Cheap flights from Washington, D.C. to Caribbean Islands from $81

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 4/21. 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

Enter your travel dates to find the best prices.
Frontier Logo
6:29 pm - 10:19 pm
BWI
-
SJU
3h 50mnonstop
Frontier Logo
1:43 pm - 5:55 pm
SJU
-
BWI
4h 12mnonstop
$164Frontier
Sun, Apr 19 - Fri, Apr 24
Frontier Logo
6:29 pm - 10:19 pm
BWI
-
SJU
3h 50mnonstop
Frontier Logo
3:21 am - 4:40 pm
SJU
-
BWI
13h 19m
1 stop
$165Frontier
Sun, Apr 19 - Thu, Apr 23
United Airlines Logo
8:15 am - 12:20 pm
IAD
-
STT
4h 05mnonstop
United Airlines Logo
4:45 pm - 8:58 pm
STT
-
IAD
4h 13mnonstop
$261United Airlines
Mon, Apr 20 - Wed, Apr 29
United Airlines Logo
6:15 am - 3:31 pm
IAD
-
STT
9h 16m
1 stop
United Airlines Logo
4:45 pm - 8:58 pm
STT
-
IAD
4h 13mnonstop
$266United Airlines
Mon, Apr 20 - Wed, Apr 29
American Airlines Logo
8:11 pm - 10:47 am
IAD
-
STT
14h 36m
1 stop
American Airlines Logo
1:15 pm - 11:59 pm
STT
-
IAD
10h 44m
1 stop
$275American Airlines
Wed, May 6 - Wed, May 13
JetBlue Logo
8:00 am - 11:43 am
DCA
-
SJU
3h 43mnonstop
JetBlue Logo
6:00 pm - 9:56 pm
SJU
-
DCA
3h 56mnonstop
$320JetBlue
Sun, Apr 12 - Wed, Apr 15
JetBlue Logo
8:00 am - 11:43 am
DCA
-
SJU
3h 43mnonstop
JetBlue Logo
6:00 pm - 9:55 pm
SJU
-
DCA
3h 55mnonstop
$328JetBlue
Wed, Apr 22 - Wed, Apr 29
Delta Logo
1:40 pm - 11:13 pm
DCA
-
SJU
9h 33m
1 stop
Delta Logo
1:14 pm - 8:45 pm
SJU
-
DCA
7h 31m
1 stop
$342Delta
Mon, May 4 - Wed, May 13
American Airlines Logo
6:25 am - 3:20 pm
IAD
-
AUA
8h 55m
1 stop
American Airlines Logo
5:25 pm - 7:25 pm
AUA
-
IAD
26h 00m
2 stops
$374American Airlines
Wed, May 6 - Sun, May 10
Delta Logo
6:50 pm - 12:40 pm
IAD
-
AUA
17h 50m
1 stop
Delta Logo
3:25 pm - 12:42 am
AUA
-
IAD
9h 17m
1 stop
$379Delta
Mon, May 4 - Wed, May 6

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
Apr 6
BWI8:39 pmBaltimore/Washington
12h 14m
1 stop
SJU8:53 amSan Juan Luis Munoz Marin Intl
Apr 10
SJU8:24 pmSan Juan Luis Munoz Marin Intl
4h 04m
BWI12:28 amBaltimore/Washington
$185
Spirit Airlines
Apr 6
BWI8:39 pmBaltimore/Washington
12h 14m
1 stop
SJU8:53 amSan Juan Luis Munoz Marin Intl
Apr 9
SJU7:54 pmSan Juan Luis Munoz Marin Intl
13h 20m
1 stop
BWI9:14 amBaltimore/Washington
$193
Spirit Airlines
Apr 11
BWI6:15 amBaltimore/Washington
3h 39m
SJU9:54 amSan Juan Luis Munoz Marin Intl
Apr 16
SJU8:09 pmSan Juan Luis Munoz Marin Intl
3h 50m
BWI11:59 pmBaltimore/Washington
$197

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

Our best Frontier deals on Washington, D.C. to Caribbean Islands flight tickets
Frontier
May 1
BWI4:25 pmBaltimore/Washington
7h 04m
1 stop
SJU11:29 pmSan Juan Luis Munoz Marin Intl
May 4
SJU7:15 amSan Juan Luis Munoz Marin Intl
8h 10m
1 stop
BWI3:25 pmBaltimore/Washington
$168
Frontier
Apr 19
BWI6:29 pmBaltimore/Washington
3h 50m
SJU10:19 pmSan Juan Luis Munoz Marin Intl
Apr 24
SJU1:43 pmSan Juan Luis Munoz Marin Intl
4h 12m
BWI5:55 pmBaltimore/Washington
$170
Frontier
Apr 17
BWI12:43 pmBaltimore/Washington
10h 46m
1 stop
SJU11:29 pmSan Juan Luis Munoz Marin Intl
Apr 18
SJU8:00 amSan Juan Luis Munoz Marin Intl
12h 51m
1 stop
BWI8:51 pmBaltimore/Washington
$171

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 March 27, 2026.
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

Cheapest round-trip

BaltimoreSan Juan

BWI - SJU

BWISJU

Baltimore/Washington

Sun 4/19

6:29 pm-10:19 pm

Nonstop3h 50m

San Juan Luis Munoz Marin Intl

Fri 4/24

1:43 pm-5:55 pm

Nonstop4h 12m

$164

BaltimoreSan Juan

BWI - SJU

BWISJU

Baltimore/Washington

Sun 4/19

6:29 pm-10:19 pm

Nonstop3h 50m

San Juan Luis Munoz Marin Intl

Thu 4/23

3:21 am-4:40 pm

1 stop13h 19m

$165

Washington, D.C.Saint Thomas Island

IAD - STT

IADSTT

Washington, D.C. Dulles Intl

Mon 4/20

8:15 am-12:20 pm

Nonstop4h 05m

Saint Thomas Island Cyril E King

Wed 4/29

4:45 pm-8:58 pm

Nonstop4h 13m

$261

Washington, D.C.Saint Thomas Island

IAD - STT

IADSTT

Washington, D.C. Dulles Intl

Mon 4/20

6:15 am-3:31 pm

1 stop9h 16m

Saint Thomas Island Cyril E King

Wed 4/29

4:45 pm-8:58 pm

Nonstop4h 13m

$266

Washington, D.C.Saint Thomas Island

IAD - STT

IADSTT

Washington, D.C. Dulles Intl

Wed 5/6

8:11 pm-10:47 am

1 stop14h 36m

Saint Thomas Island Cyril E King

Wed 5/13

1:15 pm-11:59 pm

1 stop10h 44m

$275

Washington, D.C.San Juan

DCA - SJU

DCASJU

Washington, D.C. Reagan-National

Sun 4/12

8:00 am-11:43 am

Nonstop3h 43m

San Juan Luis Munoz Marin Intl

Wed 4/15

6:00 pm-9:56 pm

Nonstop3h 56m

$320
Quickest round-trip

Washington, D.C.San Juan

DCA - SJU

DCASJU

Washington, D.C. Reagan-National

Wed 4/22

8:00 am-11:43 am

Nonstop3h 43m

San Juan Luis Munoz Marin Intl

Wed 4/29

6:00 pm-9:55 pm

Nonstop3h 55m

$328

Washington, D.C.San Juan

DCA - SJU

DCASJU

Washington, D.C. Reagan-National

Mon 5/4

1:40 pm-11:13 pm

1 stop9h 33m

San Juan Luis Munoz Marin Intl

Wed 5/13

1:14 pm-8:45 pm

1 stop7h 31m

$342

Washington, D.C.Oranjestad

IAD - AUA

IADAUA

Washington, D.C. Dulles Intl

Wed 5/6

6:25 am-3:20 pm

1 stop8h 55m

Oranjestad Reina Beatrix

Sun 5/10

5:25 pm-7:25 pm

2 stops26h 00m

$374

Washington, D.C.Oranjestad

IAD - AUA

IADAUA

Washington, D.C. Dulles Intl

Mon 5/4

6:50 pm-12:40 pm

1 stop17h 50m

Oranjestad Reina Beatrix

Wed 5/6

3:25 pm-12:42 am

1 stop9h 17m

$379

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest 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 $296. The month of October is another great option to travel to Caribbean Islands, with average flight prices from Washington, D.C. averaging around $305.

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 Sunday. Travelers who choose to depart for Caribbean Islands on a Sunday will often find tickets for as low as $340. If your travel schedule is flexible, try to avoid departing on a Wednesday because tickets tend to average around $489. 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 in the evening. momondo users have found flights departing from Washington, D.C. to Caribbean Islands in the evening for as low as $344. 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 $443. 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 $384 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 $331 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 30m

Direct flights

Every day

Airports in Caribbean Islands

99 airports
The fastest flight from Washington, D.C. to Caribbean Islands takes 2h 30m
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 Montego Bay Sangster Intl (MBJ).
  • 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
Spirit AirlinesPriceFrom $88Free CancellationRating
6.3
8,552 reviews
Search Spirit Airlines flights
FrontierPriceFrom $88Free CancellationRating
5.7
3,013 reviews
Search Frontier flights
DeltaPriceFrom $135Free CancellationRating
7.9
8,357 reviews
Search Delta flights
JetBluePriceFrom $146Free CancellationRating
7.2
2,909 reviews
Search JetBlue flights
AviancaPriceFrom $162Free CancellationRating
6.5
2,506 reviews
Search Avianca flights
United AirlinesPriceFrom $172Free CancellationRating
7.4
9,500 reviews
Search United Airlines flights
Copa AirlinesPriceFrom $183Free CancellationRating
7.5
1,579 reviews
Search Copa Airlines flights
Air CanadaPriceFrom $189Free CancellationRating
7.1
10,853 reviews
Search Air Canada flights
SouthwestPriceFrom $220Free CancellationRating
8.0
4,333 reviews
Search Southwest flights
American AirlinesPriceFrom $225Free CancellationRating
7.1
11,520 reviews
Search American Airlines 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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1 adult
Sun 4/26
Sun 5/3

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