Caribbean Islands

$77+ Cheap flights from Washington, D.C. (WAS) 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 1/31. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — SJU
Feb 7 — Feb 141
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Cheap flight deals from Washington, D.C. to Caribbean Islands

Keep the following information in mind while searching for Washington, D.C. to Caribbean Islands flight deals. Data was last updated January 8, 2026.

Round-trip from

$180
(Kiwi.com)

One-way from

$77
(Priceline)

Popular in

December

Cheapest in

July

Average price

$335
From Washington, D.C. (WAS) to Caribbean Islands
One-way flight from Washington, D.C. (WAS) to Caribbean Islands
Highest demand for flights based on searches. 10% potential increase in price ($39 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
Average for round-trip flights in January 2026

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

Cheapest flights from Washington, D.C. to Caribbean Islands
Explore the most affordable flight options available from Washington, D.C. to Caribbean Islands. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 8, 2026.

This Super.com deal was found by Cheapflights users on 1/6. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/1010:03 amIAD - SJU
1 stop12h 23mFrontier
Fri 1/163:11 pmSJU - IAD
Nonstop4h 08mFrontier
Deal found 1/6$180
This Frontier deal was found by Cheapflights users on 1/5. 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.
Thu 2/511:37 amIAD - SJU
1 stop9h 16mFrontier
Mon 3/26:00 amSJU - IAD
1 stop13h 07mFrontier
Deal found 1/5$182
This CheapOair deal was found by Cheapflights users on 1/8. 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.
Sat 2/1411:37 amIAD - SJU
1 stop13h 20mFrontier
Wed 2/1811:07 amSJU - IAD
1 stop23h 18mFrontier
Deal found 1/8$183
This Kiwi.com deal was found by Cheapflights users on 1/7. 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.
Sat 1/174:17 pmIAD - SJU
Nonstop3h 45mMultiple Airlines
Wed 1/216:00 amSJU - IAD
2 stops35h 28mMultiple Airlines
Deal found 1/7$184
This Priceline deal was found by Cheapflights users on 1/6. 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.
Tue 3/176:20 amIAD - SJU
1 stop7h 52mFrontier
Sat 3/216:00 amSJU - IAD
Nonstop4h 08mFrontier
Deal found 1/6$185
This Kiwi.com deal was found by Cheapflights users on 1/6. 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.
Sat 2/218:20 pmIAD - SJU
Nonstop3h 45mMultiple Airlines
Wed 2/2511:52 amSJU - IAD
2 stops23h 41mMultiple Airlines
Deal found 1/6$186
This Frontier deal was found by Cheapflights users on 1/7. 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 2/238:20 pmIAD - SJU
Nonstop3h 45mFrontier
Mon 3/24:17 pmSJU - IAD
Nonstop4h 08mFrontier
Deal found 1/7$187
This Kiwi.com deal was found by Cheapflights users on 1/8. 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.
Sun 2/16:00 amBWI - SJU
Nonstop3h 47mSpirit Airlines
Thu 2/195:20 amSJU - BWI
1 stop6h 57mSpirit Airlines
Deal found 1/8$187
This Super.com deal was found by Cheapflights users on 1/7. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/1411:37 amIAD - SJU
1 stop13h 20mFrontier
Sat 2/214:17 pmSJU - IAD
Nonstop4h 08mFrontier
Deal found 1/7$188
This Kiwi.com deal was found by Cheapflights users on 1/8. 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 1/288:00 amBWI - SJU
1 stop6h 26mMultiple Airlines
Fri 2/205:20 amSJU - BWI
1 stop6h 57mMultiple Airlines
Deal found 1/8$188
This CheapOair deal was found by Cheapflights users on 1/6. 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.
Sat 2/218:20 pmIAD - SJU
Nonstop3h 45mFrontier
Wed 2/255:25 pmSJU - IAD
1 stop17h 00mFrontier
Deal found 1/6$189
This CheapOair deal was found by Cheapflights users on 1/7. 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 1/124:44 pmBWI - SJU
1 stop5h 49mSpirit Airlines
Fri 1/164:40 pmSJU - BWI
1 stop7h 56mSpirit Airlines
Deal found 1/7$189

Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington, D.C. 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 January 8, 2026.
Use the filters below to find and compare flights from Washington, D.C. to Caribbean Islands that are best for you.

Fly from

Washington, D.C.

Fly to

Caribbean Islands

Route

Depart

Return

Price

Washington, D.C.Saint Thomas Island

IAD - STT

IADSTT

Washington, D.C. Dulles Intl

Tue 4/7

8:15 am-12:20 pm

Nonstop4h 05m

Saint Thomas Island Cyril E King

Tue 4/14

2:10 pm-12:15 am

1 stop10h 05m

$196

Washington, D.C.San Juan

IAD - SJU

IADSJU

Washington, D.C. Dulles Intl

Tue 1/27

6:00 am-1:06 pm

1 stop6h 06m

San Juan Luis Munoz Marin Intl

Tue 2/10

7:30 am-2:45 pm

1 stop8h 15m

$206

Washington, D.C.San Juan

DCA - SJU

DCASJU

Washington, D.C. Reagan-National

Wed 2/4

11:00 am-9:26 pm

1 stop9h 26m

San Juan Luis Munoz Marin Intl

Fri 2/6

2:05 am-8:32 am

1 stop7h 27m

$206

Washington, D.C.San Juan

DCA - SJU

DCASJU

Washington, D.C. Reagan-National

Sat 1/31

7:00 am-9:26 pm

2 stops13h 26m

San Juan Luis Munoz Marin Intl

Mon 2/2

2:05 am-8:32 am

1 stop7h 27m

$206

Washington, D.C.San Juan

IAD - SJU

IADSJU

Washington, D.C. Dulles Intl

Sat 1/24

12:38 pm-11:45 pm

1 stop10h 07m

San Juan Luis Munoz Marin Intl

Wed 1/28

6:27 pm-12:24 am

1 stop6h 57m

$216

Washington, D.C.San Juan

IAD - SJU

IADSJU

Washington, D.C. Dulles Intl

Sat 1/24

12:23 pm-11:57 pm

1 stop10h 34m

San Juan Luis Munoz Marin Intl

Wed 2/4

2:15 pm-8:45 pm

1 stop7h 30m

$216

Washington, D.C.San Juan

DCA - SJU

DCASJU

Washington, D.C. Reagan-National

Sat 2/21

1:40 pm-11:58 pm

1 stop9h 18m

San Juan Luis Munoz Marin Intl

Fri 2/27

7:00 am-4:27 pm

1 stop10h 27m

$216

Washington, D.C.San Juan

IAD - SJU

IADSJU

Washington, D.C. Dulles Intl

Tue 1/20

8:27 am-1:17 pm

Nonstop3h 50m

San Juan Luis Munoz Marin Intl

Fri 1/23

5:50 pm-8:55 pm

Nonstop4h 05m

$220

Washington, D.C.San Juan

IAD - SJU

IADSJU

Washington, D.C. Dulles Intl

Wed 2/4

5:32 pm-10:22 pm

Nonstop3h 50m

San Juan Luis Munoz Marin Intl

Fri 2/6

8:35 am-4:00 pm

1 stop8h 25m

$225

Washington, D.C.San Juan

DCA - SJU

DCASJU

Washington, D.C. Reagan-National

Sun 1/25

9:07 am-9:00 pm

2 stops10h 53m

San Juan Luis Munoz Marin Intl

Tue 1/27

2:05 am-9:38 am

1 stop8h 33m

$229

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/7

Showing 1-10 of 60 results
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Best time to book a flight from Washington, D.C. to Caribbean Islands

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

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

Currently, January is the cheapest month in which you can book a flight from Washington, D.C. to Caribbean Islands (average of $73). Flying from Washington, D.C. to Caribbean Islands 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 EPX?

Find hourly flight availability from Washington, D.C. 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 January 8, 2026.

A simple way to save on the total cost of your ticket is to fly from Washington, D.C. to Caribbean Islands in the afternoon. If you’re flexible enough to do this you can expect to save up to 39% on your trip compared to booking a flight in the morning.

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

Use this chart to determine the cheapest time to fly round-trip from Washington, D.C. to Caribbean Islands. Price data was last updated on January 3, 2026.

Travelers seeking maximum savings on their Washington, D.C. to Caribbean Islands 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 Islands

Explore weekly flight availability from Washington, D.C. 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 January 8, 2026.

The most flights from WAS to zzEPX 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 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 January 8, 2026.
Read through reviews of airlines operating flights from Washington, D.C. to Caribbean Islands, such as Southwest, United Airlines, and American Airlines. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Crew

8.6

Overall

8.0

Entertainment

7.5

Comfort

8.0

Food

7.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Crew

8.6

Overall

8.0

Entertainment

7.5

Comfort

8.0

Food

7.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Crew

8.6

Overall

8.0

Entertainment

7.5

Comfort

8.0

Food

7.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Crew

8.6

Overall

8.0

Entertainment

7.5

Comfort

8.0

Food

7.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Crew

8.6

Overall

8.0

Entertainment

7.5

Comfort

8.0

Food

7.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Crew

8.6

Overall

8.0

Entertainment

7.5

Comfort

8.0

Food

7.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Related info for your journey

Find useful and relevant information for your journey from Washington, D.C. to Caribbean Islands. 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 Islands?

    For as low as $196, United Airlines can have you in Caribbean Islands from Washington, D.C. in 4h 05m. There are 1608 mi between Washington, D.C. and Caribbean Islands. 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 Washington, D.C. to Caribbean Islands one-way?

    $60 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on Southwest and American Airlines, with prices starting from $82 and $91, respectively.

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

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

    Before booking your flight to Caribbean Islands from Washington, D.C., check out the most reliable airlines to get you to your destination on time: Air Canada (73%), United Airlines (73%), Brussels Airlines( 62%).

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

    Looking at all options, your cheapest flight can be booked for $60. While the most popular route (Washington, D.C. Dulles Intl - San Juan Luis Munoz Marin Intl) can be booked for $141 on average, our data indicates $641 when flying from Washington, D.C. to Caribbean Islands.

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

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

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

    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 Islands.

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

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

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

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

Top 10 airlines flying from Washington, D.C. to Caribbean Islands

Discover the top 10 airlines that operate flights from Washington, D.C. 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 January 8, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$97Average$405FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$103Average$344FlexibilityNo cancel feeOn-time65%
DeltaCheapest$142Average$597FlexibilityNo cancel feeOn-timeN/A
AviancaCheapest$167Average$453FlexibilityNo cancel feeOn-time71%
JetBlueCheapest$168Average$495FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$199Average$596FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$219Average$618FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$220Average$614FlexibilityNo cancel feeOn-time63%
Copa AirlinesCheapest$238Average$483FlexibilityNo cancel feeOn-time70%
Air CanadaCheapest$390Average$506FlexibilityNo cancel feeOn-time67%

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