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 74% 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 Avelo Airlines 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 September 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.

$117 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 September 2025, there are 1 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 100% of flights taking off at noon.

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

As of September 2025, 7 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 Mon, with 14% of weekly flights taking off on this day.

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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

7:26 pm - 12:18 amIAD-SJU

3h 52mnonstop

3:45 pm - 6:41 pmSJU-IAD

3h 56mnonstop

$168Frontier

Find Deal

Sun, Nov 9 - Thu, Nov 13

7:26 pm - 12:18 amIAD-SJU

3h 52mnonstop

3:45 pm - 6:41 pmSJU-IAD

3h 56mnonstop

$181Frontier

Find Deal

Sun, Nov 2 - Sun, Nov 9

6:00 am - 2:10 pmIAD-SJU

7h 10m1 stop

3:20 pm - 11:03 pmSJU-IAD

8h 43m1 stop

$245Delta

Find Deal

Tue, Nov 11 - Tue, Nov 18

2:25 am - 10:56 amIAD-SDQ

8h 31m1 stop

2:10 pm - 4:20 amSDQ-IAD

14h 10m1 stop

$387Copa Airlines

Find Deal

Sat, Oct 4 - Sun, Oct 12

2:25 am - 4:15 pmIAD-SDQ

13h 50m1 stop

2:15 pm - 3:22 amSDQ-IAD

14h 07m1 stop

$388Copa Airlines

Find Deal

Mon, Oct 27 - Tue, Nov 11

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

8:15 am - 1:40 pmIAD-AUA

4h 25mnonstop

4:10 pm - 11:21 pmAUA-IAD

8h 11m1 stop

$390United Airlines

Find Deal

Sat, Nov 29 - Fri, Dec 5

6:00 am - 3:26 pmIAD-NAS

9h 26m1 stop

4:51 pm - 11:19 pmNAS-IAD

6h 28m1 stop

$405Delta

Find Deal

Sun, Nov 9 - Tue, Nov 11

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

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

Nov 9

IAD7:26 pmWashington, D.C. Dulles Intl

3h 52m

SJU12:18 amSan Juan Luis Munoz Marin Intl

Nov 13

SJU3:45 pmSan Juan Luis Munoz Marin Intl

3h 56m

IAD6:41 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

$181

Find similar

Frontier

Oct 19

IAD9:07 pmWashington, D.C. Dulles Intl

3h 52m

SJU12:59 amSan Juan Luis Munoz Marin Intl

Nov 2

SJU3:45 pmSan Juan Luis Munoz Marin Intl

3h 56m

IAD6:41 pmWashington, D.C. Dulles Intl

$182

Find similar

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

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

Delta

Nov 11

IAD6:00 amWashington, D.C. Dulles Intl

7h 10m

1 stop

SJU2:10 pmSan Juan Luis Munoz Marin Intl

Nov 18

SJU3:20 pmSan Juan Luis Munoz Marin Intl

8h 43m

1 stop

IAD11:03 pmWashington, D.C. Dulles Intl

$245

Find similar

Delta

Sep 30

IAD12:08 pmWashington, D.C. Dulles Intl

11h 39m

1 stop

SJU11:47 pmSan Juan Luis Munoz Marin Intl

Oct 3

SJU5:41 pmSan Juan Luis Munoz Marin Intl

6h 32m

1 stop

IAD12:13 amWashington, D.C. Dulles Intl

$319

Find similar

Delta

Nov 9

IAD6:00 amWashington, D.C. Dulles Intl

9h 26m

1 stop

NAS3:26 pmNassau Intl

Nov 11

NAS4:51 pmNassau Intl

6h 28m

1 stop

IAD11:19 pmWashington, D.C. Dulles Intl

$405

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

Sun 11/9

7:26 pm-12:18 am

Nonstop3h 52m

San Juan Luis Munoz Marin Intl

Thu 11/13

3:45 pm-6:41 pm

Nonstop3h 56m

$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

$181

Washington, D.C.San Juan

IAD - SJU

IADSJU

Washington, D.C. Dulles Intl

Tue 11/11

6:00 am-2:10 pm

1 stop7h 10m

San Juan Luis Munoz Marin Intl

Tue 11/18

3:20 pm-11:03 pm

1 stop8h 43m

$245

Washington, D.C.Santo Domingo

IAD - SDQ

IADSDQ

Washington, D.C. Dulles Intl

Sat 10/4

2:25 am-10:56 am

1 stop8h 31m

Santo Domingo Las Americas

Sun 10/12

2:10 pm-4:20 am

1 stop14h 10m

$387

Washington, D.C.Santo Domingo

IAD - SDQ

IADSDQ

Washington, D.C. Dulles Intl

Mon 10/27

2:25 am-4:15 pm

1 stop13h 50m

Santo Domingo Las Americas

Tue 11/11

2:15 pm-3:22 am

1 stop14h 07m

$388

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

Sat 11/29

8:15 am-1:40 pm

Nonstop4h 25m

Oranjestad Reina Beatrix

Fri 12/5

4:10 pm-11:21 pm

1 stop8h 11m

$390

Washington, D.C.Nassau

IAD - NAS

IADNAS

Washington, D.C. Dulles Intl

Sun 11/9

6:00 am-3:26 pm

1 stop9h 26m

Nassau Intl

Tue 11/11

4:51 pm-11:19 pm

1 stop6h 28m

$405

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

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 $303. The month of August is another great option to travel to Caribbean Islands, with average flight prices from Washington, D.C. Dulles Intl Airport averaging around $345.

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 $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 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 evening because they tend to be around $576. 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 $431 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 $353 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	3h 00m
Direct flights	Every day
Airports in Caribbean Islands	2 airports

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

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

There are 2 airports near Caribbean Islands: 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 September 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 Boeing 777, representing 13.86% of all bookings. The subsequent popular models are Airbus A320neo at 10.96%, Boeing 737 MAX 9 at 7.15%, and Boeing 737-900 at 6.58%.

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 $115	Free Cancellation	Rating 5.8 3,174 reviews	Search Frontier flights
Spirit Airlines	PriceFrom $135	Free Cancellation	Rating 6.3 8,019 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 7,957 reviews	Search Delta flights
Avianca	PriceFrom $167	Free Cancellation	Rating 6.7 2,435 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 8,924 reviews	Search United Airlines flights
Copa Airlines	PriceFrom $355	Free Cancellation	Rating 7.6 1,531 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 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.

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Popular cities in Caribbean Islands

Flights to New Yorkfrom $49

Flights to Londonfrom $318

Flights to Bangkokfrom $508

Flights to Tokyofrom $374

Flights to Los Angelesfrom $49

Flights to Parisfrom $360

Flights to Copenhagenfrom $369

Flights to Istanbulfrom $397

Flights to Manilafrom $523

Flights to Romefrom $340

Flights to Miamifrom $49

Flights to Chicagofrom $49

Washington, D.C. Dulles Intl Airport flight routes

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

Flights from Washington, D.C. Dulles Intl to Atlanta Hartsfield-Jackson

Cheap flights from Washington, D.C. Dulles Intl Airport to Caribbean Islands from $117

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

Cheap round-trip flights

Cheap one-way flights

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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

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

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

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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

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 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 Avelo Airlines 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 September 2025, there are 1 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 100% 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 September 2025, 7 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 Mon, with 14% 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