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Dulles Intl

$117+ 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 6/8. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — IAD
May 6 — May 131
Tue 5/6
Tue 5/13
1 adult, Economy
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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 May 1, 2025.

Round-trip from

$148
(Cheapflightsfares)

One-way from

$117
(Cheapflightsfares)
From Caribbean Islands to Washington, D.C. Dulles Intl
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One-way flight from Caribbean Islands to Washington, D.C. Dulles Intl
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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 May 1, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 4/29. 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 5/227:20 amSJU - IAD
Nonstop3h 55mFrontier
Sun 6/112:28 pmIAD - SJU
Nonstop3h 50mFrontier
Deal found 4/29$148
This Delta deal was found by Cheapflights users on 4/30. 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 5/297:30 amSJU - IAD
1 stop11h 17mDelta
Sat 5/3112:20 pmIAD - SJU
1 stop11h 22mDelta
Deal found 4/30$225
This United Airlines deal was found by Cheapflights users on 4/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/211:05 amSJU - IAD
1 stop6h 14mUnited Airlines
Sun 6/18:40 amIAD - SJU
Nonstop3h 54mUnited Airlines
Deal found 4/29$281
This American Airlines deal was found by Cheapflights users on 4/30. 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.
Thu 5/227:15 amSJU - IAD
1 stop9h 41mAmerican Airlines
Mon 5/265:02 amIAD - SJU
1 stop15h 31mAmerican Airlines
Deal found 4/30$315
This Kiwi.com deal was found by Cheapflights users on 4/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/73:22 pmPUJ - IAD
2 stops25h 14mMultiple Airlines
Mon 5/125:26 pmIAD - PUJ
1 stop18h 21mMultiple Airlines
Deal found 4/29$325
This Priceline deal was found by Cheapflights users on 4/29. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/242:50 pmSJU - IAD
1 stop20h 57mMultiple Airlines
Sun 6/112:28 pmIAD - SJU
Nonstop3h 50mMultiple Airlines
Deal found 4/29$333
This Copa Airlines deal was found by Cheapflights users on 4/29. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/912:38 pmNAS - IAD
1 stop15h 42mCopa Airlines
Sun 8/102:45 amIAD - NAS
1 stop8h 43mCopa Airlines
Deal found 4/29$338
This United Airlines deal was found by Cheapflights users on 4/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/712:50 pmNAS - IAD
1 stop8h 17mUnited Airlines
Mon 5/1210:20 pmIAD - NAS
1 stop17h 38mUnited Airlines
Deal found 4/29$346
This Mytrip deal was found by Cheapflights users on 4/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/146:41 pmSDQ - IAD
1 stop16h 47mFrontier
Sat 6/211:29 pmIAD - SDQ
1 stop21h 15mFrontier
Deal found 4/30$351
This American Airlines deal was found by Cheapflights users on 4/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/162:45 pmNAS - IAD
1 stop4h 47mAmerican Airlines
Mon 5/195:26 pmIAD - NAS
1 stop16h 04mAmerican Airlines
Deal found 4/29$355
This Kiwi.com deal was found by Cheapflights users on 4/30. 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 6/2710:19 amSDQ - IAD
1 stop10h 53mMultiple Airlines
Sat 8/161:32 pmIAD - SDQ
1 stop12h 38mMultiple Airlines
Deal found 4/30$355
This Delta deal was found by Cheapflights users on 4/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/43:20 pmNAS - IAD
1 stop8h 15mDelta
Tue 6/107:10 amIAD - NAS
1 stop4h 42mDelta
Deal found 4/29$356

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 May 1, 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 5/22

7:20 am-11:15 am

Nonstop3h 55m

Washington, D.C. Dulles Intl

Sun 6/1

12:28 pm-4:18 pm

Nonstop3h 50m

$148

San JuanWashington, D.C.

SJU - IAD

SJUIAD

San Juan Luis Munoz Marin Intl

Thu 5/29

7:30 am-6:47 pm

1 stop11h 17m

Washington, D.C. Dulles Intl

Sat 5/31

12:20 pm-11:42 pm

1 stop11h 22m

$225

San JuanWashington, D.C.

SJU - IAD

SJUIAD

San Juan Luis Munoz Marin Intl

Wed 5/21

1:05 am-7:19 am

1 stop6h 14m

Washington, D.C. Dulles Intl

Sun 6/1

8:40 am-12:34 pm

Nonstop3h 54m

$281

San JuanWashington, D.C.

SJU - IAD

SJUIAD

San Juan Luis Munoz Marin Intl

Thu 5/22

7:15 am-4:56 pm

1 stop9h 41m

Washington, D.C. Dulles Intl

Mon 5/26

5:02 am-8:33 pm

1 stop15h 31m

$315

Punta CanaWashington, D.C.

PUJ - IAD

PUJIAD

Punta Cana

Sat 5/24

12:42 pm-12:32 pm

1 stop23h 50m

Washington, D.C. Dulles Intl

Sun 6/15

9:57 pm-7:54 pm

1 stop21h 57m

$326

San JuanWashington, D.C.

SJU - IAD

SJUIAD

San Juan Luis Munoz Marin Intl

Sat 5/24

2:50 pm-11:47 am

1 stop20h 57m

Washington, D.C. Dulles Intl

Sun 6/1

12:28 pm-4:18 pm

Nonstop3h 50m

$333

NassauWashington, D.C.

NAS - IAD

NASIAD

Nassau Intl

Sat 8/9

12:38 pm-4:20 am

1 stop15h 42m

Washington, D.C. Dulles Intl

Sun 8/10

2:45 am-11:28 am

1 stop8h 43m

$338

NassauWashington, D.C.

NAS - IAD

NASIAD

Nassau Intl

Thu 6/5

2:53 pm-11:58 pm

1 stop9h 05m

Washington, D.C. Dulles Intl

Mon 6/9

10:32 pm-3:58 pm

1 stop17h 26m

$346

Santo DomingoWashington, D.C.

SDQ - IAD

SDQIAD

Santo Domingo Las Americas

Sat 6/14

6:41 pm-11:28 am

1 stop16h 47m

Washington, D.C. Dulles Intl

Sat 6/21

1:29 pm-10:44 am

1 stop21h 15m

$351

NassauWashington, D.C.

NAS - IAD

NASIAD

Nassau Intl

Fri 5/16

2:45 pm-7:32 pm

1 stop4h 47m

Washington, D.C. Dulles Intl

Mon 5/19

5:26 pm-9:30 am

1 stop16h 04m

$355

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

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, August is the cheapest month in which you can book a flight from Caribbean Islands to Washington, D.C. Dulles Intl Airport (average of $309). Flying from Caribbean Islands to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $373). 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 May 1, 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 May 1, 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).

Rainfall in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Washington, D.C. Dulles Intl Airport ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. Dulles Intl Airport when rainfall is around 2.6 in.

Temperature in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Washington, D.C. Dulles Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

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 May 1, 2025.
To help decide which airline to fly from Caribbean Islands to Washington, D.C., see what other customers have to say about Delta, Alaska Airlines and Copa Airlines. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,934 reviews

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Overall

8.0

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,934 reviews
Delta
8.0
Very good
7,934 reviews

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Overall

8.0

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Alaska Airlines
8.0
Very good
9,972 reviews
Delta
8.0
Very good
7,934 reviews

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Overall

8.0

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Copa Airlines
7.5
Good
1,415 reviews
Delta
8.0
Very good
7,934 reviews

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Overall

8.0

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Aeromexico
7.5
Good
1,698 reviews
Delta
8.0
Very good
7,934 reviews

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Overall

8.0

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Avelo Airlines
7.5
Good
Delta
8.0
Very good
7,934 reviews

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Overall

8.0

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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.

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

    $117 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 American Airlines, with prices starting from $118 and $138, 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, Nassau Intl - Washington, D.C. Dulles Intl and Santo Domingo Las Americas - Washington, D.C. Dulles Intl.

  • 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 $1,834, our data indicates the cheapest price to be $130. The most popular route (San Juan Luis Munoz Marin Intl - Washington, D.C. Dulles Intl), is priced around $181.

  • 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 $309). Flying from Caribbean Islands to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $373). 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 Caribbean Islands?

Book flights to Caribbean Islands if you plan to visit one of these locations
Alexandria
Arlington
Woodbridge
Tysons
Fairfax
Springfield
Rockville
Fredericksburg
Silver Spring
Gaithersburg
Linthicum Heights
Falls Church
Laurel
Easton
Towson
Herndon
Sterling
Bowie
National Harbor
Oxon Hill

Browse thousands of different options on Cheapflights for your next trip

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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.
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Atlanta to Reagan-National flights
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Fort Lauderdale to Baltimore flights
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Denver to Reagan-National flights
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Orlando to Baltimore flights
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Miami to Baltimore flights
John F Kennedy Intl to Dulles Intl flights
Sky Harbor Intl to Dulles Intl flights
Newark to Reagan-National flights
John F Kennedy Intl to Reagan-National flights
Burbank to Baltimore flights
Orlando to Reagan-National flights
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George Bush Intcntl 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 May 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$59Average$357FlexibilityNo cancel feeOn-time62%
Copa AirlinesCheapest$261Average$517FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$268Average$500FlexibilityNo cancel feeOn-time69%
DeltaCheapest$269Average$471FlexibilityNo cancel feeOn-timeN/A

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