Caribbean Islands

$97+ Cheap flights from Boston (BOS) 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 9/14. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — SJU
Aug 23 — Aug 301
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Cheap flight deals from Boston to Caribbean Islands

Keep the following information in mind while searching for Boston to Caribbean Islands flight deals. Data was last updated August 18, 2025.

Round-trip from

$187
(SmartFares)

One-way from

$97
(eDestinos)

Popular in

December

Cheapest in

September

Average price

$303
From Boston Logan Intl to Caribbean Islands
One-way flight from Boston Logan Intl to Caribbean Islands
Highest demand for flights based on searches. 2% potential increase in price ($7 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($10 potential savings vs. average RT price).
Average for round-trip flights in August 2025

Find flight deals from Boston to Caribbean Islands

Cheapest flights from Boston to Caribbean Islands
Explore the most affordable flight options available from Boston to Caribbean Islands. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 18, 2025.

This Kiwi.com deal was found by Cheapflights users on 8/17. 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 9/1712:20 pmBOS - SJU
1 stop8h 36mSpirit Airlines
Sat 9/206:44 amSJU - BOS
1 stop7h 04mSpirit Airlines
Deal found 8/17$189
This eDestinos deal was found by Cheapflights users on 8/16. 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.
Mon 9/82:53 pmBOS - SJU
1 stop10h 01mSpirit Airlines
Fri 9/1911:59 amSJU - BOS
1 stop11h 58mSpirit Airlines
Deal found 8/16$194
This Cheapflightsfares deal was found by Cheapflights users on 8/17. 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 9/1612:20 pmBOS - SJU
1 stop8h 36mSpirit Airlines
Fri 9/2611:59 amSJU - BOS
1 stop11h 58mSpirit Airlines
Deal found 8/17$196
This FlightHub deal was found by Cheapflights users on 8/17. 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.
Tue 9/1612:20 pmBOS - SJU
1 stop8h 36mSpirit Airlines
Thu 9/182:38 pmSJU - BOS
1 stop8h 09mSpirit Airlines
Deal found 8/17$197
This FlightHub deal was found by Cheapflights users on 8/17. 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.
Tue 9/1612:20 pmBOS - SJU
1 stop8h 36mSpirit Airlines
Tue 9/236:44 amSJU - BOS
1 stop7h 04mSpirit Airlines
Deal found 8/17$198
This FlightHub deal was found by Cheapflights users on 8/17. 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.
Wed 9/36:30 amBOS - SJU
1 stop16h 58mSpirit Airlines
Fri 9/1211:59 amSJU - BOS
1 stop11h 58mSpirit Airlines
Deal found 8/17$200
This Cheapflightsfares deal was found by Cheapflights users on 8/17. 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 8/316:05 amBOS - SJU
1 stop15h 43mSpirit Airlines
Sat 9/136:44 amSJU - BOS
1 stop7h 04mSpirit Airlines
Deal found 8/17$201
This Priceline deal was found by Cheapflights users on 8/17. 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.
Wed 9/1712:20 pmBOS - SJU
1 stop8h 36mMultiple Airlines
Sat 9/2012:28 amSJU - BOS
1 stop8h 15mMultiple Airlines
Deal found 8/17$202
This Cheapflightsfares deal was found by Cheapflights users on 8/17. 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 8/313:37 pmBOS - SJU
1 stop9h 19mSpirit Airlines
Sat 9/66:44 amSJU - BOS
1 stop7h 04mSpirit Airlines
Deal found 8/17$206
This FlightHub deal was found by Cheapflights users on 8/17. 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 8/3010:34 amBOS - SJU
1 stop13h 23mSpirit Airlines
Sat 9/66:44 amSJU - BOS
1 stop7h 04mSpirit Airlines
Deal found 8/17$207
This Kiwi.com deal was found by Cheapflights users on 8/17. 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.
Tue 9/1612:20 pmBOS - SJU
1 stop8h 36mSpirit Airlines
Wed 9/176:44 amSJU - BOS
1 stop7h 04mSpirit Airlines
Deal found 8/17$211
This Kiwi.com deal was found by Cheapflights users on 8/17. 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.
Tue 9/912:20 pmBOS - SJU
1 stop8h 36mSpirit Airlines
Thu 9/2511:59 amSJU - BOS
1 stop11h 58mSpirit Airlines
Deal found 8/17$212

Cheapflights Fare Finder

 
Customize your flight search to find flights from Boston 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 August 18, 2025.
Use the filters below to find and compare flights from Boston to Caribbean Islands that are best for you.

Fly from

Boston

Fly to

Caribbean Islands

Route

Depart

Return

Price

BostonSan Juan

BOS - SJU

BOSSJU

Boston Logan Intl

Wed 10/8

12:31 pm-1:44 am

1 stop13h 13m

San Juan Luis Munoz Marin Intl

Mon 10/13

2:49 am-1:44 pm

1 stop10h 55m

$213

BostonSan Juan

BOS - SJU

BOSSJU

Boston Logan Intl

Tue 9/16

12:20 pm-8:56 pm

1 stop8h 36m

San Juan Luis Munoz Marin Intl

Sat 9/20

6:44 am-1:48 pm

1 stop7h 04m

$217

BostonSan Juan

BOS - SJU

BOSSJU

Boston Logan Intl

Thu 10/16

2:53 pm-1:44 am

1 stop10h 51m

San Juan Luis Munoz Marin Intl

Thu 10/23

11:51 am-11:59 pm

1 stop12h 08m

$217

BostonSan Juan

BOS - SJU

BOSSJU

Boston Logan Intl

Tue 9/16

6:40 am-1:54 pm

1 stop7h 14m

San Juan Luis Munoz Marin Intl

Tue 9/23

4:35 pm-11:59 pm

1 stop7h 24m

$251

BostonSaint Thomas Island

BOS - STT

BOSSTT

Boston Logan Intl

Wed 11/5

6:15 am-3:11 pm

1 stop7h 56m

Saint Thomas Island Cyril E King

Tue 11/18

4:06 pm-10:08 pm

1 stop7h 02m

$256

BostonSan Juan

BOS - SJU

BOSSJU

Boston Logan Intl

Wed 9/17

8:00 am-12:17 pm

Nonstop4h 17m

San Juan Luis Munoz Marin Intl

Sat 9/27

4:40 pm-11:59 pm

1 stop7h 19m

$262

BostonSan Juan

BOS - SJU

BOSSJU

Boston Logan Intl

Wed 9/17

8:00 am-12:17 pm

Nonstop4h 17m

San Juan Luis Munoz Marin Intl

Sat 9/20

4:40 pm-11:59 pm

1 stop7h 19m

$262

BostonSan Juan

BOS - SJU

BOSSJU

Boston Logan Intl

Fri 8/29

12:00 pm-4:04 pm

Nonstop4h 04m

San Juan Luis Munoz Marin Intl

Wed 9/3

4:35 pm-11:59 pm

1 stop7h 24m

$262

BostonSan Juan

BOS - SJU

BOSSJU

Boston Logan Intl

Fri 10/24

12:00 pm-4:05 pm

Nonstop4h 05m

San Juan Luis Munoz Marin Intl

Wed 10/29

4:05 am-12:11 pm

1 stop8h 06m

$262

BostonSan Juan

BOS - SJU

BOSSJU

Boston Logan Intl

Tue 10/21

6:48 am-1:45 pm

1 stop6h 57m

San Juan Luis Munoz Marin Intl

Tue 10/28

7:10 am-11:23 am

Nonstop4h 13m

$262

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/17

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

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

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

Currently, September is the cheapest month in which you can book a flight from Boston to Caribbean Islands (average of $254). Flying from Boston to Caribbean Islands 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 EPX?

Find hourly flight availability from Boston 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 August 18, 2025.

When flying from Boston to Caribbean Islands, 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 Islands

Explore weekly flight availability from Boston to Caribbean Islands. 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 August 18, 2025.

The most flights from BOS to zzEPX are scheduled on a Sunday (20 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (14 on average).

Reviews of airlines servicing Caribbean Islands

Get insights into the airlines that provide service to Caribbean Islands. 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 Islands. Reviews last updated August 18, 2025.
Read reviews from past customers who have flown Delta, United Airlines, and American Airlines from Boston to Caribbean Islands. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very good

Comfort

7.9

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good
8.0
Very good

Comfort

7.9

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Comfort

7.9

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Comfort

7.9

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Comfort

7.9

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Comfort

7.9

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from Boston to Caribbean Islands. 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 Islands?

    Most people fly from Boston Logan Intl (BOS) if they book a flight from Boston to Caribbean Islands. Boston Logan Intl is conveniently located just 2.6 mi from Boston’s city center.

  • How long is the flight from Boston to Caribbean Islands?

    For as low as $251, Spirit Airlines can have you in Caribbean Islands from Boston in 7h 14m. The distance from Boston to Caribbean Islands is about 1678 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    $97 is the cheapest one-way deal found within the past few days, from Spirit Airlines. You may also be able to find cheap deals on Air Canada and JetBlue, with prices starting from $121 and $123, respectively.

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

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

    The top 3 most reliable airlines when flying from Boston to Caribbean Islands are Delta (90%), EL AL (83%) and TAP AIR PORTUGAL (81%).

  • What are the cheapest flights from Boston to Caribbean Islands?

    On average you can expect to pay $586 for a flight from Boston to Caribbean Islands. The cheapest flight overall is $118 while the most popular route, (Boston Logan Intl - San Juan Luis Munoz Marin Intl) is currently priced at $166.

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

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

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

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

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

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

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

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Alternative routes for Boston to Caribbean Islands

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

Top 10 airlines flying from Boston to Caribbean Islands

Discover the top 10 airlines that operate flights from Boston 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 August 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$80Average$376FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$99Average$386FlexibilityNo cancel feeOn-time65%
DeltaCheapest$140Average$480FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$153Average$538FlexibilityNo cancel feeOn-time62%
ArajetCheapest$187Average$345FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$188Average$660FlexibilityNo cancel feeOn-time67%
Copa AirlinesCheapest$192Average$387FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$204Average$542FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$288Average$591FlexibilityNo cancel feeOn-time71%
AviancaCheapest$356Average$549FlexibilityNo cancel feeOn-time71%

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