What is the cheapest airline that flies from Washington, D.C. Dulles Intl to Caribbean?

Air Canada, Delta, and KLM are the most popular carriers operating from Washington, D.C. Dulles Intl to Caribbean

What airlines fly to Caribbean?

United Airlines, Frontier and American Airlines are the top three most popular airlines that fly to Caribbean from Washington, D.C. Dulles Intl Airport according to our data. United Airlines is the first choice among our users, with 74% of people opting to fly with this airline when traveling to Caribbean. Keep in mind that there are 8 different airlines that fly to Caribbean on a routine basis, so you have a few additional options to choose from.

How many operators does momondo search for flights from Washington, D.C. Dulles Intl Airport to Caribbean?

The number of operators available for flights from Washington, D.C. Dulles Intl Airport to Caribbean is 8 as of July 2026.

How old do you have to be to fly from Washington, D.C. Dulles Intl Airport to Caribbean?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Washington, D.C. Dulles 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.

$125 Cheap Flights from Washington, D.C. Dulles Intl Airport to Caribbean in 2026

Q: How many flights depart from Washington, D.C. Dulles Intl Airport to Caribbean on average per day?

As of July 2026, 11 flights take off from Washington, D.C. Dulles Intl Airport and land in Caribbean each day. The most common flight departure time for this route is 8:00AM, with 50% of daily flights taking off at noon.

Q: How many flights depart from Washington, D.C. Dulles Intl Airport to Caribbean on average per week?

79 flights are operational weekly from Washington, D.C. Dulles Intl Airport to Caribbean as of July 2026. The most popular departure day for this route is Sat, with 18% of flights per week taking off on this day.

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Washington, D.C. Dulles Intl Airport to Caribbean

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:09 pm - 4:11 pm

IAD

SJU

22h 02m

1 stop

3:10 am - 5:14 pm

SJU

IAD

14h 04m

2 stops

$303Frontier

Mon, Aug 17 - Fri, Aug 21

6:20 am - 12:56 am

IAD

SJU

18h 36m

2 stops

6:35 am - 7:44 pm

SJU

IAD

13h 09m

1 stop

$304Frontier

Wed, Aug 19 - Sat, Aug 22

6:17 am - 2:51 pm

IAD

SJU

8h 34m

1 stop

3:47 pm - 10:55 pm

SJU

IAD

7h 08m

1 stop

$306American Airlines

Sat, Aug 22 - Fri, Aug 28

5:34 pm - 11:43 pm

IAD

SJU

6h 09m

1 stop

3:47 pm - 10:55 pm

SJU

IAD

7h 08m

1 stop

$307American Airlines

Sat, Aug 22 - Fri, Aug 28

8:35 am - 3:43 pm

IAD

STT

7h 08m

1 stop

4:45 pm - 8:50 pm

STT

IAD

4h 05mnonstop

$366United Airlines

Sat, Sep 19 - Sat, Sep 26

8:28 am - 3:02 pm

IAD

STT

6h 34m

1 stop

4:13 pm - 12:34 am

STT

IAD

8h 21m

1 stop

$374Delta

Sat, Aug 29 - Sat, Sep 5

6:20 am - 4:18 pm

IAD

STT

8h 58m

1 stop

1:02 pm - 4:25 pm

STT

IAD

4h 23mnonstop

$389United Airlines

Sun, Dec 6 - Fri, Dec 11

8:08 am - 1:53 pm

IAD

NAS

5h 45m

1 stop

1:16 pm - 8:14 pm

NAS

IAD

6h 58m

1 stop

$392Delta

Wed, Sep 9 - Tue, Sep 15

2:25 am - 5:36 pm

IAD

PUJ

15h 11m

1 stop

11:46 am - 4:21 am

PUJ

IAD

16h 35m

1 stop

$487Copa Airlines

Sat, Aug 22 - Tue, Aug 25

4:34 pm - 5:38 pm

IAD

PUJ

25h 04m

1 stop

11:50 am - 4:20 am

PUJ

IAD

16h 30m

1 stop

$490Copa Airlines

Wed, Sep 30 - Mon, Oct 5

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

United Airlines flights from Washington, D.C. Dulles Intl Airport to Caribbean

Our best United Airlines deals on Washington, D.C. Dulles Intl Airport to Caribbean flight tickets

United Airlines

Aug 24

IAD9:00 amWashington, D.C. Dulles Intl

3h 54m

SJU12:54 pmSan Juan Luis Munoz Marin Intl

Aug 29

SJU4:55 pmSan Juan Luis Munoz Marin Intl

3h 52m

IAD8:47 pmWashington, D.C. Dulles Intl

$317

United Airlines

Oct 23

IAD6:45 amWashington, D.C. Dulles Intl

7h 00m

1 stop

SJU1:45 pmSan Juan Luis Munoz Marin Intl

Oct 26

SJU4:50 pmSan Juan Luis Munoz Marin Intl

4h 06m

IAD8:56 pmWashington, D.C. Dulles Intl

$322

United Airlines

Oct 17

IAD6:10 amWashington, D.C. Dulles Intl

8h 34m

1 stop

SJU2:44 pmSan Juan Luis Munoz Marin Intl

Oct 24

SJU3:56 pmSan Juan Luis Munoz Marin Intl

8h 54m

1 stop

IAD12:50 amWashington, D.C. Dulles Intl

$326

Frontier flights from Washington, D.C. Dulles Intl Airport to Caribbean

Our best Frontier deals on Washington, D.C. Dulles Intl Airport to Caribbean flight tickets

Frontier

Aug 17

IAD6:09 pmWashington, D.C. Dulles Intl

22h 02m

1 stop

SJU4:11 pmSan Juan Luis Munoz Marin Intl

Aug 21

SJU3:10 amSan Juan Luis Munoz Marin Intl

14h 04m

2 stops

IAD5:14 pmWashington, D.C. Dulles Intl

$303

Frontier

Aug 3

IAD6:09 pmWashington, D.C. Dulles Intl

21h 56m

1 stop

SJU4:05 pmSan Juan Luis Munoz Marin Intl

Aug 12

SJU5:22 pmSan Juan Luis Munoz Marin Intl

23h 18m

2 stops

IAD4:40 pmWashington, D.C. Dulles Intl

$304

Frontier

Aug 11

IAD5:40 pmWashington, D.C. Dulles Intl

22h 31m

1 stop

SJU4:11 pmSan Juan Luis Munoz Marin Intl

Aug 14

SJU3:10 amSan Juan Luis Munoz Marin Intl

13h 24m

2 stops

IAD4:34 pmWashington, D.C. Dulles Intl

$305

momondo Fare Finder

Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Caribbean that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.San Juan

IAD - SJU

IADSJU

Washington, D.C. Dulles Intl

Mon 8/17

6:09 pm-4:11 pm

1 stop22h 02m

San Juan Luis Munoz Marin Intl

Fri 8/21

3:10 am-5:14 pm

2 stops14h 04m

$303

Washington, D.C.San Juan

IAD - SJU

IADSJU

Washington, D.C. Dulles Intl

Wed 8/19

6:20 am-12:56 am

2 stops18h 36m

San Juan Luis Munoz Marin Intl

Sat 8/22

6:35 am-7:44 pm

1 stop13h 09m

$304

Washington, D.C.San Juan

IAD - SJU

IADSJU

Washington, D.C. Dulles Intl

Sat 8/22

6:17 am-2:51 pm

1 stop8h 34m

San Juan Luis Munoz Marin Intl

Fri 8/28

3:47 pm-10:55 pm

1 stop7h 08m

$306

Washington, D.C.San Juan

IAD - SJU

IADSJU

Washington, D.C. Dulles Intl

Sat 8/22

5:34 pm-11:43 pm

1 stop6h 09m

San Juan Luis Munoz Marin Intl

Fri 8/28

3:47 pm-10:55 pm

1 stop7h 08m

$307

Quickest round-trip

Washington, D.C.Saint Thomas Island

IAD - STT

IADSTT

Washington, D.C. Dulles Intl

Sat 9/19

8:35 am-3:43 pm

1 stop7h 08m

Saint Thomas Island Cyril E King

Sat 9/26

4:45 pm-8:50 pm

Nonstop4h 05m

$366

Washington, D.C.Saint Thomas Island

IAD - STT

IADSTT

Washington, D.C. Dulles Intl

Sat 8/29

8:28 am-3:02 pm

1 stop6h 34m

Saint Thomas Island Cyril E King

Sat 9/5

4:13 pm-12:34 am

1 stop8h 21m

$374

Washington, D.C.Saint Thomas Island

IAD - STT

IADSTT

Washington, D.C. Dulles Intl

Sun 12/6

6:20 am-4:18 pm

1 stop8h 58m

Saint Thomas Island Cyril E King

Fri 12/11

1:02 pm-4:25 pm

Nonstop4h 23m

$389

Washington, D.C.Nassau

IAD - NAS

IADNAS

Washington, D.C. Dulles Intl

Wed 9/9

8:08 am-1:53 pm

1 stop5h 45m

Nassau Intl

Tue 9/15

1:16 pm-8:14 pm

1 stop6h 58m

$392

Washington, D.C.Punta Cana

IAD - PUJ

IADPUJ

Washington, D.C. Dulles Intl

Sat 8/22

2:25 am-5:36 pm

1 stop15h 11m

Punta Cana

Tue 8/25

11:46 am-4:21 am

1 stop16h 35m

$487

Washington, D.C.Punta Cana

IAD - PUJ

IADPUJ

Washington, D.C. Dulles Intl

Wed 9/30

4:34 pm-5:38 pm

1 stop25h 04m

Punta Cana

Mon 10/5

11:50 am-4:20 am

1 stop16h 30m

$490

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Washington, D.C. Dulles Intl Airport 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

Prices

Airlines

Other information

What is the cheapest month to fly to Caribbean?

In general, January is the cheapest month to fly from Washington, D.C. Dulles Intl Airport to Caribbean. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $475. If you don’t want to visit Caribbean in January, then you should wait until February to fly from Washington, D.C. Dulles Intl Airport, when ticket prices are also cheap, with an average price of $487.

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

The cheapest day to depart from Washington, D.C. Dulles Intl Airport to Caribbean is on a Sunday when prices can be found for as low as $394. If your travel schedule is flexible, try to avoid departing on a Friday because tickets tend to average around $492. 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 evening is the cheapest time of day to fly from Washington, D.C. Dulles Intl Airport to Caribbean when you can find flight prices for as low as $343. Flying to Caribbean in the evening 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 $474.

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

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

How far in advance should I book a flight from Washington, D.C. Dulles Intl Airport to Caribbean?

You are more likely to see cheaper flights to Caribbean from Washington, D.C. Dulles Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Caribbean for around $421 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Caribbean from Washington, D.C. Dulles Intl Airport for as low as $359 on momondo.

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

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

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

Cheap Washington, D.C. Dulles Intl Airport to Caribbean flight deals and tips

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

Best Price Found	$166
Fastest flight time	3h 02m
Direct flights	Every day
Airports in Caribbean	195 airports

The best one-way flight to Caribbean from Washington, D.C. Dulles Intl Airport in the past 72 hours is $166. The best round-trip flight deal from Washington, D.C. Dulles Intl Airport to Caribbean found on momondo in the last 72 hours is $412.

The fastest flight from Washington, D.C. Dulles Intl Airport to Caribbean takes 3h 02m

Direct flights go from Washington, D.C. Dulles Intl Airport to Caribbean every day.

There are 195 airports in Caribbean. From Washington, D.C. Dulles Intl Airport there are direct flights to Nassau Intl (NAS), Montego Bay Sangster Intl (MBJ), Providenciales (PLS).

Search flight deals

Frequently asked questions about flying from Washington, D.C. Dulles Intl Airport to Caribbean

When did momondo last update prices for flights from Washington, D.C. Dulles Intl Airport to Caribbean?
Prices for flights from Washington, D.C. Dulles Intl Airport to Caribbean were last updated today.
How many operators does momondo search for flights from Washington, D.C. Dulles Intl Airport to Caribbean?
The number of operators available for flights from Washington, D.C. Dulles Intl Airport to Caribbean is 8 as of July 2026.
How old do you have to be to fly from Washington, D.C. Dulles Intl Airport to Caribbean?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Washington, D.C. Dulles 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 Washington, D.C. Dulles Intl Airport to Caribbean?
momondo data reveals that the most frequently booked plane model on the route from Washington, D.C. Dulles Intl Airport to Caribbean is Boeing 737 MAX 8, representing 28.60% of all bookings. The subsequent popular models are Boeing 737 MAX 9 at 27.22%, Airbus A321-100/200 at 7.56%, and Airbus A321neo at 6.70%.

Best airlines flying from Washington, D.C. Dulles Intl Airport to Caribbean

Compare and see reviews for airlines that fly from Washington, D.C. Dulles Intl Airport to Caribbean with momondo

Airline	Rating	Free Cancellation	Price
Frontier	PriceFrom $89	Free Cancellation	Rating 5.6 2,770 reviews	Search Frontier flights
Delta	PriceFrom $136	Free Cancellation	Rating 7.8 8,485 reviews	Search Delta flights
JetBlue	PriceFrom $161	Free Cancellation	Rating 7.1 3,024 reviews	Search JetBlue flights
Avianca	PriceFrom $167	Free Cancellation	Rating 6.5 2,520 reviews	Search Avianca flights
Air Canada	PriceFrom $189	Free Cancellation	Rating 7.1 11,384 reviews	Search Air Canada flights
American Airlines	PriceFrom $225	Free Cancellation	Rating 7.1 11,845 reviews	Search American Airlines flights
United Airlines	PriceFrom $263	Free Cancellation	Rating 7.4 10,035 reviews	Search United Airlines flights
Copa Airlines	PriceFrom $346	Free Cancellation	Rating 7.6 1,560 reviews	Search Copa Airlines flights

Why use momondo?

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

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

Yes. momondo enables you to select and highlight flights to Caribbean from Washington, D.C. with this policy.

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

Once all potential Washington, D.C. to Caribbean flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

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

An easier way to manage your Caribbean trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Start using Trips

Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

1 adult

Mon 8/24

Mon 8/31

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Caribbean

Popular cities

Other flights from Washington, D.C. Dulles Intl Airport

Other flights to Caribbean

Airlines

Cabin classes

Complete your trip

Feeling lucky

Popular cities in Caribbean

Flights to San Juanfrom $98

Flights to Punta Canafrom $217

Flights to Santo Domingofrom $243

Flights to Montego Bayfrom $341

Flights to Oranjestadfrom $320

Flights to Nassaufrom $258

Flights to Santiago de los Caballerosfrom $388

Flights to Kingstonfrom $416

Flights to Simpson Bayfrom $331

Flights to Saint Thomas Islandfrom $270

Flights to Port of Spainfrom $277

Flights to Willemstadfrom $276

Cheap flights from Washington, D.C. Dulles Intl Airport to Caribbean from $121

Find the cheapest flights from Washington, D.C. Dulles Intl Airport to Caribbean

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Cheap direct flights

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

United Airlines flights from Washington, D.C. Dulles Intl Airport to Caribbean

Our best United Airlines deals on Washington, D.C. Dulles Intl Airport to Caribbean flight tickets

Frontier flights from Washington, D.C. Dulles Intl Airport to Caribbean

Our best Frontier deals on Washington, D.C. Dulles Intl Airport to Caribbean flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Caribbean that are best for you.

How to get the cheapest flight ticket from Washington, D.C. Dulles Intl Airport to Caribbean

What is the cheapest month to fly to Caribbean?

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

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

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

How far in advance should I book a flight from Washington, D.C. Dulles Intl Airport to Caribbean?

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

Can stopping save me money on Washington, D.C. Dulles Intl Airport to Caribbean flights?

What is the cheapest airline that flies from Washington, D.C. Dulles Intl to Caribbean?

What airlines fly to Caribbean?

How many flights depart from Washington, D.C. Dulles Intl Airport to Caribbean on average per day?

How many flights depart from Washington, D.C. Dulles Intl Airport to Caribbean on average per week?

Cheap Washington, D.C. Dulles Intl Airport to Caribbean flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Airports in Caribbean

Frequently asked questions about flying from Washington, D.C. Dulles Intl Airport to Caribbean

Best airlines flying from Washington, D.C. Dulles Intl Airport to Caribbean

Compare and see reviews for airlines that fly from Washington, D.C. Dulles Intl Airport to Caribbean with momondo

Why use momondo?

An easier way to manage your Caribbean trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Caribbean

Popular cities in Caribbean

Popular flights according to clicks in the last 7 days on momondo

Washington, D.C. Dulles Intl Airport flight routes

According to popular flight searches on momondo this year

Caribbean flight routes

According to popular flight searches on momondo this year

Fly your favorite airline to Caribbean

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Caribbean

List of cabin classes available on flights landing in Caribbean. Availability may vary depending on flight origin and airline.

Complete your trip to Caribbean

Explore popular destinations other users love

According to popular flight searches on momondo this year