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$74+ 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 4/14. Fares are subject to change and may not be available on all flights or dates of travel.
MHT — SJU
Apr 6 — Apr 131
Sun 4/6
Sun 4/13
1 adult, Economy
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Cheap 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 April 1, 2025.

Most accurate provider

Expedia
1 star

Most trusted provider

Expedia
3 stars

Round-trip from

$136
(Cheapflightsfares)

One-way from

$74
(Expedia)

Popular in

December

Cheapest in

September

Average price

$298
Provider with most accurate pricing for Boston Logan Intl-San Juan flight deals.
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Provider most trusted by Cheapflights users for Boston Logan Intl-San Juan flights.
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From New Hampshire to Caribbean
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One-way flight from New Hampshire to Caribbean
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Highest demand for flights based on searches. 12% potential increase in price ($36 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($12 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Find 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 April 1, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 3/31. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/267:52 pmBOS - SJU
Nonstop4h 00mSpirit Airlines
Wed 4/305:10 pmSJU - BOS
1 stop7h 35mSpirit Airlines
Deal found 3/31$136
This Kiwi.com deal was found by Cheapflights users on 3/31. 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.
Sat 4/267:52 pmBOS - SJU
Nonstop4h 00mMultiple Airlines
Thu 5/16:30 amSJU - BOS
Nonstop4h 13mMultiple Airlines
Deal found 3/31$160
This eDestinos deal was found by Cheapflights users on 3/31. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/911:16 amBOS - SJU
Nonstop3h 56mFrontier
Mon 4/146:00 amSJU - BOS
Nonstop4h 16mFrontier
Deal found 3/31$172
This Delta deal was found by Cheapflights users on 3/31. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/288:20 amBOS - SJU
Nonstop4h 01mDelta
Tue 6/31:39 pmSJU - BOS
Nonstop4h 18mDelta
Deal found 3/31$244
This American Airlines deal was found by Cheapflights users on 3/31. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/26:00 amBOS - SJU
1 stop14h 33mAmerican Airlines
Sat 6/76:05 amSJU - BOS
1 stop14h 53mAmerican Airlines
Deal found 3/31$263
This Cheapflightsfares deal was found by Cheapflights users on 3/31. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/165:45 amBOS - STT
1 stop6h 41mSpirit Airlines
Wed 5/212:41 pmSTT - BOS
1 stop7h 09mSpirit Airlines
Deal found 3/31$268
This United Airlines deal was found by Cheapflights users on 3/31. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/3012:45 pmBOS - SJU
2 stops11h 09mUnited Airlines
Tue 5/61:05 amSJU - BOS
1 stop7h 47mUnited Airlines
Deal found 3/31$272
This JetBlue deal was found by Cheapflights users on 3/31. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/3011:10 amBOS - SJU
Nonstop4h 00mJetBlue
Tue 6/33:33 amSJU - BOS
1 stop8h 09mJetBlue
Deal found 3/31$283
This Cheapflightsfares deal was found by Cheapflights users on 3/31. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/86:10 amBOS - AUA
1 stop8h 30mSpirit Airlines
Thu 5/153:45 pmAUA - BOS
1 stop7h 44mSpirit Airlines
Deal found 3/31$285
This Cheapflightsfares deal was found by Cheapflights users on 3/31. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/58:35 pmBOS - MBJ
1 stop15h 20mSpirit Airlines
Wed 5/1412:07 pmMBJ - BOS
1 stop10h 22mSpirit Airlines
Deal found 3/31$287
This American Airlines deal was found by Cheapflights users on 3/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/35:59 amBOS - STT
2 stops11h 00mAmerican Airlines
Thu 5/81:25 pmSTT - BOS
1 stop9h 24mAmerican Airlines
Deal found 3/30$289
This United Airlines deal was found by Cheapflights users on 3/31. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/15:30 amBOS - STT
2 stops10h 13mUnited Airlines
Tue 4/84:45 pmSTT - BOS
1 stop7h 14mUnited Airlines
Deal found 3/31$309

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 April 1, 2025.
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

Sat 4/26

7:52 pm-11:52 pm

Nonstop4h 00m

San Juan Luis Munoz Marin Intl

Wed 4/30

5:10 pm-12:45 am

1 stop7h 35m

$136

BostonSan Juan

BOS - SJU

BOSSJU

Boston Logan Intl

Sat 4/26

7:52 pm-11:52 pm

Nonstop4h 00m

San Juan Luis Munoz Marin Intl

Thu 5/1

6:30 am-10:43 am

Nonstop4h 13m

$160

BostonSan Juan

BOS - SJU

BOSSJU

Boston Logan Intl

Sat 4/12

11:16 am-3:12 pm

Nonstop3h 56m

San Juan Luis Munoz Marin Intl

Sat 4/19

6:00 am-10:16 am

Nonstop4h 16m

$180

BostonSan Juan

BOS - SJU

BOSSJU

Boston Logan Intl

Wed 5/28

8:20 am-12:21 pm

Nonstop4h 01m

San Juan Luis Munoz Marin Intl

Tue 6/3

1:39 pm-5:57 pm

Nonstop4h 18m

$244

BostonSan Juan

BOS - SJU

BOSSJU

Boston Logan Intl

Sat 5/3

12:15 pm-11:57 pm

2 stops11h 42m

San Juan Luis Munoz Marin Intl

Tue 5/6

1:05 am-12:48 pm

2 stops11h 43m

$253

BostonSan Juan

BOS - SJU

BOSSJU

Boston Logan Intl

Mon 6/2

6:00 am-8:33 pm

1 stop14h 33m

San Juan Luis Munoz Marin Intl

Sat 6/7

6:05 am-8:58 pm

1 stop14h 53m

$263

BostonSaint Thomas Island

BOS - STT

BOSSTT

Boston Logan Intl

Fri 5/16

5:45 am-12:26 pm

1 stop6h 41m

Saint Thomas Island Cyril E King

Wed 5/21

2:41 pm-9:50 pm

1 stop7h 09m

$268

BostonSan Juan

BOS - SJU

BOSSJU

Boston Logan Intl

Thu 5/8

8:55 pm-12:55 am

Nonstop4h 00m

San Juan Luis Munoz Marin Intl

Tue 5/13

6:00 am-10:08 am

Nonstop4h 08m

$271

BostonOranjestad

BOS - AUA

BOSAUA

Boston Logan Intl

Thu 5/8

6:10 am-2:40 pm

1 stop8h 30m

Oranjestad Reina Beatrix

Thu 5/15

3:45 pm-11:29 pm

1 stop7h 44m

$285

BostonMontego Bay

BOS - MBJ

BOSMBJ

Boston Logan Intl

Mon 5/5

8:35 pm-10:55 am

1 stop15h 20m

Montego Bay Sangster Intl

Wed 5/14

12:07 pm-11:29 pm

1 stop10h 22m

$287

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/31

Showing 1-10 of 60 results
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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 $254). Flying from New Hampshire to Caribbean in December is currently the most expensive (average of $336). 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 CB?

Find hourly flight availability from New Hampshire to Caribbean. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 1, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from New Hampshire to Caribbean as you normally would.

Rainfall in Caribbean by month

Plan your trip to Caribbean by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Caribbean ranges from 2.2 - 6.1 inches per month. November is typically the wettest month, when rainfall can reach 6.1 in. February is typically the driest time to visit Caribbean when rainfall is around 2.2 in.

Temperature in Caribbean by month

Plan your trip to Caribbean by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Caribbean, use this chart to help with planning. For those seeking warmer temperatures, June is the ideal time of year to visit, when temperatures reach an average of 82.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 77.0 F).

Reviews of airlines servicing Caribbean

Get insights into the airlines that provide service to Caribbean. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Caribbean. Reviews last updated April 1, 2025.
Delta
8.0
Very good
7,899 reviews

Crew

8.5

Food

7.3

Overall

8.0

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,899 reviews
Delta
8.0
Very good
7,899 reviews

Crew

8.5

Food

7.3

Overall

8.0

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Alaska Airlines
8.0
Very good
9,818 reviews
Delta
8.0
Very good
7,899 reviews

Crew

8.5

Food

7.3

Overall

8.0

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Southwest
8.0
Very good
4,276 reviews
Delta
8.0
Very good
7,899 reviews

Crew

8.5

Food

7.3

Overall

8.0

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Copa Airlines
7.6
Good
1,400 reviews
Delta
8.0
Very good
7,899 reviews

Crew

8.5

Food

7.3

Overall

8.0

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,615 reviews
Delta
8.0
Very good
7,899 reviews

Crew

8.5

Food

7.3

Overall

8.0

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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.

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

    The cheapest airline one-way is Spirit Airlines, with whom users have recently found tickets for as low as $74. However, be on the lookout for offers from Frontier and Delta, as they are both options that can get you from New Hampshire to Caribbean for a low price.

  • 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 $254). Flying from New Hampshire to Caribbean in December is currently the most expensive (average of $336). 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

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Alternative routes for New Hampshire to Caribbean

See prices for flight routes from nearby airports that may be better suited for you.
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Newark to Tampa flights
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Dallas/Fort Worth to Newark flights
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Top 3 airlines flying from New Hampshire to Caribbean

Discover the top 3 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 April 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$290Average$684FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$389Average$641FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$430Average$778FlexibilityNo cancel feeOn-time63%
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