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

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

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 75% 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.

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

As of July 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.

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

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

As of July 2025, there are 7 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 64% 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 July 2025, 49 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 Wed, with 16% 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

10:09 am - 3:01 pmIAD-SJU

3h 52mnonstop

6:25 am - 9:21 amSJU-IAD

3h 56mnonstop

$91Frontier

Find Deal

dom., nov. 9 - jue., nov. 13

5:32 pm - 10:22 pmIAD-SJU

3h 50mnonstop

8:30 am - 11:35 amSJU-IAD

4h 05mnonstop

$136United Airlines

Find Deal

dom., nov. 9 - jue., nov. 13

2:18 pm - 10:10 pmIAD-SJU

7h 52m1 stop

7:10 am - 11:50 pmSJU-IAD

16h 40m1 stop

$195American Airlines

Find Deal

mar., oct. 21 - dom., 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

lun., sep. 8 - vie., 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

sáb., oct. 18 - sáb., 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

dom., dic. 7 - jue., dic. 11

3:20 pm - 9:50 amIAD-AUA

18h 30m1 stop

5:35 pm - 5:35 amAUA-IAD

12h 00m1 stop

$377Avianca

Find Deal

lun., sep. 22 - sáb., sep. 27

3:20 pm - 9:50 amIAD-AUA

18h 30m1 stop

11:00 am - 2:45 amAUA-IAD

15h 45m2 stops

$379Avianca

Find Deal

lun., sep. 22 - sáb., sep. 27

2:13 am - 11:32 amIAD-NAS

9h 19m1 stop

11:35 am - 11:33 pmNAS-IAD

11h 58m1 stop

$383Copa Airlines

Find Deal

vie., oct. 31 - sáb., 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

sáb., nov. 15 - sáb., nov. 22

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

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 Islands

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

dom. 11/9

10:09 am-3:01 pm

Nonstop3h 52m

San Juan Luis Munoz Marin Intl

jue. 11/13

6:25 am-9:21 am

Nonstop3h 56m

$91

Washington, D.C.San Juan

IAD - SJU

IADSJU

Washington, D.C. Dulles Intl

dom. 11/9

5:32 pm-10:22 pm

Nonstop3h 50m

San Juan Luis Munoz Marin Intl

jue. 11/13

8:30 am-11:35 am

Nonstop4h 05m

$136

Washington, D.C.San Juan

IAD - SJU

IADSJU

Washington, D.C. Dulles Intl

mar. 10/21

2:18 pm-10:10 pm

1 stop7h 52m

San Juan Luis Munoz Marin Intl

dom. 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

lun. 9/8

6:00 am-1:10 pm

1 stop7h 10m

San Juan Luis Munoz Marin Intl

vie. 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

sáb. 10/18

12:27 pm-9:59 pm

1 stop9h 32m

San Juan Luis Munoz Marin Intl

sáb. 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

dom. 12/7

8:14 pm-1:25 pm

1 stop16h 11m

San Juan Luis Munoz Marin Intl

jue. 12/11

2:30 pm-11:55 pm

1 stop10h 25m

$243

Washington, D.C.Oranjestad

IAD - AUA

IADAUA

Washington, D.C. Dulles Intl

lun. 9/22

3:20 pm-9:50 am

1 stop18h 30m

Oranjestad Reina Beatrix

sáb. 9/27

5:35 pm-5:35 am

1 stop12h 00m

$377

Washington, D.C.Oranjestad

IAD - AUA

IADAUA

Washington, D.C. Dulles Intl

lun. 9/22

3:20 pm-9:50 am

1 stop18h 30m

Oranjestad Reina Beatrix

sáb. 9/27

11:00 am-2:45 am

2 stops15h 45m

$379

Washington, D.C.Nassau

IAD - NAS

IADNAS

Washington, D.C. Dulles Intl

vie. 10/31

2:13 am-11:32 am

1 stop9h 19m

Nassau Intl

sáb. 11/8

11:35 am-11:33 pm

1 stop11h 58m

$383

Washington, D.C.Nassau

IAD - NAS

IADNAS

Washington, D.C. Dulles Intl

sáb. 11/15

3:31 pm-10:32 am

1 stop19h 01m

Nassau Intl

sáb. 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 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 October is another great option to travel to Caribbean Islands, with average flight prices from Washington, D.C. Dulles Intl Airport averaging around $392.

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 $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 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 $698. 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 $444 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 $344 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

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

The best one-way flight to Caribbean Islands 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 Islands found on momondo in the last 72 hours is $91.

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 7 airports near Caribbean Islands: 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 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 July 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 13.40% of all bookings. The subsequent popular models are Airbus A320neo at 9.27%, Boeing 737 MAX 9 at 7.15%, and Boeing 737-900 at 6.76%.

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 5.9 3,239 reviews	Search Frontier flights
Spirit Airlines	PriceFrom $135	Free Cancellation	Rating 6.3 8,049 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 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

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Flights to Parisfrom $255

Flights to Copenhagenfrom $268

Flights to Istanbulfrom $435

Flights to Manilafrom $523

Flights to Miamifrom $58

Flights to Romefrom $178

Flights to Chicagofrom $59

Washington, D.C. Dulles Intl Airport flight routes

Washington, D.C. Dulles Intl to Savannah/Hilton Head

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

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

Washington, D.C. Dulles Intl to South Bend/Michiana

Washington, D.C. Dulles Intl to Nashville Intl

Washington, D.C. Dulles Intl to Asheville Regional

Cheap flights from Washington, D.C. Dulles Intl Airport to Caribbean Islands from $68

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Big names and deals

Filter for what you want

Filter for what you want

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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

Cheap last minute flights

Cheap direct flights

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

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

Our best United Airlines 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

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?

United Airlines, American Airlines, and Frontier 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 July 2025, there are 7 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 64% 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 July 2025, 49 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 Wed, with 16% 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

Best Price Found

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