What airlines fly to Caribbean?

United Airlines, Frontier and Delta 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 70% of people opting to fly with this airline when traveling to Caribbean. Keep in mind that there are 9 different airlines that fly to Caribbean on a routine basis, so you have a few additional options to choose from.

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

United Airlines, American Airlines, and Delta are the most popular carriers operating from Washington, D.C. Dulles Intl to Caribbean

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.

$77 Cheap Flights from Washington, D.C. Dulles Intl Airport to Caribbean in 2025/26

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

As of December 2025, 14 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 53% 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?

100 flights are operational weekly from Washington, D.C. Dulles Intl Airport to Caribbean as of December 2025. The most popular departure day for this route is Mon, with 15% of flights per week taking off on this day.

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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.

9:58 pm - 11:16 am

IAD

SJU

12h 18m1 stop

9:23 pm - 7:40 am

SJU

IAD

11h 17m1 stop

$180Frontier

Mon, Jan 5 - Sat, Jan 10

8:07 pm - 2:25 am

IAD

SJU

29h 18m1 stop

6:00 am - 6:07 pm

SJU

IAD

13h 07m1 stop

$181Frontier

Thu, Feb 19 - Mon, Feb 23

6:20 am - 3:14 pm

IAD

STT

7h 54m1 stop

3:10 pm - 11:37 pm

STT

IAD

9h 27m1 stop

$230Delta

Sun, Jan 11 - Fri, Jan 16

8:59 am - 1:56 pm

IAD

STT

3h 57mnonstop

1:02 pm - 4:25 pm

STT

IAD

4h 23mnonstop

$258United Airlines

Tue, Jan 20 - Tue, Jan 27

8:59 am - 1:56 pm

IAD

STT

3h 57mnonstop

5:25 pm - 11:18 pm

STT

IAD

6h 53m1 stop

$262United Airlines

Fri, Jan 16 - Thu, Jan 22

6:20 am - 4:10 pm

IAD

STT

8h 50m1 stop

4:25 pm - 11:37 pm

STT

IAD

8h 12m1 stop

$278Delta

Wed, Jan 7 - Mon, Jan 12

6:00 am - 3:25 pm

IAD

GCM

9h 25m1 stop

2:35 pm - 10:23 am

GCM

IAD

18h 48m2 stops

$315American Airlines

Wed, Mar 4 - Mon, Mar 9

6:00 am - 3:25 pm

IAD

GCM

9h 25m1 stop

2:15 pm - 10:23 am

GCM

IAD

19h 08m1 stop

$316American Airlines

Thu, Mar 5 - Mon, Mar 9

8:25 am - 9:59 pm

IAD

AUA

12h 34m1 stop

3:46 pm - 3:13 am

AUA

IAD

12h 27m1 stop

$361Copa Airlines

Wed, Jan 21 - Fri, Jan 23

3:25 pm - 2:17 am

IAD

SDQ

9h 52m1 stop

12:40 pm - 3:13 am

SDQ

IAD

15h 33m1 stop

$406Copa Airlines

Sat, Jan 17 - Thu, Jan 29

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

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

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

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

American Airlines

Feb 23

IAD9:13 amWashington, D.C. Dulles Intl

11h 20m

1 stop

SJU9:33 pmSan Juan Luis Munoz Marin Intl

Feb 26

SJU6:15 pmSan Juan Luis Munoz Marin Intl

15h 28m

1 stop

IAD8:43 amWashington, D.C. Dulles Intl

$225

Find similar

American Airlines

Mar 4

IAD6:00 amWashington, D.C. Dulles Intl

9h 25m

1 stop

GCM3:25 pmGeorge Town Owen Roberts Intl

Mar 9

GCM2:35 pmGeorge Town Owen Roberts Intl

18h 48m

2 stops

IAD10:23 amWashington, D.C. Dulles Intl

$315

Find similar

American Airlines

Mar 5

IAD6:00 amWashington, D.C. Dulles Intl

9h 25m

1 stop

GCM3:25 pmGeorge Town Owen Roberts Intl

Mar 9

GCM2:15 pmGeorge Town Owen Roberts Intl

19h 08m

1 stop

IAD10:23 amWashington, D.C. Dulles Intl

$316

Find similar

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

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.Saint Thomas Island

IAD - STT

IADSTT

Washington, D.C. Dulles Intl

Sun 1/11

6:20 am-3:14 pm

1 stop7h 54m

Saint Thomas Island Cyril E King

Fri 1/16

3:10 pm-11:37 pm

1 stop9h 27m

$230

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

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

Washington, D.C.Saint Thomas Island

IAD - STT

IADSTT

Washington, D.C. Dulles Intl

Wed 1/7

6:20 am-4:10 pm

1 stop8h 50m

Saint Thomas Island Cyril E King

Mon 1/12

4:25 pm-11:37 pm

1 stop8h 12m

$278

Washington, D.C.George Town

IAD - GCM

IADGCM

Washington, D.C. Dulles Intl

Wed 3/4

6:00 am-3:25 pm

1 stop9h 25m

George Town Owen Roberts Intl

Mon 3/9

2:35 pm-10:23 am

2 stops18h 48m

$315

Washington, D.C.George Town

IAD - GCM

IADGCM

Washington, D.C. Dulles Intl

Thu 3/5

6:00 am-3:25 pm

1 stop9h 25m

George Town Owen Roberts Intl

Mon 3/9

2:15 pm-10:23 am

1 stop19h 08m

$316

Washington, D.C.Oranjestad

IAD - AUA

IADAUA

Washington, D.C. Dulles Intl

Wed 1/21

8:25 am-9:59 pm

1 stop12h 34m

Oranjestad Reina Beatrix

Fri 1/23

3:46 pm-3:13 am

1 stop12h 27m

$361

Washington, D.C.Santo Domingo

IAD - SDQ

IADSDQ

Washington, D.C. Dulles Intl

Sat 1/17

3:25 pm-2:17 am

1 stop9h 52m

Santo Domingo Las Americas

Thu 1/29

12:40 pm-3:13 am

1 stop15h 33m

$406

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, June 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 $298. If you don’t want to visit Caribbean in June, then you should wait until October to fly from Washington, D.C. Dulles Intl Airport, when ticket prices are also cheap, with an average price of $310.

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 Tuesday when prices can be found 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.

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

At noon 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 $238. Flying to Caribbean at noon is an ideal time because this is during off-peak travel hours. Flights in the afternoon are often more expensive with an average ticket price of $427.

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 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 $405 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 $326 on momondo.

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

There are 4 cabin classes available to choose from on Washington, D.C. Dulles Intl 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	$130
Fastest flight time	2h 55m
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 $130. The best round-trip flight deal from Washington, D.C. Dulles Intl Airport to Caribbean found on momondo in the last 72 hours is $282.

The fastest flight from Washington, D.C. Dulles Intl Airport to Caribbean takes 2h 55m

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).

Search flight deals

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 9 as of December 2025.
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 9, representing 23.65% of all bookings. The subsequent popular models are Boeing 737-900 at 16.73%, Boeing 737 MAX 8 at 11.87%, and Airbus A321neo at 11.22%.

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 $104	Free Cancellation	Rating 5.8 3,073 reviews	Search Frontier flights
Delta	PriceFrom $148	Free Cancellation	Rating 7.9 8,015 reviews	Search Delta flights
Spirit Airlines	PriceFrom $151	Free Cancellation	Rating 6.3 8,194 reviews	Search Spirit Airlines flights
Avianca	PriceFrom $167	Free Cancellation	Rating 6.6 2,491 reviews	Search Avianca flights
JetBlue	PriceFrom $168	Free Cancellation	Rating 7.2 2,898 reviews	Search JetBlue flights
American Airlines	PriceFrom $219	Free Cancellation	Rating 7.2 11,050 reviews	Search American Airlines flights
Copa Airlines	PriceFrom $238	Free Cancellation	Rating 7.6 1,557 reviews	Search Copa Airlines flights
United Airlines	PriceFrom $267	Free Cancellation	Rating 7.4 9,109 reviews	Search United Airlines flights
Air Canada	PriceFrom $425	Free Cancellation	Rating 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?

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.

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Cheap flights from Washington, D.C. Dulles Intl Airport to Caribbean from $77

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

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Our best American Airlines 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?

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 to Caribbean?

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

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

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

United Airlines, American Airlines, and Delta are the most popular carriers operating 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?

As of December 2025, 14 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 53% of daily flights taking off at noon.

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

100 flights are operational weekly from Washington, D.C. Dulles Intl Airport to Caribbean as of December 2025. The most popular departure day for this route is Mon, with 15% of flights per week taking off on this day.

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

Fastest flight time

Direct flights

Airports in Caribbean

When did momondo last update prices for flights from Washington, D.C. Dulles Intl Airport to Caribbean?

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

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

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

What is the most popular plane model 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?

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

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

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

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

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