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

United Airlines, American Airlines, and Frontier 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 75% 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 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 July 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.

$68 Cheap Flights from Washington, D.C. Dulles Intl Airport to Caribbean in 2025

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

As of July 2025, 7 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 64% 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?

49 flights are operational weekly from Washington, D.C. Dulles Intl Airport to Caribbean as of July 2025. The most popular departure day for this route is Wed, with 16% 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

10:09 am - 3:01 pmIAD-SJU

3h 52mnonstop

6:25 am - 9:21 amSJU-IAD

3h 56mnonstop

$91Frontier

Find Deal

Sun, Nov 9 - Thu, Nov 13

5:32 pm - 10:22 pmIAD-SJU

3h 50mnonstop

8:30 am - 11:35 amSJU-IAD

4h 05mnonstop

$136United Airlines

Find Deal

Sun, Nov 9 - Thu, Nov 13

11:44 am - 3:36 pmIAD-SJU

3h 52mnonstop

7:00 am - 10:56 amSJU-IAD

3h 56mnonstop

$140Frontier

Find Deal

Thu, Oct 23 - Sun, Oct 26

8:39 am - 12:34 pmIAD-SJU

3h 55mnonstop

7:30 am - 11:35 amSJU-IAD

4h 05mnonstop

$181United Airlines

Find Deal

Mon, Oct 20 - Tue, Oct 28

2:18 pm - 10:10 pmIAD-SJU

7h 52m1 stop

7:10 am - 11:50 pmSJU-IAD

16h 40m1 stop

$195American Airlines

Find Deal

Tue, Oct 21 - Sun, Oct 26

6:00 am - 1:10 pmIAD-SJU

7h 10m1 stop

5:41 pm - 12:13 amSJU-IAD

6h 32m1 stop

$215Delta

Find Deal

Mon, Sep 8 - Fri, Sep 19

12:27 pm - 9:59 pmIAD-SJU

9h 32m1 stop

2:05 pm - 11:01 pmSJU-IAD

8h 56m1 stop

$225Delta

Find Deal

Sat, Oct 18 - Sat, Oct 25

8:14 pm - 1:25 pmIAD-SJU

16h 11m1 stop

2:30 pm - 11:55 pmSJU-IAD

10h 25m1 stop

$243American Airlines

Find Deal

Sun, Dec 7 - Thu, Dec 11

2:13 am - 11:32 amIAD-NAS

9h 19m1 stop

11:35 am - 11:33 pmNAS-IAD

11h 58m1 stop

$383Copa Airlines

Find Deal

Fri, Oct 31 - Sat, Nov 8

3:31 pm - 10:32 amIAD-NAS

19h 01m1 stop

11:35 am - 11:33 pmNAS-IAD

11h 58m1 stop

$403Copa Airlines

Find Deal

Sat, Nov 15 - Sat, Nov 22

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

Nov 9

IAD10:09 amWashington, D.C. Dulles Intl

3h 52m

SJU3:01 pmSan Juan Luis Munoz Marin Intl

Nov 13

SJU6:25 amSan Juan Luis Munoz Marin Intl

3h 56m

IAD9:21 amWashington, D.C. Dulles Intl

$91

Find similar

Frontier

Oct 23

IAD11:44 amWashington, D.C. Dulles Intl

3h 52m

SJU3:36 pmSan Juan Luis Munoz Marin Intl

Oct 26

SJU7:00 amSan Juan Luis Munoz Marin Intl

3h 56m

IAD10:56 amWashington, D.C. Dulles Intl

$140

Find similar

Frontier

Aug 17

IAD12:31 pmWashington, D.C. Dulles Intl

3h 57m

SJU4:28 pmSan Juan Luis Munoz Marin Intl

Aug 21

SJU6:51 amSan Juan Luis Munoz Marin Intl

3h 56m

IAD10:47 amWashington, D.C. Dulles Intl

$143

Find similar

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

Nov 9

IAD5:32 pmWashington, D.C. Dulles Intl

3h 50m

SJU10:22 pmSan Juan Luis Munoz Marin Intl

Nov 13

SJU8:30 amSan Juan Luis Munoz Marin Intl

4h 05m

IAD11:35 amWashington, D.C. Dulles Intl

$136

Find similar

United Airlines

Oct 20

IAD8:39 amWashington, D.C. Dulles Intl

3h 55m

SJU12:34 pmSan Juan Luis Munoz Marin Intl

Oct 28

SJU7:30 amSan Juan Luis Munoz Marin Intl

4h 05m

IAD11:35 amWashington, D.C. Dulles Intl

$181

Find similar

United Airlines

Nov 9

IAD6:30 amWashington, D.C. Dulles Intl

8h 10m

1 stop

SJU3:40 pmSan Juan Luis Munoz Marin Intl

Nov 13

SJU5:50 pmSan Juan Luis Munoz Marin Intl

4h 05m

IAD8:55 pmWashington, D.C. Dulles Intl

$186

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

Sun 11/9

10:09 am-3:01 pm

Nonstop3h 52m

San Juan Luis Munoz Marin Intl

Thu 11/13

6:25 am-9:21 am

Nonstop3h 56m

$91

Washington, D.C.San Juan

IAD - SJU

IADSJU

Washington, D.C. Dulles Intl

Sun 11/9

5:32 pm-10:22 pm

Nonstop3h 50m

San Juan Luis Munoz Marin Intl

Thu 11/13

8:30 am-11:35 am

Nonstop4h 05m

$136

Washington, D.C.San Juan

IAD - SJU

IADSJU

Washington, D.C. Dulles Intl

Thu 10/23

11:44 am-3:36 pm

Nonstop3h 52m

San Juan Luis Munoz Marin Intl

Sun 10/26

7:00 am-10:56 am

Nonstop3h 56m

$140

Washington, D.C.San Juan

IAD - SJU

IADSJU

Washington, D.C. Dulles Intl

Mon 10/20

8:39 am-12:34 pm

Nonstop3h 55m

San Juan Luis Munoz Marin Intl

Tue 10/28

7:30 am-11:35 am

Nonstop4h 05m

$181

Washington, D.C.San Juan

IAD - SJU

IADSJU

Washington, D.C. Dulles Intl

Tue 10/21

2:18 pm-10:10 pm

1 stop7h 52m

San Juan Luis Munoz Marin Intl

Sun 10/26

7:10 am-11:50 pm

1 stop16h 40m

$195

Washington, D.C.San Juan

IAD - SJU

IADSJU

Washington, D.C. Dulles Intl

Mon 9/8

6:00 am-1:10 pm

1 stop7h 10m

San Juan Luis Munoz Marin Intl

Fri 9/19

5:41 pm-12:13 am

1 stop6h 32m

$215

Washington, D.C.San Juan

IAD - SJU

IADSJU

Washington, D.C. Dulles Intl

Sat 10/18

12:27 pm-9:59 pm

1 stop9h 32m

San Juan Luis Munoz Marin Intl

Sat 10/25

2:05 pm-11:01 pm

1 stop8h 56m

$225

Washington, D.C.San Juan

IAD - SJU

IADSJU

Washington, D.C. Dulles Intl

Sun 12/7

8:14 pm-1:25 pm

1 stop16h 11m

San Juan Luis Munoz Marin Intl

Thu 12/11

2:30 pm-11:55 pm

1 stop10h 25m

$243

Washington, D.C.Nassau

IAD - NAS

IADNAS

Washington, D.C. Dulles Intl

Fri 10/31

2:13 am-11:32 am

1 stop9h 19m

Nassau Intl

Sat 11/8

11:35 am-11:33 pm

1 stop11h 58m

$383

Washington, D.C.Nassau

IAD - NAS

IADNAS

Washington, D.C. Dulles Intl

Sat 11/15

3:31 pm-10:32 am

1 stop19h 01m

Nassau Intl

Sat 11/22

11:35 am-11:33 pm

1 stop11h 58m

$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 $303. 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 $392.

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 $329. If your travel schedule is flexible, try to avoid departing on a Friday because tickets tend to average around $548. 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 evening are often more expensive with an average ticket price of $698.

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 $444 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 $344 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?

You could potentially save up to 9% on your flight if you consider stops on a Washington, D.C. Dulles Intl Airport to Caribbean flight.

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	$68
Fastest flight time	3h 00m
Direct flights	Every day
Airports in Caribbean	7 airports

The best one-way flight to Caribbean from Washington, D.C. Dulles Intl Airport in the past 72 hours is $68. The best round-trip flight deal from Washington, D.C. Dulles Intl Airport to Caribbean found on momondo in the last 72 hours is $91.

The fastest flight from Washington, D.C. Dulles Intl Airport to Caribbean takes 3h 00m

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

There are 7 airports near Caribbean: Nassau Intl (NAS), Saint Thomas Island Cyril E King (STT), Montego Bay Sangster Intl (MBJ), Punta Cana (PUJ), Providenciales (PLS), Oranjestad Reina Beatrix (AUA), San Juan Luis Munoz Marin Intl (SJU)

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 July 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 8, representing 25.29% of all bookings. The subsequent popular models are Boeing 737-900 at 13.72%, Airbus A321-100/200 at 11.65%, and Airbus A321neo at 11.50%.

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 $115	Free Cancellation	Rating 5.9 3,239 reviews	Search Frontier flights
Spirit Airlines	PriceFrom $135	Free Cancellation	Rating 6.3 8,048 reviews	Search Spirit Airlines flights
Avianca	PriceFrom $162	Free Cancellation	Rating 6.7 2,388 reviews	Search Avianca flights
JetBlue	PriceFrom $203	Free Cancellation	Rating 7.2 2,914 reviews	Search JetBlue flights
Delta	PriceFrom $206	Free Cancellation	Rating 8.0 7,981 reviews	Search Delta flights
American Airlines	PriceFrom $224	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
United Airlines	PriceFrom $284	Free Cancellation	Rating 7.4 8,900 reviews	Search United Airlines flights
Copa Airlines	PriceFrom $347	Free Cancellation	Rating 7.5 1,493 reviews	Search Copa Airlines flights
Air Canada	PriceFrom $450	Free Cancellation	Rating 7.1 9,851 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 $68

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

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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

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

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

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?

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?

You could potentially save up to 9% on your flight if you consider stops on a Washington, D.C. Dulles Intl Airport to Caribbean flight.

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

United Airlines, American Airlines, and Frontier 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 July 2025, 7 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 64% of daily flights taking off at noon.

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

49 flights are operational weekly from Washington, D.C. Dulles Intl Airport to Caribbean as of July 2025. The most popular departure day for this route is Wed, with 16% 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