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 ($85), United Airlines ($98), and American Airlines ($113).

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.

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).

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

While some choose either Aguadilla Borinquen - Washington, D.C. Dulles Intl or Culebra - 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 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 $89. On average you can expect to pay $337. The most popular route, (San Juan Luis Munoz Marin Intl - Washington, D.C. Dulles Intl), can usually be booked for $252.

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 (86%), United Airlines (86%), Frontier (63%).

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

Consider Delta, Frontier or United Airlines when booking your flight. These represent the most popular airlines when flying from Puerto Rico to Washington, D.C. Dulles Intl Airport.

How far in advance should I book a flight from Puerto Rico to Washington, D.C. Dulles Intl Airport?

Travelers have found it’s best to book a flight 60 days in advance to save up to 138% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 60 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Puerto Rico to Washington, D.C. Dulles Intl Airport 1-2 weeks in advance for as low as $253, or $325 for flights within the next 24 hours.

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

May can be a great time to fly to Washington, D.C. Dulles Intl Airport from Puerto Rico with a flight ticket averaging about $288. Cheapflights users have found deals in the month of May for as cheap as $108. The most expensive prices can be found in the month of October.

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.

$329+ Flights from Puerto Rico to Washington, D.C. Dulles Intl Airport

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Cheap flight deals from Puerto Rico to Dulles Intl

Round-trip from	$190 (Cheapflightsfares)
One-way from	$85 (Frontier)
Popular in	October
Cheapest in	May
Average price	$299
Good round-trip deal	$222 or less
Good one-way deal	$144 or less

From Puerto Rico to Washington, D.C. Dulles Intl

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One-way flight from Puerto Rico to Washington, D.C. Dulles Intl

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Highest demand for flights based on searches. 9% potential increase in price ($31 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 June 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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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 June 26, 2025.

Thu 7/317:33 amSJU - IAD

Nonstop3h 56mFrontier

Tue 8/1212:51 pmIAD - SJU

Nonstop3h 57mFrontier

Deal found 6/25

$190

Thu 6/262:59 amBQN - IAD

1 stop9h 45mFrontier

Mon 6/301:29 pmIAD - BQN

1 stop12h 30mFrontier

Deal found 6/25

$199

Fri 7/46:15 amSJU - IAD

1 stop16h 24mAmerican Airlines

Mon 7/76:27 amIAD - SJU

1 stop16h 58mAmerican Airlines

Deal found 6/25

$228

Fri 7/112:36 pmSJU - IAD

1 stop8h 19mDelta

Mon 7/1412:12 pmIAD - SJU

1 stop11h 47mDelta

Deal found 6/26

$255

Thu 7/172:05 amSJU - IAD

1 stop9h 27mUnited Airlines

Mon 7/215:55 pmIAD - SJU

1 stop11h 35mUnited Airlines

Deal found 6/25

$275

Fri 8/83:08 pmSJU - IAD

1 stop24h 04mMultiple Airlines

Fri 8/298:54 pmIAD - SJU

1 stop13h 52mMultiple Airlines

Deal found 6/25

$296

Thu 7/312:15 amBQN - IAD

1 stop7h 05mUnited Airlines

Wed 7/96:10 amIAD - BQN

2 stops16h 59mUnited Airlines

Deal found 6/24

$560

Sun 6/292:59 amBQN - IAD

2 stops32h 44mMultiple Airlines

Mon 7/71:36 pmIAD - BQN

1 stop12h 25mMultiple Airlines

Deal found 6/24

$833

Fri 8/2910:13 amCPX - IAD

2 stops14h 19mUnited Airlines

Sat 8/3011:03 amIAD - CPX

2 stops29h 48mUnited Airlines

Deal found 6/25

$1,120

Best flights from Puerto Rico to Dulles Intl
Discover carefully curated flight deals from Puerto Rico to Dulles Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 26, 2025.

Thu 7/317:33 amSJU - IAD

Nonstop3h 56mFrontier

Tue 8/1212:51 pmIAD - SJU

Nonstop3h 57mFrontier

Deal found 6/25

$190

Fri 7/46:15 amSJU - IAD

1 stop16h 24mAmerican Airlines

Mon 7/76:27 amIAD - SJU

1 stop16h 58mAmerican Airlines

Deal found 6/25

$228

Fri 7/112:36 pmSJU - IAD

1 stop8h 19mDelta

Mon 7/1412:12 pmIAD - SJU

1 stop11h 47mDelta

Deal found 6/26

$255

Thu 7/172:05 amSJU - IAD

1 stop9h 27mUnited Airlines

Mon 7/215:55 pmIAD - SJU

1 stop11h 35mUnited Airlines

Deal found 6/25

$275

Fri 8/83:08 pmSJU - IAD

1 stop24h 04mMultiple Airlines

Fri 8/298:54 pmIAD - SJU

1 stop13h 52mMultiple Airlines

Deal found 6/25

$296

Sat 8/92:59 amBQN - IAD

2 stops34h 50mFrontier

Sat 8/161:37 pmIAD - BQN

1 stop12h 24mFrontier

Deal found 6/25

$454

Fri 8/2910:13 amCPX - IAD

1 stop10h 39mUnited Airlines

Sat 8/3011:03 amIAD - CPX

2 stops29h 48mUnited Airlines

Deal found 6/25

$1,120

Last-minute flights from Puerto Rico to Dulles Intl
Discover last-minute flight deals from Puerto Rico to Dulles Intl. Data last updated June 26, 2025 and is based on user searches.

Thu 6/262:59 amBQN - IAD

1 stop9h 45mFrontier

Mon 6/301:29 pmIAD - BQN

1 stop12h 30mFrontier

Deal found 6/25

$199

Sun 6/292:59 amBQN - IAD

2 stops32h 44mMultiple Airlines

Mon 7/71:36 pmIAD - BQN

1 stop12h 25mMultiple Airlines

Deal found 6/24

$833

Tue 7/11:25 pmSJU - IAD

1 stop9h 02mUnited Airlines

Sun 7/65:31 pmIAD - SJU

1 stop6h 31mUnited Airlines

Deal found 6/24

$318

Thu 7/37:35 amSJU - IAD

Nonstop3h 53mFrontier

Tue 7/812:51 pmIAD - SJU

Nonstop3h 57mFrontier

Deal found 6/24

$204

Thu 7/32:59 amBQN - IAD

1 stop9h 45mFrontier

Mon 7/71:36 pmIAD - BQN

1 stop12h 25mFrontier

Deal found 6/26

$314

Thu 7/32:42 amSJU - IAD

1 stop17h 25mMultiple Airlines

Mon 7/71:36 pmIAD - SJU

1 stop13h 03mMultiple Airlines

Deal found 6/25

$475

Thu 7/312:15 amBQN - IAD

1 stop7h 05mUnited Airlines

Wed 7/96:10 amIAD - BQN

2 stops16h 59mUnited Airlines

Deal found 6/24

$560

Fri 7/46:15 amSJU - IAD

1 stop16h 24mAmerican Airlines

Mon 7/76:27 amIAD - SJU

1 stop16h 58mAmerican Airlines

Deal found 6/25

$228

Fri 7/42:40 pmSJU - IAD

1 stop8h 34mDelta

Thu 7/1012:12 pmIAD - SJU

1 stop11h 47mDelta

Deal found 6/26

$365

Fri 7/112:36 pmSJU - IAD

1 stop8h 19mDelta

Mon 7/1412:12 pmIAD - SJU

1 stop11h 47mDelta

Deal found 6/26

$255

Thu 7/172:05 amSJU - IAD

1 stop9h 27mUnited Airlines

Mon 7/215:55 pmIAD - SJU

1 stop11h 35mUnited Airlines

Deal found 6/25

$275

Fri 7/1810:14 pmSJU - IAD

2 stops22h 39mMultiple Airlines

Mon 7/215:40 pmIAD - SJU

3 stops21h 50mMultiple Airlines

Deal found 6/25

$402

One-way flights from Puerto Rico to Dulles Intl
Search for one-way flight options from Puerto Rico to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated June 26, 2025.

Mon 10/1310:36 amPSE - IAD

1 stop8h 57mFrontier

Deal found 6/24

$85

Thu 8/77:33 amSJU - IAD

Nonstop3h 56mFrontier

Deal found 6/24

$96

Wed 7/21:25 pmSJU - IAD

1 stop9h 02mUnited Airlines

Deal found 6/25

$98

Fri 7/112:59 amBQN - IAD

1 stop9h 52mFrontier

Deal found 6/25

$99

Mon 6/306:15 amSJU - IAD

1 stop16h 24mAmerican Airlines

Deal found 6/25

$113

Fri 7/181:31 pmSJU - IAD

1 stop7h 42mMultiple Airlines

Deal found 6/24

$146

Fri 8/1512:50 pmSJU - IAD

1 stop8h 52mDelta

Deal found 6/24

$148

Thu 7/172:42 amSJU - IAD

1 stop17h 25mAvelo Airlines

Deal found 6/24

$155

Tue 7/2212:15 amBQN - IAD

1 stop7h 05mUnited Airlines

Deal found 6/25

$228

Sat 7/264:20 pmSJU - IAD

1 stop19h 23mSun Country Air

Deal found 6/25

$256

Sun 7/610:13 amCPX - IAD

2 stops12h 15mUnited Airlines

Deal found 6/25

$779

Cheapflights Fare Finder

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

Fly to

Route

Depart

Return

Price

San JuanWashington, D.C.

SJU - IAD

SJUIAD

San Juan Luis Munoz Marin Intl

Thu 7/31

7:33 am-11:29 am

Nonstop3h 56m

Washington, D.C. Dulles Intl

Tue 8/12

12:51 pm-4:48 pm

Nonstop3h 57m

$190

San JuanWashington, D.C.

SJU - IAD

SJUIAD

San Juan Luis Munoz Marin Intl

Fri 7/11

2:36 pm-10:55 pm

1 stop8h 19m

Washington, D.C. Dulles Intl

Mon 7/14

12:12 pm-11:59 pm

1 stop11h 47m

$255

San JuanWashington, D.C.

SJU - IAD

SJUIAD

San Juan Luis Munoz Marin Intl

Wed 7/9

12:59 am-10:59 am

1 stop10h 00m

Washington, D.C. Dulles Intl

Tue 7/15

6:27 am-11:25 pm

1 stop16h 58m

$260

San JuanWashington, D.C.

SJU - IAD

SJUIAD

San Juan Luis Munoz Marin Intl

Thu 7/17

2:05 am-11:32 am

1 stop9h 27m

Washington, D.C. Dulles Intl

Mon 7/21

5:55 pm-5:30 am

1 stop11h 35m

$275

San JuanWashington, D.C.

SJU - IAD

SJUIAD

San Juan Luis Munoz Marin Intl

Fri 8/8

3:08 pm-3:12 pm

1 stop24h 04m

Washington, D.C. Dulles Intl

Fri 8/29

8:54 pm-10:46 am

1 stop13h 52m

$296

San JuanWashington, D.C.

SJU - IAD

SJUIAD

San Juan Luis Munoz Marin Intl

Thu 8/7

2:42 am-8:07 pm

1 stop17h 25m

Washington, D.C. Dulles Intl

Fri 8/29

8:54 pm-10:46 am

1 stop13h 52m

$318

AguadillaWashington, D.C.

BQN - IAD

BQNIAD

Aguadilla Borinquen

Sat 8/9

2:59 am-1:49 pm

2 stops34h 50m

Washington, D.C. Dulles Intl

Sat 8/16

1:37 pm-2:01 am

1 stop12h 24m

$454

San JuanWashington, D.C.

SJU - IAD

SJUIAD

San Juan Luis Munoz Marin Intl

Mon 11/24

5:15 pm-11:42 am

1 stop19h 27m

Washington, D.C. Dulles Intl

Fri 11/28

12:26 pm-4:14 pm

1 stop26h 48m

$488

CulebraWashington, D.C.

CPX - IAD

CPXIAD

Culebra

Fri 8/29

10:13 am-12:32 am

2 stops14h 19m

Washington, D.C. Dulles Intl

Sat 8/30

11:03 am-4:51 pm

2 stops29h 48m

$1,120

PonceWashington, D.C.

PSE - IAD

PSEIAD

Ponce Mercedita

Mon 10/13

10:36 am-7:33 pm

1 stop8h 57m

$85

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/24

Showing 1-10 of 20 results

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, August is the cheapest month in which you can book a flight from Puerto Rico to Washington, D.C. Dulles Intl Airport (average of $309). Flying from Puerto Rico to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of $346). 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?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Puerto Rico to Washington, D.C. Dulles Intl Airport as you normally would.

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

The most flights from PR0 to IAD are scheduled on a Thursday (3 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

Read through reviews of airlines operating flights from Puerto Rico to Washington, D.C. Dulles Intl Airport, such as Delta, Avelo Airlines, and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,964 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

7,964 reviews

Delta

8.0

Very good

7,964 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!

Avelo Airlines

7.4

Good

Delta

8.0

Very good

7,964 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

8,838 reviews

Delta

8.0

Very good

7,964 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

7,964 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!

Sun Country Air

6.9

Okay

342 reviews

Delta

8.0

Very good

7,964 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

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 ($85), United Airlines ($98), and American Airlines ($113).
What are the most popular routes from Puerto Rico to Washington, D.C. Dulles Intl Airport?
While some choose either Aguadilla Borinquen - Washington, D.C. Dulles Intl or Culebra - 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 (86%), United Airlines (86%), Frontier (63%).
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 $89. On average you can expect to pay $337. The most popular route, (San Juan Luis Munoz Marin Intl - Washington, D.C. Dulles Intl), can usually be booked for $252.
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, August is the cheapest month in which you can book a flight from Puerto Rico to Washington, D.C. Dulles Intl Airport (average of $309). Flying from Puerto Rico to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of $346). 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

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Silver Spring

Linthicum Heights

Fredericksburg

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Manassas

Dundalk

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Bowie

Hanover

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Top 3 airlines flying from Puerto Rico to Dulles Intl

Airline	Cheapest	Average	Flexibility	On-time
Frontier	Cheapest$105	Average$272	FlexibilityNo cancel fee	On-time62%
United Airlines	Cheapest$250	Average$506	FlexibilityNo cancel fee	On-time69%
Delta	Cheapest$269	Average$431	FlexibilityNo cancel fee	On-timeN/A

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$85+ 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 10/13. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Puerto Rico to Dulles Intl with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

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 June 26, 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from Puerto Rico to Dulles Intl

Cheapest flights from Puerto Rico to Dulles IntlExplore 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 June 26, 2025.

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 June 26, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Puerto Rico to Washington, D.C. Dulles Intl Airport that are best for you.

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.

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?

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 June 26, 2025.

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

Reviews of airlines servicing Dulles Intl

Read through reviews of airlines operating flights from Puerto Rico to Washington, D.C. Dulles Intl Airport, such as Delta, Avelo Airlines, and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

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.

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

What are the most popular routes 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?

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

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

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

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

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

Traveling to a place near Puerto Rico?

Browse thousands of different options on Cheapflights for your next trip

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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.

Top 3 airlines flying from Puerto Rico to Dulles Intl

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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 June 26, 2025.