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Dulles Intl

$100+ Cheap flights from Caribbean Islands to Dulles Intl (IAD)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/27. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — IAD
Mar 17 — Mar 241
Tue 3/17
Tue 3/24
1 adult, Economy
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Cheap flight deals from Caribbean Islands to Dulles Intl

Cheapest flights from Caribbean Islands to Dulles Intl
Explore the most affordable flight options available from Caribbean Islands to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 15, 2026.

This Trip.com deal was found by Cheapflights users on 2/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/274:17 pm
SJU
-
IAD
Nonstop4h 08m
Frontier
Mon 3/28:20 pm
IAD
-
SJU
Nonstop3h 45m
Frontier
Deal found 2/13$100
This Kiwi.com deal was found by Cheapflights users on 2/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/204:17 pm
SJU
-
IAD
Nonstop4h 08m
Frontier
Mon 2/238:20 pm
IAD
-
SJU
Nonstop3h 45m
Frontier
Deal found 2/13$103
This Frontier deal was found by Cheapflights users on 2/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/284:17 pm
SJU
-
IAD
Nonstop4h 08m
Frontier
Mon 3/28:20 pm
IAD
-
SJU
Nonstop3h 45m
Frontier
Deal found 2/13$159
This Kiwi.com deal was found by Cheapflights users on 2/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/204:17 pm
SJU
-
IAD
Nonstop4h 08m
Frontier
Sun 2/222:04 pm
IAD
-
SJU
1 stop11h 25m
Frontier
Deal found 2/14$167
This United Airlines deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/1012:02 pm
STT
-
IAD
Nonstop4h 23m
United Airlines
Tue 3/178:59 am
IAD
-
STT
Nonstop3h 57m
United Airlines
Deal found 2/11$201
This American Airlines deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/1012:45 pm
STT
-
IAD
1 stop7h 44m
American Airlines
Tue 3/175:00 am
IAD
-
STT
1 stop7h 05m
American Airlines
Deal found 2/11$210
This United Airlines deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/31:02 pm
STT
-
IAD
Nonstop4h 23m
United Airlines
Tue 3/108:59 am
IAD
-
STT
Nonstop3h 57m
United Airlines
Deal found 2/11$222
This United Airlines deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/14:45 pm
STT
-
IAD
Nonstop4h 13m
United Airlines
Sun 5/36:00 am
IAD
-
STT
1 stop7h 08m
United Airlines
Deal found 2/11$227
This American Airlines deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/31:41 pm
STT
-
IAD
1 stop7h 49m
American Airlines
Tue 3/105:00 am
IAD
-
STT
1 stop7h 05m
American Airlines
Deal found 2/11$231
This Delta deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/23:10 pm
STT
-
IAD
1 stop10h 11m
Delta
Mon 3/96:01 am
IAD
-
STT
1 stop7h 46m
Delta
Deal found 2/11$241
This United Airlines deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/261:02 pm
STT
-
IAD
Nonstop4h 23m
United Airlines
Mon 3/28:59 am
IAD
-
STT
Nonstop3h 57m
United Airlines
Deal found 2/11$243
This Delta deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/263:10 pm
STT
-
IAD
1 stop10h 11m
Delta
Sun 3/16:00 am
IAD
-
STT
1 stop9h 22m
Delta
Deal found 2/12$252

Find flight deals from Caribbean Islands to Dulles Intl

Keep the following information in mind while searching for Caribbean Islands to Dulles Intl flight deals. Data was last updated February 15, 2026.

Round-trip from

$100
(Trip.com)
From Caribbean Islands to Washington, D.C. Dulles Intl
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Caribbean Islands to Dulles Intl that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 15, 2026.
Use the filters below to find and compare flights from Caribbean Islands to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Caribbean Islands

Fly to

Dulles Intl

Route

Depart

Return

Price

Saint Thomas IslandWashington, D.C.

STT - IAD

STTIAD

Saint Thomas Island Cyril E King

Tue 3/10

12:02 pm-4:25 pm

Nonstop4h 23m

Washington, D.C. Dulles Intl

Tue 3/17

8:59 am-12:56 pm

Nonstop3h 57m

$201

Saint Thomas IslandWashington, D.C.

STT - IAD

STTIAD

Saint Thomas Island Cyril E King

Tue 3/10

12:45 pm-8:29 pm

1 stop7h 44m

Washington, D.C. Dulles Intl

Tue 3/17

5:00 am-12:05 pm

1 stop7h 05m

$210

San JuanWashington, D.C.

SJU - IAD

SJUIAD

San Juan Luis Munoz Marin Intl

Wed 4/8

3:16 am-11:33 am

1 stop8h 17m

Washington, D.C. Dulles Intl

Sun 4/12

10:13 pm-12:55 pm

1 stop14h 42m

$215

Saint Thomas IslandWashington, D.C.

STT - IAD

STTIAD

Saint Thomas Island Cyril E King

Tue 3/3

1:02 pm-4:25 pm

Nonstop4h 23m

Washington, D.C. Dulles Intl

Tue 3/10

8:59 am-12:56 pm

Nonstop3h 57m

$222

Saint Thomas IslandWashington, D.C.

STT - IAD

STTIAD

Saint Thomas Island Cyril E King

Fri 5/1

4:45 pm-8:58 pm

Nonstop4h 13m

Washington, D.C. Dulles Intl

Sun 5/3

6:00 am-1:08 pm

1 stop7h 08m

$227

San JuanWashington, D.C.

SJU - IAD

SJUIAD

San Juan Luis Munoz Marin Intl

Sat 3/7

7:55 pm-6:24 am

1 stop11h 29m

Washington, D.C. Dulles Intl

Mon 3/16

8:09 am-2:13 am

1 stop18h 04m

$237

Saint Thomas IslandWashington, D.C.

STT - IAD

STTIAD

Saint Thomas Island Cyril E King

Mon 3/2

3:10 pm-12:21 am

1 stop10h 11m

Washington, D.C. Dulles Intl

Mon 3/9

6:01 am-1:47 pm

1 stop7h 46m

$241

Saint Thomas IslandWashington, D.C.

STT - IAD

STTIAD

Saint Thomas Island Cyril E King

Thu 2/26

5:25 pm-11:21 pm

1 stop6h 56m

Washington, D.C. Dulles Intl

Sun 3/1

8:59 am-1:56 pm

Nonstop3h 57m

$248

Saint Thomas IslandWashington, D.C.

STT - IAD

STTIAD

Saint Thomas Island Cyril E King

Fri 2/27

5:25 pm-11:21 pm

1 stop6h 56m

Washington, D.C. Dulles Intl

Tue 3/3

8:59 am-1:56 pm

Nonstop3h 57m

$248

Saint Thomas IslandWashington, D.C.

STT - IAD

STTIAD

Saint Thomas Island Cyril E King

Thu 2/26

5:25 pm-11:21 pm

1 stop6h 56m

Washington, D.C. Dulles Intl

Mon 3/2

8:59 am-1:56 pm

Nonstop3h 57m

$248

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/11

Showing 1-10 of 60 results
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Best time to book a flight from Caribbean Islands to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Caribbean Islands 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 Caribbean Islands to Washington, D.C. Dulles Intl Airport

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

Currently, February is the cheapest month in which you can book a flight from Caribbean Islands to Washington, D.C. Dulles Intl Airport (average of $57). Flying from Caribbean Islands to Washington, D.C. Dulles Intl Airport in September is currently the most expensive (average of $274). 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 EPX to IAD?

Find hourly flight availability from Caribbean Islands to Dulles Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 15, 2026.

When flying from Caribbean Islands to Washington, D.C. Dulles Intl Airport, 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 Caribbean Islands to Washington, D.C. Dulles Intl Airport

Explore weekly flight availability from Caribbean Islands to Dulles Intl. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated February 15, 2026.

The most flights from zzEPX to IAD are scheduled on a Monday (5 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (4 on average).

Reviews of airlines servicing Dulles Intl

Get insights into the airlines that provide service to Dulles Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Dulles Intl. Reviews last updated February 15, 2026.
Read reviews from past customers who have flown Delta, Copa Airlines, and United Airlines from Caribbean Islands to Washington, D.C. Dulles Intl Airport. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,205 reviews

Crew

8.5

Entertainment

7.8

Food

7.2

Boarding

8.1

Overall

7.9

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,205 reviews
Delta
7.9
Good
8,205 reviews

Crew

8.5

Entertainment

7.8

Food

7.2

Boarding

8.1

Overall

7.9

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Copa Airlines
7.5
Good
1,558 reviews
Delta
7.9
Good
8,205 reviews

Crew

8.5

Entertainment

7.8

Food

7.2

Boarding

8.1

Overall

7.9

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,296 reviews
Delta
7.9
Good
8,205 reviews

Crew

8.5

Entertainment

7.8

Food

7.2

Boarding

8.1

Overall

7.9

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.2
Good
11,296 reviews
Delta
7.9
Good
8,205 reviews

Crew

8.5

Entertainment

7.8

Food

7.2

Boarding

8.1

Overall

7.9

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from Caribbean Islands to Dulles Intl. 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 Caribbean Islands to Washington, D.C. Dulles Intl Airport?

    There are many flights that can get you from Caribbean Islands to Washington, D.C. Dulles Intl Airport in 4h 23m. Fly via United Airlines, American Airlines, or Frontier to get the fastest option. Caribbean Islands and Washington, D.C. Dulles Intl Airport are separated by a distance of 1608 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 Caribbean Islands to Washington, D.C. Dulles Intl Airport one-way?

    $58 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on United Airlines and Delta, with prices starting from $128 and $146, respectively.

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

    The most popular flight routes from Caribbean Islands to Washington, D.C. Dulles Intl Airport are San Juan Luis Munoz Marin Intl - Washington, D.C. Dulles Intl, Santo Domingo Las Americas - Washington, D.C. Dulles Intl and Punta Cana - Washington, D.C. Dulles Intl.

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

    The top 3 most reliable airlines when flying from Caribbean Islands to Washington, D.C. Dulles Intl Airport are Air Canada (89%), United Airlines (89%) and Frontier (62%).

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

    Looking for the cheapest flight from Caribbean Islands to Washington, D.C. Dulles Intl Airport? While on average our users pay $685, our data indicates the cheapest price to be $76. The most popular route (San Juan Luis Munoz Marin Intl - Washington, D.C. Dulles Intl), is priced around $167.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Caribbean Islands to Dulles Intl 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 Caribbean Islands to Washington, D.C. Dulles Intl Airport?

    Currently, February is the cheapest month in which you can book a flight from Caribbean Islands to Washington, D.C. Dulles Intl Airport (average of $57). Flying from Caribbean Islands to Washington, D.C. Dulles Intl Airport in September is currently the most expensive (average of $274). 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

Traveling to a place near Washington, D.C. Dulles Intl Airport?

Book flights to Washington, D.C. Dulles Intl Airport if you plan to visit one of these locations
Alexandria
Woodbridge
Tysons
Arlington
Owings Mills
Springfield
Silver Spring
Herndon
Fredericksburg
Hanover
Laurel
Linthicum Heights
Rockville
Upper Marlboro
Manassas
Bowie
Largo
McLean
Clinton
Towson

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Alternative routes for Caribbean Islands to Dulles Intl

See prices for flight routes from nearby airports that may be better suited for you.
Dallas/Fort Worth to Dulles Intl flights
Boston to Baltimore flights
Dallas/Fort Worth to Baltimore flights
Los Angeles to Reagan-National flights
Atlanta to Dulles Intl flights
Dallas/Fort Worth to Reagan-National flights
Orlando to Dulles Intl flights
Boston to Reagan-National flights
Boston to Dulles Intl flights
Atlanta to Baltimore flights
Los Angeles to Baltimore flights
San Francisco to Reagan-National flights
Los Angeles to Dulles Intl flights
Atlanta to Reagan-National flights
O'Hare Intl to Baltimore flights
O'Hare Intl to Dulles Intl flights
Seattle to Reagan-National flights
Hobby to Dulles Intl flights
San Francisco to Dulles Intl flights
San Francisco to Baltimore flights
O'Hare Intl to Reagan-National flights
Fort Lauderdale to Dulles Intl flights
Hobby to Reagan-National flights
Denver to Baltimore flights
Denver to Dulles Intl flights
Seattle to Dulles Intl flights
Miami to Dulles Intl flights
George Bush Intcntl to Dulles Intl flights
Fort Lauderdale to Baltimore flights
Detroit to Dulles Intl flights
Denver to Reagan-National flights
George Bush Intcntl to Reagan-National flights
Orlando to Reagan-National flights
Seattle to Baltimore flights
LaGuardia to Reagan-National flights
Austin to Dulles Intl flights
Tampa to Baltimore flights
Newark to Dulles Intl flights
Charlotte to Dulles Intl flights
Charlotte to Baltimore flights
Orlando to Baltimore flights
Miami to Reagan-National flights
Detroit to Baltimore flights
Minneapolis to Dulles Intl flights
San Diego to Dulles Intl flights
Sky Harbor Intl to Dulles Intl flights
Hobby to Baltimore flights
Detroit to Reagan-National flights
Tampa to Reagan-National flights
Austin to Baltimore flights

Top 5 airlines flying from Caribbean Islands to Dulles Intl

Discover the top 5 airlines that operate flights from Caribbean Islands to Dulles Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 15, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$67Average$170FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$198Average$532FlexibilityNo cancel feeOn-time69%
Copa AirlinesCheapest$220Average$528FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$242Average$479FlexibilityNo cancel feeOn-time71%
DeltaCheapest$494Average$607FlexibilityNo cancel feeOn-timeN/A

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