What are the cheapest airlines to fly from Washington, D.C. Dulles Intl Airport to Caribbean Islands one-way?

For one-way options, check prices for United Airlines. According to our data, you can fly for as low as $118. Users have also found prices from $121 and $123 on American Airlines and Delta, respectively.

In terms of precipitation, rainfall in Caribbean Islands ranges from 2.2 - 6.1 inches per month. November is typically the wettest month, when rainfall can reach 6.1 in. February is typically the driest time to visit Caribbean Islands when rainfall is around 2.2 in.

If weather is an important factor for your trip to Caribbean Islands, use this chart to help with planning. For those seeking warmer temperatures, June is the ideal time of year to visit, when temperatures reach an average of 82.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 77.0 F).

What are the most popular routes from Washington, D.C. Dulles Intl Airport to Caribbean Islands?

When deciding which route to take from Washington, D.C. Dulles Intl Airport to Caribbean Islands consider Washington, D.C. Dulles Intl - San Juan Luis Munoz Marin Intl, Washington, D.C. Dulles Intl - Punta Cana or Washington, D.C. Dulles Intl - Oranjestad Reina Beatrix as they are the most popular.

What are the most reliable airlines from Washington, D.C. Dulles Intl Airport to Caribbean Islands?

Before booking your flight to Caribbean Islands from Washington, D.C. Dulles Intl Airport, check out the most reliable airlines to get you to your destination on time: Air Canada (75%), United Airlines (75%), Brussels Airlines( 70%).

What are the most popular airlines that fly from Washington, D.C. Dulles Intl Airport to Caribbean Islands?

The most popular airlines flying from Washington, D.C. Dulles Intl Airport to Caribbean Islands are American Airlines, JetBlue and Delta. Something to consider prior to booking your flight.

Can I find deals for flights from Dulles Intl to Caribbean Islands that include hotel bookings?

Yes. In addition to deals on Dulles Intl to Caribbean Islands flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Dulles Intl to Caribbean Islands?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dulles Intl to Caribbean Islands.

Can I find deals for business class flights from Dulles Intl to Caribbean Islands?

Yes. Cheapflights offers flight deals from Dulles Intl to Caribbean Islands by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$104+ Cheap Flights from Washington, D.C. Dulles Intl Airport to Caribbean Islands

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Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

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Cheap flight deals from Dulles Intl to Caribbean Islands

Round-trip from	$168 (Frontier)
One-way from	$104 (CheapOair)
Popular in	December
Cheapest in	July
Average price	$356

From Washington, D.C. Dulles Intl to Caribbean Islands

Search Deals

One-way flight from Washington, D.C. Dulles Intl to Caribbean Islands

Search Deals

Highest demand for flights based on searches. 11% potential increase in price ($43 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($11 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in September 2025

Search Deals

Find flight deals from Dulles Intl to Caribbean Islands

Cheapest flights from Dulles Intl to Caribbean Islands
Explore the most affordable flight options available from Dulles Intl to Caribbean Islands. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 25, 2025.

Thu 10/169:07 pmIAD - SJU

Nonstop3h 52mFrontier

Thu 10/234:26 pmSJU - IAD

Nonstop3h 56mFrontier

Deal found 9/24

$168

Thu 10/239:07 pmIAD - SJU

Nonstop3h 52mFrontier

Thu 10/303:45 pmSJU - IAD

Nonstop3h 56mFrontier

Deal found 9/24

$169

Thu 10/308:26 pmIAD - SJU

Nonstop3h 52mFrontier

Thu 11/63:45 pmSJU - IAD

Nonstop3h 56mFrontier

Deal found 9/23

$170

Sun 12/710:08 amIAD - SJU

Nonstop3h 54mFrontier

Thu 12/116:00 amSJU - IAD

Nonstop4h 13mFrontier

Deal found 9/23

$171

Sun 10/199:07 pmIAD - SJU

Nonstop3h 52mFrontier

Thu 10/239:06 pmSJU - IAD

1 stop17h 19mFrontier

Deal found 9/24

$182

Sun 11/27:26 pmIAD - SJU

Nonstop3h 52mFrontier

Thu 11/66:54 pmSJU - IAD

1 stop20h 46mFrontier

Deal found 9/23

$184

Thu 10/99:07 pmIAD - SJU

Nonstop3h 52mFrontier

Thu 10/164:26 pmSJU - IAD

Nonstop3h 56mFrontier

Deal found 9/24

$190

Sun 11/27:26 pmIAD - SJU

Nonstop3h 52mFrontier

Sun 11/163:45 pmSJU - IAD

Nonstop3h 56mFrontier

Deal found 9/22

$191

Thu 11/67:26 pmIAD - SJU

Nonstop3h 52mFrontier

Thu 11/133:45 pmSJU - IAD

Nonstop3h 56mFrontier

Deal found 9/22

$196

Sun 11/97:26 pmIAD - SJU

Nonstop3h 52mFrontier

Tue 11/254:08 pmSJU - IAD

Nonstop4h 03mFrontier

Deal found 9/22

$198

Thu 11/137:26 pmIAD - SJU

Nonstop3h 52mFrontier

Sun 11/163:45 pmSJU - IAD

Nonstop3h 56mFrontier

Deal found 9/22

$199

Sun 10/269:45 amIAD - CUR

2 stops29h 35mAir Canada

Fri 10/313:10 pmCUR - IAD

1 stop29h 44mAir Canada

Deal found 9/25

$319

Best flights from Dulles Intl to Caribbean Islands
Discover carefully curated flight deals from Dulles Intl to Caribbean Islands that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 25, 2025.

Sat 11/1512:11 pmIAD - SJU

1 stop10h 45mDelta

Thu 11/271:57 pmSJU - IAD

1 stop8h 25mDelta

Deal found 9/22

$275

Thu 10/238:39 amIAD - SJU

Nonstop3h 55mUnited Airlines

Fri 10/317:30 amSJU - IAD

Nonstop4h 05mUnited Airlines

Deal found 9/24

$296

Mon 10/272:25 amIAD - SDQ

1 stop13h 50mCopa Airlines

Tue 11/112:15 pmSDQ - IAD

1 stop14h 07mCopa Airlines

Deal found 9/23

$370

Tue 2/172:35 pmIAD - AUA

1 stop19h 25mAvianca

Sat 2/215:50 pmAUA - IAD

1 stop11h 35mAvianca

Deal found 9/25

$383

Sun 11/95:45 amIAD - AUA

1 stop9h 35mMultiple Airlines

Thu 11/134:05 pmAUA - IAD

1 stop24h 46mMultiple Airlines

Deal found 9/25

$427

Sun 11/99:00 amIAD - AUA

1 stop29h 00mAir Canada

Thu 11/134:05 pmAUA - IAD

2 stops29h 49mAir Canada

Deal found 9/25

$445

Wed 12/38:27 amIAD - SJU

Nonstop3h 50mUnited Airlines

Wed 12/105:50 pmSJU - IAD

Nonstop4h 05mUnited Airlines

Deal found 9/24

$296

Wed 10/112:35 pmIAD - SJU

1 stop9h 25mDelta

Sat 10/47:30 amSJU - IAD

1 stop11h 09mDelta

Deal found 9/24

$355

Sat 10/258:39 amIAD - SJU

Nonstop3h 55mUnited Airlines

Fri 10/311:20 pmSJU - IAD

1 stop9h 38mUnited Airlines

Deal found 9/24

$337

Sat 11/153:24 pmIAD - SDQ

1 stop10h 02mCopa Airlines

Sat 11/2211:55 amSDQ - IAD

1 stop16h 27mCopa Airlines

Deal found 9/24

$380

Fri 1/165:45 amIAD - AUA

1 stop9h 35mAvianca

Mon 1/195:50 pmAUA - IAD

1 stop20h 25mAvianca

Deal found 9/25

$383

Wed 10/112:35 pmIAD - SJU

1 stop9h 25mDelta

Mon 10/65:43 pmSJU - IAD

1 stop6h 29mDelta

Deal found 9/25

$359

Mon 10/276:00 amIAD - AUA

1 stop9h 25mUnited Airlines

Fri 10/314:35 pmAUA - IAD

Nonstop4h 35mUnited Airlines

Deal found 9/25

$353

Thu 10/234:41 pmIAD - NAS

1 stop18h 46mCopa Airlines

Thu 10/3012:36 pmNAS - IAD

1 stop11h 57mCopa Airlines

Deal found 9/24

$395

Sun 10/265:15 pmIAD - CUR

2 stops18h 10mAvianca

Thu 10/306:15 pmCUR - IAD

1 stop11h 10mAvianca

Deal found 9/24

$407

Sat 12/66:00 amIAD - AUA

1 stop9h 50mUnited Airlines

Wed 12/105:35 pmAUA - IAD

Nonstop4h 35mUnited Airlines

Deal found 9/23

$353

Fri 11/71:13 amIAD - NAS

1 stop9h 19mCopa Airlines

Tue 11/1111:27 amNAS - IAD

1 stop15h 55mCopa Airlines

Deal found 9/25

$395

Fri 1/96:45 amIAD - NAS

1 stop5h 15mDelta

Mon 1/126:10 pmNAS - IAD

1 stop5h 07mDelta

Deal found 9/24

$405

Sat 11/84:15 pmIAD - CUR

2 stops18h 10mAvianca

Sat 11/156:15 pmCUR - IAD

1 stop11h 10mAvianca

Deal found 9/24

$408

Thu 10/305:32 pmIAD - SJU

Nonstop3h 50mUnited Airlines

Tue 11/48:30 amSJU - IAD

Nonstop4h 05mUnited Airlines

Deal found 9/24

$356

Tue 3/102:18 amIAD - NAS

1 stop9h 11mCopa Airlines

Sun 3/1512:30 pmNAS - IAD

1 stop15h 45mCopa Airlines

Deal found 9/24

$398

Sun 11/96:00 amIAD - NAS

1 stop5h 54mDelta

Thu 11/131:19 pmNAS - IAD

1 stop5h 07mDelta

Deal found 9/24

$405

Thu 10/234:41 pmIAD - SXM

1 stop18h 46mMultiple Airlines

Thu 10/3011:30 amSXM - IAD

2 stops27h 24mMultiple Airlines

Deal found 9/25

$552

Mon 3/92:18 amIAD - AUA

1 stop12h 26mCopa Airlines

Tue 3/171:15 pmAUA - IAD

1 stop15h 00mCopa Airlines

Deal found 9/25

$400

Fri 10/246:00 amIAD - NAS

1 stop7h 49mDelta

Tue 10/283:15 pmNAS - IAD

1 stop8h 05mDelta

Deal found 9/24

$405

Sun 11/98:15 amIAD - AUA

Nonstop4h 25mUnited Airlines

Thu 11/135:35 pmAUA - IAD

Nonstop4h 35mUnited Airlines

Deal found 9/25

$371

Mon 10/204:41 pmIAD - SDQ

1 stop10h 02mCopa Airlines

Mon 10/272:15 pmSDQ - IAD

1 stop14h 05mCopa Airlines

Deal found 9/23

$402

Thu 1/89:00 amIAD - NAS

1 stop7h 45mDelta

Mon 1/126:10 pmNAS - IAD

1 stop5h 07mDelta

Deal found 9/25

$405

Mon 11/105:32 pmIAD - SJU

Nonstop3h 50mUnited Airlines

Mon 11/175:50 pmSJU - IAD

Nonstop4h 05mUnited Airlines

Deal found 9/24

$381

Sun 10/266:00 amIAD - NAS

1 stop7h 49mDelta

Thu 10/301:03 pmNAS - IAD

1 stop6h 15mDelta

Deal found 9/24

$405

Last-minute flights from Dulles Intl to Caribbean Islands
Discover last-minute flight deals from Dulles Intl to Caribbean Islands. Data last updated September 25, 2025 and is based on user searches.

Thu 10/99:07 pmIAD - SJU

Nonstop3h 52mFrontier

Thu 10/164:26 pmSJU - IAD

Nonstop3h 56mFrontier

Deal found 9/24

$190

Sun 10/129:07 pmIAD - SJU

Nonstop3h 52mFrontier

Fri 10/173:14 pmSJU - IAD

1 stop8h 15mFrontier

Deal found 9/23

$212

Sun 10/129:07 pmIAD - SJU

Nonstop3h 52mFrontier

Sun 10/194:26 pmSJU - IAD

Nonstop3h 56mFrontier

Deal found 9/24

$213

Sun 10/129:07 pmIAD - SJU

Nonstop3h 52mFrontier

Wed 10/156:22 amSJU - IAD

2 stops13h 24mFrontier

Deal found 9/24

$225

Thu 10/169:07 pmIAD - SJU

Nonstop3h 52mFrontier

Thu 10/234:26 pmSJU - IAD

Nonstop3h 56mFrontier

Deal found 9/24

$168

Sun 10/199:07 pmIAD - SJU

Nonstop3h 52mFrontier

Thu 10/239:06 pmSJU - IAD

1 stop17h 19mFrontier

Deal found 9/23

$182

Sun 10/199:07 pmIAD - SJU

Nonstop3h 52mFrontier

Sun 10/264:26 pmSJU - IAD

Nonstop3h 56mFrontier

Deal found 9/24

$209

Sun 10/199:07 pmIAD - SJU

Nonstop3h 52mFrontier

Tue 10/216:22 amSJU - IAD

2 stops13h 24mFrontier

Deal found 9/24

$222

Thu 10/239:07 pmIAD - SJU

Nonstop3h 52mFrontier

Thu 10/303:45 pmSJU - IAD

Nonstop3h 56mFrontier

Deal found 9/24

$169

Fri 10/248:53 pmIAD - SJU

2 stops17h 35mFrontier

Sun 10/265:30 amSJU - IAD

1 stop8h 55mFrontier

Deal found 9/23

$220

Sun 10/269:45 amIAD - CUR

2 stops29h 35mAir Canada

Fri 10/313:10 pmCUR - IAD

1 stop29h 44mAir Canada

Deal found 9/25

$319

Thu 10/308:26 pmIAD - SJU

Nonstop3h 52mFrontier

Thu 11/63:45 pmSJU - IAD

Nonstop3h 56mFrontier

Deal found 9/23

$170

One-way flights from Dulles Intl to Caribbean Islands
Search for one-way flight options from Dulles Intl to Caribbean Islands. Find affordable one-way fares based on user searches. Data last updated September 25, 2025.

Thu 10/239:07 pmIAD - SJU

Nonstop3h 52mFrontier

Deal found 9/23

$104

Sat 10/47:14 pmIAD - SJU

1 stop7h 20mFrontier

Deal found 9/23

$114

Tue 12/238:50 amIAD - NAS

Nonstop3h 00mUnited Airlines

Deal found 9/25

$116

Tue 12/308:50 amIAD - NAS

Nonstop3h 00mUnited Airlines

Deal found 9/24

$117

Thu 10/308:27 amIAD - SJU

Nonstop3h 50mUnited Airlines

Deal found 9/23

$118

Thu 1/18:50 amIAD - NAS

Nonstop3h 00mUnited Airlines

Deal found 9/24

$119

Tue 12/25:14 pmIAD - SJU

1 stop7h 39mAvelo Airlines

Deal found 9/23

$120

Fri 11/143:03 pmIAD - SJU

1 stop9h 29mFrontier

Deal found 9/22

$121

Tue 10/286:00 amIAD - NAS

1 stop7h 33mUnited Airlines

Deal found 9/24

$121

Thu 12/1110:08 amIAD - SJU

Nonstop3h 54mFrontier

Deal found 9/24

$122

Tue 11/186:00 amIAD - NAS

1 stop7h 48mUnited Airlines

Deal found 9/24

$122

Mon 11/36:05 amIAD - SJU

1 stop7h 07mDelta

Deal found 9/24

$123

Cheapflights 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

Sat 11/15

12:11 pm-11:56 pm

1 stop10h 45m

San Juan Luis Munoz Marin Intl

Thu 11/27

1:57 pm-9:22 pm

1 stop8h 25m

$275

Washington, D.C.San Juan

IAD - SJU

IADSJU

Washington, D.C. Dulles Intl

Thu 10/23

8:39 am-12:34 pm

Nonstop3h 55m

San Juan Luis Munoz Marin Intl

Fri 10/31

7:30 am-11:35 am

Nonstop4h 05m

$296

Washington, D.C.San Juan

IAD - SJU

IADSJU

Washington, D.C. Dulles Intl

Wed 12/3

8:27 am-1:17 pm

Nonstop3h 50m

San Juan Luis Munoz Marin Intl

Wed 12/10

5:50 pm-8:55 pm

Nonstop4h 05m

$296

Washington, D.C.San Juan

IAD - SJU

IADSJU

Washington, D.C. Dulles Intl

Sat 10/25

8:39 am-12:34 pm

Nonstop3h 55m

San Juan Luis Munoz Marin Intl

Fri 10/31

1:20 pm-10:58 pm

1 stop9h 38m

$337

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

4:35 pm-9:10 pm

Nonstop4h 35m

$353

Washington, D.C.Oranjestad

IAD - AUA

IADAUA

Washington, D.C. Dulles Intl

Sat 12/6

6:00 am-4:50 pm

1 stop9h 50m

Oranjestad Reina Beatrix

Wed 12/10

5:35 pm-9:10 pm

Nonstop4h 35m

$353

Washington, D.C.San Juan

IAD - SJU

IADSJU

Washington, D.C. Dulles Intl

Wed 10/1

12:35 pm-10:00 pm

1 stop9h 25m

San Juan Luis Munoz Marin Intl

Sat 10/4

7:30 am-6:39 pm

1 stop11h 09m

$355

Washington, D.C.San Juan

IAD - SJU

IADSJU

Washington, D.C. Dulles Intl

Thu 10/30

5:32 pm-9:22 pm

Nonstop3h 50m

San Juan Luis Munoz Marin Intl

Tue 11/4

8:30 am-11:35 am

Nonstop4h 05m

$356

Washington, D.C.San Juan

IAD - SJU

IADSJU

Washington, D.C. Dulles Intl

Wed 10/1

12:35 pm-10:00 pm

1 stop9h 25m

San Juan Luis Munoz Marin Intl

Mon 10/6

5:43 pm-12:12 am

1 stop6h 29m

$359

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

$370

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/24

Showing 1-10 of 60 results

...

Best time to book a flight from Dulles Intl to Caribbean Islands

Have a flexible travel schedule? Discover the best time to fly to Caribbean Islands from Dulles Intl with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. Dulles Intl Airport to Caribbean Islands

What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Caribbean Islands?

Currently, September is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Caribbean Islands (average of $254). Flying from Washington, D.C. Dulles Intl Airport to Caribbean Islands in June is currently the most expensive (average of $339). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from IAD to EPX?

When flying from Washington, D.C. Dulles Intl Airport to Caribbean Islands, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from Washington, D.C. Dulles Intl Airport to Caribbean Islands

The most flights from IAD to zzEPX are scheduled on a Monday (2 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (2 on average).

Reviews of airlines servicing Caribbean Islands

Peruse reviews from past customers who have flown with Delta, Copa Airlines, and United Airlines from Washington, D.C. Dulles Intl Airport to Caribbean Islands to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,973 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Delta

8.0

Very good

7,973 reviews

Delta

8.0

Very good

7,973 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Copa Airlines

7.6

Good

1,539 reviews

Delta

8.0

Very good

7,973 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

United Airlines

7.4

Good

8,926 reviews

Delta

8.0

Very good

7,973 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

American Airlines

7.2

Good

10,000 reviews

Delta

8.0

Very good

7,973 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Frontier

5.8

Fair

3,162 reviews

Delta

8.0

Very good

7,973 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

How long is the flight from Washington, D.C. Dulles Intl Airport to Caribbean Islands?
Airlines like Delta, United Airlines, and Copa Airlines fly from Washington, D.C. Dulles Intl Airport to Caribbean Islands in about 3h 55m. The time it takes to get you to your destination can typically vary by up to 9h 55m. Airlines will cover a distance of 1573 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.
What are the cheapest airlines to fly from Washington, D.C. Dulles Intl Airport to Caribbean Islands one-way?
For one-way options, check prices for United Airlines. According to our data, you can fly for as low as $118. Users have also found prices from $121 and $123 on American Airlines and Delta, respectively.
What are the most popular routes from Washington, D.C. Dulles Intl Airport to Caribbean Islands?
When deciding which route to take from Washington, D.C. Dulles Intl Airport to Caribbean Islands consider Washington, D.C. Dulles Intl - San Juan Luis Munoz Marin Intl, Washington, D.C. Dulles Intl - Punta Cana or Washington, D.C. Dulles Intl - Oranjestad Reina Beatrix as they are the most popular.
What are the most reliable airlines from Washington, D.C. Dulles Intl Airport to Caribbean Islands?
Before booking your flight to Caribbean Islands from Washington, D.C. Dulles Intl Airport, check out the most reliable airlines to get you to your destination on time: Air Canada (75%), United Airlines (75%), Brussels Airlines( 70%).
What are the cheapest flights from Washington, D.C. Dulles Intl Airport to Caribbean Islands?
On average you can expect to pay $606 for a flight from Washington, D.C. Dulles Intl Airport to Caribbean Islands. The cheapest flight overall is $118 while the most popular route, (Washington, D.C. Dulles Intl - San Juan Luis Munoz Marin Intl) is currently priced at $182.
Can I find deals for flights from Dulles Intl to Caribbean Islands that include hotel bookings?
Yes. In addition to deals on Dulles Intl to Caribbean Islands flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Dulles Intl to Caribbean Islands?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dulles Intl to Caribbean Islands.
Can I find deals for business class flights from Dulles Intl to Caribbean Islands?
Yes. Cheapflights offers flight deals from Dulles Intl to Caribbean Islands by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Caribbean Islands?
Currently, September is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Caribbean Islands (average of $254). Flying from Washington, D.C. Dulles Intl Airport to Caribbean Islands in June is currently the most expensive (average of $339). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Top 9 airlines flying from Dulles Intl to Caribbean Islands

Airline	Cheapest	Average	Flexibility	On-time
Frontier	Cheapest$115	Average$385	FlexibilityNo cancel fee	On-time62%
Spirit Airlines	Cheapest$135	Average$316	FlexibilityNo cancel fee	On-time65%
American Airlines	Cheapest$145	Average$664	FlexibilityNo cancel fee	On-time71%
JetBlue	Cheapest$161	Average$386	FlexibilityNo cancel fee	On-time62%
Delta	Cheapest$164	Average$687	FlexibilityNo cancel fee	On-timeN/A
Avianca	Cheapest$167	Average$450	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$275	Average$624	FlexibilityNo cancel fee	On-time69%
Copa Airlines	Cheapest$355	Average$504	FlexibilityNo cancel fee	On-time70%
Air Canada	Cheapest$450	Average$508	FlexibilityNo cancel fee	On-time67%

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$104+ Cheap flights from Dulles Intl (IAD) to Caribbean Islands

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/23. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheap flight deals from Dulles Intl to Caribbean Islands

Keep the following information in mind while searching for Dulles Intl to Caribbean Islands flight deals. Data was last updated September 25, 2025.

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Find flight deals from Dulles Intl to Caribbean Islands

Cheapest flights from Dulles Intl to Caribbean IslandsExplore the most affordable flight options available from Dulles Intl to Caribbean Islands. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 25, 2025.

Explore the most affordable flight options available from Dulles Intl to Caribbean Islands. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 25, 2025.

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Best time to book a flight from Dulles Intl to Caribbean Islands

Have a flexible travel schedule? Discover the best time to fly to Caribbean Islands from Dulles Intl with our price prediction graph.

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Everything you need to know about your flight from Washington, D.C. Dulles Intl Airport to Caribbean Islands

What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Caribbean Islands?

What is the cheapest time of day to fly from IAD to EPX?

Find hourly flight availability from Dulles Intl to Caribbean Islands. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 25, 2025.

Weekly flight availability from Washington, D.C. Dulles Intl Airport to Caribbean Islands

Reviews of airlines servicing Caribbean Islands

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl to Caribbean Islands. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

How long is the flight from Washington, D.C. Dulles Intl Airport to Caribbean Islands?

What are the cheapest airlines to fly from Washington, D.C. Dulles Intl Airport to Caribbean Islands one-way?

What are the most popular routes from Washington, D.C. Dulles Intl Airport to Caribbean Islands?

What are the most reliable airlines from Washington, D.C. Dulles Intl Airport to Caribbean Islands?

What are the cheapest flights from Washington, D.C. Dulles Intl Airport to Caribbean Islands?

Can I find deals for flights from Dulles Intl to Caribbean Islands that include hotel bookings?

How can I find direct flights from Dulles Intl to Caribbean Islands?

Can I find deals for business class flights from Dulles Intl to Caribbean Islands?

What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Caribbean Islands?

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Alternative routes for Dulles Intl to Caribbean Islands

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Top 9 airlines flying from Dulles Intl to Caribbean Islands

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Cheapest flights from Dulles Intl to Caribbean Islands
Explore the most affordable flight options available from Dulles Intl to Caribbean Islands. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 25, 2025.