Cheap flights from Puerto Rico to Washington, D.C. Dulles Intl Airport from $66
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. Dulles Intl Airport departing on 5/22. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Round-trip
1 adult
Economy
0 bags
Discover deals from 900+ travel sites with momondo.
Save money when you book flights with momondo
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from Puerto Rico to Washington, D.C.
Round-trip
One-way
Last minute
Direct
Recent round-trip flight deals from Puerto Rico to Washington, D.C.
KAYAK's recommended round-trip deals from the most popular airlines that fly from Puerto Rico to Washington, D.C..
Recent one-way flight deals from Puerto Rico to Washington, D.C.
Flying one-way? These are some of the best deals recently discovered on momondo for flights from Puerto Rico to Washington, D.C..
Recent last minute flight deals from Puerto Rico to Washington, D.C.
Planning a quick getaway from Puerto Rico to Washington, D.C.? These are the last-minute flight deals available now.
Recent direct flight deals from Puerto Rico to Washington, D.C.
If you prefer a non-stop journey, check out our latest direct flight deals to Washington, D.C., so you can enjoy a seamless trip without layovers.
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![Frontier]()
May 22![Frontier]()
Jun 1
SJU7:20 amSan Juan Luis Munoz Marin Intl
3h 55m
IAD11:15 amWashington, D.C. Dulles Intl
IAD12:28 pmWashington, D.C. Dulles Intl
3h 50m
SJU4:18 pmSan Juan Luis Munoz Marin Intl
Frontier![Frontier]()
May 22![Frontier]()
Jun 1
SJU7:20 amSan Juan Luis Munoz Marin Intl
3h 55m
IAD11:15 amWashington, D.C. Dulles Intl
IAD12:28 pmWashington, D.C. Dulles Intl
3h 50m
SJU4:18 pmSan Juan Luis Munoz Marin Intl
United Airlines flights from Puerto Rico to Washington, D.C. Dulles Intl Airport
Our best United Airlines deals on Puerto Rico to Washington, D.C. Dulles Intl Airport flight tickets
United Airlines![United Airlines]()
May 21![United Airlines]()
May 29
SJU1:05 amSan Juan Luis Munoz Marin Intl
6h 14m
1 stop
IAD7:19 amWashington, D.C. Dulles Intl
IAD3:40 pmWashington, D.C. Dulles Intl
8h 17m
1 stop
SJU11:57 pmSan Juan Luis Munoz Marin Intl
United Airlines![United Airlines]()
May 22![United Airlines]()
May 29
SJU7:25 amSan Juan Luis Munoz Marin Intl
3h 59m
IAD11:24 amWashington, D.C. Dulles Intl
IAD3:40 pmWashington, D.C. Dulles Intl
8h 17m
1 stop
SJU11:57 pmSan Juan Luis Munoz Marin Intl
See travel insights to Washington, D.C. from
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, March 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 $294. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of March, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $353.
What is the cheapest day to depart on your flight to Washington, D.C. Dulles Intl Airport?
Our data shows that Friday 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 $474. When flying out on a Sunday, 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 $709.
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 $550 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 16 weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. Dulles Intl Airport for around $428 when searching 16 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 $287 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.
What is the cheapest airline that flies from Puerto Rico to Washington, D.C. Dulles Intl?
Frontier, United Airlines, 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 76% 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 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 April 2025. The most frequent departure time is 7:00AM, with 77% of daily flights leaving at noon.
How many flights depart from Puerto Rico to Washington, D.C. Dulles Intl Airport on average per week?
As of April 2025, 14 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 Mon, with 14% of weekly flights taking off on this day.
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
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 April 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 A320neo (22.12% of total bookings). The next most popular plane models are Boeing 737 MAX 9 (16.99%), Airbus A321neo (16.35%), and Boeing 737 MAX 8 (15.06%).
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 | ||
|---|---|---|---|---|---|
| PriceFrom $59 | Free Cancellation | Rating 5.9 3,283 reviews | |||
| PriceFrom $269 | Free Cancellation | Rating 8.0 7,919 reviews | |||
| PriceFrom $279 | Free Cancellation | Rating 7.4 8,685 reviews |
Traveling to a place near Washington, D.C.?
Book flights to Washington, D.C. if you plan to visit one of these locationsAlexandria
Arlington
Gettysburg
National Harbor
Laurel
Winchester
Silver Spring
Woodbridge
Tysons
Fredericksburg
Waldorf
Manassas
Harpers Ferry
Gaithersburg
Rockville
Glen Burnie
Towson
Linthicum Heights
Fairfax
Reston
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.
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.
Popular cities in the United States
Popular flights according to clicks in the last 7 days on momondo
Flights to Newark Airportfrom $65
Flights to Orlando Airportfrom $52