What is the cheapest airline that flies from Puerto Rico to Washington, D.C. Dulles Intl?

United Airlines, Frontier, and American Airlines are the most popular carriers operating from Puerto Rico to Washington, D.C. Dulles Intl

What airlines fly to Washington, D.C. Dulles Intl Airport?

United Airlines, Frontier and Delta are the top three most popular airlines that fly to Washington, D.C. Dulles Intl Airport from Puerto Rico according to our data. United Airlines is the first choice among our users, with 65% of people opting to fly with this airline when traveling to Washington, D.C. Dulles Intl Airport. Keep in mind that there are 3 different airlines that fly to Washington, D.C. Dulles Intl Airport on a routine basis, so you have a few additional options to choose from.

How long does it take to fly to Washington, D.C. Dulles Intl Airport?

Flight times from Puerto Rico to Washington, D.C. Dulles Intl Airport vary, but if you’re flying out of San Juan and flying into Baltimore (one of the most popular routes), then the duration is 3h 52m on average. Another popular route from Puerto Rico to Washington, D.C. Dulles Intl Airport is flying from Culebra to Baltimore, which will take roughly 12h 32m. Keep in mind that layovers or delays could extend your travel time.

How many operators does momondo search for flights from Puerto Rico to Washington, D.C. Dulles Intl Airport?

As of August 2025, there are 3 operators available to choose from for flights from Puerto Rico to Washington, D.C. Dulles Intl Airport.

How old do you have to be to fly from Puerto Rico to Washington, D.C. Dulles Intl Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Puerto Rico to Washington, D.C. Dulles Intl Airport.

What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?

The travel and health documents required for your trip to Washington, D.C. Dulles Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Washington, D.C. Dulles Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$68 Cheap Flights from Puerto Rico to Washington, D.C. Dulles Intl Airport in 2025

Q: How many flights depart from Puerto Rico to Washington, D.C. Dulles Intl Airport on average per day?

The number of flights available between Puerto Rico and Washington, D.C. Dulles Intl Airport is 2 per day as of August 2025. The most frequent departure time is 4:00PM, with 70% of daily flights leaving in the afternoon.

Q: How many flights depart from Puerto Rico to Washington, D.C. Dulles Intl Airport on average per week?

As of August 2025, 16 flights take off from Puerto Rico and land in Washington, D.C. Dulles Intl Airport each week. The most common flight departure day for this route is Thu, with 19% of weekly flights taking off on this day.

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Recent round-trip flight deals from Puerto Rico to Washington, D.C.

6:25 am - 9:21 amSJU-IAD

3h 56mnonstop

10:09 am - 3:01 pmIAD-SJU

3h 52mnonstop

$176Frontier

Find Deal

qui, nov 6 - dom, nov 9

4:52 pm - 11:59 pmSJU-IAD

8h 07m1 stop

5:32 pm - 10:22 pmIAD-SJU

3h 50mnonstop

$186United Airlines

Find Deal

sex, nov 7 - dom, nov 9

4:45 pm - 9:55 amSJU-IAD

17h 10m1 stop

7:55 am - 8:48 pmIAD-SJU

11h 53m1 stop

$195American Airlines

Find Deal

qui, out 30 - ter, nov 4

7:10 am - 11:50 pmSJU-IAD

16h 40m1 stop

5:41 pm - 11:54 pmIAD-SJU

6h 13m1 stop

$199American Airlines

Find Deal

qui, out 23 - seg, out 27

7:33 am - 11:29 amSJU-IAD

3h 56mnonstop

12:31 pm - 4:28 pmIAD-SJU

3h 57mnonstop

$201Frontier

Find Deal

qui, ago 14 - dom, ago 17

7:00 am - 10:56 amSJU-IAD

3h 56mnonstop

11:44 am - 3:36 pmIAD-SJU

3h 52mnonstop

$205Frontier

Find Deal

qui, out 16 - dom, out 19

4:55 pm - 8:52 pmSJU-IAD

3h 57mnonstop

6:15 am - 1:45 pmIAD-SJU

7h 30m1 stop

$208United Airlines

Find Deal

qui, out 9 - seg, out 13

7:33 am - 11:29 amSJU-IAD

3h 56mnonstop

12:31 pm - 4:28 pmIAD-SJU

3h 57mnonstop

$209Frontier

Find Deal

qui, ago 14 - dom, ago 17

7:00 am - 4:31 pmSJU-IAD

10h 31m1 stop

7:00 am - 2:15 pmIAD-SJU

6h 15m1 stop

$225Delta

Find Deal

qui, nov 6 - seg, nov 10

2:15 pm - 11:06 pmSJU-IAD

8h 51m1 stop

12:08 pm - 11:47 pmIAD-SJU

11h 39m1 stop

$245Delta

Find Deal

sex, set 19 - dom, set 28

Frontier flights from Puerto Rico to Washington, D.C. Dulles Intl Airport

Our best Frontier deals on Puerto Rico to Washington, D.C. Dulles Intl Airport flight tickets

Frontier

Nov 6

SJU6:25 amSan Juan Luis Munoz Marin Intl

3h 56m

IAD9:21 amWashington, D.C. Dulles Intl

Nov 9

IAD10:09 amWashington, D.C. Dulles Intl

3h 52m

SJU3:01 pmSan Juan Luis Munoz Marin Intl

$176

Find similar

Frontier

Aug 14

SJU7:33 amSan Juan Luis Munoz Marin Intl

3h 56m

IAD11:29 amWashington, D.C. Dulles Intl

Aug 17

IAD12:31 pmWashington, D.C. Dulles Intl

3h 57m

SJU4:28 pmSan Juan Luis Munoz Marin Intl

$201

Find similar

Frontier

Oct 16

SJU7:00 amSan Juan Luis Munoz Marin Intl

3h 56m

IAD10:56 amWashington, D.C. Dulles Intl

Oct 19

IAD11:44 amWashington, D.C. Dulles Intl

3h 52m

SJU3:36 pmSan Juan Luis Munoz Marin Intl

$205

Find similar

American Airlines flights from Puerto Rico to Washington, D.C. Dulles Intl Airport

Our best American Airlines deals on Puerto Rico to Washington, D.C. Dulles Intl Airport flight tickets

American Airlines

Oct 30

SJU4:45 pmSan Juan Luis Munoz Marin Intl

17h 10m

1 stop

IAD9:55 amWashington, D.C. Dulles Intl

Nov 4

IAD7:55 amWashington, D.C. Dulles Intl

11h 53m

1 stop

SJU8:48 pmSan Juan Luis Munoz Marin Intl

$195

Find similar

American Airlines

Oct 23

SJU7:10 amSan Juan Luis Munoz Marin Intl

16h 40m

1 stop

IAD11:50 pmWashington, D.C. Dulles Intl

Oct 27

IAD5:41 pmWashington, D.C. Dulles Intl

6h 13m

1 stop

SJU11:54 pmSan Juan Luis Munoz Marin Intl

$199

Find similar

American Airlines

Aug 29

SJU8:00 amSan Juan Luis Munoz Marin Intl

15h 52m

1 stop

IAD11:52 pmWashington, D.C. Dulles Intl

Sep 7

IAD6:00 pmWashington, D.C. Dulles Intl

20h 15m

1 stop

SJU2:15 pmSan Juan Luis Munoz Marin Intl

$235

Find similar

momondo 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

qui 11/6

6:25 am-9:21 am

Nonstop3h 56m

Washington, D.C. Dulles Intl

dom 11/9

10:09 am-3:01 pm

Nonstop3h 52m

$176

San JuanWashington, D.C.

SJU - IAD

SJUIAD

San Juan Luis Munoz Marin Intl

sex 11/7

4:52 pm-11:59 pm

1 stop8h 07m

Washington, D.C. Dulles Intl

dom 11/9

5:32 pm-10:22 pm

Nonstop3h 50m

$186

San JuanWashington, D.C.

SJU - IAD

SJUIAD

San Juan Luis Munoz Marin Intl

qui 10/30

4:45 pm-9:55 am

1 stop17h 10m

Washington, D.C. Dulles Intl

ter 11/4

7:55 am-8:48 pm

1 stop11h 53m

$195

San JuanWashington, D.C.

SJU - IAD

SJUIAD

San Juan Luis Munoz Marin Intl

qui 10/23

7:10 am-11:50 pm

1 stop16h 40m

Washington, D.C. Dulles Intl

seg 10/27

5:41 pm-11:54 pm

1 stop6h 13m

$199

San JuanWashington, D.C.

SJU - IAD

SJUIAD

San Juan Luis Munoz Marin Intl

qui 8/14

7:33 am-11:29 am

Nonstop3h 56m

Washington, D.C. Dulles Intl

dom 8/17

12:31 pm-4:28 pm

Nonstop3h 57m

$201

San JuanWashington, D.C.

SJU - IAD

SJUIAD

San Juan Luis Munoz Marin Intl

qui 10/16

7:00 am-10:56 am

Nonstop3h 56m

Washington, D.C. Dulles Intl

dom 10/19

11:44 am-3:36 pm

Nonstop3h 52m

$205

San JuanWashington, D.C.

SJU - IAD

SJUIAD

San Juan Luis Munoz Marin Intl

qui 10/9

4:55 pm-8:52 pm

Nonstop3h 57m

Washington, D.C. Dulles Intl

seg 10/13

6:15 am-1:45 pm

1 stop7h 30m

$208

San JuanWashington, D.C.

SJU - IAD

SJUIAD

San Juan Luis Munoz Marin Intl

qui 8/14

7:33 am-11:29 am

Nonstop3h 56m

Washington, D.C. Dulles Intl

dom 8/17

12:31 pm-4:28 pm

Nonstop3h 57m

$209

San JuanWashington, D.C.

SJU - IAD

SJUIAD

San Juan Luis Munoz Marin Intl

qui 11/6

7:00 am-4:31 pm

1 stop10h 31m

Washington, D.C. Dulles Intl

seg 11/10

7:00 am-2:15 pm

1 stop6h 15m

$225

San JuanWashington, D.C.

SJU - IAD

SJUIAD

San Juan Luis Munoz Marin Intl

sex 9/19

2:15 pm-11:06 pm

1 stop8h 51m

Washington, D.C. Dulles Intl

dom 9/28

12:08 pm-11:47 pm

1 stop11h 39m

$245

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Puerto Rico to Washington, D.C. Dulles Intl Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

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

In general, July is the cheapest month to fly from Puerto Rico to Washington, D.C. Dulles Intl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $258. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of July, then flying in March is also cheap. Prices for this month can be found on momondo for an average of $294.

What is the cheapest day to depart on your flight to Washington, D.C. Dulles Intl Airport?

Our data shows that Thursday is the least expensive day to fly to Washington, D.C. Dulles Intl Airport. Tickets to fly out on this day can be as low as $378. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from Puerto Rico to Washington, D.C. Dulles Intl Airport for around $676.

What is the cheapest time of day to depart on your flight to Washington, D.C. Dulles Intl Airport?

Flying to Washington, D.C. Dulles Intl Airport from Puerto Rico at noon is the least expensive time of day to depart. momondo users have found prices as low as $369 when looking at flights departing at noon. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $555 on average. Flights to Washington, D.C. Dulles Intl Airport from Puerto Rico in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

What is the cheapest Puerto Rico to Washington, D.C. Dulles Intl flight route?

Fly from San Juan Luis Munoz Marin Intl to Washington, D.C. Dulles Intl for the best Puerto Rico - Washington, D.C. Dulles Intl flight prices

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

You are more likely to see cheaper flights to Washington, D.C. Dulles Intl Airport from Puerto Rico when booking weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. Dulles Intl Airport for around $394 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. Dulles Intl Airport from Puerto Rico for as low as $261 on momondo.

What cabin class options are available on Puerto Rico to Washington, D.C. Dulles Intl flights?

There are 4 cabin classes available to choose from on Puerto Rico to Washington, D.C. Dulles Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Puerto Rico to Washington, D.C. Dulles Intl Airport flights?

You could potentially save up to 14% on your flight if you consider stops on a Puerto Rico to Washington, D.C. Dulles Intl Airport flight.

Cheap Puerto Rico to Washington, D.C. Dulles Intl Airport flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Puerto Rico to Washington, D.C. Dulles Intl Airport

Best Price Found	$68
Fastest flight time	3h 56m
Direct flights	Every day

The best one-way flight to Washington, D.C. Dulles Intl Airport from Puerto Rico in the past 72 hours is $68. The best round-trip flight deal from Puerto Rico to Washington, D.C. Dulles Intl Airport found on momondo in the last 72 hours is $176.

The fastest flight from Puerto Rico to Washington, D.C. Dulles Intl Airport takes 3h 56m

Direct flights go from Puerto Rico to Washington, D.C. Dulles Intl Airport every day.

Search flight deals

When did momondo last update prices for flights from Puerto Rico to Washington, D.C. Dulles Intl Airport?
Prices for flights from Puerto Rico to Washington, D.C. Dulles Intl Airport are updated daily.
How many operators does momondo search for flights from Puerto Rico to Washington, D.C. Dulles Intl Airport?
As of August 2025, there are 3 operators available to choose from for flights from Puerto Rico to Washington, D.C. Dulles Intl Airport.
How old do you have to be to fly from Puerto Rico to Washington, D.C. Dulles Intl Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Puerto Rico to Washington, D.C. Dulles Intl Airport.
What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?
The travel and health documents required for your trip to Washington, D.C. Dulles Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Washington, D.C. Dulles Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from Puerto Rico to Washington, D.C. Dulles Intl Airport?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Puerto Rico to Washington, D.C. Dulles Intl Airport is Airbus A321neo (23.83% of total bookings). The next most popular plane models are Boeing 737 MAX 9 (16.52%), Boeing 737 MAX 8 (15.51%), and Airbus A320neo (14.25%).

Best airlines flying from Puerto Rico to Washington, D.C. Dulles Intl Airport

Compare and see reviews for airlines that fly from Puerto Rico to Washington, D.C. Dulles Intl Airport with momondo

Airline	Rating	Free Cancellation	Price
Frontier	PriceFrom $99	Free Cancellation	Rating 5.9 3,239 reviews	Search Frontier flights
United Airlines	PriceFrom $250	Free Cancellation	Rating 7.4 8,900 reviews	Search United Airlines flights
Delta	PriceFrom $269	Free Cancellation	Rating 8.0 7,981 reviews	Search Delta flights

Alexandria

Gettysburg

Arlington

National Harbor

Winchester

Woodbridge

Laurel

Tysons

Silver Spring

Waldorf

Fredericksburg

Manassas

Harpers Ferry

Towson

Rockville

Colonial Beach

Gaithersburg

Fairfax

Reston

Glen Burnie

Why use momondo?

Why should I use momondo to find a flight deal from Puerto Rico to Washington, D.C.?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Puerto Rico to Washington, D.C. for you.

Can I find flights from Puerto Rico to Washington, D.C. with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Washington, D.C. from Puerto Rico with this policy.

How can momondo help me find flights from Puerto Rico to Washington, D.C.?

Once you have performed a search for Puerto Rico to Washington, D.C. flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Puerto Rico to Washington, D.C. right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Puerto Rico to Washington, D.C. now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Washington, D.C. and let you know when they change.

An easier way to manage your Washington, D.C. Dulles Intl Airport trip

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Cheap flights from Puerto Rico to Washington, D.C. from $68

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Puerto Rico to Washington, D.C. departing on 10/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Find the cheapest flights from Puerto Rico to Washington, D.C.

Recent round-trip flight deals from Puerto Rico to Washington, D.C.

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Frontier flights from Puerto Rico to Washington, D.C. Dulles Intl Airport

Our best Frontier deals on Puerto Rico to Washington, D.C. Dulles Intl Airport flight tickets

American Airlines flights from Puerto Rico to Washington, D.C. Dulles Intl Airport

Our best American Airlines deals on Puerto Rico to Washington, D.C. Dulles Intl Airport flight tickets

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How to get the cheapest flight ticket from Puerto Rico to Washington, D.C. Dulles Intl Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

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

What is the cheapest day to depart on your flight to Washington, D.C. Dulles Intl Airport?

What is the cheapest time of day to depart on your flight to Washington, D.C. Dulles Intl Airport?

What is the cheapest Puerto Rico to Washington, D.C. Dulles Intl flight route?

Fly from San Juan Luis Munoz Marin Intl to Washington, D.C. Dulles Intl for the best Puerto Rico - Washington, D.C. Dulles Intl flight prices

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

What cabin class options are available on Puerto Rico to Washington, D.C. Dulles Intl flights?

There are 4 cabin classes available to choose from on Puerto Rico to Washington, D.C. Dulles Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Puerto Rico to Washington, D.C. Dulles Intl Airport flights?

You could potentially save up to 14% on your flight if you consider stops on a Puerto Rico to Washington, D.C. Dulles Intl Airport flight.

What is the cheapest airline that flies from Puerto Rico to Washington, D.C. Dulles Intl?

United Airlines, Frontier, and American Airlines are the most popular carriers operating from Puerto Rico to Washington, D.C. Dulles Intl

What airlines fly to Washington, D.C. Dulles Intl Airport?

How many flights depart from Puerto Rico to Washington, D.C. Dulles Intl Airport on average per day?

The number of flights available between Puerto Rico and Washington, D.C. Dulles Intl Airport is 2 per day as of August 2025. The most frequent departure time is 4:00PM, with 70% of daily flights leaving in the afternoon.

How many flights depart from Puerto Rico to Washington, D.C. Dulles Intl Airport on average per week?

As of August 2025, 16 flights take off from Puerto Rico and land in Washington, D.C. Dulles Intl Airport each week. The most common flight departure day for this route is Thu, with 19% of weekly flights taking off on this day.

How long does it take to fly to Washington, D.C. Dulles Intl Airport?

Cheap Puerto Rico to Washington, D.C. Dulles Intl Airport flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Puerto Rico to Washington, D.C. Dulles Intl Airport

Best Price Found

Fastest flight time

Direct flights

When did momondo last update prices for flights from Puerto Rico to Washington, D.C. Dulles Intl Airport?

How many operators does momondo search for flights from Puerto Rico to Washington, D.C. Dulles Intl Airport?

How old do you have to be to fly from Puerto Rico to Washington, D.C. Dulles Intl Airport?

What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?

What is the most popular plane model from Puerto Rico to Washington, D.C. Dulles Intl Airport?

Best airlines flying from Puerto Rico to Washington, D.C. Dulles Intl Airport

Compare and see reviews for airlines that fly from Puerto Rico to Washington, D.C. Dulles Intl Airport with momondo

Traveling to a place near Washington, D.C.?

Why use momondo?

Why should I use momondo to find a flight deal from Puerto Rico to Washington, D.C.?

Can I find flights from Puerto Rico to Washington, D.C. with flexible booking policies on momondo?

How can momondo help me find flights from Puerto Rico to Washington, D.C.?

I’m not ready to book a flight from Puerto Rico to Washington, D.C. right now. Can momondo alert me if prices change?

An easier way to manage your Washington, D.C. Dulles Intl Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Washington, D.C.

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