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Caribbean Islands

$94+ 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 5/2. Fares are subject to change and may not be available on all flights or dates of travel.
MHT — SJU
Dec 3 — Dec 101
Wed 12/3
Wed 12/10
1 adult, Economy
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Find 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 November 3, 2025.

This Kiwi.com deal was found by Cheapflights users on 11/1. 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 11/166:16 amBOS - SJU
1 stop10h 03mMultiple Airlines
Thu 11/2011:55 amSJU - BOS
2 stops13h 49mMultiple Airlines
Deal found 11/1$214
This Cheapflightsfares deal was found by Cheapflights users on 11/1. 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 12/78:11 pmBOS - SJU
1 stop13h 22mSpirit Airlines
Mon 12/156:14 pmSJU - BOS
1 stop6h 42mSpirit Airlines
Deal found 11/1$216
This CheapOair deal was found by Cheapflights users on 11/2. 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.
Thu 12/118:11 pmBOS - SJU
1 stop13h 22mSpirit Airlines
Mon 12/156:14 pmSJU - BOS
1 stop6h 42mSpirit Airlines
Deal found 11/2$217
This Kiwi.com deal was found by Cheapflights users on 11/2. 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
Fri 1/95:27 pmSJU - BOS
Nonstop4h 07mSpirit Airlines
Deal found 11/2$221
This Trip.com deal was found by Cheapflights users on 11/1. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/187:40 amBOS - SJU
Nonstop4h 04mJetBlue
Mon 11/249:25 pmSJU - BOS
Nonstop4h 05mJetBlue
Deal found 11/1$223
This Kiwi.com deal was found by Cheapflights users on 11/1. 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 11/235:45 amBOS - SJU
1 stop13h 42mSpirit Airlines
Fri 12/54:10 amSJU - BOS
1 stop20h 46mSpirit Airlines
Deal found 11/1$224
This Trip.com deal was found by Cheapflights users on 11/1. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/161:55 pmBOS - SJU
Nonstop4h 02mJetBlue
Thu 11/206:05 amSJU - BOS
Nonstop4h 09mJetBlue
Deal found 11/1$226
This Trip.com deal was found by Cheapflights users on 11/3. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/107:00 pmBOS - SJU
Nonstop3h 59mJetBlue
Fri 11/148:10 amSJU - BOS
Nonstop4h 13mJetBlue
Deal found 11/3$228
This Kiwi.com deal was found by Cheapflights users on 11/1. 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 11/205:45 amBOS - SJU
1 stop13h 42mMultiple Airlines
Mon 11/247:10 amSJU - BOS
2 stops15h 49mMultiple Airlines
Deal found 11/1$230
This Kiwi.com deal was found by Cheapflights users on 10/31. 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 12/811:23 amBOS - SJU
2 stops35h 02mMultiple Airlines
Fri 12/126:14 pmSJU - BOS
1 stop6h 42mMultiple Airlines
Deal found 10/31$231
This Mytrip deal was found by Cheapflights users on 11/2. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/196:26 pmBOS - SJU
2 stops21h 55mSpirit Airlines
Sat 11/2211:55 amSJU - BOS
1 stop12h 58mSpirit Airlines
Deal found 11/2$233
This Kiwi.com deal was found by Cheapflights users on 11/1. 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 11/166:16 amBOS - SJU
1 stop10h 03mMultiple Airlines
Fri 11/215:19 pmSJU - BOS
2 stops15h 10mMultiple Airlines
Deal found 11/1$234

Cheap 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 November 3, 2025.

Most accurate provider

Expedia
2 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$212
(Priceline)

One-way from

$94
(Delta)

Popular in

December

Cheapest in

January

Average price

$285
Provider with most accurate pricing for Boston Logan Intl-San Juan flight deals.
Search Deals
Provider most trusted by Cheapflights users for Boston Logan Intl-San Juan flights.
Search Deals
From New Hampshire to Caribbean Islands
Search Deals
One-way flight from New Hampshire to Caribbean Islands
Search Deals
High demand for flights, 0% potential price rise
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 November 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 November 3, 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

Mon 12/8

8:10 am-1:10 pm

Nonstop4h 00m

San Juan Luis Munoz Marin Intl

Thu 12/11

2:20 pm-5:45 pm

Nonstop4h 25m

$262

BostonSan Juan

BOS - SJU

BOSSJU

Boston Logan Intl

Mon 4/13

8:15 pm-12:15 am

Nonstop4h 00m

San Juan Luis Munoz Marin Intl

Mon 4/20

5:15 am-9:23 am

Nonstop4h 08m

$262

BostonSan Juan

BOS - SJU

BOSSJU

Boston Logan Intl

Fri 3/27

6:00 am-10:00 am

Nonstop4h 00m

San Juan Luis Munoz Marin Intl

Sun 4/5

5:15 am-9:23 am

Nonstop4h 08m

$262

BostonSan Juan

BOS - SJU

BOSSJU

Boston Logan Intl

Fri 3/27

6:00 am-10:00 am

Nonstop4h 00m

San Juan Luis Munoz Marin Intl

Mon 4/6

5:15 am-9:23 am

Nonstop4h 08m

$262

BostonSan Juan

BOS - SJU

BOSSJU

Boston Logan Intl

Tue 4/21

8:20 am-12:28 pm

Nonstop4h 08m

San Juan Luis Munoz Marin Intl

Tue 4/28

6:15 am-5:55 pm

1 stop11h 40m

$267

BostonSan Juan

BOS - SJU

BOSSJU

Boston Logan Intl

Sat 1/24

4:05 pm-6:11 am

2 stops13h 06m

San Juan Luis Munoz Marin Intl

Mon 2/2

2:05 am-9:14 am

1 stop8h 09m

$271

BostonSan Juan

BOS - SJU

BOSSJU

Boston Logan Intl

Wed 2/4

12:08 pm-10:22 pm

2 stops9h 14m

San Juan Luis Munoz Marin Intl

Tue 2/10

7:45 am-6:57 pm

2 stops12h 12m

$271

BostonSan Juan

BOS - SJU

BOSSJU

Boston Logan Intl

Sun 3/15

2:30 pm-10:47 pm

1 stop8h 17m

San Juan Luis Munoz Marin Intl

Mon 3/23

8:10 pm-12:21 am

Nonstop4h 11m

$281

BostonSan Juan

BOS - SJU

BOSSJU

Boston Logan Intl

Wed 4/1

8:15 pm-12:15 am

Nonstop4h 00m

San Juan Luis Munoz Marin Intl

Wed 4/29

3:30 am-10:20 am

1 stop6h 50m

$281

BostonSan Juan

BOS - SJU

BOSSJU

Boston Logan Intl

Sun 3/15

6:00 pm-10:00 pm

Nonstop4h 00m

San Juan Luis Munoz Marin Intl

Tue 3/17

12:59 am-9:55 am

1 stop8h 56m

$281

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/2

Showing 1-10 of 60 results
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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 $151). Flying from New Hampshire to Caribbean Islands in July is currently the most expensive (average of $438). 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 November 3, 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. Delta provides one of the quickest options available for as low as $262. The distance between New Hampshire and Caribbean Islands is about 1678 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from New Hampshire to Caribbean Islands one-way?

    For one-way options, check prices for Delta. According to our data, you can fly for as low as $94. Users have also found prices from $99 and $115 on JetBlue and United Airlines, respectively.

  • 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 $151). Flying from New Hampshire to Caribbean Islands in July is currently the most expensive (average of $438). 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

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Alternative routes for New Hampshire to Caribbean Islands

See prices for flight routes from nearby airports that may be better suited for you.
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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 November 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$290Average$593FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$313Average$726FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$325Average$613FlexibilityNo cancel feeOn-time69%
JetBlueCheapest$350Average$561FlexibilityNo cancel feeOn-time62%

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