Caribbean

$92+ Cheap flights from Boston (BOS) 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 9/12. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — SJU
jun 17 — jun 241
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Cheap flight deals from Boston to Caribbean

Keep the following information in mind while searching for Boston to Caribbean flight deals. Data was last updated junho 12, 2025.

Round-trip from

$164
(Kiwi.com)

One-way from

$92
(FlightHub)

Popular in

December

Cheapest in

September

Average price

$303

Good round-trip deal

$252 or less

Good one-way deal

$122 or less
From Boston Logan Intl to Caribbean
One-way flight from Boston Logan Intl to Caribbean
Highest demand for flights based on searches. 10% potential increase in price ($29 potential increase over avg. RT price).
Cheapest flight prices on average. 4% potential price decrease ($12 potential savings vs. average RT price).
Average for round-trip flights in June 2025
Price to beat on a round-trip flight from Boston Logan Intl to Caribbean.
Price to beat on a one-way flight from Boston Logan Intl to Caribbean.

Find flight deals from Boston to Caribbean

Cheapest flights from Boston to Caribbean
Explore the most affordable flight options available from Boston to Caribbean. Find the lowest fares from popular airlines and budget airlines, with prices last updated on junho 12, 2025.

This Kiwi.com deal was found by Cheapflights users on 6/12. 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.
dom 7/62:42 pmBOS - SJU
Nonstop3h 54mSpirit Airlines
qua 7/91:07 pmSJU - BOS
1 stop9h 56mSpirit Airlines
Deal found 6/12$164
This Priceline deal was found by Cheapflights users on 6/11. 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.
sáb 8/3012:53 pmBOS - SJU
1 stop20h 06mFrontier
sáb 9/61:01 pmSJU - BOS
1 stop19h 43mFrontier
Deal found 6/11$167
This FlightHub deal was found by Cheapflights users on 6/11. 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.
ter 9/304:40 pmBOS - SJU
1 stop17h 16mMultiple Airlines
sáb 10/44:42 pmSJU - BOS
1 stop15h 51mMultiple Airlines
Deal found 6/11$182
This JetBlue deal was found by Cheapflights users on 6/9. 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.
sáb 7/128:45 pmBOS - SJU
Nonstop4h 04mJetBlue
sáb 7/268:25 amSJU - BOS
Nonstop4h 10mJetBlue
Deal found 6/9$218
This Delta deal was found by Cheapflights users on 6/11. 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.
sex 10/108:10 amBOS - SJU
Nonstop4h 12mDelta
ter 10/141:32 pmSJU - BOS
Nonstop4h 17mDelta
Deal found 6/11$263
This Cheapflightsfares deal was found by Cheapflights users on 6/11. 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.
ter 7/85:45 amBOS - STT
1 stop8h 13mSpirit Airlines
ter 7/221:25 pmSTT - BOS
1 stop9h 38mSpirit Airlines
Deal found 6/11$275
This American Airlines deal was found by Cheapflights users on 6/12. 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.
ter 10/71:14 pmBOS - SJU
1 stop6h 56mAmerican Airlines
ter 10/146:30 amSJU - BOS
1 stop17h 49mAmerican Airlines
Deal found 6/12$278
This United Airlines deal was found by Cheapflights users on 6/10. 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.
sáb 9/275:30 amBOS - STT
1 stop7h 31mUnited Airlines
sáb 10/42:10 pmSTT - BOS
2 stops9h 49mUnited Airlines
Deal found 6/10$311
This American Airlines deal was found by Cheapflights users on 6/11. 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.
seg 9/85:47 amBOS - STT
1 stop10h 13mAmerican Airlines
sex 9/125:10 pmSTT - BOS
1 stop7h 34mAmerican Airlines
Deal found 6/11$321
This United Airlines deal was found by Cheapflights users on 6/11. 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.
sáb 8/95:30 amBOS - SXM
1 stop6h 59mUnited Airlines
qua 8/133:55 pmSXM - BOS
1 stop8h 04mUnited Airlines
Deal found 6/11$322
This JetBlue deal was found by Cheapflights users on 6/10. 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.
sáb 10/188:35 amBOS - STT
Nonstop4h 10mJetBlue
sáb 10/251:45 pmSTT - BOS
1 stop5h 40mJetBlue
Deal found 6/10$331
This Delta deal was found by Cheapflights users on 6/10. 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.
sáb 8/165:35 amBOS - SXM
1 stop8h 21mDelta
sáb 8/233:21 pmSXM - BOS
1 stop9h 59mDelta
Deal found 6/10$335

Cheapflights Fare Finder

Customize your flight search to find flights from Boston 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 junho 12, 2025.
Use the filters below to find and compare flights from Boston to Caribbean that are best for you.

Fly from

Boston

Fly to

Caribbean

Route

Depart

Return

Price

BostonSan Juan

BOS - SJU

BOSSJU

Boston Logan Intl

dom 7/6

2:42 pm-6:36 pm

Nonstop3h 54m

San Juan Luis Munoz Marin Intl

qua 7/9

1:07 pm-11:03 pm

1 stop9h 56m

$164

BostonSan Juan

BOS - SJU

BOSSJU

Boston Logan Intl

sáb 8/30

12:53 pm-8:59 am

1 stop20h 06m

San Juan Luis Munoz Marin Intl

sáb 9/6

1:01 pm-8:44 am

1 stop19h 43m

$167

BostonSan Juan

BOS - SJU

BOSSJU

Boston Logan Intl

ter 9/30

4:40 pm-9:56 am

1 stop17h 16m

San Juan Luis Munoz Marin Intl

sáb 10/4

4:42 pm-8:33 am

1 stop15h 51m

$182

BostonSan Juan

BOS - SJU

BOSSJU

Boston Logan Intl

sáb 7/12

8:45 pm-12:49 am

Nonstop4h 04m

San Juan Luis Munoz Marin Intl

sáb 7/26

8:25 am-12:35 pm

Nonstop4h 10m

$218

BostonSan Juan

BOS - SJU

BOSSJU

Boston Logan Intl

sex 10/10

8:10 am-12:22 pm

Nonstop4h 12m

San Juan Luis Munoz Marin Intl

ter 10/14

1:32 pm-5:49 pm

Nonstop4h 17m

$263

BostonSaint Thomas Island

BOS - STT

BOSSTT

Boston Logan Intl

ter 7/8

5:45 am-1:58 pm

1 stop8h 13m

Saint Thomas Island Cyril E King

ter 7/22

1:25 pm-11:03 pm

1 stop9h 38m

$275

BostonSan Juan

BOS - SJU

BOSSJU

Boston Logan Intl

ter 10/7

1:14 pm-8:10 pm

1 stop6h 56m

San Juan Luis Munoz Marin Intl

ter 10/14

6:30 am-12:19 am

1 stop17h 49m

$278

BostonSaint Thomas Island

BOS - STT

BOSSTT

Boston Logan Intl

seg 9/8

6:00 am-4:00 pm

2 stops10h 00m

Saint Thomas Island Cyril E King

qui 9/11

5:10 pm-12:44 am

1 stop7h 34m

$311

BostonSan Juan

BOS - SJU

BOSSJU

Boston Logan Intl

qua 10/8

5:30 am-12:34 pm

1 stop7h 04m

San Juan Luis Munoz Marin Intl

ter 10/14

4:55 pm-11:59 pm

1 stop7h 04m

$317

BostonSimpson Bay

BOS - SXM

BOSSXM

Boston Logan Intl

sáb 8/9

5:30 am-12:29 pm

1 stop6h 59m

Simpson Bay Princess Juliana

qua 8/13

3:55 pm-11:59 pm

1 stop8h 04m

$322

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 60 results
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Best time to book a flight from Boston to Caribbean

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

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

Currently, September is the cheapest month in which you can book a flight from Boston to Caribbean (average of $254). Flying from Boston to Caribbean in June is currently the most expensive (average of $339). 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 BOS to CB?

Find hourly flight availability from Boston 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 junho 12, 2025.

When flying from Boston to Caribbean, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from Boston to Caribbean

Explore weekly flight availability from Boston to Caribbean. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated junho 12, 2025.

The most flights from BOS to 0CB are scheduled on a Thursday (21 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (10 on average).

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 junho 12, 2025.

Overall

8.0

Entertainment

7.6

Food

7.1

Boarding

8.2

Comfort

8.0

Crew

8.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

Overall

8.0

Entertainment

7.6

Food

7.1

Boarding

8.2

Comfort

8.0

Crew

8.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
8.0
Very good

Overall

8.0

Entertainment

7.6

Food

7.1

Boarding

8.2

Comfort

8.0

Crew

8.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

Overall

8.0

Entertainment

7.6

Food

7.1

Boarding

8.2

Comfort

8.0

Crew

8.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

Overall

8.0

Entertainment

7.6

Food

7.1

Boarding

8.2

Comfort

8.0

Crew

8.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

Overall

8.0

Entertainment

7.6

Food

7.1

Boarding

8.2

Comfort

8.0

Crew

8.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

Related info for your journey

Find useful and relevant information for your journey from Boston to Caribbean. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly from for flights from Boston to Caribbean?

    Boston Logan Intl (BOS), located 2.6 mi from the city center, is the airport you fly out of when you book flights from Boston to Caribbean.

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

    The cheapest airline one-way is Spirit Airlines, with whom users have recently found tickets for as low as $92. However, be on the lookout for offers from Frontier and Delta, as they are both options that can get you from Boston to Caribbean for a low price.

  • What are the most popular routes from Boston to Caribbean?

  • What are the most reliable airlines from Boston to Caribbean?

    Before booking your flight to Caribbean from Boston, check out the most reliable airlines to get you to your destination on time: Turkish Airlines (89%), Aer Lingus (78%), Delta( 78%).

  • What are the cheapest flights from Boston to Caribbean?

    The cheapest flight price from Boston to Caribbean is $60. On average you can expect to pay $492. The most popular route, (Boston Logan Intl - San Juan Luis Munoz Marin Intl), can usually be booked for $169.

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

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

  • How can I find direct flights from Boston to Caribbean?

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

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

    Yes. Cheapflights offers flight deals from Boston 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 Boston to Caribbean?

    Currently, September is the cheapest month in which you can book a flight from Boston to Caribbean (average of $254). Flying from Boston to Caribbean in June is currently the most expensive (average of $339). 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 Boston to Caribbean

See prices for flight routes from nearby airports that may be better suited for you.

Top 10 airlines flying from Boston to Caribbean

Discover the top 10 airlines that operate flights from Boston 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 junho 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$75Average$366FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$95Average$464FlexibilityNo cancel feeOn-time65%
DeltaCheapest$142Average$496FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$147Average$532FlexibilityNo cancel feeOn-time62%
Air CanadaCheapest$188Average$672FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$204Average$551FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$288Average$592FlexibilityNo cancel feeOn-time71%
ArajetCheapest$330Average$481FlexibilityNo cancel feeOn-timeN/A
Copa AirlinesCheapest$353Average$520FlexibilityNo cancel feeOn-time70%
AviancaCheapest$356Average$518FlexibilityNo cancel feeOn-time71%

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