What airlines fly to Caribbean Islands?

United Airlines, Frontier and Delta are the top three most popular airlines that fly to Caribbean Islands from Washington, D.C. Dulles Intl Airport according to our data. United Airlines is the first choice among our users, with 69% of people opting to fly with this airline when traveling to Caribbean Islands. Keep in mind that there are 9 different airlines that fly to Caribbean Islands 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 Islands?

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

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

As of December 2025, there are 9 operators available to choose from for flights from Washington, D.C. Dulles Intl Airport to Caribbean Islands.

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

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. Dulles Intl Airport to Caribbean Islands.

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

The necessary travel and health documents for your Caribbean Islands trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

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

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

As of December 2025, there are 14 flights per day flying from Washington, D.C. Dulles Intl Airport to Caribbean Islands. The most common time of day flights depart is 8:00AM, with 53% of flights taking off at noon.

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

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

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

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

4:17 pm - 9:02 pm

IAD

SJU

3h 45mnonstop

6:00 am - 2:18 pm

SJU

IAD

9h 18m2 stops

$178Multiple Airlines

Sat, Jan 17 - Fri, Jan 23

7:14 pm - 11:59 pm

IAD

SJU

3h 45mnonstop

8:05 pm - 2:18 pm

SJU

IAD

19h 13m2 stops

$179Multiple Airlines

Mon, Jan 19 - Sun, Jan 25

8:59 am - 1:56 pm

IAD

STT

3h 57mnonstop

5:25 pm - 11:18 pm

STT

IAD

6h 53m1 stop

$216United Airlines

Tue, Jan 13 - Thu, Jan 22

6:00 am - 4:10 pm

IAD

STT

9h 10m1 stop

3:10 pm - 12:24 am

STT

IAD

10h 14m1 stop

$219Delta

Mon, Jan 19 - Tue, Jan 27

6:00 am - 4:10 pm

IAD

STT

9h 10m1 stop

3:10 pm - 8:45 pm

STT

IAD

6h 35m1 stop

$220Delta

Mon, Jan 19 - Tue, Jan 27

8:59 am - 1:56 pm

IAD

STT

3h 57mnonstop

1:02 pm - 4:25 pm

STT

IAD

4h 23mnonstop

$232United Airlines

Sun, Jan 11 - Thu, Jan 15

1:08 pm - 11:50 am

IAD

GCM

22h 42m2 stops

3:45 pm - 10:58 am

GCM

IAD

19h 13m2 stops

$315American Airlines

Sat, Jan 24 - Sat, Jan 31

11:34 am - 11:26 am

IAD

GCM

23h 52m1 stop

12:16 pm - 11:12 pm

GCM

IAD

10h 56m1 stop

$316American Airlines

Fri, Jan 30 - Fri, Feb 6

1:12 am - 10:28 am

IAD

NAS

9h 16m1 stop

11:30 am - 3:15 am

NAS

IAD

15h 45m1 stop

$341Copa Airlines

Tue, Jan 27 - Mon, Feb 2

2:21 am - 2:42 pm

IAD

AUA

12h 21m1 stop

7:06 am - 12:33 am

AUA

IAD

17h 27m1 stop

$358Copa Airlines

Sat, May 9 - Sun, May 17

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

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

American Airlines

Jan 14

IAD6:00 amWashington, D.C. Dulles Intl

15h 26m

1 stop

SJU10:26 pmSan Juan Luis Munoz Marin Intl

Jan 25

SJU3:49 pmSan Juan Luis Munoz Marin Intl

8h 23m

1 stop

IAD11:12 pmWashington, D.C. Dulles Intl

$209

Find similar

American Airlines

Jan 8

IAD7:01 amWashington, D.C. Dulles Intl

12h 49m

1 stop

SJU8:50 pmSan Juan Luis Munoz Marin Intl

Jan 13

SJU7:07 amSan Juan Luis Munoz Marin Intl

15h 10m

1 stop

IAD9:17 pmWashington, D.C. Dulles Intl

$224

Find similar

American Airlines

Feb 9

IAD7:01 amWashington, D.C. Dulles Intl

12h 49m

1 stop

SJU8:50 pmSan Juan Luis Munoz Marin Intl

Feb 18

SJU7:30 amSan Juan Luis Munoz Marin Intl

16h 18m

1 stop

IAD10:48 pmWashington, D.C. Dulles Intl

$225

Find similar

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

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

Frontier

Jan 5

IAD8:26 pmWashington, D.C. Dulles Intl

3h 54m

SJU1:20 amSan Juan Luis Munoz Marin Intl

Jan 9

SJU3:11 pmSan Juan Luis Munoz Marin Intl

4h 13m

IAD6:24 pmWashington, D.C. Dulles Intl

$179

Find similar

Frontier

Jan 10

IAD10:03 amWashington, D.C. Dulles Intl

6h 05m

1 stop

SJU5:08 pmSan Juan Luis Munoz Marin Intl

Jan 12

SJU6:30 amSan Juan Luis Munoz Marin Intl

8h 38m

1 stop

IAD2:08 pmWashington, D.C. Dulles Intl

$180

Find similar

Frontier

Feb 23

IAD8:54 amWashington, D.C. Dulles Intl

24h 00m

1 stop

SJU9:54 amSan Juan Luis Munoz Marin Intl

Feb 28

SJU5:25 pmSan Juan Luis Munoz Marin Intl

17h 00m

1 stop

IAD9:25 amWashington, D.C. Dulles Intl

$181

Find similar

momondo Fare Finder

Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport 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

Sat 1/17

4:17 pm-9:02 pm

Nonstop3h 45m

San Juan Luis Munoz Marin Intl

Fri 1/23

6:00 am-2:18 pm

2 stops9h 18m

$178

Washington, D.C.San Juan

IAD - SJU

IADSJU

Washington, D.C. Dulles Intl

Mon 1/19

7:14 pm-11:59 pm

Nonstop3h 45m

San Juan Luis Munoz Marin Intl

Sun 1/25

8:05 pm-2:18 pm

2 stops19h 13m

$179

Washington, D.C.Saint Thomas Island

IAD - STT

IADSTT

Washington, D.C. Dulles Intl

Tue 1/13

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

$216

Washington, D.C.Saint Thomas Island

IAD - STT

IADSTT

Washington, D.C. Dulles Intl

Mon 1/19

6:00 am-4:10 pm

1 stop9h 10m

Saint Thomas Island Cyril E King

Tue 1/27

3:10 pm-12:24 am

1 stop10h 14m

$219

Washington, D.C.Saint Thomas Island

IAD - STT

IADSTT

Washington, D.C. Dulles Intl

Mon 1/19

6:00 am-4:10 pm

1 stop9h 10m

Saint Thomas Island Cyril E King

Tue 1/27

3:10 pm-8:45 pm

1 stop6h 35m

$220

Washington, D.C.Saint Thomas Island

IAD - STT

IADSTT

Washington, D.C. Dulles Intl

Sun 1/11

8:59 am-1:56 pm

Nonstop3h 57m

Saint Thomas Island Cyril E King

Thu 1/15

1:02 pm-4:25 pm

Nonstop4h 23m

$232

Washington, D.C.George Town

IAD - GCM

IADGCM

Washington, D.C. Dulles Intl

Sat 1/24

1:08 pm-11:50 am

2 stops22h 42m

George Town Owen Roberts Intl

Sat 1/31

3:45 pm-10:58 am

2 stops19h 13m

$315

Washington, D.C.George Town

IAD - GCM

IADGCM

Washington, D.C. Dulles Intl

Fri 1/30

11:34 am-11:26 am

1 stop23h 52m

George Town Owen Roberts Intl

Fri 2/6

12:16 pm-11:12 pm

1 stop10h 56m

$316

Washington, D.C.Nassau

IAD - NAS

IADNAS

Washington, D.C. Dulles Intl

Tue 1/27

1:12 am-10:28 am

1 stop9h 16m

Nassau Intl

Mon 2/2

11:30 am-3:15 am

1 stop15h 45m

$341

Washington, D.C.Oranjestad

IAD - AUA

IADAUA

Washington, D.C. Dulles Intl

Sat 5/9

2:21 am-2:42 pm

1 stop12h 21m

Oranjestad Reina Beatrix

Sun 5/17

7:06 am-12:33 am

1 stop17h 27m

$358

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 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

Prices

Airlines

Other information

What is the cheapest month to fly to Caribbean Islands?

The month of June is, on average, the cheapest month to fly to Caribbean Islands from Washington, D.C. Dulles Intl Airport, with most prices found around $298. The month of October is another great option to travel to Caribbean Islands, with average flight prices from Washington, D.C. Dulles Intl Airport averaging around $310.

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

The cheapest day to depart from Washington, D.C. Dulles Intl Airport 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. Dulles Intl Airport 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. Dulles Intl 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. Dulles Intl - 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. Dulles Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Caribbean Islands for around $402 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. Dulles Intl Airport for as low as $326 on momondo.

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

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

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

Cheap Washington, D.C. Dulles Intl Airport to Caribbean Islands 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 Islands

Fastest flight time	2h 55m
Direct flights	Every day
Airports in Caribbean Islands	99 airports

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

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

There are 99 airports in Caribbean Islands. From Washington, D.C. Dulles Intl Airport there are direct flights to Nassau Intl (NAS), Providenciales (PLS).

Search flight deals

When did momondo last update prices for flights from Washington, D.C. Dulles Intl Airport to Caribbean Islands?
Prices for flights from Washington, D.C. Dulles Intl Airport to Caribbean Islands refresh daily.
How many operators does momondo search for flights from Washington, D.C. Dulles Intl Airport to Caribbean Islands?
As of December 2025, there are 9 operators available to choose from for flights from Washington, D.C. Dulles Intl Airport to Caribbean Islands.
How old do you have to be to fly from Washington, D.C. Dulles Intl Airport to Caribbean Islands?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. Dulles Intl Airport to Caribbean Islands.
What documentation or ID do you need to fly to Caribbean Islands?
The necessary travel and health documents for your Caribbean Islands trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Washington, D.C. Dulles Intl Airport to Caribbean Islands?
momondo data reveals that the most frequently booked plane model on the route from Washington, D.C. Dulles Intl Airport to Caribbean Islands is Airbus A320neo, representing 14.35% of all bookings. The subsequent popular models are Boeing 777 at 12.01%, Boeing 737 MAX 9 at 8.02%, and Boeing 737-900 at 7.83%.

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

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

Airline	Rating	Free Cancellation	Price
Frontier	PriceFrom $104	Free Cancellation	Rating 5.7 3,063 reviews	Search Frontier flights
Delta	PriceFrom $148	Free Cancellation	Rating 7.9 8,017 reviews	Search Delta flights
Spirit Airlines	PriceFrom $151	Free Cancellation	Rating 6.3 8,218 reviews	Search Spirit Airlines flights
Avianca	PriceFrom $167	Free Cancellation	Rating 6.6 2,489 reviews	Search Avianca flights
JetBlue	PriceFrom $168	Free Cancellation	Rating 7.2 2,902 reviews	Search JetBlue flights
American Airlines	PriceFrom $219	Free Cancellation	Rating 7.2 11,071 reviews	Search American Airlines flights
Copa Airlines	PriceFrom $238	Free Cancellation	Rating 7.6 1,561 reviews	Search Copa Airlines flights
United Airlines	PriceFrom $267	Free Cancellation	Rating 7.4 9,117 reviews	Search United Airlines flights
Air Canada	PriceFrom $425	Free Cancellation	Rating 7.1 10,563 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?

Finding the right flight to Caribbean Islands from Washington, D.C. is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Caribbean Islands quick and easy, saving you time and money.

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 for Washington, D.C. to Caribbean Islands flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Price alerts on flights to Caribbean Islands from Washington, D.C. are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Caribbean Islands 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

Tue 1/27

Tue 2/3

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 Islands

Popular cities in Caribbean Islands

Flights to New Yorkfrom $50

Flights to Londonfrom $344

Flights to Bangkokfrom $532

Flights to Tokyofrom $223

Flights to Los Angelesfrom $47

Flights to Parisfrom $352

Flights to Copenhagenfrom $365

Flights to Istanbulfrom $422

Flights to Manilafrom $540

Flights to Romefrom $336

Flights to Miamifrom $50

Flights to Chicagofrom $51

Washington, D.C. Dulles Intl Airport flight routes

Flights from Washington, D.C. Dulles Intl to Tweed-New Haven

Flights from Washington, D.C. Dulles Intl to Miami

Flights from Washington, D.C. Dulles Intl to Tampa

Flights from Washington, D.C. Dulles Intl to Orlando

Flights from Washington, D.C. Dulles Intl to Wilmington New Hanover County

Flights from Washington, D.C. Dulles Intl to Asheville Regional

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

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

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

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Cheap direct flights

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

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

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

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

momondo Fare Finder

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

See travel insights to Caribbean Islands from

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

What is the cheapest month to fly to Caribbean Islands?

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

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

What is the cheapest Washington, D.C. Dulles Intl 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. Dulles Intl - Caribbean Islands flight prices

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

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

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

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

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

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

What airlines fly to Caribbean Islands?

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

As of December 2025, there are 14 flights per day flying from Washington, D.C. Dulles Intl Airport to Caribbean Islands. The most common time of day flights depart is 8:00AM, with 53% of flights taking off at noon.

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

As of December 2025, 101 flights take off from Washington, D.C. Dulles Intl Airport and land in Caribbean Islands each week. The most common flight departure day for this route is Fri, with 15% of weekly flights taking off on this day.

Cheap Washington, D.C. Dulles Intl Airport to Caribbean Islands 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 Islands

Fastest flight time

Direct flights

Airports in Caribbean Islands

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

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

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

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

What is the most popular plane model from Washington, D.C. Dulles Intl Airport to Caribbean Islands?

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

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

Why use momondo?

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

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

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

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

An easier way to manage your Caribbean Islands 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 Islands

Popular cities in Caribbean Islands

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