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$94+ Cheap flights from Washington, D.C. (WAS) 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 4/13. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — SJU
Apr 16 — Apr 231
Thu 4/16
Thu 4/23
1 adult, Economy
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Cheap flight deals from Washington, D.C. to Caribbean

Cheapest flights from Washington, D.C. to Caribbean
Explore the most affordable flight options available from Washington, D.C. to Caribbean. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 17, 2026.

This Cheapflightsfares deal was found by Cheapflights users on 3/14. 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 3/236:15 am
BWI
-
SJU
Nonstop3h 39m
Spirit Airlines
Fri 3/277:54 pm
SJU
-
BWI
1 stop13h 20m
Spirit Airlines
Deal found 3/14$156
This Mytrip deal was found by Cheapflights users on 3/14. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/236:15 am
BWI
-
SJU
Nonstop3h 39m
Multiple Airlines
Wed 4/86:00 am
SJU
-
BWI
1 stop8h 23m
Multiple Airlines
Deal found 3/14$169
This CheapOair deal was found by Cheapflights users on 3/13. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/236:15 am
BWI
-
SJU
Nonstop3h 39m
Multiple Airlines
Wed 4/83:16 am
SJU
-
BWI
1 stop14h 16m
Multiple Airlines
Deal found 3/13$180
This Cheapflightsfares deal was found by Cheapflights users on 3/15. 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 3/236:15 am
BWI
-
SJU
Nonstop3h 39m
Spirit Airlines
Thu 3/267:54 pm
SJU
-
BWI
1 stop13h 20m
Spirit Airlines
Deal found 3/15$183
This eDestinos deal was found by Cheapflights users on 3/13. 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 4/67:38 pm
BWI
-
SJU
Nonstop3h 50m
Frontier
Fri 4/106:00 am
SJU
-
BWI
1 stop10h 49m
Frontier
Deal found 3/13$186
This Kiwi.com deal was found by Cheapflights users on 3/14. 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.
Mon 3/2311:27 am
BWI
-
SJU
Nonstop3h 42m
Multiple Airlines
Wed 4/17:54 pm
SJU
-
BWI
1 stop13h 20m
Multiple Airlines
Deal found 3/14$191
This eDestinos deal was found by Cheapflights users on 3/15. 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 5/276:10 pm
BWI
-
SJU
1 stop10h 39m
Frontier
Tue 6/26:25 am
SJU
-
BWI
1 stop11h 00m
Frontier
Deal found 3/15$192
This Kiwi.com deal was found by Cheapflights users on 3/14. 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.
Mon 3/236:15 am
BWI
-
SJU
Nonstop3h 39m
Multiple Airlines
Fri 3/276:15 am
SJU
-
BWI
Nonstop4h 17m
Multiple Airlines
Deal found 3/14$194
This Cheapflightsfares deal was found by Cheapflights users on 3/14. 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 3/236:15 am
BWI
-
SJU
Nonstop3h 39m
Spirit Airlines
Wed 4/88:24 pm
SJU
-
BWI
Nonstop4h 04m
Spirit Airlines
Deal found 3/14$196
This Frontier deal was found by Cheapflights users on 3/13. 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.
Tue 4/76:26 pm
IAD
-
SJU
1 stop7h 35m
Frontier
Wed 4/81:11 pm
SJU
-
IAD
1 stop11h 25m
Frontier
Deal found 3/13$207
This Kiwi.com deal was found by Cheapflights users on 3/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/3012:23 pm
IAD
-
SJU
1 stop13h 38m
Frontier
Sun 5/33:39 pm
SJU
-
IAD
1 stop15h 48m
Frontier
Deal found 3/16$210
This Frontier deal was found by Cheapflights users on 3/16. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/206:00 am
IAD
-
SJU
1 stop8h 13m
Frontier
Wed 4/293:19 pm
SJU
-
IAD
1 stop20h 16m
Frontier
Deal found 3/16$211

Find flight deals from Washington, D.C. to Caribbean

Keep the following information in mind while searching for Washington, D.C. to Caribbean flight deals. Data was last updated March 17, 2026.

Round-trip from

$186
(eDestinos)

One-way from

$94
(eDestinos)

Popular in

December

Cheapest in

July

Average price

$373

Good round-trip deal

$278 or less

Good one-way deal

$112 or less
From Washington, D.C. (WAS) to Caribbean
Search Deals
One-way flight from Washington, D.C. (WAS) to Caribbean
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($38 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals
Price to beat on a round-trip flight from Washington, D.C. (WAS) to Caribbean.
Search Deals
Price to beat on a one-way flight from Washington, D.C. (WAS) to Caribbean.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington, D.C. 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 March 17, 2026.
Use the filters below to find and compare flights from Washington, D.C. to Caribbean that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Saint Thomas Island

IAD - STT

IADSTT

Washington, D.C. Dulles Intl

Sun 5/10

8:15 am-12:20 pm

Nonstop4h 05m

Saint Thomas Island Cyril E King

Thu 5/14

2:10 pm-11:25 pm

1 stop9h 15m

$266

Washington, D.C.Saint Thomas Island

IAD - STT

IADSTT

Washington, D.C. Dulles Intl

Mon 4/13

6:00 am-2:48 pm

1 stop8h 48m

Saint Thomas Island Cyril E King

Fri 4/17

1:59 pm-12:42 am

1 stop10h 43m

$302

Washington, D.C.Saint Thomas Island

IAD - STT

IADSTT

Washington, D.C. Dulles Intl

Thu 5/7

8:15 am-12:20 pm

Nonstop4h 05m

Saint Thomas Island Cyril E King

Tue 5/12

1:22 pm-11:59 pm

1 stop10h 37m

$336

Washington, D.C.Saint Thomas Island

IAD - STT

IADSTT

Washington, D.C. Dulles Intl

Mon 4/27

6:00 am-1:08 pm

1 stop7h 08m

Saint Thomas Island Cyril E King

Thu 4/30

1:22 pm-10:49 pm

1 stop9h 27m

$340

Washington, D.C.San Juan

DCA - SJU

DCASJU

Washington, D.C. Reagan-National

Fri 5/1

1:00 pm-8:00 pm

1 stop7h 00m

San Juan Luis Munoz Marin Intl

Mon 5/4

6:50 am-5:55 pm

1 stop11h 05m

$342

Washington, D.C.San Juan

DCA - SJU

DCASJU

Washington, D.C. Reagan-National

Wed 4/22

6:55 am-2:50 pm

1 stop7h 55m

San Juan Luis Munoz Marin Intl

Sat 4/25

2:55 pm-9:25 pm

1 stop6h 30m

$342

Washington, D.C.San Juan

DCA - SJU

DCASJU

Washington, D.C. Reagan-National

Wed 5/6

11:55 am-8:34 pm

1 stop8h 39m

San Juan Luis Munoz Marin Intl

Sat 5/9

1:00 am-8:20 am

1 stop7h 20m

$342

BaltimoreSan Juan

BWI - SJU

BWISJU

Baltimore/Washington

Tue 5/5

9:25 am-6:10 pm

2 stops8h 45m

San Juan Luis Munoz Marin Intl

Tue 5/12

8:10 am-6:20 pm

2 stops10h 10m

$348

BaltimoreSan Juan

BWI - SJU

BWISJU

Baltimore/Washington

Sun 4/26

6:00 am-2:44 pm

1 stop8h 44m

San Juan Luis Munoz Marin Intl

Tue 4/28

1:00 am-2:02 pm

2 stops13h 02m

$348

Washington, D.C.Saint Thomas Island

IAD - STT

IADSTT

Washington, D.C. Dulles Intl

Sat 3/21

6:01 am-1:47 pm

1 stop7h 46m

Saint Thomas Island Cyril E King

Wed 3/25

1:55 pm-12:27 am

1 stop10h 32m

$350

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/15

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from Washington, D.C. to Caribbean

Have a flexible travel schedule? Discover the best time to fly to Caribbean from Washington, D.C. 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 Washington, D.C. to Caribbean

What is the cheapest month to book a flight from Washington, D.C. to Caribbean?

Currently, January is the cheapest month in which you can book a flight from Washington, D.C. to Caribbean (average of $73). Flying from Washington, D.C. to Caribbean in December is currently the most expensive (average of $166). 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 WAS to CB?

Find hourly flight availability from Washington, D.C. 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 March 17, 2026.

One of the essential ways to save on airfare from Washington, D.C. to Caribbean is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the afternoon could potentially save you up to 35% on airfare.

What is the cheapest day to fly from Washington, D.C. to Caribbean?

Use this chart to determine the cheapest time to fly round-trip from Washington, D.C. to Caribbean. Price data was last updated on March 14, 2026.

Travelers seeking maximum savings on their Washington, D.C. to Caribbean flight should consider departing on Wednesday at noon when fares are most often at their lowest. Wednesday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Washington, D.C. to Caribbean

Explore weekly flight availability from Washington, D.C. 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 March 17, 2026.

The most flights from WAS to 0CB are scheduled on a Monday (6 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (6 on average).

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 March 17, 2026.
Read through reviews of airlines operating flights from Washington, D.C. to Caribbean, such as United Airlines,JetBlue, andAmerican Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,433 reviews

Crew

8.1

Food

6.6

Entertainment

7.1

Overall

7.4

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,433 reviews
United Airlines
7.4
Good
9,433 reviews

Crew

8.1

Food

6.6

Entertainment

7.1

Overall

7.4

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
JetBlue
7.2
Good
2,906 reviews
United Airlines
7.4
Good
9,433 reviews

Crew

8.1

Food

6.6

Entertainment

7.1

Overall

7.4

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
American Airlines
7.1
Good
11,467 reviews
United Airlines
7.4
Good
9,433 reviews

Crew

8.1

Food

6.6

Entertainment

7.1

Overall

7.4

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
Spirit Airlines
6.3
Okay
8,521 reviews
United Airlines
7.4
Good
9,433 reviews

Crew

8.1

Food

6.6

Entertainment

7.1

Overall

7.4

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
Frontier
5.7
Fair
3,025 reviews
United Airlines
7.4
Good
9,433 reviews

Crew

8.1

Food

6.6

Entertainment

7.1

Overall

7.4

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

Related info for your journey

Find useful and relevant information for your journey from Washington, D.C. to Caribbean. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Washington, D.C. to Caribbean?

    Departing from Washington, D.C. to Caribbean will take you 4h 05m. The distance between Washington, D.C. and Caribbean is about 1608 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Washington, D.C. to Caribbean one-way?

    One-way options have recently been found by users for as low as $59 on Frontier. Other airlines that offer cheap prices include JetBlue from $67 and Delta from $68 one-way.

  • What are the most popular routes from Washington, D.C. to Caribbean?

    The most popular flight routes from Washington, D.C. to Caribbean are Baltimore/Washington - San Juan Luis Munoz Marin Intl, Washington, D.C. Dulles Intl - San Juan Luis Munoz Marin Intl and Washington, D.C. Reagan-National - San Juan Luis Munoz Marin Intl.

  • What are the most reliable airlines from Washington, D.C. to Caribbean?

    Before booking your flight to Caribbean from Washington, D.C., check out the most reliable airlines to get you to your destination on time: United Airlines (85%), Air Canada (78%), Frontier( 77%).

  • What are the cheapest flights from Washington, D.C. to Caribbean?

    The cheapest flight price from Washington, D.C. to Caribbean is $80. On average you can expect to pay $791. The most popular route, (Baltimore/Washington - San Juan Luis Munoz Marin Intl), can usually be booked for $193.

  • Can I find deals for flights from Washington, D.C. to Caribbean that include hotel bookings?

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

  • How can I find direct flights from Washington, D.C. to Caribbean?

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

  • Can I find deals for business class flights from Washington, D.C. to Caribbean?

    Yes. Cheapflights offers flight deals from Washington, D.C. 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 Washington, D.C. to Caribbean?

    Currently, January is the cheapest month in which you can book a flight from Washington, D.C. to Caribbean (average of $73). Flying from Washington, D.C. to Caribbean in December is currently the most expensive (average of $166). 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 Washington, D.C. to Caribbean

See prices for flight routes from nearby airports that may be better suited for you.
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Reagan-National to Miami flights
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Top 10 airlines flying from Washington, D.C. to Caribbean

Discover the top 10 airlines that operate flights from Washington, D.C. 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 March 17, 2026.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$88Average$360FlexibilityNo cancel feeOn-time65%
FrontierCheapest$89Average$411FlexibilityNo cancel feeOn-time62%
DeltaCheapest$135Average$558FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$146Average$514FlexibilityNo cancel feeOn-time62%
AviancaCheapest$162Average$382FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$172Average$578FlexibilityNo cancel feeOn-time69%
Copa AirlinesCheapest$183Average$495FlexibilityNo cancel feeOn-time70%
SouthwestCheapest$220Average$633FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$225Average$587FlexibilityNo cancel feeOn-time71%
Air CanadaCheapest$250Average$459FlexibilityNo cancel feeOn-time67%

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