HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Dulles Intl

$118+ Cheap flights from Caribbean Islands to Dulles Intl (IAD)

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 11/2. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — IAD
Oct 29 — Nov 51
Wed 10/29
Wed 11/5
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Caribbean Islands to Dulles Intl with Cheapflights

1. Tell us where you want to go

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

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap 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 September 29, 2025.

Round-trip from

$163
(Cheapflightsfares)

One-way from

$118
(United Airlines)
From Caribbean Islands to Washington, D.C. Dulles Intl
Search Deals
One-way flight from Caribbean Islands to Washington, D.C. Dulles Intl
Search Deals

Find 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 September 29, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 9/29. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/164:26 pmSJU - IAD
Nonstop3h 56mFrontier
Sun 10/199:07 pmIAD - SJU
Nonstop3h 52mFrontier
Deal found 9/29$163
This Frontier deal was found by Cheapflights users on 9/28. 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.
Thu 10/94:26 pmSJU - IAD
Nonstop3h 56mFrontier
Sun 10/199:07 pmIAD - SJU
Nonstop3h 52mFrontier
Deal found 9/28$171
This Frontier deal was found by Cheapflights users on 9/28. 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.
Thu 10/94:26 pmSJU - IAD
Nonstop3h 56mFrontier
Sun 10/129:07 pmIAD - SJU
Nonstop3h 52mFrontier
Deal found 9/28$173
This Cheapflightsfares deal was found by Cheapflights users on 9/28. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/214:08 pmSJU - IAD
Nonstop4h 03mFrontier
Sun 11/238:06 pmIAD - SJU
Nonstop3h 47mFrontier
Deal found 9/28$177
This Kiwi.com deal was found by Cheapflights users on 9/27. 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.
Thu 10/239:06 pmSJU - IAD
1 stop17h 19mFrontier
Sun 10/269:07 pmIAD - SJU
Nonstop3h 52mFrontier
Deal found 9/27$182
This Priceline deal was found by Cheapflights users on 9/28. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/94:26 pmSJU - IAD
Nonstop3h 56mFrontier
Thu 10/169:07 pmIAD - SJU
Nonstop3h 52mFrontier
Deal found 9/28$193
This Cheapflightsfares deal was found by Cheapflights users on 9/29. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/164:26 pmSJU - IAD
Nonstop3h 56mFrontier
Thu 10/239:07 pmIAD - SJU
Nonstop3h 52mFrontier
Deal found 9/29$197
This Priceline deal was found by Cheapflights users on 9/27. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/194:26 pmSJU - IAD
Nonstop3h 56mFrontier
Sun 11/27:26 pmIAD - SJU
Nonstop3h 52mFrontier
Deal found 9/27$210
This Cheapflightsfares deal was found by Cheapflights users on 9/26. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/23:45 pmSJU - IAD
Nonstop3h 56mFrontier
Sun 11/97:26 pmIAD - SJU
Nonstop3h 52mFrontier
Deal found 9/26$221
This Trip.com deal was found by Cheapflights users on 9/27. 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 10/243:05 pmSJU - IAD
1 stop8h 24mFrontier
Sun 10/269:07 pmIAD - SJU
Nonstop3h 52mFrontier
Deal found 9/27$224
This Trip.com deal was found by Cheapflights users on 9/27. 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.
Thu 10/164:26 pmSJU - IAD
Nonstop3h 56mFrontier
Mon 10/206:15 amIAD - SJU
1 stop7h 51mFrontier
Deal found 9/27$230
This Frontier deal was found by Cheapflights users on 9/28. 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.
Sun 10/124:26 pmSJU - IAD
Nonstop3h 56mFrontier
Sun 10/199:07 pmIAD - SJU
Nonstop3h 52mFrontier
Deal found 9/28$231

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 September 29, 2025.
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

San JuanWashington, D.C.

SJU - IAD

SJUIAD

San Juan Luis Munoz Marin Intl

Thu 10/30

4:50 pm-8:55 pm

Nonstop4h 05m

Washington, D.C. Dulles Intl

Mon 11/3

5:32 pm-10:22 pm

Nonstop3h 50m

$263

San JuanWashington, D.C.

SJU - IAD

SJUIAD

San Juan Luis Munoz Marin Intl

Thu 11/6

7:15 am-4:57 pm

1 stop10h 42m

Washington, D.C. Dulles Intl

Tue 11/11

6:00 am-2:10 pm

1 stop7h 10m

$275

San JuanWashington, D.C.

SJU - IAD

SJUIAD

San Juan Luis Munoz Marin Intl

Fri 10/31

4:50 pm-8:55 pm

Nonstop4h 05m

Washington, D.C. Dulles Intl

Thu 11/6

5:32 pm-10:22 pm

Nonstop3h 50m

$290

San JuanWashington, D.C.

SJU - IAD

SJUIAD

San Juan Luis Munoz Marin Intl

Fri 11/7

5:50 pm-8:55 pm

Nonstop4h 05m

Washington, D.C. Dulles Intl

Tue 11/11

5:32 pm-10:22 pm

Nonstop3h 50m

$290

San JuanWashington, D.C.

SJU - IAD

SJUIAD

San Juan Luis Munoz Marin Intl

Sat 12/13

8:10 am-5:30 pm

1 stop10h 20m

Washington, D.C. Dulles Intl

Mon 12/15

5:32 pm-10:22 pm

Nonstop3h 50m

$295

San JuanWashington, D.C.

SJU - IAD

SJUIAD

San Juan Luis Munoz Marin Intl

Sat 11/1

7:10 am-3:55 pm

1 stop8h 45m

Washington, D.C. Dulles Intl

Sat 11/15

6:30 am-3:40 pm

1 stop8h 10m

$299

San JuanWashington, D.C.

SJU - IAD

SJUIAD

San Juan Luis Munoz Marin Intl

Fri 10/24

12:46 pm-12:12 am

1 stop11h 26m

Washington, D.C. Dulles Intl

Mon 10/27

6:05 am-1:12 pm

1 stop7h 07m

$305

San JuanWashington, D.C.

SJU - IAD

SJUIAD

San Juan Luis Munoz Marin Intl

Thu 12/25

7:00 am-4:23 pm

1 stop10h 23m

Washington, D.C. Dulles Intl

Thu 1/1

5:06 pm-2:27 am

1 stop8h 21m

$305

San JuanWashington, D.C.

SJU - IAD

SJUIAD

San Juan Luis Munoz Marin Intl

Thu 10/23

7:15 am-4:57 pm

1 stop9h 42m

Washington, D.C. Dulles Intl

Mon 10/27

6:05 am-1:12 pm

1 stop7h 07m

$305

San JuanWashington, D.C.

SJU - IAD

SJUIAD

San Juan Luis Munoz Marin Intl

Wed 10/15

1:05 am-7:20 am

1 stop6h 15m

Washington, D.C. Dulles Intl

Mon 10/20

8:39 am-12:34 pm

Nonstop3h 55m

$305

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/29

Showing 1-10 of 60 results
1
2
3
...
6

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, August is the cheapest month in which you can book a flight from Caribbean Islands to Washington, D.C. Dulles Intl Airport (average of $292). Flying from Caribbean Islands to Washington, D.C. Dulles Intl Airport in April is currently the most expensive (average of $337). 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 September 29, 2025.

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 September 29, 2025.

The most flights from zzEPX to IAD 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 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 September 29, 2025.
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
8.0
Very good
7,964 reviews

Food

7.3

Entertainment

7.9

Crew

8.5

Comfort

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 20
6.0
Good

Morgan Rae,Aug 2025

BRU - JFK

Typically I choose delta because they do a great job but this time the flight attendant in my zone was very rude and didnt offer the same treatment as she did to others
Delta
8.0
Very good
7,964 reviews
Delta
8.0
Very good
7,964 reviews

Food

7.3

Entertainment

7.9

Crew

8.5

Comfort

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 20
6.0
Good

Morgan Rae,Aug 2025

BRU - JFK

Typically I choose delta because they do a great job but this time the flight attendant in my zone was very rude and didnt offer the same treatment as she did to others
Copa Airlines
7.6
Good
1,542 reviews
Delta
8.0
Very good
7,964 reviews

Food

7.3

Entertainment

7.9

Crew

8.5

Comfort

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 20
6.0
Good

Morgan Rae,Aug 2025

BRU - JFK

Typically I choose delta because they do a great job but this time the flight attendant in my zone was very rude and didnt offer the same treatment as she did to others
United Airlines
7.4
Good
8,924 reviews
Delta
8.0
Very good
7,964 reviews

Food

7.3

Entertainment

7.9

Crew

8.5

Comfort

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 20
6.0
Good

Morgan Rae,Aug 2025

BRU - JFK

Typically I choose delta because they do a great job but this time the flight attendant in my zone was very rude and didnt offer the same treatment as she did to others
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,964 reviews

Food

7.3

Entertainment

7.9

Crew

8.5

Comfort

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 20
6.0
Good

Morgan Rae,Aug 2025

BRU - JFK

Typically I choose delta because they do a great job but this time the flight attendant in my zone was very rude and didnt offer the same treatment as she did to others

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 05m. Fly via United Airlines, Delta, or American Airlines to get the fastest option. Caribbean Islands and Washington, D.C. Dulles Intl Airport are separated by 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 Caribbean Islands to Washington, D.C. Dulles Intl Airport one-way?

    $118 is the cheapest one-way deal found within the past few days, from United Airlines. You may also be able to find cheap deals on Delta and Frontier, with prices starting from $123 and $214, 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 Port of Spain Piarco Intl - 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 (83%), United Airlines (83%) and Frontier (80%).

  • 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 $647, our data indicates the cheapest price to be $106. The most popular route (San Juan Luis Munoz Marin Intl - Washington, D.C. Dulles Intl), is priced around $131.

  • 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, August is the cheapest month in which you can book a flight from Caribbean Islands to Washington, D.C. Dulles Intl Airport (average of $292). Flying from Caribbean Islands to Washington, D.C. Dulles Intl Airport in April is currently the most expensive (average of $337). 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
Woodbridge
Arlington
Alexandria
Tysons
Silver Spring
Springfield
Gaithersburg
Fredericksburg
Fairfax
Linthicum Heights
Falls Church
Owings Mills
Laurel
Manassas
Hanover
Oxon Hill
Towson
National Harbor
Dundalk
Waldorf

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 Baltimore flights
Dallas/Fort Worth to Dulles Intl flights
O'Hare Intl to Reagan-National flights
Boston to Baltimore flights
Los Angeles to Reagan-National flights
Seattle to Dulles Intl flights
Boston to Reagan-National flights
Los Angeles to Dulles Intl flights
O'Hare Intl to Baltimore flights
Seattle to Reagan-National flights
Dallas/Fort Worth to Reagan-National flights
Boston to Dulles Intl flights
O'Hare Intl to Dulles Intl flights
San Francisco to Reagan-National flights
Hobby to Reagan-National flights
San Francisco to Baltimore flights
San Francisco to Dulles Intl flights
Hobby to Dulles Intl flights
Atlanta to Dulles Intl flights
Los Angeles to Baltimore flights
Detroit to Dulles Intl flights
Tampa to Dulles Intl flights
Atlanta to Baltimore flights
Denver to Baltimore flights
Salt Lake City to Reagan-National flights
Hobby to Baltimore flights
Minneapolis to Reagan-National flights
George Bush Intcntl to Reagan-National flights
Providence to Dulles Intl flights
Seattle to Baltimore flights
Salt Lake City to Baltimore flights
Detroit to Reagan-National flights
Austin to Dulles Intl flights
Midway to Reagan-National flights
Atlanta to Reagan-National flights
Minneapolis to Dulles Intl flights
Midway to Dulles Intl flights
Charlotte to Dulles Intl flights
Denver to Dulles Intl flights
George Bush Intcntl to Dulles Intl flights
Salt Lake City to Dulles Intl flights
Orlando to Reagan-National flights
Orlando to Dulles Intl flights
Sky Harbor Intl to Dulles Intl flights
Austin to Baltimore flights
John F Kennedy Intl to Reagan-National flights
John F Kennedy Intl to Dulles Intl flights
Fort Lauderdale to Baltimore flights
Orlando to Baltimore flights
Minneapolis to Baltimore flights

Top 4 airlines flying from Caribbean Islands to Dulles Intl

Discover the top 4 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 September 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$85Average$228FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$237Average$477FlexibilityNo cancel feeOn-time69%
DeltaCheapest$269Average$519FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$391Average$493FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.