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Dulles Intl

$106+ Cheap flights from Puerto Rico 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 12/14. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — IAD
Dec 10 — Dec 171
Wed 12/10
Wed 12/17
1 adult, Economy
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Find flight deals from Puerto Rico to Dulles Intl

Cheapest flights from Puerto Rico to Dulles Intl
Explore the most affordable flight options available from Puerto Rico to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 10, 2025.

This Frontier deal was found by Cheapflights users on 11/7. 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.
Fri 11/214:08 pmSJU - IAD
Nonstop4h 03mFrontier
Fri 11/288:06 pmIAD - SJU
Nonstop3h 47mFrontier
Deal found 11/7$149
This CheapOair deal was found by Cheapflights users on 11/7. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/93:45 pmSJU - IAD
Nonstop3h 56mFrontier
Sun 11/238:06 pmIAD - SJU
Nonstop3h 47mFrontier
Deal found 11/7$151
This Frontier deal was found by Cheapflights users on 11/8. 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.
Fri 11/214:08 pmSJU - IAD
Nonstop4h 03mFrontier
Sun 11/238:06 pmIAD - SJU
Nonstop3h 47mFrontier
Deal found 11/8$156
This Kiwi.com deal was found by Cheapflights users on 11/7. 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 12/46:30 amSJU - IAD
Nonstop4h 13mFrontier
Thu 12/1110:38 amIAD - SJU
Nonstop3h 54mFrontier
Deal found 11/7$157
This Kiwi.com deal was found by Cheapflights users on 11/7. 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.
Sun 11/239:30 pmSJU - IAD
1 stop15h 22mFrontier
Mon 12/18:06 pmIAD - SJU
Nonstop3h 47mFrontier
Deal found 11/7$176
This Kiwi.com deal was found by Cheapflights users on 11/8. 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.
Mon 12/224:18 pmSJU - IAD
Nonstop4h 13mFrontier
Wed 12/316:05 amIAD - SJU
1 stop16h 49mFrontier
Deal found 11/8$178
This eDestinos deal was found by Cheapflights users on 11/7. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/193:55 amSJU - IAD
1 stop18h 35mFrontier
Mon 1/58:26 pmIAD - SJU
Nonstop3h 54mFrontier
Deal found 11/7$180
This eDestinos deal was found by Cheapflights users on 11/7. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/213:54 amSJU - IAD
1 stop10h 20mFrontier
Mon 1/58:26 pmIAD - SJU
Nonstop3h 54mFrontier
Deal found 11/7$185
This Kiwi.com deal was found by Cheapflights users on 11/8. 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 12/247:30 amSJU - IAD
1 stop11h 17mFrontier
Fri 1/28:26 pmIAD - SJU
Nonstop3h 54mFrontier
Deal found 11/8$190
This Priceline deal was found by Cheapflights users on 11/7. 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.
Tue 11/254:08 pmSJU - IAD
Nonstop4h 03mFrontier
Mon 12/18:06 pmIAD - SJU
Nonstop3h 47mFrontier
Deal found 11/7$195
This CheapOair deal was found by Cheapflights users on 11/9. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/2611:00 amPSE - IAD
1 stop24h 17mFrontier
Fri 12/59:20 pmIAD - PSE
1 stop11h 35mFrontier
Deal found 11/9$503
This United Airlines deal was found by Cheapflights users on 11/9. 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.
Sun 12/71:09 amBQN - IAD
1 stop7h 11mUnited Airlines
Mon 12/158:20 amIAD - BQN
2 stops14h 37mUnited Airlines
Deal found 11/9$561

Cheap flight deals from Puerto Rico to Dulles Intl

Keep the following information in mind while searching for Puerto Rico to Dulles Intl flight deals. Data was last updated November 10, 2025.

Round-trip from

$149
(Frontier)

One-way from

$106
(Kiwi.com)

Popular in

March

Cheapest in

July

Average price

$283

Good round-trip deal

$289 or less

Good one-way deal

$147 or less
From Puerto Rico to Washington, D.C. Dulles Intl
Search Deals
One-way flight from Puerto Rico to Washington, D.C. Dulles Intl
Search Deals
Highest demand for flights based on searches. 3% potential increase in price ($9 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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Price to beat on a round-trip flight from Puerto Rico to Washington, D.C. Dulles Intl.
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Price to beat on a one-way flight from Puerto Rico to Washington, D.C. Dulles Intl.
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Puerto Rico 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 November 10, 2025.
Use the filters below to find and compare flights from Puerto Rico to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Puerto Rico

Fly to

Dulles Intl

Route

Depart

Return

Price

San JuanWashington, D.C.

SJU - IAD

SJUIAD

San Juan Luis Munoz Marin Intl

Sun 11/23

9:30 pm-11:52 am

1 stop15h 22m

Washington, D.C. Dulles Intl

Thu 11/27

6:41 pm-1:12 am

1 stop29h 31m

$217

San JuanWashington, D.C.

SJU - IAD

SJUIAD

San Juan Luis Munoz Marin Intl

Wed 1/21

7:30 am-2:47 pm

1 stop8h 17m

Washington, D.C. Dulles Intl

Sun 1/25

12:40 pm-8:57 pm

1 stop7h 17m

$225

San JuanWashington, D.C.

SJU - IAD

SJUIAD

San Juan Luis Munoz Marin Intl

Thu 12/25

8:10 am-5:30 pm

1 stop10h 20m

Washington, D.C. Dulles Intl

Fri 1/2

5:32 pm-10:22 pm

Nonstop3h 50m

$258

San JuanWashington, D.C.

SJU - IAD

SJUIAD

San Juan Luis Munoz Marin Intl

Mon 12/22

8:30 am-11:35 am

Nonstop4h 05m

Washington, D.C. Dulles Intl

Wed 12/31

5:32 pm-10:22 pm

Nonstop3h 50m

$326

San JuanWashington, D.C.

SJU - IAD

SJUIAD

San Juan Luis Munoz Marin Intl

Fri 1/16

3:55 am-9:33 pm

1 stop18h 38m

Washington, D.C. Dulles Intl

Fri 1/23

3:37 pm-9:55 am

1 stop17h 18m

$349

San JuanWashington, D.C.

SJU - IAD

SJUIAD

San Juan Luis Munoz Marin Intl

Tue 11/18

5:50 pm-8:55 pm

Nonstop4h 05m

Washington, D.C. Dulles Intl

Mon 11/24

6:00 am-2:40 pm

1 stop7h 40m

$375

San JuanWashington, D.C.

SJU - IAD

SJUIAD

San Juan Luis Munoz Marin Intl

Wed 1/21

8:10 am-11:15 am

Nonstop4h 05m

Washington, D.C. Dulles Intl

Sun 1/25

5:32 pm-10:22 pm

Nonstop3h 50m

$380

San JuanWashington, D.C.

SJU - IAD

SJUIAD

San Juan Luis Munoz Marin Intl

Wed 12/24

2:10 pm-10:52 pm

1 stop9h 42m

Washington, D.C. Dulles Intl

Thu 1/1

6:00 am-2:14 pm

1 stop7h 14m

$383

San JuanWashington, D.C.

SJU - IAD

SJUIAD

San Juan Luis Munoz Marin Intl

Mon 12/22

3:44 pm-11:08 pm

1 stop8h 24m

Washington, D.C. Dulles Intl

Wed 1/7

6:20 am-2:30 pm

1 stop7h 10m

$383

AguadillaWashington, D.C.

BQN - IAD

BQNIAD

Aguadilla Borinquen

Wed 2/18

1:09 am-7:19 am

1 stop7h 10m

Washington, D.C. Dulles Intl

Mon 2/23

8:20 am-11:57 pm

2 stops14h 37m

$389

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/9

Showing 1-10 of 49 results
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Best time to book a flight from Puerto Rico to Dulles Intl

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

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

Currently, June is the cheapest month in which you can book a flight from Puerto Rico to Washington, D.C. Dulles Intl Airport (average of $59). Flying from Puerto Rico 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 PR to IAD?

Find hourly flight availability from Puerto Rico 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 November 10, 2025.

When flying from Puerto Rico to Washington, D.C. Dulles Intl Airport, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 29% versus a flight in the evening.

Weekly flight availability from Puerto Rico to Washington, D.C. Dulles Intl Airport

Explore weekly flight availability from Puerto Rico 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 November 10, 2025.

The most flights from PR0 to IAD are scheduled on a Sunday (5 on average). You will have fewer flight options on Monday, 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 November 10, 2025.
Read through reviews of airlines operating flights from Puerto Rico to Washington, D.C. Dulles Intl Airport, such as Delta, United Airlines, and Frontier. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,004 reviews

Overall

7.9

Comfort

7.9

Boarding

8.1

Entertainment

7.9

Food

7.3

Crew

8.5

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
8,004 reviews
Delta
7.9
Good
8,004 reviews

Overall

7.9

Comfort

7.9

Boarding

8.1

Entertainment

7.9

Food

7.3

Crew

8.5

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
9,012 reviews
Delta
7.9
Good
8,004 reviews

Overall

7.9

Comfort

7.9

Boarding

8.1

Entertainment

7.9

Food

7.3

Crew

8.5

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.
Frontier
5.8
Fair
3,111 reviews
Delta
7.9
Good
8,004 reviews

Overall

7.9

Comfort

7.9

Boarding

8.1

Entertainment

7.9

Food

7.3

Crew

8.5

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 Puerto Rico 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 Puerto Rico to Washington, D.C. Dulles Intl Airport?

    Departing from Puerto Rico to Washington, D.C. Dulles Intl Airport will take you 8h 17m. Puerto Rico 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 Puerto Rico to Washington, D.C. Dulles Intl Airport one-way?

    The cheapest airlines for a one-way flight from Puerto Rico to Washington, D.C. Dulles Intl Airport are Frontier ($107), United Airlines ($145), and American Airlines ($145).

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

    While some choose either Ponce Mercedita - Washington, D.C. Dulles Intl or Aguadilla Borinquen - Washington, D.C. Dulles Intl, San Juan Luis Munoz Marin Intl - Washington, D.C. Dulles Intl is the most popular route from Puerto Rico to Washington, D.C. Dulles Intl Airport.

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

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Puerto Rico to Washington, D.C. Dulles Intl Airport on time: Air Canada (97%), United Airlines (97%), Frontier (43%).

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

    The cheapest flight price from Puerto Rico to Washington, D.C. Dulles Intl Airport is $77. On average you can expect to pay $389. The most popular route, (San Juan Luis Munoz Marin Intl - Washington, D.C. Dulles Intl), can usually be booked for $195.

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

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

  • How can I find direct flights from Puerto Rico to Dulles Intl?

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

  • Can I find deals for business class flights from Puerto Rico to Dulles Intl?

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

    Currently, June is the cheapest month in which you can book a flight from Puerto Rico to Washington, D.C. Dulles Intl Airport (average of $59). Flying from Puerto Rico 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
Tysons
Woodbridge
Arlington
Owings Mills
Springfield
Hanover
Silver Spring
Fairfax
Fredericksburg
Falls Church
Linthicum Heights
Manassas
Laurel
Towson
National Harbor
Waldorf
Bowie
Largo
McLean

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Alternative routes for Puerto Rico to Dulles Intl

See prices for flight routes from nearby airports that may be better suited for you.
Luis Munoz Marin Intl to Dulles Intl flights
Luis Munoz Marin Intl to Reagan-National flights
Luis Munoz Marin Intl to Baltimore flights
Nassau to Dulles Intl flights
Punta Cana to Dulles Intl flights
Santo Domingo to Dulles Intl flights
Montego Bay to Baltimore flights
Nassau to Reagan-National flights
Punta Cana to Baltimore flights
Santo Domingo to Baltimore flights
Montego Bay to Dulles Intl flights
Oranjestad to Dulles Intl flights
Santo Domingo to Reagan-National flights
Port of Spain to Dulles Intl flights
Simpson Bay to Dulles Intl flights
Kingston to Baltimore flights
Nassau to Baltimore flights
Port of Spain to Reagan-National flights
Saint Thomas Island to Dulles Intl flights
Bridgetown to Dulles Intl flights
Ponce to Dulles Intl flights
Kingston to Dulles Intl flights
Montego Bay to Reagan-National flights
Christiansted to Dulles Intl flights
Simpson Bay to Baltimore flights
Christiansted to Baltimore flights
Simpson Bay to Reagan-National flights
Santiago de los Caballeros to Dulles Intl flights
Oranjestad to Reagan-National flights
Saint Thomas Island to Baltimore flights
Kingston to Reagan-National flights
Punta Cana to Reagan-National flights
Port of Spain to Baltimore flights
Santiago de los Caballeros to Baltimore flights
Christiansted to Reagan-National flights
Oranjestad to Baltimore flights
Bridgetown to Reagan-National flights
George Town to Dulles Intl flights
George Town to Baltimore flights
Bridgetown to Baltimore flights
Providenciales to Dulles Intl flights
Santiago de los Caballeros to Reagan-National flights
Saint Thomas Island to Reagan-National flights
George Town to Reagan-National flights
St. John's to Reagan-National flights
Aguadilla to Reagan-National flights
Willemstad to Dulles Intl flights

Top 3 airlines flying from Puerto Rico to Dulles Intl

Discover the top 3 airlines that operate flights from Puerto Rico 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 November 10, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$85Average$227FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$235Average$494FlexibilityNo cancel feeOn-time69%
DeltaCheapest$269Average$431FlexibilityNo cancel feeOn-timeN/A

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