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$94+ 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 5/11. Fares are subject to change and may not be available on all flights or dates of travel.
MHT — SJU
May 4 — May 111
Sun 5/4
Sun 5/11
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 29, 2025.

Most accurate provider

Expedia
1 star

Most trusted provider

Expedia
3 stars

Round-trip from

$139
(Cheapflightsfares)

One-way from

$94
(CheapOair)

Popular in

December

Cheapest in

September

Average price

$300
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. 11% potential increase in price ($35 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 29, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 4/28. 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.
Thu 5/296:10 amBOS - SJU
1 stop12h 57mSpirit Airlines
Tue 6/31:59 amSJU - BOS
1 stop7h 10mSpirit Airlines
Deal found 4/28$139
This Kiwi.com deal was found by Cheapflights users on 4/28. 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 5/1511:43 amBOS - SJU
Nonstop4h 01mFrontier
Sun 5/186:30 amSJU - BOS
Nonstop4h 13mFrontier
Deal found 4/28$200
This JetBlue deal was found by Cheapflights users on 4/27. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/178:00 amBOS - SJU
Nonstop4h 04mJetBlue
Tue 10/217:00 pmSJU - BOS
Nonstop4h 04mJetBlue
Deal found 4/27$214
This American Airlines deal was found by Cheapflights users on 4/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/256:02 amBOS - SJU
2 stops8h 43mAmerican Airlines
Tue 9/308:30 amSJU - BOS
1 stop6h 49mAmerican Airlines
Deal found 4/28$223
This FlightHub deal was found by Cheapflights users on 4/28. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/39:05 pmBOS - SJU
1 stop12h 27mMultiple Airlines
Thu 5/86:30 amSJU - BOS
Nonstop4h 13mMultiple Airlines
Deal found 4/28$235
This Delta deal was found by Cheapflights users on 4/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/168:10 amBOS - SJU
Nonstop4h 12mDelta
Tue 10/215:30 pmSJU - BOS
1 stop7h 30mDelta
Deal found 4/27$264
This Cheapflightsfares deal was found by Cheapflights users on 4/27. 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 5/275:45 amBOS - STT
1 stop7h 51mSpirit Airlines
Tue 6/310:52 amSTT - BOS
1 stop12h 37mSpirit Airlines
Deal found 4/27$273
This United Airlines deal was found by Cheapflights users on 4/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/236:00 amBOS - SJU
1 stop7h 45mUnited Airlines
Tue 10/281:10 pmSJU - BOS
2 stops10h 44mUnited Airlines
Deal found 4/28$302
This JetBlue deal was found by Cheapflights users on 4/27. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/278:35 amBOS - STT
Nonstop4h 04mJetBlue
Sat 10/41:45 pmSTT - BOS
1 stop6h 05mJetBlue
Deal found 4/27$310
This Cheapflightsfares deal was found by Cheapflights users on 4/28. 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 6/16:10 amBOS - MBJ
1 stop5h 52mSpirit Airlines
Sat 6/712:07 pmMBJ - BOS
1 stop10h 22mSpirit Airlines
Deal found 4/28$312
This Delta deal was found by Cheapflights users on 4/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/66:00 amBOS - STT
1 stop8h 55mDelta
Wed 9/102:49 pmSTT - BOS
1 stop7h 52mDelta
Deal found 4/27$319
This Frontier deal was found by Cheapflights users on 4/28. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/146:00 amBOS - PUJ
1 stop7h 55mFrontier
Sat 6/213:00 pmPUJ - BOS
1 stop9h 44mFrontier
Deal found 4/28$339

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 29, 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

Thu 5/29

6:10 am-7:07 pm

1 stop12h 57m

San Juan Luis Munoz Marin Intl

Tue 6/3

1:59 am-9:09 am

1 stop7h 10m

$139

BostonSan Juan

BOS - SJU

BOSSJU

Boston Logan Intl

Thu 5/15

11:43 am-3:44 pm

Nonstop4h 01m

San Juan Luis Munoz Marin Intl

Sun 5/18

6:30 am-10:43 am

Nonstop4h 13m

$200

BostonSan Juan

BOS - SJU

BOSSJU

Boston Logan Intl

Sat 5/3

9:05 pm-9:32 am

1 stop12h 27m

San Juan Luis Munoz Marin Intl

Thu 5/8

6:30 am-10:43 am

Nonstop4h 13m

$235

BostonSaint Thomas Island

BOS - STT

BOSSTT

Boston Logan Intl

Tue 5/27

5:45 am-1:36 pm

1 stop7h 51m

Saint Thomas Island Cyril E King

Tue 6/3

10:52 am-11:29 pm

1 stop12h 37m

$273

BostonSan Juan

BOS - SJU

BOSSJU

Boston Logan Intl

Wed 5/28

1:30 pm-5:30 pm

Nonstop4h 00m

San Juan Luis Munoz Marin Intl

Sun 6/8

6:00 am-10:08 am

Nonstop4h 08m

$304

BostonSan Juan

BOS - SJU

BOSSJU

Boston Logan Intl

Fri 5/30

6:05 am-4:44 pm

1 stop10h 39m

San Juan Luis Munoz Marin Intl

Sat 6/7

1:39 pm-5:57 pm

Nonstop4h 18m

$309

BostonSaint Thomas Island

BOS - STT

BOSSTT

Boston Logan Intl

Sat 9/27

8:35 am-12:39 pm

Nonstop4h 04m

Saint Thomas Island Cyril E King

Sat 10/4

1:45 pm-7:50 pm

1 stop6h 05m

$310

BostonMontego Bay

BOS - MBJ

BOSMBJ

Boston Logan Intl

Sun 6/1

6:10 am-11:02 am

1 stop5h 52m

Montego Bay Sangster Intl

Sat 6/7

12:07 pm-11:29 pm

1 stop10h 22m

$312

BostonSaint Thomas Island

BOS - STT

BOSSTT

Boston Logan Intl

Sat 9/6

6:00 am-1:55 pm

1 stop7h 55m

Saint Thomas Island Cyril E King

Wed 9/10

2:49 pm-1:00 am

1 stop10h 11m

$319

BostonSan Juan

BOS - SJU

BOSSJU

Boston Logan Intl

Mon 5/19

7:00 am-1:45 pm

1 stop6h 45m

San Juan Luis Munoz Marin Intl

Fri 5/23

1:05 am-8:58 am

1 stop7h 53m

$336

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/28

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 29, 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 29, 2025.
Delta
8.0
Very good
7,929 reviews

Crew

8.5

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Food

7.3

Overall

8.0

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
7,929 reviews
Delta
8.0
Very good
7,929 reviews

Crew

8.5

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Food

7.3

Overall

8.0

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
9,961 reviews
Delta
8.0
Very good
7,929 reviews

Crew

8.5

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Food

7.3

Overall

8.0

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
4,292 reviews
Delta
8.0
Very good
7,929 reviews

Crew

8.5

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Food

7.3

Overall

8.0

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
7.5
Good
1,410 reviews
Delta
8.0
Very good
7,929 reviews

Crew

8.5

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Food

7.3

Overall

8.0

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
8,696 reviews
Delta
8.0
Very good
7,929 reviews

Crew

8.5

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Food

7.3

Overall

8.0

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 Frontier, with whom users have recently found tickets for as low as $94. However, be on the lookout for offers from Spirit Airlines 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

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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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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 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$290Average$643FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$408Average$615FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$430Average$780FlexibilityNo cancel feeOn-time63%

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