HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Caribbean

$56+ Cheap flights from New Hampshire to Caribbean

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 2/21. Fares are subject to change and may not be available on all flights or dates of travel.
MHT — SJU
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from New Hampshire to Caribbean 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

Cheapest flights from New Hampshire to Caribbean
Explore the most affordable flight options available from New Hampshire to Caribbean. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 29, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/27. 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 2/23:18 pm
BOS
-
SJU
Nonstop4h 06m
Spirit Airlines
Wed 2/1110:52 am
SJU
-
BOS
Nonstop4h 20m
Spirit Airlines
Deal found 1/27$142
This Travelocity deal was found by Cheapflights users on 1/28. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/218:32 pm
BOS
-
SJU
1 stop17h 59m
Spirit Airlines
Thu 2/2611:52 am
SJU
-
BOS
1 stop13h 07m
Spirit Airlines
Deal found 1/28$143
This CheapOair deal was found by Cheapflights users on 1/27. 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.
Sat 2/73:43 pm
BOS
-
SJU
1 stop17h 04m
Spirit Airlines
Sat 2/1411:22 am
SJU
-
BOS
Nonstop4h 21m
Spirit Airlines
Deal found 1/27$144
This Cheapflightsfares deal was found by Cheapflights users on 1/28. 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.
Sun 2/13:43 pm
BOS
-
SJU
1 stop17h 04m
Spirit Airlines
Wed 2/410:52 am
SJU
-
BOS
Nonstop4h 20m
Spirit Airlines
Deal found 1/28$145
This Kiwi.com deal was found by Cheapflights users on 1/28. 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 2/23:18 pm
BOS
-
SJU
Nonstop4h 06m
Multiple Airlines
Sun 2/156:00 am
SJU
-
BOS
Nonstop4h 19m
Multiple Airlines
Deal found 1/28$146
This CheapOair deal was found by Cheapflights users on 1/28. 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.
Sun 2/13:18 pm
BOS
-
SJU
Nonstop4h 06m
Spirit Airlines
Fri 2/610:52 am
SJU
-
BOS
Nonstop4h 20m
Spirit Airlines
Deal found 1/28$147
This Kiwi.com deal was found by Cheapflights users on 1/26. 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.
Sat 3/78:01 pm
BOS
-
SJU
Nonstop4h 07m
Spirit Airlines
Tue 3/1710:00 am
SJU
-
BOS
Nonstop4h 18m
Spirit Airlines
Deal found 1/26$148
This Cheapflightsfares deal was found by Cheapflights users on 1/27. 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.
Tue 3/244:23 pm
BOS
-
SJU
1 stop16h 30m
Spirit Airlines
Wed 4/110:00 am
SJU
-
BOS
Nonstop4h 18m
Spirit Airlines
Deal found 1/27$149
This Spirit deal was found by Cheapflights users on 1/27. 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 Spirit is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/93:43 pm
BOS
-
SJU
1 stop17h 04m
Spirit Airlines
Sun 2/1511:22 am
SJU
-
BOS
Nonstop4h 21m
Spirit Airlines
Deal found 1/27$150
This Kiwi.com deal was found by Cheapflights users on 1/28. 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.
Sun 2/224:22 pm
BOS
-
SJU
1 stop16h 55m
Multiple Airlines
Fri 2/276:00 am
SJU
-
BOS
Nonstop4h 19m
Multiple Airlines
Deal found 1/28$151
This Kiwi.com deal was found by Cheapflights users on 1/27. 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 1/303:18 pm
BOS
-
SJU
Nonstop4h 06m
Multiple Airlines
Thu 2/126:00 am
SJU
-
BOS
Nonstop4h 19m
Multiple Airlines
Deal found 1/27$152
This Kiwi.com deal was found by Cheapflights users on 1/28. 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.
Thu 2/196:10 pm
BOS
-
STT
1 stop21h 24m
Spirit Airlines
Thu 2/265:40 pm
STT
-
BOS
1 stop7h 04m
Spirit Airlines
Deal found 1/28$219

Find flight deals from New Hampshire to Caribbean

Keep the following information in mind while searching for New Hampshire to Caribbean flight deals. Data was last updated January 29, 2026.

Round-trip from

$142
(Orbitz)

One-way from

$56
(FlightHub)

Popular in

December

Cheapest in

January

Average price

$254
From New Hampshire to Caribbean
Search Deals
One-way flight from New Hampshire to Caribbean
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($28 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 January 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from New Hampshire to Caribbean 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 January 29, 2026.
Use the filters below to find and compare flights from New Hampshire to Caribbean that are best for you.

Fly from

New Hampshire

Fly to

Caribbean

Route

Depart

Return

Price

BostonSan Juan

BOS - SJU

BOSSJU

Boston Logan Intl

Mon 2/9

3:18 pm-8:24 pm

Nonstop4h 06m

San Juan Luis Munoz Marin Intl

Sun 2/15

11:22 am-2:43 pm

Nonstop4h 21m

$160

BostonSan Juan

BOS - SJU

BOSSJU

Boston Logan Intl

Wed 2/25

11:15 am-11:58 pm

1 stop11h 43m

San Juan Luis Munoz Marin Intl

Thu 3/5

7:00 am-3:15 pm

1 stop9h 15m

$212

BostonSan Juan

BOS - SJU

BOSSJU

Boston Logan Intl

Tue 2/10

10:30 am-9:00 pm

1 stop9h 30m

San Juan Luis Munoz Marin Intl

Sat 2/14

8:30 am-7:08 pm

2 stops11h 38m

$212

BostonSan Juan

BOS - SJU

BOSSJU

Boston Logan Intl

Wed 4/29

4:00 pm-11:13 pm

1 stop7h 13m

San Juan Luis Munoz Marin Intl

Fri 5/15

1:30 pm-5:53 pm

Nonstop4h 23m

$238

BostonSaint Thomas Island

BOS - STT

BOSSTT

Boston Logan Intl

Sun 3/22

8:40 am-12:43 pm

Nonstop4h 03m

Saint Thomas Island Cyril E King

Thu 3/26

2:45 pm-7:04 pm

Nonstop4h 19m

$245

BostonSaint Thomas Island

BOS - STT

BOSSTT

Boston Logan Intl

Wed 4/8

8:40 am-12:43 pm

Nonstop4h 03m

Saint Thomas Island Cyril E King

Thu 4/16

2:35 pm-7:01 pm

Nonstop4h 26m

$245

BostonSaint Thomas Island

BOS - STT

BOSSTT

Boston Logan Intl

Sun 3/8

6:00 am-1:00 pm

1 stop7h 00m

Saint Thomas Island Cyril E King

Thu 3/12

2:45 pm-7:04 pm

Nonstop4h 19m

$250

BostonSaint Thomas Island

BOS - STT

BOSSTT

Boston Logan Intl

Tue 3/3

8:00 am-4:22 pm

1 stop7h 22m

Saint Thomas Island Cyril E King

Thu 3/12

2:45 pm-7:04 pm

Nonstop4h 19m

$250

BostonSaint Thomas Island

BOS - STT

BOSSTT

Boston Logan Intl

Thu 2/19

8:55 am-2:00 pm

Nonstop4h 05m

Saint Thomas Island Cyril E King

Tue 3/3

5:32 pm-10:48 pm

1 stop6h 16m

$250

BostonSaint Thomas Island

BOS - STT

BOSSTT

Boston Logan Intl

Thu 3/19

8:40 am-12:43 pm

Nonstop4h 03m

Saint Thomas Island Cyril E King

Thu 3/26

3:55 pm-10:54 pm

1 stop6h 59m

$250

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/28

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

Best time to book a flight from New Hampshire to Caribbean

Have a flexible travel schedule? Discover the best time to fly to Caribbean 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

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

Currently, September is the cheapest month in which you can book a flight from New Hampshire to Caribbean (average of $156). Flying from New Hampshire to Caribbean in July is currently the most expensive (average of $449). 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.

Related info for your journey

Find useful and relevant information for your journey from New Hampshire to Caribbean. 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?

    Airlines like Spirit Airlines, Delta, and United Airlines fly from New Hampshire to Caribbean in about 4h 06m. The time it takes to get you to your destination can typically vary by up to 7h 37m. There are 1678 mi between New Hampshire and Caribbean. Both multi-stop and nonstop flights can be found to your destination and back.

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

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

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

    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.

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

    Yes. Cheapflights offers flight deals from New Hampshire to Caribbean 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?

    Currently, September is the cheapest month in which you can book a flight from New Hampshire to Caribbean (average of $156). Flying from New Hampshire to Caribbean in July is currently the most expensive (average of $449). 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

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Fort Lauderdale flights
John F Kennedy Intl to Miami flights
San Francisco to John F Kennedy Intl flights
Newark to Fort Lauderdale flights
Newark to Miami flights
LaGuardia to Miami flights
San Francisco to Newark flights
John F Kennedy Intl to Cancún flights
LaGuardia to Fort Lauderdale flights
Newark to West Palm Beach flights
John F Kennedy Intl to West Palm Beach flights
John F Kennedy Intl to Los Angeles flights
San Francisco to LaGuardia flights
John F Kennedy Intl to Orlando flights
Newark to Cancún flights
John F Kennedy Intl to Las Vegas flights
O'Hare Intl to Sky Harbor Intl flights
Newark to Las Vegas flights
Los Angeles to John F Kennedy Intl flights
O'Hare Intl to Las Vegas flights
Newark to Orlando flights
Minneapolis to Sky Harbor Intl flights
Seattle to Los Angeles flights
Dallas/Fort Worth to John F Kennedy Intl flights
John F Kennedy Intl to Luis Munoz Marin Intl flights
John F Kennedy Intl to Tampa flights
Newark to Luis Munoz Marin Intl flights
O'Hare Intl to Cancún flights
O'Hare Intl to Dallas/Fort Worth flights
LaGuardia to Orlando flights
John F Kennedy Intl to Mexico City flights
Los Angeles to Seattle flights
Newark to Tampa flights
John F Kennedy Intl to Dallas/Fort Worth flights
Boston to Fort Lauderdale flights
Seattle to Las Vegas flights
John F Kennedy Intl to San Francisco flights
LaGuardia to Tampa flights
John F Kennedy Intl to Heathrow flights
Seattle to Sky Harbor Intl flights
John F Kennedy Intl to Sky Harbor Intl flights
Newark to Los Angeles flights
Newark to Mexico City flights
San Francisco to Las Vegas flights
Dulles Intl to Miami flights
Newark to Sky Harbor Intl flights
Los Angeles to Haneda flights
John F Kennedy Intl to New Orleans flights
Boston to Tampa flights
Boston to Miami flights

Top 4 airlines flying from New Hampshire to Caribbean

Discover the top 4 airlines that operate flights from New Hampshire to Caribbean. 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 January 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$124Average$509FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$231Average$628FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$308Average$710FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$325Average$625FlexibilityNo cancel feeOn-time69%

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.