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

Frontier, United Airlines, and Avelo Airlines 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 74% 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.

$117 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 week?

7 flights are operational weekly from Washington, D.C. Dulles Intl Airport to Caribbean as of September 2025. The most popular departure day for this route is Mon, with 14% of flights per week taking off on this day.

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

As of September 2025, 1 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 100% of daily flights taking off at noon.

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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

7:26 pm - 12:18 amIAD-SJU

3h 52mnonstop

4:08 pm - 7:11 pmSJU-IAD

4h 03mnonstop

$168Frontier

Find Deal

Sun, Nov 16 - Fri, Nov 21

7:26 pm - 12:18 amIAD-SJU

3h 52mnonstop

3:45 pm - 6:41 pmSJU-IAD

3h 56mnonstop

$171Frontier

Find Deal

Sun, Nov 2 - Sun, Nov 9

6:00 am - 2:10 pmIAD-SJU

7h 10m1 stop

7:00 am - 5:01 pmSJU-IAD

11h 01m1 stop

$245Delta

Find Deal

Mon, Dec 8 - Wed, Dec 10

1:18 am - 2:44 pmIAD-AUA

12h 26m1 stop

1:15 pm - 3:15 amAUA-IAD

15h 00m1 stop

$385Copa Airlines

Find Deal

Sat, Feb 21 - Thu, Mar 5

2:25 am - 4:15 pmIAD-SDQ

13h 50m1 stop

11:57 am - 12:30 amSDQ-IAD

12h 33m1 stop

$387Copa Airlines

Find Deal

Tue, Oct 14 - Wed, Oct 22

6:15 am - 3:25 pmIAD-AUA

9h 10m1 stop

4:25 pm - 7:32 amAUA-IAD

15h 07m1 stop

$389United Airlines

Find Deal

Sun, Oct 12 - Wed, Oct 15

6:00 am - 3:25 pmIAD-AUA

9h 25m1 stop

1:50 pm - 10:58 pmAUA-IAD

9h 08m1 stop

$394United Airlines

Find Deal

Mon, Oct 27 - Fri, Oct 31

8:09 pm - 1:59 pmIAD-NAS

17h 50m1 stop

7:49 am - 11:07 pmNAS-IAD

15h 18m2 stops

$407American Airlines

Find Deal

Sat, Nov 8 - Tue, Nov 11

6:34 am - 10:43 amIAD-NAS

28h 09m2 stops

3:02 pm - 11:07 pmNAS-IAD

8h 05m1 stop

$419American Airlines

Find Deal

Sat, Nov 1 - Tue, Nov 4

7:00 am - 1:30 pmIAD-NAS

6h 30m1 stop

6:10 pm - 12:07 amNAS-IAD

5h 57m1 stop

$425Delta

Find Deal

Wed, Jan 28 - Mon, Feb 2

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 16

IAD7:26 pmWashington, D.C. Dulles Intl

3h 52m

SJU12:18 amSan Juan Luis Munoz Marin Intl

Nov 21

SJU4:08 pmSan Juan Luis Munoz Marin Intl

4h 03m

IAD7:11 pmWashington, D.C. Dulles Intl

$168

Find similar

Frontier

Nov 2

IAD7:26 pmWashington, D.C. Dulles Intl

3h 52m

SJU12:18 amSan Juan Luis Munoz Marin Intl

Nov 9

SJU3:45 pmSan Juan Luis Munoz Marin Intl

3h 56m

IAD6:41 pmWashington, D.C. Dulles Intl

$171

Find similar

Frontier

Nov 2

IAD7:26 pmWashington, D.C. Dulles Intl

3h 52m

SJU12:18 amSan Juan Luis Munoz Marin Intl

Nov 9

SJU3:45 pmSan Juan Luis Munoz Marin Intl

3h 56m

IAD6:41 pmWashington, D.C. Dulles Intl

$181

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

Sep 29

IAD8:39 amWashington, D.C. Dulles Intl

3h 55m

SJU12:34 pmSan Juan Luis Munoz Marin Intl

Oct 8

SJU4:55 pmSan Juan Luis Munoz Marin Intl

3h 57m

IAD8:52 pmWashington, D.C. Dulles Intl

$303

Find similar

United Airlines

Oct 1

IAD10:45 amWashington, D.C. Dulles Intl

9h 53m

1 stop

SJU8:38 pmSan Juan Luis Munoz Marin Intl

Oct 7

SJU4:55 pmSan Juan Luis Munoz Marin Intl

3h 57m

IAD8:52 pmWashington, D.C. Dulles Intl

$308

Find similar

United Airlines

Sep 30

IAD8:39 amWashington, D.C. Dulles Intl

3h 55m

SJU12:34 pmSan Juan Luis Munoz Marin Intl

Oct 3

SJU4:55 pmSan Juan Luis Munoz Marin Intl

3h 57m

IAD8:52 pmWashington, D.C. Dulles Intl

$310

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 11/16

7:26 pm-12:18 am

Nonstop3h 52m

San Juan Luis Munoz Marin Intl

Fri 11/21

4:08 pm-7:11 pm

Nonstop4h 03m

$168

Washington, D.C.San Juan

IAD - SJU

IADSJU

Washington, D.C. Dulles Intl

Sun 11/2

7:26 pm-12:18 am

Nonstop3h 52m

San Juan Luis Munoz Marin Intl

Sun 11/9

3:45 pm-6:41 pm

Nonstop3h 56m

$171

Washington, D.C.San Juan

IAD - SJU

IADSJU

Washington, D.C. Dulles Intl

Mon 12/8

6:00 am-2:10 pm

1 stop7h 10m

San Juan Luis Munoz Marin Intl

Wed 12/10

7:00 am-5:01 pm

1 stop11h 01m

$245

Washington, D.C.Oranjestad

IAD - AUA

IADAUA

Washington, D.C. Dulles Intl

Sat 2/21

1:18 am-2:44 pm

1 stop12h 26m

Oranjestad Reina Beatrix

Thu 3/5

1:15 pm-3:15 am

1 stop15h 00m

$385

Washington, D.C.Santo Domingo

IAD - SDQ

IADSDQ

Washington, D.C. Dulles Intl

Tue 10/14

2:25 am-4:15 pm

1 stop13h 50m

Santo Domingo Las Americas

Wed 10/22

11:57 am-12:30 am

1 stop12h 33m

$387

Washington, D.C.Oranjestad

IAD - AUA

IADAUA

Washington, D.C. Dulles Intl

Sun 10/12

6:15 am-3:25 pm

1 stop9h 10m

Oranjestad Reina Beatrix

Wed 10/15

4:25 pm-7:32 am

1 stop15h 07m

$389

Washington, D.C.Oranjestad

IAD - AUA

IADAUA

Washington, D.C. Dulles Intl

Mon 10/27

6:00 am-3:25 pm

1 stop9h 25m

Oranjestad Reina Beatrix

Fri 10/31

1:50 pm-10:58 pm

1 stop9h 08m

$394

Washington, D.C.Nassau

IAD - NAS

IADNAS

Washington, D.C. Dulles Intl

Sat 11/8

8:09 pm-1:59 pm

1 stop17h 50m

Nassau Intl

Tue 11/11

7:49 am-11:07 pm

2 stops15h 18m

$407

Washington, D.C.Nassau

IAD - NAS

IADNAS

Washington, D.C. Dulles Intl

Sat 11/1

6:34 am-10:43 am

2 stops28h 09m

Nassau Intl

Tue 11/4

3:02 pm-11:07 pm

1 stop8h 05m

$419

Washington, D.C.Nassau

IAD - NAS

IADNAS

Washington, D.C. Dulles Intl

Wed 1/28

7:00 am-1:30 pm

1 stop6h 30m

Nassau Intl

Mon 2/2

6:10 pm-12:07 am

1 stop5h 57m

$425

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 August to fly from Washington, D.C. Dulles Intl Airport, when ticket prices are also cheap, with an average price of $345.

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 $327. If your travel schedule is flexible, try to avoid departing on a Friday because tickets tend to average around $547. 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 $576.

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 $431 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 $353 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	$173
Fastest flight time	3h 00m
Direct flights	Every day
Airports in Caribbean	2 airports

The best one-way flight to Caribbean from Washington, D.C. Dulles Intl Airport in the past 72 hours is $173. The best round-trip flight deal from Washington, D.C. Dulles Intl Airport to Caribbean found on momondo in the last 72 hours is $297.

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 2 airports near Caribbean: 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?
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 September 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 21.25% of all bookings. The subsequent popular models are Boeing 737-900 at 15.81%, Boeing 737 MAX 9 at 13.60%, and Airbus A321-100/200 at 13.32%.

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 5.8 3,173 reviews	Search Frontier flights
Spirit Airlines	PriceFrom $135	Free Cancellation	Rating 6.3 8,023 reviews	Search Spirit Airlines flights
American Airlines	PriceFrom $145	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
Delta	PriceFrom $164	Free Cancellation	Rating 7.9 7,961 reviews	Search Delta flights
Avianca	PriceFrom $167	Free Cancellation	Rating 6.7 2,436 reviews	Search Avianca flights
JetBlue	PriceFrom $168	Free Cancellation	Rating 7.2 2,914 reviews	Search JetBlue flights
United Airlines	PriceFrom $277	Free Cancellation	Rating 7.4 8,926 reviews	Search United Airlines flights
Copa Airlines	PriceFrom $355	Free Cancellation	Rating 7.6 1,533 reviews	Search Copa Airlines flights
Air Canada	PriceFrom $450	Free Cancellation	Rating 7.1 10,000 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 $117

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

Cheap round-trip flights

Cheap one-way flights

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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?

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?

Frontier, United Airlines, and Avelo Airlines 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 September 2025, 1 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 100% of daily flights taking off at noon.

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

7 flights are operational weekly from Washington, D.C. Dulles Intl Airport to Caribbean as of September 2025. The most popular departure day for this route is Mon, with 14% 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