Cheap flights from Boston to Caribbean from $89

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Boston to Caribbean departing on 4/13. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Cheap round-trip flights

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Spirit Airlines Logo
3:23 pm - 7:19 pm
BOS
-
SJU
3h 56mnonstop
Spirit Airlines Logo
10:00 am - 2:18 pm
SJU
-
BOS
4h 18mnonstop
$169Spirit Airlines
Tue, Mar 31 - Sat, Apr 4
Multiple Airlines Logo
3:23 pm - 7:19 pm
BOS
-
SJU
3h 56mnonstop
Multiple Airlines Logo
6:00 am - 10:16 am
SJU
-
BOS
4h 16mnonstop
$171Multiple Airlines
Tue, Mar 31 - Sat, Apr 4
Delta Logo
8:40 am - 12:43 pm
BOS
-
STT
4h 03mnonstop
Delta Logo
2:45 pm - 7:04 pm
STT
-
BOS
4h 19mnonstop
$221Delta
Sun, Mar 29 - Fri, Apr 3
Delta Logo
8:45 am - 12:42 pm
BOS
-
STT
3h 57mnonstop
Delta Logo
3:05 pm - 1:15 am
STT
-
BOS
10h 10m
1 stop
$226Delta
Tue, Apr 14 - Tue, Apr 21
United Airlines Logo
6:00 am - 1:08 pm
BOS
-
STT
7h 08m
1 stop
United Airlines Logo
2:10 pm - 12:59 am
STT
-
BOS
10h 49m
1 stop
$230United Airlines
Mon, Apr 13 - Thu, Apr 16
United Airlines Logo
6:00 am - 3:31 pm
BOS
-
STT
9h 31m
1 stop
United Airlines Logo
1:22 pm - 11:59 pm
STT
-
BOS
10h 37m
2 stops
$245United Airlines
Thu, Apr 23 - Wed, Apr 29
American Airlines Logo
8:45 am - 4:15 pm
BOS
-
STT
7h 30m
1 stop
American Airlines Logo
5:05 pm - 10:02 am
STT
-
BOS
16h 57m
1 stop
$255American Airlines
Wed, May 13 - Mon, May 18
JetBlue Logo
8:05 am - 1:00 pm
BOS
-
AUA
4h 55mnonstop
JetBlue Logo
4:00 pm - 8:59 pm
AUA
-
BOS
4h 59mnonstop
$300JetBlue
Wed, May 6 - Wed, May 13
JetBlue Logo
10:00 am - 2:55 pm
BOS
-
AUA
4h 55mnonstop
JetBlue Logo
12:50 pm - 5:44 pm
AUA
-
BOS
4h 54mnonstop
$302JetBlue
Thu, May 14 - Sun, May 17
American Airlines Logo
6:00 am - 1:50 pm
BOS
-
SXM
7h 50m
1 stop
American Airlines Logo
4:43 pm - 10:06 am
SXM
-
BOS
17h 23m
1 stop
$337American Airlines
Tue, May 26 - Wed, May 27

Frontier flights from Boston to Caribbean

Our best Frontier deals on Boston to Caribbean flight tickets
Frontier
Mar 31
BOS12:36 pmBoston Logan Intl
12h 21m
1 stop
SJU12:57 amSan Juan Luis Munoz Marin Intl
Apr 7
SJU6:00 amSan Juan Luis Munoz Marin Intl
4h 16m
BOS10:16 amBoston Logan Intl
$190
Frontier
Mar 31
BOS12:36 pmBoston Logan Intl
12h 21m
1 stop
SJU12:57 amSan Juan Luis Munoz Marin Intl
Apr 4
SJU6:00 amSan Juan Luis Munoz Marin Intl
4h 16m
BOS10:16 amBoston Logan Intl
$196
Frontier
Mar 31
BOS12:36 pmBoston Logan Intl
12h 21m
1 stop
SJU12:57 amSan Juan Luis Munoz Marin Intl
Apr 13
SJU9:10 pmSan Juan Luis Munoz Marin Intl
13h 11m
1 stop
BOS10:21 amBoston Logan Intl
$212

Spirit Airlines flights from Boston to Caribbean

Our best Spirit Airlines deals on Boston to Caribbean flight tickets
Spirit Airlines
Mar 31
BOS3:23 pmBoston Logan Intl
3h 56m
SJU7:19 pmSan Juan Luis Munoz Marin Intl
Apr 4
SJU10:00 amSan Juan Luis Munoz Marin Intl
4h 18m
BOS2:18 pmBoston Logan Intl
$163
Spirit Airlines
Mar 31
BOS3:23 pmBoston Logan Intl
3h 56m
SJU7:19 pmSan Juan Luis Munoz Marin Intl
Apr 4
SJU10:00 amSan Juan Luis Munoz Marin Intl
4h 18m
BOS2:18 pmBoston Logan Intl
$169
Spirit Airlines
Mar 31
BOS6:01 amBoston Logan Intl
17h 57m
1 stop
SJU11:58 pmSan Juan Luis Munoz Marin Intl
Apr 4
SJU10:00 amSan Juan Luis Munoz Marin Intl
4h 18m
BOS2:18 pmBoston Logan Intl
$172

momondo 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, momondo users made 832,500 searches. Data last updated March 17, 2026.
Use the filters below to find and compare flights from Boston to Caribbean that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BostonSan Juan

BOS - SJU

BOSSJU

Boston Logan Intl

Tue 3/31

3:23 pm-7:19 pm

Nonstop3h 56m

San Juan Luis Munoz Marin Intl

Sat 4/4

10:00 am-2:18 pm

Nonstop4h 18m

$169
Quickest round-trip

BostonSan Juan

BOS - SJU

BOSSJU

Boston Logan Intl

Tue 3/31

3:23 pm-7:19 pm

Nonstop3h 56m

San Juan Luis Munoz Marin Intl

Sat 4/4

6:00 am-10:16 am

Nonstop4h 16m

$171

BostonSaint Thomas Island

BOS - STT

BOSSTT

Boston Logan Intl

Sun 3/29

8:40 am-12:43 pm

Nonstop4h 03m

Saint Thomas Island Cyril E King

Fri 4/3

2:45 pm-7:04 pm

Nonstop4h 19m

$221

BostonSaint Thomas Island

BOS - STT

BOSSTT

Boston Logan Intl

Tue 4/14

8:45 am-12:42 pm

Nonstop3h 57m

Saint Thomas Island Cyril E King

Tue 4/21

3:05 pm-1:15 am

1 stop10h 10m

$226

BostonSaint Thomas Island

BOS - STT

BOSSTT

Boston Logan Intl

Mon 4/13

6:00 am-1:08 pm

1 stop7h 08m

Saint Thomas Island Cyril E King

Thu 4/16

2:10 pm-12:59 am

1 stop10h 49m

$230

BostonSaint Thomas Island

BOS - STT

BOSSTT

Boston Logan Intl

Thu 4/23

6:00 am-3:31 pm

1 stop9h 31m

Saint Thomas Island Cyril E King

Wed 4/29

1:22 pm-11:59 pm

2 stops10h 37m

$245

BostonSaint Thomas Island

BOS - STT

BOSSTT

Boston Logan Intl

Wed 5/13

8:45 am-4:15 pm

1 stop7h 30m

Saint Thomas Island Cyril E King

Mon 5/18

5:05 pm-10:02 am

1 stop16h 57m

$255

BostonOranjestad

BOS - AUA

BOSAUA

Boston Logan Intl

Wed 5/6

8:05 am-1:00 pm

Nonstop4h 55m

Oranjestad Reina Beatrix

Wed 5/13

4:00 pm-8:59 pm

Nonstop4h 59m

$300

BostonOranjestad

BOS - AUA

BOSAUA

Boston Logan Intl

Thu 5/14

10:00 am-2:55 pm

Nonstop4h 55m

Oranjestad Reina Beatrix

Sun 5/17

12:50 pm-5:44 pm

Nonstop4h 54m

$302

BostonSimpson Bay

BOS - SXM

BOSSXM

Boston Logan Intl

Tue 5/26

6:00 am-1:50 pm

1 stop7h 50m

Simpson Bay Princess Juliana

Wed 5/27

4:43 pm-10:06 am

1 stop17h 23m

$337

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Boston to Caribbean

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Caribbean?

In general, January is the cheapest month to fly from Boston to Caribbean. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $267. If you don’t want to visit Caribbean in January, then you should wait until May to fly from Boston, when ticket prices are also cheap, with an average price of $278.

What is the cheapest day to depart on your flight to Caribbean?

The cheapest day to depart from Boston to Caribbean is on a Wednesday when prices can be found for as low as $312. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $346. These prices are subject to change though, so be sure to set up a Price Alert for flights to Caribbean.

What is the cheapest time of day to depart on your flight to Caribbean?

In the afternoon is the cheapest time of day to fly from Boston to Caribbean when you can find flight prices for as low as $284. Flying to Caribbean in the afternoon is an ideal time because this is during off-peak travel hours. Flights in the morning are often more expensive with an average ticket price of $348.

What is the cheapest Boston Logan Intl to Caribbean flight route?

Fly from Boston Logan Intl to San Juan Luis Munoz Marin Intl for the best Boston Logan Intl - Caribbean flight prices

How far in advance should I book a flight to Caribbean?

You are more likely to see cheaper flights to Caribbean from Boston when booking weeks ahead of your departure date. In general, you can expect to find flights to Caribbean for around $314 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Caribbean from Boston for as low as $285 on momondo.

What cabin class options are available on Boston Logan Intl to Caribbean flights?

There are 4 cabin classes available to choose from on Boston Logan Intl to Caribbean flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Boston to Caribbean flights?

No. A direct flight is the cheapest option for a flight between Boston to Caribbean.

Cheap Boston to Caribbean flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Boston to Caribbean

Best Price Found

$124

Fastest flight time

3h 22m

Direct flights

Every day

Airports in Caribbean

195 airports
The best one-way flight to Caribbean from Boston in the past 72 hours is $124. The best round-trip flight deal from Boston to Caribbean found on momondo in the last 72 hours is $257.
The fastest flight from Boston to Caribbean takes 3h 22m
Direct flights go from Boston to Caribbean every day.
There are 195 airports in Caribbean. From Boston there are direct flights to Nassau Intl (NAS), Providenciales (PLS).
  • When did momondo last update prices for flights from Boston Logan Intl Airport to Caribbean?

    Prices for flights from Boston Logan Intl Airport to Caribbean are refreshed on a daily basis.

  • How many operators does momondo search for flights from Boston Logan Intl Airport to Caribbean?

  • How old do you have to be to fly from Boston Logan Intl Airport to Caribbean?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Boston Logan Intl Airport to Caribbean.

  • What documentation or ID do you need to fly to Caribbean?

    The required travel and health documents for your Caribbean trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Caribbean. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from Boston to Caribbean?

Best airlines flying from Boston to Caribbean

Compare and see reviews for airlines that fly from Boston to Caribbean with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $83Free CancellationRating
5.7
3,027 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $91Free CancellationRating
6.3
8,521 reviews
Search Spirit Airlines flights
Air CanadaPriceFrom $130Free CancellationRating
7.1
10,811 reviews
Search Air Canada flights
DeltaPriceFrom $142Free CancellationRating
7.9
8,288 reviews
Search Delta flights
JetBluePriceFrom $147Free CancellationRating
7.2
2,906 reviews
Search JetBlue flights
United AirlinesPriceFrom $166Free CancellationRating
7.4
9,432 reviews
Search United Airlines flights
Copa AirlinesPriceFrom $177Free CancellationRating
7.5
1,569 reviews
Search Copa Airlines flights
ArajetPriceFrom $184Free CancellationRating
6.4
46 reviews
Search Arajet flights
American AirlinesPriceFrom $242Free CancellationRating
7.1
11,467 reviews
Search American Airlines flights
Hahn AirPriceFrom $341Free CancellationRating
0.0
Search Hahn Air flights

Why use momondo?

Why should I use momondo to find a flight deal from Boston to Caribbean?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Boston to Caribbean for you.

Can I find flights from Boston to Caribbean with flexible booking policies on momondo?

Flights from Boston to Caribbean with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Boston to Caribbean?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Boston to Caribbean.

I’m not ready to book a flight from Boston to Caribbean right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Boston to Caribbean flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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1 adult
Thu 4/16
Thu 4/23

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