HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Caribbean Islands

$71+ Cheap flights from New Hampshire to Caribbean Islands

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/28. Fares are subject to change and may not be available on all flights or dates of travel.
MHT — SJU
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from New Hampshire to Caribbean Islands with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from New Hampshire to Caribbean Islands

Cheapest flights from New Hampshire to Caribbean Islands
Explore the most affordable flight options available from New Hampshire to Caribbean Islands. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/317:34 pmBOS - SJU
Nonstop4h 07mSpirit Airlines
Wed 1/146:00 amSJU - BOS
1 stop9h 38mSpirit Airlines
Deal found 12/16$156
This CheapOair deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/317:34 pmBOS - SJU
Nonstop4h 07mSpirit Airlines
Sat 1/176:00 amSJU - BOS
1 stop9h 38mSpirit Airlines
Deal found 12/16$158
This Kiwi.com deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/297:34 pmBOS - SJU
Nonstop4h 07mMultiple Airlines
Sat 1/109:23 pmSJU - BOS
1 stop13h 48mMultiple Airlines
Deal found 12/16$160
This Kiwi.com deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/317:34 pmBOS - SJU
Nonstop4h 07mSpirit Airlines
Mon 2/211:52 amSJU - BOS
1 stop29h 27mSpirit Airlines
Deal found 12/17$163
This Kiwi.com deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/197:34 pmBOS - SJU
Nonstop4h 07mMultiple Airlines
Tue 12/238:00 amSJU - BOS
Nonstop4h 23mMultiple Airlines
Deal found 12/16$169
This Priceline deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/246:50 pmBOS - SJU
Nonstop4h 06mMultiple Airlines
Wed 12/242:59 amSJU - BOS
1 stop9h 35mMultiple Airlines
Deal found 12/16$171
This Kiwi.com deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/298:08 amBOS - SJU
1 stop16h 16mFrontier
Tue 12/308:00 amSJU - BOS
Nonstop4h 23mFrontier
Deal found 12/17$172
This JetBlue deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/306:50 pmBOS - SJU
Nonstop4h 06mJetBlue
Sun 1/46:01 amSJU - BOS
Nonstop4h 12mJetBlue
Deal found 12/16$186
This Super.com deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/3012:18 pmBOS - SJU
Nonstop4h 04mFrontier
Wed 1/77:18 pmSJU - BOS
1 stop15h 53mFrontier
Deal found 12/16$188
This JetBlue deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/246:50 pmBOS - SJU
Nonstop4h 06mJetBlue
Tue 1/67:15 pmSJU - BOS
Nonstop4h 13mJetBlue
Deal found 12/16$194
This Kiwi.com deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/297:34 pmBOS - SJU
Nonstop4h 07mMultiple Airlines
Fri 1/910:47 pmSJU - BOS
1 stop18h 32mMultiple Airlines
Deal found 12/16$195
This CheapOair deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/306:50 pmBOS - STT
1 stop18h 10mJetBlue
Thu 1/82:00 pmSTT - BOS
1 stop5h 49mJetBlue
Deal found 12/16$282

Find flight deals from New Hampshire to Caribbean Islands

Keep the following information in mind while searching for New Hampshire to Caribbean Islands flight deals. Data was last updated December 18, 2025.

Round-trip from

$149
(CheapOair)

One-way from

$71
(Cheapflightsfares)

Popular in

December

Cheapest in

January

Average price

$386
From New Hampshire to Caribbean Islands
Search Deals
One-way flight from New Hampshire to Caribbean Islands
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($24 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated December 18, 2025.
Use the filters below to find and compare flights from New Hampshire to Caribbean Islands that are best for you.

Fly from

New Hampshire

Fly to

Caribbean Islands

Route

Depart

Return

Price

BostonSan Juan

BOS - SJU

BOSSJU

Boston Logan Intl

Sun 1/11

8:20 pm-1:22 am

Nonstop4h 02m

San Juan Luis Munoz Marin Intl

Wed 1/14

7:15 pm-10:28 pm

Nonstop4h 13m

$186

BostonSan Juan

BOS - SJU

BOSSJU

Boston Logan Intl

Sat 1/24

8:05 am-1:11 pm

Nonstop4h 06m

San Juan Luis Munoz Marin Intl

Thu 1/29

2:25 pm-5:45 pm

Nonstop4h 20m

$186

BostonSan Juan

BOS - SJU

BOSSJU

Boston Logan Intl

Sat 1/17

4:05 pm-6:11 am

2 stops13h 06m

San Juan Luis Munoz Marin Intl

Fri 1/30

2:05 am-9:14 am

1 stop8h 09m

$195

BostonSan Juan

BOS - SJU

BOSSJU

Boston Logan Intl

Tue 2/3

6:00 am-1:05 pm

1 stop6h 05m

San Juan Luis Munoz Marin Intl

Tue 2/10

6:27 pm-1:04 am

1 stop7h 37m

$195

BostonSan Juan

BOS - SJU

BOSSJU

Boston Logan Intl

Sun 1/18

12:08 pm-10:22 pm

2 stops9h 14m

San Juan Luis Munoz Marin Intl

Sat 1/24

7:45 am-6:57 pm

2 stops12h 12m

$195

BostonSan Juan

BOS - SJU

BOSSJU

Boston Logan Intl

Sun 2/22

8:50 pm-1:50 am

Nonstop4h 00m

San Juan Luis Munoz Marin Intl

Sat 2/28

6:10 am-9:20 am

Nonstop4h 10m

$202

BostonSan Juan

BOS - SJU

BOSSJU

Boston Logan Intl

Tue 2/10

5:35 am-2:31 pm

1 stop7h 56m

San Juan Luis Munoz Marin Intl

Sat 2/14

7:00 am-3:15 pm

1 stop9h 15m

$203

BostonSaint Thomas Island

BOS - STT

BOSSTT

Boston Logan Intl

Sun 2/1

8:00 am-1:05 pm

Nonstop4h 05m

Saint Thomas Island Cyril E King

Sat 2/7

5:55 pm-10:53 pm

1 stop5h 58m

$224

BostonSaint Thomas Island

BOS - STT

BOSSTT

Boston Logan Intl

Sun 2/1

8:55 am-2:00 pm

Nonstop4h 05m

Saint Thomas Island Cyril E King

Sat 2/7

2:32 pm-5:53 pm

Nonstop4h 21m

$224

BostonSaint Thomas Island

BOS - STT

BOSSTT

Boston Logan Intl

Sun 2/8

8:00 am-1:05 pm

Nonstop4h 05m

Saint Thomas Island Cyril E King

Wed 2/11

2:00 pm-6:59 pm

1 stop5h 59m

$224

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

Showing 1-10 of 60 results
1
2
3
...
6

Best time to book a flight from New Hampshire to Caribbean Islands

Have a flexible travel schedule? Discover the best time to fly to Caribbean Islands from New Hampshire with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from New Hampshire to Caribbean Islands

What is the cheapest month to book a flight from New Hampshire to Caribbean Islands?

Currently, September is the cheapest month in which you can book a flight from New Hampshire to Caribbean Islands (average of $156). Flying from New Hampshire to Caribbean Islands in July is currently the most expensive (average of $451). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from NH to EPX?

Find hourly flight availability from New Hampshire to Caribbean Islands. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 18, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 24% on flights from New Hampshire to Caribbean Islands by exploring options for tickets at noon.

Related info for your journey

Find useful and relevant information for your journey from New Hampshire to Caribbean Islands. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from New Hampshire to Caribbean Islands?

    A quick flight from New Hampshire to Caribbean Islands can take about 4h 02m. JetBlue provides one of the quickest options available for as low as $186. The distance between New Hampshire and Caribbean Islands is about 1678 mi. This flight may include one or multiple stops.

  • Can I find deals for flights from New Hampshire to Caribbean Islands that include hotel bookings?

    Yes. In addition to deals on New Hampshire to Caribbean Islands flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from New Hampshire to Caribbean Islands?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from New Hampshire to Caribbean Islands.

  • Can I find deals for business class flights from New Hampshire to Caribbean Islands?

    Yes. Cheapflights offers flight deals from New Hampshire to Caribbean Islands by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from New Hampshire to Caribbean Islands?

    Currently, September is the cheapest month in which you can book a flight from New Hampshire to Caribbean Islands (average of $156). Flying from New Hampshire to Caribbean Islands in July is currently the most expensive (average of $451). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for New Hampshire to Caribbean Islands

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Miami flights
Newark to Fort Lauderdale flights
John F Kennedy Intl to Cancún flights
Newark to Miami flights
LaGuardia to Fort Lauderdale flights
LaGuardia to Miami flights
John F Kennedy Intl to Fort Lauderdale flights
Newark to Cancún flights
Los Angeles to John F Kennedy Intl flights
John F Kennedy Intl to Los Angeles flights
John F Kennedy Intl to Las Vegas flights
John F Kennedy Intl to Orlando flights
Dallas/Fort Worth to John F Kennedy Intl flights
Newark to West Palm Beach flights
Los Angeles to Newark flights
Dallas/Fort Worth to LaGuardia flights
John F Kennedy Intl to Dallas/Fort Worth flights
LaGuardia to Orlando flights
O'Hare Intl to Cancún flights
Newark to Orlando flights
Newark to Las Vegas flights
Newark to Los Angeles flights
Dallas/Fort Worth to Cancún flights
John F Kennedy Intl to West Palm Beach flights
Dallas/Fort Worth to Newark flights
Dallas/Fort Worth to Las Vegas flights
O'Hare Intl to Dallas/Fort Worth flights
John F Kennedy Intl to Mexico City flights
LaGuardia to Dallas/Fort Worth flights
O'Hare Intl to Las Vegas flights
Newark to Dallas/Fort Worth flights
Seattle to Dallas/Fort Worth flights
O'Hare Intl to John F Kennedy Intl flights
Dulles Intl to Cancún flights
Newark to Mexico City flights
Seattle to Los Angeles flights
San Francisco to Las Vegas flights
John F Kennedy Intl to Tampa flights
Reagan-National to Miami flights
LaGuardia to Cancún flights
Minneapolis to Sky Harbor Intl flights
San Francisco to John F Kennedy Intl flights
O'Hare Intl to Fort Lauderdale flights
Baltimore to Fort Lauderdale flights
Seattle to Las Vegas flights
Los Angeles to Seattle flights
Dallas/Fort Worth to O'Hare Intl flights
Fort Lauderdale to Newark flights
Dallas/Fort Worth to Denver flights
Los Angeles to Honolulu flights

Top 4 airlines flying from New Hampshire to Caribbean Islands

Discover the top 4 airlines that operate flights from New Hampshire to Caribbean Islands. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$231Average$610FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$310Average$702FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$325Average$613FlexibilityNo cancel feeOn-time69%
JetBlueCheapest$350Average$565FlexibilityNo cancel feeOn-time62%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.