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Cheap flights from Washington, D.C. to Caribbean Islands from $93

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. to Caribbean Islands departing on 1/20. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Washington, D.C. to Caribbean Islands

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
9:58 pm - 11:16 am
IAD
-
SJU
12h 18m1 stop
Frontier Logo
9:23 pm - 7:40 am
SJU
-
IAD
11h 17m1 stop
$180Frontier
Mon, Jan 5 - Sat, Jan 10
Frontier Logo
8:07 pm - 2:25 am
IAD
-
SJU
29h 18m1 stop
Frontier Logo
6:00 am - 6:07 pm
SJU
-
IAD
13h 07m1 stop
$181Frontier
Thu, Feb 19 - Mon, Feb 23
Frontier Logo
8:26 pm - 1:20 am
IAD
-
SJU
3h 54mnonstop
Frontier Logo
7:35 am - 4:46 pm
SJU
-
IAD
10h 11m1 stop
$182Frontier
Mon, Jan 5 - Fri, Jan 9
American Airlines Logo
6:00 am - 1:10 pm
BWI
-
STT
6h 10m1 stop
American Airlines Logo
6:39 pm - 9:37 am
STT
-
BWI
15h 58m1 stop
$189American Airlines
Tue, Jan 20 - Tue, Jan 27
American Airlines Logo
6:00 am - 3:56 pm
BWI
-
STT
8h 56m1 stop
American Airlines Logo
6:39 pm - 9:19 am
STT
-
BWI
15h 40m1 stop
$210American Airlines
Tue, Jan 6 - Mon, Jan 12
JetBlue Logo
8:00 am - 12:42 pm
DCA
-
SJU
3h 42mnonstop
JetBlue Logo
6:20 pm - 9:22 pm
SJU
-
DCA
4h 02mnonstop
$216JetBlue
Sun, Feb 15 - Thu, Feb 19
JetBlue Logo
8:00 am - 12:42 pm
DCA
-
SJU
3h 42mnonstop
JetBlue Logo
6:20 pm - 9:22 pm
SJU
-
DCA
4h 02mnonstop
$221JetBlue
Thu, Feb 12 - Thu, Feb 19
United Airlines Logo
8:59 am - 1:56 pm
IAD
-
STT
3h 57mnonstop
United Airlines Logo
1:02 pm - 4:25 pm
STT
-
IAD
4h 23mnonstop
$258United Airlines
Tue, Jan 20 - Tue, Jan 27
Southwest Logo
8:55 am - 1:00 pm
BWI
-
STT
4h 05mnonstop
Southwest Logo
3:05 pm - 7:30 pm
STT
-
BWI
4h 25mnonstop
$260Southwest
Mon, Mar 9 - Fri, Mar 13
United Airlines Logo
8:59 am - 1:56 pm
IAD
-
STT
3h 57mnonstop
United Airlines Logo
5:25 pm - 11:18 pm
STT
-
IAD
6h 53m1 stop
$262United Airlines
Fri, Jan 16 - Thu, Jan 22

Frontier flights from Washington, D.C. to Caribbean Islands

Our best Frontier deals on Washington, D.C. to Caribbean Islands flight tickets
Frontier
Jan 5
IAD9:58 pmWashington, D.C. Dulles Intl
12h 18m
1 stop
SJU11:16 amSan Juan Luis Munoz Marin Intl
Jan 10
SJU9:23 pmSan Juan Luis Munoz Marin Intl
11h 17m
1 stop
IAD7:40 amWashington, D.C. Dulles Intl
$180
Find similar
Frontier
Feb 19
IAD8:07 pmWashington, D.C. Dulles Intl
29h 18m
1 stop
SJU2:25 amSan Juan Luis Munoz Marin Intl
Feb 23
SJU6:00 amSan Juan Luis Munoz Marin Intl
13h 07m
1 stop
IAD6:07 pmWashington, D.C. Dulles Intl
$181
Find similar
Frontier
Jan 5
IAD8:26 pmWashington, D.C. Dulles Intl
3h 54m
SJU1:20 amSan Juan Luis Munoz Marin Intl
Jan 11
SJU6:18 pmSan Juan Luis Munoz Marin Intl
14h 22m
1 stop
IAD7:40 amWashington, D.C. Dulles Intl
$182
Find similar

Spirit Airlines flights from Washington, D.C. to Caribbean Islands

Our best Spirit Airlines deals on Washington, D.C. to Caribbean Islands flight tickets
Spirit Airlines
Feb 20
BWI6:00 amBaltimore/Washington
3h 47m
SJU10:47 amSan Juan Luis Munoz Marin Intl
Feb 23
SJU9:29 pmSan Juan Luis Munoz Marin Intl
4h 09m
BWI12:38 amBaltimore/Washington
$219
Find similar
Spirit Airlines
Feb 15
BWI6:00 amBaltimore/Washington
3h 47m
SJU10:47 amSan Juan Luis Munoz Marin Intl
Feb 18
SJU4:31 pmSan Juan Luis Munoz Marin Intl
8h 00m
1 stop
BWI11:31 pmBaltimore/Washington
$221
Find similar
Spirit Airlines
Jan 9
BWI6:20 amBaltimore/Washington
8h 15m
1 stop
SJU3:35 pmSan Juan Luis Munoz Marin Intl
Jan 17
SJU6:00 amSan Juan Luis Munoz Marin Intl
6h 17m
1 stop
BWI11:17 amBaltimore/Washington
$224
Find similar

momondo 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, momondo users made 832,500 searches. Data last updated December 23, 2025.
Use the filters below to find and compare flights from Washington, D.C. to Caribbean Islands that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.San Juan

IAD - SJU

IADSJU

Washington, D.C. Dulles Intl

Mon 1/5

9:58 pm-11:16 am

1 stop12h 18m

San Juan Luis Munoz Marin Intl

Sat 1/10

9:23 pm-7:40 am

1 stop11h 17m

$180

Washington, D.C.San Juan

IAD - SJU

IADSJU

Washington, D.C. Dulles Intl

Thu 2/19

8:07 pm-2:25 am

1 stop29h 18m

San Juan Luis Munoz Marin Intl

Mon 2/23

6:00 am-6:07 pm

1 stop13h 07m

$181

Washington, D.C.San Juan

IAD - SJU

IADSJU

Washington, D.C. Dulles Intl

Mon 1/5

8:26 pm-1:20 am

Nonstop3h 54m

San Juan Luis Munoz Marin Intl

Fri 1/9

7:35 am-4:46 pm

1 stop10h 11m

$182

BaltimoreSaint Thomas Island

BWI - STT

BWISTT

Baltimore/Washington

Tue 1/20

6:00 am-1:10 pm

1 stop6h 10m

Saint Thomas Island Cyril E King

Tue 1/27

6:39 pm-9:37 am

1 stop15h 58m

$189

BaltimoreSaint Thomas Island

BWI - STT

BWISTT

Baltimore/Washington

Tue 1/6

6:00 am-3:56 pm

1 stop8h 56m

Saint Thomas Island Cyril E King

Mon 1/12

6:39 pm-9:19 am

1 stop15h 40m

$210

Washington, D.C.San Juan

DCA - SJU

DCASJU

Washington, D.C. Reagan-National

Sun 2/15

8:00 am-12:42 pm

Nonstop3h 42m

San Juan Luis Munoz Marin Intl

Thu 2/19

6:20 pm-9:22 pm

Nonstop4h 02m

$216

Washington, D.C.San Juan

DCA - SJU

DCASJU

Washington, D.C. Reagan-National

Thu 2/12

8:00 am-12:42 pm

Nonstop3h 42m

San Juan Luis Munoz Marin Intl

Thu 2/19

6:20 pm-9:22 pm

Nonstop4h 02m

$221

Washington, D.C.Saint Thomas Island

IAD - STT

IADSTT

Washington, D.C. Dulles Intl

Tue 1/20

8:59 am-1:56 pm

Nonstop3h 57m

Saint Thomas Island Cyril E King

Tue 1/27

1:02 pm-4:25 pm

Nonstop4h 23m

$258

BaltimoreSaint Thomas Island

BWI - STT

BWISTT

Baltimore/Washington

Mon 3/9

8:55 am-1:00 pm

Nonstop4h 05m

Saint Thomas Island Cyril E King

Fri 3/13

3:05 pm-7:30 pm

Nonstop4h 25m

$260

Washington, D.C.Saint Thomas Island

IAD - STT

IADSTT

Washington, D.C. Dulles Intl

Fri 1/16

8:59 am-1:56 pm

Nonstop3h 57m

Saint Thomas Island Cyril E King

Thu 1/22

5:25 pm-11:18 pm

1 stop6h 53m

$262

Flights are sorted by cheapest round-trip flights first.

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See travel insights to Caribbean Islands from

How to get the cheapest flight ticket from Washington, D.C. to Caribbean Islands

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 Islands?

The month of July is, on average, the cheapest month to fly to Caribbean Islands from Washington, D.C., with most prices found around $292. The month of March is another great option to travel to Caribbean Islands, with average flight prices from Washington, D.C. averaging around $294.

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

The cheapest day to depart from Washington, D.C. to Caribbean Islands is on a Tuesday. Travelers who choose to depart for Caribbean Islands on a Tuesday will often find tickets for as low as $340. If your travel schedule is flexible, try to avoid departing on a Friday because tickets tend to average around $495. These prices are subject to change though, so be sure to set up a Price Alert for flights to Caribbean Islands.

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

According to our data, the cheapest time of day to fly to Caribbean Islands is at noon. momondo users have found flights departing from Washington, D.C. to Caribbean Islands at noon for as low as $238. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Try not to purchase tickets in the afternoon because they tend to be around $427. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest Washington, D.C. to Caribbean Islands flight route?

Fly from Washington, D.C. Dulles Intl to San Juan Luis Munoz Marin Intl for the best Washington, D.C. - Caribbean Islands flight prices

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

You are more likely to see cheaper flights to Caribbean Islands from Washington, D.C. when booking weeks ahead of your departure date. In general, you can expect to find flights to Caribbean Islands for around $405 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Caribbean Islands from Washington, D.C. for as low as $326 on momondo.

What cabin class options are available on Washington, D.C. to Caribbean Islands flights?

There are 4 cabin classes available to choose from on Washington, D.C. to Caribbean Islands 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 Washington, D.C. to Caribbean Islands flights?

No. A direct flight is the cheapest option for a flight between Washington, D.C. to Caribbean Islands.

Cheap Washington, D.C. to Caribbean Islands flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. to Caribbean Islands

Fastest flight time

2h 35m

Direct flights

Every day

Airports in Caribbean Islands

99 airports
The fastest flight from Washington, D.C. to Caribbean Islands takes 2h 35m
Direct flights go from Washington, D.C. to Caribbean Islands every day.
There are 99 airports in Caribbean Islands. From Washington, D.C. there are direct flights to Punta Cana (PUJ), San Juan Luis Munoz Marin Intl (SJU).
Search flight deals

  • When did momondo last update prices for flights from Washington, D.C. to Caribbean Islands?

    Prices for flights from Washington, D.C. to Caribbean Islands are updated daily.

  • How many operators does momondo search for flights from Washington, D.C. to Caribbean Islands?

  • How old do you have to be to fly from Washington, D.C. to Caribbean Islands?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Washington, D.C. to Caribbean Islands.

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

    The required travel and health documents for your Caribbean Islands 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 Islands. 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 Washington, D.C. to Caribbean Islands?

Best airlines flying from Washington, D.C. to Caribbean Islands

Compare and see reviews for airlines that fly from Washington, D.C. to Caribbean Islands with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $97Free CancellationRating
5.8
3,073 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $103Free CancellationRating
6.3
8,194 reviews
Search Spirit Airlines flights
DeltaPriceFrom $142Free CancellationRating
7.9
8,015 reviews
Search Delta flights
AviancaPriceFrom $167Free CancellationRating
6.6
2,491 reviews
Search Avianca flights
JetBluePriceFrom $167Free CancellationRating
7.2
2,898 reviews
Search JetBlue flights
United AirlinesPriceFrom $214Free CancellationRating
7.4
9,109 reviews
Search United Airlines flights
American AirlinesPriceFrom $219Free CancellationRating
7.2
11,050 reviews
Search American Airlines flights
SouthwestPriceFrom $220Free CancellationRating
8.0
4,256 reviews
Search Southwest flights
Copa AirlinesPriceFrom $238Free CancellationRating
7.6
1,557 reviews
Search Copa Airlines flights
Air CanadaPriceFrom $390Free CancellationRating
7.1
10,551 reviews
Search Air Canada flights

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Caribbean Islands?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Washington, D.C. to Caribbean Islands. momondo saves you time and could save you money on your trip.

Can I find flights from Washington, D.C. to Caribbean Islands with flexible booking policies on momondo?

Yes. All flights to Caribbean Islands from Washington, D.C. on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Washington, D.C. to Caribbean Islands?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Caribbean Islands from Washington, D.C..

I’m not ready to book a flight from Washington, D.C. to Caribbean Islands right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Washington, D.C. to Caribbean Islands flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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