What day of the week experiences the fewest flight delays on this route?

Wednesday is statistically the day of the week which experiences the fewest number of delays on this flight route. Thursday has historically seen more delays on average compared to the rest of the week.

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

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

What is the most punctual flight time for Washington, D.C. to Puerto Rico flights?

Generally, flights departing in the morning tend to experience fewer delays. Flights in the evening have, in the past, seen delays more frequently in comparison.

Which airline has the best punctuality record on Washington, D.C. to Puerto Rico flights?

According to our data, United Airlines have had the least number of delays on this route over the last 12 months; with about 16% of their flights experiencing any sort of delay.

What airlines fly to Puerto Rico?

United Airlines, Frontier and Delta are the top three most popular airlines that fly to Puerto Rico from Washington, D.C. Dulles Intl Airport according to our data. United Airlines is the first choice among our users, with 55% of people opting to fly with this airline when traveling to Puerto Rico. Keep in mind that there are 6 different airlines that fly to Puerto Rico on a routine basis, so you have a few additional options to choose from.

How often are flights from Washington, D.C. to Puerto Rico delayed?

Historically, on average around 19% of flights between Washington, D.C. and Puerto Rico have experienced a delay on any given week. The average delay length over the past 12 months has been 120 minutes.

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

Prices for flights from Washington, D.C. Dulles Intl Airport to Puerto Rico are refreshed on a daily basis.

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

As of December 2025, there are 6 operators available to choose from for flights from Washington, D.C. Dulles Intl Airport to Puerto Rico.

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

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

What documentation or ID do you need to fly to Puerto Rico?

The travel and health documents required for your trip to Puerto Rico 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 Puerto Rico. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$97 Cheap Flights from Washington, D.C. Dulles Intl Airport to Puerto Rico in 2025/26

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

As of December 2025, 38 flights take off from Washington, D.C. Dulles Intl Airport and land in Puerto Rico each week. The most common flight departure day for this route is Fri, with 16% of weekly flights taking off on this day.

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

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

9:33 am - 11:20 am

IAD

PSE

24h 47m1 stop

1:50 pm - 8:33 am

PSE

IAD

19h 43m1 stop

$176Frontier

Sat, Jan 17 - Sat, Jan 24

1:31 pm - 11:59 pm

IAD

SJU

9h 28m1 stop

8:15 am - 3:03 pm

SJU

IAD

7h 48m1 stop

$178Frontier

Mon, Jan 26 - Mon, Feb 2

8:20 pm - 1:05 am

IAD

SJU

3h 45mnonstop

3:53 am - 8:09 am

SJU

IAD

29h 16m1 stop

$179Frontier

Sat, Feb 21 - Sat, Feb 21

6:00 am - 4:21 pm

IAD

SJU

9h 21m1 stop

7:34 pm - 8:04 am

SJU

IAD

13h 30m1 stop

$180Frontier

Sat, Jan 10 - Sat, Jan 17

10:03 am - 2:48 am

IAD

BQN

15h 45m1 stop

3:48 am - 8:04 am

BQN

IAD

29h 16m1 stop

$180Frontier

Sat, Jan 10 - Fri, Jan 16

2:58 pm - 2:58 am

IAD

BQN

11h 00m2 stops

3:48 am - 7:58 pm

BQN

IAD

17h 10m1 stop

$236Multiple Airlines

Fri, Jan 9 - Thu, Jan 15

8:20 am - 11:57 pm

IAD

BQN

14h 37m2 stops

1:09 am - 7:20 am

BQN

IAD

7h 11m1 stop

$268United Airlines

Sun, Feb 1 - Wed, Feb 4

8:20 am - 11:57 pm

IAD

BQN

14h 37m2 stops

1:09 am - 7:20 am

BQN

IAD

7h 11m1 stop

$324United Airlines

Sun, Jan 25 - Sat, Jan 31

8:20 am - 11:57 pm

IAD

BQN

14h 37m2 stops

1:09 am - 7:20 am

BQN

IAD

7h 11m1 stop

$332United Airlines

Mon, Jan 19 - Sun, Jan 25

5:28 pm - 3:49 pm

IAD

MAZ

22h 21m1 stop

1:25 pm - 8:54 pm

MAZ

IAD

7h 29m1 stop

$1,126United Airlines

Sat, Jun 20 - Sat, Jun 27

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

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

American Airlines

Jan 14

IAD6:00 amWashington, D.C. Dulles Intl

15h 26m

1 stop

SJU10:26 pmSan Juan Luis Munoz Marin Intl

Jan 25

SJU3:49 pmSan Juan Luis Munoz Marin Intl

8h 23m

1 stop

IAD11:12 pmWashington, D.C. Dulles Intl

$209

Find similar

American Airlines

Jan 8

IAD7:01 amWashington, D.C. Dulles Intl

12h 49m

1 stop

SJU8:50 pmSan Juan Luis Munoz Marin Intl

Jan 13

SJU7:07 amSan Juan Luis Munoz Marin Intl

15h 10m

1 stop

IAD9:17 pmWashington, D.C. Dulles Intl

$224

Find similar

American Airlines

Feb 9

IAD7:01 amWashington, D.C. Dulles Intl

12h 49m

1 stop

SJU8:50 pmSan Juan Luis Munoz Marin Intl

Feb 18

SJU7:30 amSan Juan Luis Munoz Marin Intl

16h 18m

1 stop

IAD10:48 pmWashington, D.C. Dulles Intl

$225

Find similar

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

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

Frontier

Jan 17

IAD9:33 amWashington, D.C. Dulles Intl

24h 47m

1 stop

PSE11:20 amPonce Mercedita

Jan 24

PSE1:50 pmPonce Mercedita

19h 43m

1 stop

IAD8:33 amWashington, D.C. Dulles Intl

$176

Find similar

Frontier

Jan 5

IAD8:26 pmWashington, D.C. Dulles Intl

3h 54m

SJU1:20 amSan Juan Luis Munoz Marin Intl

Jan 9

SJU3:11 pmSan Juan Luis Munoz Marin Intl

4h 13m

IAD6:24 pmWashington, D.C. Dulles Intl

$179

Find similar

Frontier

Jan 10

IAD10:03 amWashington, D.C. Dulles Intl

6h 05m

1 stop

SJU5:08 pmSan Juan Luis Munoz Marin Intl

Jan 12

SJU6:30 amSan Juan Luis Munoz Marin Intl

8h 38m

1 stop

IAD2:08 pmWashington, D.C. Dulles Intl

$180

Find similar

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Ponce

IAD - PSE

IADPSE

Washington, D.C. Dulles Intl

Sat 1/17

9:33 am-11:20 am

1 stop24h 47m

Ponce Mercedita

Sat 1/24

1:50 pm-8:33 am

1 stop19h 43m

$176

Washington, D.C.San Juan

IAD - SJU

IADSJU

Washington, D.C. Dulles Intl

Mon 1/26

1:31 pm-11:59 pm

1 stop9h 28m

San Juan Luis Munoz Marin Intl

Mon 2/2

8:15 am-3:03 pm

1 stop7h 48m

$178

Washington, D.C.San Juan

IAD - SJU

IADSJU

Washington, D.C. Dulles Intl

Sat 2/21

8:20 pm-1:05 am

Nonstop3h 45m

San Juan Luis Munoz Marin Intl

Sat 2/21

3:53 am-8:09 am

1 stop29h 16m

$179

Washington, D.C.San Juan

IAD - SJU

IADSJU

Washington, D.C. Dulles Intl

Sat 1/10

6:00 am-4:21 pm

1 stop9h 21m

San Juan Luis Munoz Marin Intl

Sat 1/17

7:34 pm-8:04 am

1 stop13h 30m

$180

Washington, D.C.Aguadilla

IAD - BQN

IADBQN

Washington, D.C. Dulles Intl

Sat 1/10

10:03 am-2:48 am

1 stop15h 45m

Aguadilla Borinquen

Fri 1/16

3:48 am-8:04 am

1 stop29h 16m

$180

Washington, D.C.Aguadilla

IAD - BQN

IADBQN

Washington, D.C. Dulles Intl

Fri 1/9

2:58 pm-2:58 am

2 stops11h 00m

Aguadilla Borinquen

Thu 1/15

3:48 am-7:58 pm

1 stop17h 10m

$236

Washington, D.C.Aguadilla

IAD - BQN

IADBQN

Washington, D.C. Dulles Intl

Sun 2/1

8:20 am-11:57 pm

2 stops14h 37m

Aguadilla Borinquen

Wed 2/4

1:09 am-7:20 am

1 stop7h 11m

$268

Washington, D.C.Aguadilla

IAD - BQN

IADBQN

Washington, D.C. Dulles Intl

Sun 1/25

8:20 am-11:57 pm

2 stops14h 37m

Aguadilla Borinquen

Sat 1/31

1:09 am-7:20 am

1 stop7h 11m

$324

Washington, D.C.Aguadilla

IAD - BQN

IADBQN

Washington, D.C. Dulles Intl

Mon 1/19

8:20 am-11:57 pm

2 stops14h 37m

Aguadilla Borinquen

Sun 1/25

1:09 am-7:20 am

1 stop7h 11m

$332

Washington, D.C.Mayagüez

IAD - MAZ

IADMAZ

Washington, D.C. Dulles Intl

Sat 6/20

5:28 pm-3:49 pm

1 stop22h 21m

Mayagüez Eugenio M De Hostos

Sat 6/27

1:25 pm-8:54 pm

1 stop7h 29m

$1,126

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Showing 1-10 of 20 resultsSorted by cheapest first

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

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

Delays

Other information

What is the cheapest month to fly to Puerto Rico?

If you don’t want to visit Puerto Rico in June, then you should wait until October to fly from Washington, D.C. Dulles Intl Airport, when ticket prices are also cheap, with an average price of $310.

What is the cheapest day to depart on your flight to Puerto Rico?

On average, the least expensive day to fly to Puerto Rico from Washington, D.C. Dulles Intl Airport is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $340. However, this price may fluctuate depending on the airline, the season, and holidays. The most expensive day to fly to Puerto Rico is Friday, with ticket prices averaging around $495.

What is the cheapest time of day to depart on your flight to Puerto Rico?

Our most recent data shows that the best time of day to fly to Puerto Rico is at noon. Flights from Washington, D.C. Dulles Intl Airport to Puerto Rico during this time can be as low as $238. In contrast, the most expensive time of day to depart to Puerto Rico is in the afternoon when prices are around $427.

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

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

How far in advance should I book a flight to Puerto Rico?

You are more likely to see cheaper flights to Puerto Rico from Washington, D.C. Dulles Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Puerto Rico for around $405 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Puerto Rico from Washington, D.C. Dulles Intl Airport for as low as $326 on momondo.

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

There are 4 cabin classes available to choose from on Washington, D.C. Dulles Intl to Puerto Rico 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 Washington, D.C. Dulles Intl Airport to Puerto Rico flights?

No. A direct flight is the cheapest option for a flight between Washington, D.C. Dulles Intl Airport to Puerto Rico.

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

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

Best Price Found	$127
Fastest flight time	3h 45m
Direct flights	Every day
Airports in Puerto Rico	20 airports

The best one-way flight to Puerto Rico from Washington, D.C. Dulles Intl Airport in the past 72 hours is $127. The best round-trip flight deal from Washington, D.C. Dulles Intl Airport to Puerto Rico found on momondo in the last 72 hours is $293.

The fastest flight from Washington, D.C. Dulles Intl Airport to Puerto Rico takes 3h 45m

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

There are 20 airports in Puerto Rico. From Washington, D.C. Dulles Intl Airport there are direct flights to San Juan Luis Munoz Marin Intl (SJU).

Search flight deals

When did momondo last update prices for flights from Washington, D.C. Dulles Intl Airport to Puerto Rico?
Prices for flights from Washington, D.C. Dulles Intl Airport to Puerto Rico are refreshed on a daily basis.
How many operators does momondo search for flights from Washington, D.C. Dulles Intl Airport to Puerto Rico?
As of December 2025, there are 6 operators available to choose from for flights from Washington, D.C. Dulles Intl Airport to Puerto Rico.
How old do you have to be to fly from Washington, D.C. Dulles Intl Airport to Puerto Rico?
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 Washington, D.C. Dulles Intl Airport to Puerto Rico.
What documentation or ID do you need to fly to Puerto Rico?
The travel and health documents required for your trip to Puerto Rico 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 Puerto Rico. 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 Washington, D.C. Dulles Intl Airport to Puerto Rico?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Washington, D.C. Dulles Intl Airport to Puerto Rico is Boeing 737 MAX 9 (19.89% of total bookings). The next most popular plane models are Airbus A321neo (17.61%), Boeing 737-900 (13.14%), and Airbus A321-100/200 (12.60%).

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

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

Airline	Rating	Free Cancellation	Price
Frontier	PriceFrom $100	Free Cancellation	Rating 5.8 3,070 reviews	Search Frontier flights
Delta	PriceFrom $148	Free Cancellation	Rating 7.9 8,021 reviews	Search Delta flights
Spirit Airlines	PriceFrom $151	Free Cancellation	Rating 6.3 8,211 reviews	Search Spirit Airlines flights
JetBlue	PriceFrom $161	Free Cancellation	Rating 7.2 2,902 reviews	Search JetBlue flights
American Airlines	PriceFrom $219	Free Cancellation	Rating 7.2 11,069 reviews	Search American Airlines flights
United Airlines	PriceFrom $269	Free Cancellation	Rating 7.4 9,116 reviews	Search United Airlines flights

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Washington, D.C. to Puerto Rico. Millions of users trust and use momondo every year so you are in good hands.

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

Yes. All flights to Puerto Rico from Washington, D.C. on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once all potential Washington, D.C. to Puerto Rico flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Price alerts on flights to Puerto Rico from Washington, D.C. are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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Popular cities in Puerto Rico

Flights to San Juanfrom $80

Flights to Aguadillafrom $136

Flights to Mayagüezfrom $332

Washington, D.C. Dulles Intl Airport flight routes

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Flights from Washington, D.C. Dulles Intl to Orlando

Flights from Washington, D.C. Dulles Intl to Wilmington New Hanover County

Flights from Washington, D.C. Dulles Intl to Asheville Regional

Cheap flights from Washington, D.C. Dulles Intl Airport to Puerto Rico from $91

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

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

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

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

See travel insights to Puerto Rico from

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

What is the cheapest month to fly to Puerto Rico?

If you don’t want to visit Puerto Rico in June, then you should wait until October to fly from Washington, D.C. Dulles Intl Airport, when ticket prices are also cheap, with an average price of $310.

What is the cheapest day to depart on your flight to Puerto Rico?

What is the cheapest time of day to depart on your flight to Puerto Rico?

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

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

How far in advance should I book a flight to Puerto Rico?

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

There are 4 cabin classes available to choose from on Washington, D.C. Dulles Intl to Puerto Rico 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 Washington, D.C. Dulles Intl Airport to Puerto Rico flights?

No. A direct flight is the cheapest option for a flight between Washington, D.C. Dulles Intl Airport to Puerto Rico.

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

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

What airlines fly to Puerto Rico?

How often are flights from Washington, D.C. to Puerto Rico delayed?

Historically, on average around 19% of flights between Washington, D.C. and Puerto Rico have experienced a delay on any given week. The average delay length over the past 12 months has been 120 minutes.

What is the most punctual flight time for Washington, D.C. to Puerto Rico flights?

Generally, flights departing in the morning tend to experience fewer delays. Flights in the evening have, in the past, seen delays more frequently in comparison.

What day of the week experiences the fewest flight delays on this route?

Wednesday is statistically the day of the week which experiences the fewest number of delays on this flight route. Thursday has historically seen more delays on average compared to the rest of the week.

Which airline has the best punctuality record on Washington, D.C. to Puerto Rico flights?

According to our data, United Airlines have had the least number of delays on this route over the last 12 months; with about 16% of their flights experiencing any sort of delay.

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

As of December 2025, 5 flights take off from Washington, D.C. Dulles Intl Airport and land in Puerto Rico each day. The most common flight departure time for this route is 5:00PM, with 55% of daily flights taking off in the afternoon.

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

As of December 2025, 38 flights take off from Washington, D.C. Dulles Intl Airport and land in Puerto Rico each week. The most common flight departure day for this route is Fri, with 16% of weekly flights taking off on this day.

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

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

Best Price Found

Fastest flight time

Direct flights

Airports in Puerto Rico

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

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

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

What documentation or ID do you need to fly to Puerto Rico?

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

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

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

Why use momondo?

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

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

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

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

An easier way to manage your Puerto Rico 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 Puerto Rico

Popular cities in Puerto Rico

Popular flights according to clicks in the last 7 days on momondo