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

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

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 68% 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.

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.

$95 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 February 2026, 10 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?

71 flights are operational weekly from Washington, D.C. Dulles Intl Airport to Caribbean as of February 2026. 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.

1:08 pm - 10:48 pm

IAD

SJU

9h 40m

1 stop

3:21 am - 11:35 am

SJU

IAD

8h 14m

1 stop

$190Frontier

Fri, Apr 24 - Wed, Apr 29

12:55 pm - 2:01 am

IAD

SJU

13h 06m

1 stop

3:03 pm - 12:36 am

SJU

IAD

9h 33m

1 stop

$192Frontier

Fri, Apr 10 - Thu, Apr 16

5:34 pm - 12:52 am

IAD

SJU

7h 18m

1 stop

3:03 pm - 12:36 am

SJU

IAD

9h 33m

1 stop

$194Frontier

Thu, Apr 9 - Thu, Apr 16

8:59 am - 12:56 pm

IAD

STT

3h 57mnonstop

12:02 pm - 4:25 pm

STT

IAD

4h 23mnonstop

$201United Airlines

Mon, Mar 23 - Thu, Mar 26

8:15 am - 12:20 pm

IAD

STT

4h 05mnonstop

2:10 pm - 12:17 am

STT

IAD

10h 07m

1 stop

$206United Airlines

Mon, Apr 13 - Thu, Apr 16

6:01 am - 2:45 pm

IAD

STT

8h 44m

1 stop

1:55 pm - 12:27 am

STT

IAD

10h 32m

1 stop

$220Delta

Tue, Mar 17 - Thu, Mar 19

2:18 am - 12:09 pm

IAD

AUA

9h 51m

1 stop

3:46 pm - 4:15 am

AUA

IAD

12h 29m

1 stop

$372Copa Airlines

Sun, Mar 22 - Thu, Mar 26

2:21 am - 12:08 pm

IAD

AUA

9h 47m

1 stop

7:19 am - 12:33 am

AUA

IAD

17h 14m

1 stop

$376Copa Airlines

Sat, May 9 - Sun, May 17

5:35 pm - 11:50 am

IAD

SDQ

18h 15m

2 stops

12:45 pm - 5:20 am

SDQ

IAD

16h 35m

1 stop

$402Avianca

Thu, Apr 16 - Sun, Apr 19

6:50 am - 5:55 pm

IAD

SDQ

11h 05m

1 stop

12:45 pm - 4:20 am

SDQ

IAD

39h 35m

2 stops

$403Avianca

Thu, May 7 - Sat, May 9

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

Mar 23

IAD8:59 amWashington, D.C. Dulles Intl

3h 57m

STT12:56 pmSaint Thomas Island Cyril E King

Mar 26

STT12:02 pmSaint Thomas Island Cyril E King

4h 23m

IAD4:25 pmWashington, D.C. Dulles Intl

$201

United Airlines

Apr 13

IAD8:15 amWashington, D.C. Dulles Intl

4h 05m

STT12:20 pmSaint Thomas Island Cyril E King

Apr 16

STT2:10 pmSaint Thomas Island Cyril E King

10h 07m

1 stop

IAD12:17 amWashington, D.C. Dulles Intl

$206

United Airlines

May 4

IAD6:00 amWashington, D.C. Dulles Intl

7h 08m

1 stop

STT1:08 pmSaint Thomas Island Cyril E King

May 7

STT2:10 pmSaint Thomas Island Cyril E King

9h 15m

1 stop

IAD11:25 pmWashington, D.C. Dulles Intl

$210

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

Mar 2

IAD8:20 pmWashington, D.C. Dulles Intl

3h 45m

SJU1:05 amSan Juan Luis Munoz Marin Intl

Apr 7

SJU4:33 pmSan Juan Luis Munoz Marin Intl

17h 38m

1 stop

IAD10:11 amWashington, D.C. Dulles Intl

$169

Frontier

Feb 28

IAD8:20 pmWashington, D.C. Dulles Intl

3h 45m

SJU1:05 amSan Juan Luis Munoz Marin Intl

Mar 7

SJU6:00 amSan Juan Luis Munoz Marin Intl

4h 08m

IAD9:08 amWashington, D.C. Dulles Intl

$174

Frontier

Mar 2

IAD8:20 pmWashington, D.C. Dulles Intl

3h 45m

SJU1:05 amSan Juan Luis Munoz Marin Intl

Mar 7

SJU6:00 amSan Juan Luis Munoz Marin Intl

4h 08m

IAD9:08 amWashington, D.C. Dulles Intl

$175

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

Fri 4/24

1:08 pm-10:48 pm

1 stop9h 40m

San Juan Luis Munoz Marin Intl

Wed 4/29

3:21 am-11:35 am

1 stop8h 14m

$190

Washington, D.C.San Juan

IAD - SJU

IADSJU

Washington, D.C. Dulles Intl

Fri 4/10

12:55 pm-2:01 am

1 stop13h 06m

San Juan Luis Munoz Marin Intl

Thu 4/16

3:03 pm-12:36 am

1 stop9h 33m

$192

Washington, D.C.San Juan

IAD - SJU

IADSJU

Washington, D.C. Dulles Intl

Thu 4/9

5:34 pm-12:52 am

1 stop7h 18m

San Juan Luis Munoz Marin Intl

Thu 4/16

3:03 pm-12:36 am

1 stop9h 33m

$194

Washington, D.C.Saint Thomas Island

IAD - STT

IADSTT

Washington, D.C. Dulles Intl

Mon 3/23

8:59 am-12:56 pm

Nonstop3h 57m

Saint Thomas Island Cyril E King

Thu 3/26

12:02 pm-4:25 pm

Nonstop4h 23m

$201

Washington, D.C.Saint Thomas Island

IAD - STT

IADSTT

Washington, D.C. Dulles Intl

Mon 4/13

8:15 am-12:20 pm

Nonstop4h 05m

Saint Thomas Island Cyril E King

Thu 4/16

2:10 pm-12:17 am

1 stop10h 07m

$206

Washington, D.C.Saint Thomas Island

IAD - STT

IADSTT

Washington, D.C. Dulles Intl

Tue 3/17

6:01 am-2:45 pm

1 stop8h 44m

Saint Thomas Island Cyril E King

Thu 3/19

1:55 pm-12:27 am

1 stop10h 32m

$220

Washington, D.C.Oranjestad

IAD - AUA

IADAUA

Washington, D.C. Dulles Intl

Sun 3/22

2:18 am-12:09 pm

1 stop9h 51m

Oranjestad Reina Beatrix

Thu 3/26

3:46 pm-4:15 am

1 stop12h 29m

$372

Washington, D.C.Oranjestad

IAD - AUA

IADAUA

Washington, D.C. Dulles Intl

Sat 5/9

2:21 am-12:08 pm

1 stop9h 47m

Oranjestad Reina Beatrix

Sun 5/17

7:19 am-12:33 am

1 stop17h 14m

$376

Washington, D.C.Santo Domingo

IAD - SDQ

IADSDQ

Washington, D.C. Dulles Intl

Thu 4/16

5:35 pm-11:50 am

2 stops18h 15m

Santo Domingo Las Americas

Sun 4/19

12:45 pm-5:20 am

1 stop16h 35m

$402

Washington, D.C.Santo Domingo

IAD - SDQ

IADSDQ

Washington, D.C. Dulles Intl

Thu 5/7

6:50 am-5:55 pm

1 stop11h 05m

Santo Domingo Las Americas

Sat 5/9

12:45 pm-4:20 am

2 stops39h 35m

$403

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 $301. 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 $303.

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 $337. If your travel schedule is flexible, try to avoid departing on a Wednesday because tickets tend to average around $485. 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 $436.

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 $388 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 $339 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	$126
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 $126. The best round-trip flight deal from Washington, D.C. Dulles Intl Airport to Caribbean found on momondo in the last 72 hours is $275.

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 February 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 9, representing 27.77% of all bookings. The subsequent popular models are Boeing 737 MAX 8 at 17.05%, Boeing 737-900 at 13.42%, and Airbus A321 (sharklets) at 8.19%.

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 5.7 3,041 reviews	Search Frontier flights
Delta	PriceFrom $136	Free Cancellation	Rating 7.9 8,245 reviews	Search Delta flights
American Airlines	PriceFrom $145	Free Cancellation	Rating 7.1 11,367 reviews	Search American Airlines flights
Spirit Airlines	PriceFrom $150	Free Cancellation	Rating 6.3 8,492 reviews	Search Spirit Airlines flights
JetBlue	PriceFrom $161	Free Cancellation	Rating 7.2 2,895 reviews	Search JetBlue flights
Avianca	PriceFrom $162	Free Cancellation	Rating 6.5 2,495 reviews	Search Avianca flights
Copa Airlines	PriceFrom $210	Free Cancellation	Rating 7.5 1,557 reviews	Search Copa Airlines flights
United Airlines	PriceFrom $246	Free Cancellation	Rating 7.4 9,362 reviews	Search United Airlines flights
Air Canada	PriceFrom $389	Free Cancellation	Rating 7.1 10,757 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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Popular cities in Caribbean

Flights to San Juanfrom $61

Flights to Punta Canafrom $200

Flights to Santo Domingofrom $185

Flights to Montego Bayfrom $223

Flights to Oranjestadfrom $182

Flights to Nassaufrom $257

Flights to Santiago de los Caballerosfrom $145

Flights to Saint Thomas Islandfrom $163

Flights to Kingstonfrom $264

Flights to Simpson Bayfrom $213

Flights to Willemstadfrom $229

Flights to Port of Spainfrom $242

Cheap flights from Washington, D.C. Dulles Intl Airport to Caribbean from $95

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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 to Caribbean?

What cabin class options are available on Washington, D.C. Dulles Intl 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

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

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

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According to popular flight searches on momondo this year