Juan

BOS - SJU

BOSSJU

Boston Logan Intl

Sat 1/24

9:39 pm-9:52 am

1 stop11h 13m

San Juan Luis Munoz Marin Intl

Tue 1/27

12:10 pm-10:08 pm

1 stop10h 58m

$216

BostonSan Juan

BOS - SJU

BOSSJU

Boston Logan Intl

Sun 2/22

10:24 am-3:28 pm

Nonstop4h 04m

San Juan Luis Munoz Marin Intl

Fri 2/27

2:21 pm-8:43 pm

1 stop7h 22m

$221

BostonSan Juan

BOS - SJU

BOSSJU

Boston Logan Intl

Thu 2/19

10:24 am-3:28 pm

Nonstop4h 04m

San Juan Luis Munoz Marin Intl

Wed 2/25

5:27 pm-8:34 pm

Nonstop4h 07m

$222

BostonSan Juan

BOS - SJU

BOSSJU

Boston Logan Intl

Tue 12/9

12:55 pm-5:57 pm

Nonstop4h 02m

San Juan Luis Munoz Marin Intl

Sat 12/13

6:45 am-9:58 am

Nonstop4h 13m

$223

BostonSan Juan

BOS - SJU

BOSSJU

Boston Logan Intl

Sat 1/24

1:00 pm-6:02 pm

Nonstop4h 02m

San Juan Luis Munoz Marin Intl

Wed 2/4

6:15 am-9:25 am

Nonstop4h 10m

$262

BostonSaint Thomas Island

BOS - STT

BOSSTT

Boston Logan Intl

Sat 11/29

5:40 am-4:30 pm

1 stop9h 50m

Saint Thomas Island Cyril E King

Fri 12/5

6:17 pm-12:59 am

1 stop7h 42m

$285

BostonSaint Thomas Island

BOS - STT

BOSSTT

Boston Logan Intl

Sun 12/14

5:30 am-1:56 pm

1 stop7h 26m

Saint Thomas Island Cyril E King

Fri 12/19

5:20 pm-11:54 pm

1 stop7h 34m

$293

BostonSaint Thomas Island

BOS - STT

BOSSTT

Boston Logan Intl

Mon 11/17

6:00 am-2:16 pm

1 stop7h 16m

Saint Thomas Island Cyril E King

Fri 11/21

4:27 pm-10:56 pm

1 stop7h 29m

$295

BostonSaint Thomas Island

BOS - STT

BOSSTT

Boston Logan Intl

Sun 11/16

6:00 am-4:18 pm

1 stop9h 18m

Saint Thomas Island Cyril E King

Sun 11/23

3:05 pm-12:45 am

1 stop10h 40m

$332

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 Caribbean Islands from

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

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 $223. The month of March is another great option to travel to Caribbean Islands, with average flight prices from New Hampshire averaging around $264.

What is the cheapest day to depart on your flight to Caribbean Islands?

The cheapest day to depart from New Hampshire to Caribbean Islands is on a Tuesday. Travelers who choose to depart for Caribbean Islands on a Tuesday will often find tickets for as low as $422. If your travel schedule is flexible, try to avoid departing on a Monday because tickets tend to average around $693. These prices are subject to change though, so be sure to set up a Price Alert for flights to Caribbean Islands.

What is the cheapest time of day to depart on your flight to Caribbean Islands?

According to our data, the cheapest time of day to fly to Caribbean Islands is at noon. momondo users have found flights departing from New Hampshire to Caribbean Islands at noon for as low as $500. 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 afternoon because they tend to be around $654. 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 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 $296 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 $249 on momondo.

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

No. A direct flight is the cheapest option for a flight between New Hampshire to Caribbean Islands.

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 30m

Direct flights

Every day

Airports in Caribbean Islands

3 airports
The fastest flight from New Hampshire to Caribbean Islands takes 3h 30m
Direct flights go from New Hampshire to Caribbean Islands every day.
There are 3 airports near Caribbean Islands: Nassau Intl (NAS), Providenciales (PLS), Santiago de los Caballeros (STI)
  • 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?

  • 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?

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
American AirlinesPriceFrom $290Free CancellationRating
7.2
11,042 reviews
Search American Airlines flights
SouthwestPriceFrom $313Free CancellationRating
8.0
4,240 reviews
Search Southwest flights
United AirlinesPriceFrom $325Free CancellationRating
7.4
9,004 reviews
Search United Airlines flights
JetBluePriceFrom $350Free CancellationRating
7.2
2,907 reviews
Search JetBlue 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.

An easier way to manage your Caribbean Islands trip

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1 adult
Fri 12/5
Fri 12/12

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Popular flights according to clicks in the last 7 days on momondo