Cheap Flights from Washington D.C. to San Juan

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Flight deals from Washington D.C. to San Juan

Looking for a cheap last-minute deal or the best return flight from Washington D.C. to San Juan? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Washington D.C. to San Juan

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Washington D.C. to San Juan flights are currently cheapest in August.

Direct flights from Washington D.C. to San Juan

Alternative Washington D.C. to San Juan routes

Looking for the cheapest, fastest or easiest route from Washington D.C. to San Juan? You could fly into the following airports instead.

Washington D.C. to San Juan: Flight information

The things to know before you go.
Cheapest flight foundر.ق.‏ 267
Cheapest month to flyAugust
Average flight time3 hrs, 56 mins
Most popular airlineSouthwest Airlines
Average flights per week63

Finding cheap flights from Washington D.C. to San Juan: Frequently asked questions

There are 6 airports in San Juan: San Juan Isla Grande, San Juan Luis Munoz Marin, Roosevelt Roads, Ponce, Vieques, and Culebra.
The best price we found for a return flight from Washington D.C. to San Juan is ر.ق.‏ 564. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
3 hours and 55 minutes is the average flight time from Washington D.C. to San Juan.
Southwest Airlines, Spirit Airlines and Air Canada fly direct from Washington D.C. to San Juan.
As of May 2025, there are 63 flights per week flying from Washington D.C. to San Juan.
The cheapest month to fly from Washington D.C. to San Juan is usually May 2025.
If you're flying from Washington D.C., the cheapest airport near San Juan is San Juan Luis Munoz Marin – which is 11.3 km away from the centre of San Juan. We've found flights into this airport from ر.ق.‏ 564.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Washington D.C. to San Juan on Tuesday, 1 July 2025.
Yes – the average flight time is 3 hours and 55 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to San Juan but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to San Juan is around 40 days in advance, so don’t leave your flight to the last minute.
In May, the average temperature is usually around 27°C. August is typically the warmest month in San Juan, when it usually averages around 29°C. You can expect the least rain in February. The coldest month is January, with temperatures averaging 23°C. The rainiest month is September.
The cheapest airline that flies to San Juan is Southwest Airlines. And the cheapest airline that flies to San Juan Luis Munoz Marin Airport is Spirit Airlines.

Travelling from Washington DC to San Juan: what you need to know

  • Organising your flight from Washington DC to San Juan begins with finding the most convenient airport to start your journey. Ronald Reagan National Airport (DCA), Washington Dulles International Airport (IAD) and Baltimore/Wash International Thurgood Marshall Airport (BWI) are the main terminals in Washington DC.

  • Luis Munoz Marin International Airport (SJU) is the primary point of entry to San Juan.

  • The average length of a direct Washington DC to San Juan flight is 3 hours 55 minutes.

  • Washington DC and San Juan are both in the UTC-4 timezone. This means you won't have to change your watch when you arrive.

  • The most popular route for flights from Washington DC to San Juan is from Ronald Reagan National Airport (DCA) to Luis Munoz Marin International Airport (SJU). Take your pick of six weekly services between these two airports. If you want to maximise your time on arrival, the earliest flight from DCA to SJU is the 08:00 JetBlue Airways option. If you prefer to leave later in the day, the final scheduled service is at 08:15 with JetBlue Airways.

  • To ensure you don't miss your Washington DC to San Juan flight, leave plenty of time for things like baggage drop and finding your gate. Arriving two hours ahead of international departures and an hour before domestic flights is the standard rule.

  • Flying during a peak month like February? High seasons (like spring break, Christmas and Thanksgiving) can add an hour at security. Be extra safe and arrive up to four hours ahead of international flights and two hours before domestic departures.

How to find the cheapest flights from Washington DC to San Juan

  • The cheapest price we've found for a one-way ticket from Washington DC to San Juan is ر.ق.‏ 267. For a return flight on this route, the best price is ر.ق.‏ 564. Depending on the availability when you book, these fares may change.

  • Get cheap Washington DC to San Juan flights by booking two months ahead. According to our research, that's the ideal time for picking up a bargain.

  • Plan your trip for May. That's the best month for scoring the biggest deals on plane tickets from Washington DC to San Juan. If you're flexible with your travel dates, use the 'Whole month' tool to find the cheapest price across every month.

  • There's no need to check back in every day to find out if fares have dropped when you set up a Price Alert. We'll let you know the moment there's a better deal on cheap flights from Washington DC to San Juan.

  • Save money on your Washington DC to San Juan flight with the help of our filters. Choose your ideal duration, number of stops and airlines, then sort the results by 'Cheapest' to see the best deals.

Flying from Washington DC

Ronald Reagan National Airport (DCA)

  • If you're looking for a direct flight from Washington DC to San Juan, you can leave from Ronald Reagan National Airport (DCA). Travel from DCA to Luis Munoz Marin International Airport (SJU) in one seamless trip.

  • Secure your Washington DC to San Juan plane tickets with JetBlue Airways. This airline is a popular option for direct flights from DCA.

  • A stopover is the ideal opportunity to take a travel break — and maybe even explore a different city. When browsing Washington DC to San Juan flights departing from Ronald Reagan National Airport, deselect the 'Direct flights only' box to see where you can visit along the way. Popular options include:

    • Raleigh-Durham International Airport (RDU)

    • Orlando International Airport (MCO)

    • Palm Beach International Airport (PBI)

  • The journey from central Washington DC to DCA takes about 45 minutes by public transport. If you ride-share, drive or take a cab, you'll cover the 6 kilometres in 15 minutes or so, depending on traffic.

  • Want a handy hotel close to Ronald Reagan National Airport? If you're boarding an early flight from Washington DC to San Juan, these accommodation options will have you sleeping moments from your departure lounge:

  • Of the departures from Ronald Reagan National Airport, 76.44% touch down on time at their destination.

  • You'll find DCA at 1 Aviation Circle.

Washington Dulles International Airport (IAD)

  • Consider booking your direct flight from Washington DC to San Juan out of Washington Dulles International Airport (IAD). Nonstop connections from IAD will get you to Luis Munoz Marin International Airport (SJU).

  • United Airlines offers direct Washington DC to San Juan plane tickets from IAD. Book your favourite seat and get to your destination in one go.

  • Get more out of your holiday with a stopover on your Washington DC to San Juan flight. Visit friends or family or cross another city off your list. Whatever you decide to do, check out these options between Washington Dulles International Airport and San Juan:

    • Raleigh-Durham International Airport (RDU)

    • Cyril E. King Airport (STT)

    • Orlando International Airport (MCO)

  • With public transport, you can travel from central Washington DC to IAD in around 1 hour 10 minutes. The terminal is roughly 40 kilometres away. Driving will take you about 50 minutes.

  • Start your holiday sooner with an additional night away from home. Before catching your flight from Washington DC to San Juan, stay in one of these hotels near Washington Dulles International Airport:

  • As far as flight punctuality goes, Washington Dulles International Airport has an on-time arrival rate of 74.39%.

  • IAD is located at 1 Saarinen Circle.

Baltimore/Wash International Thurgood Marshall Airport (BWI)

  • You can board a direct flight from Washington DC to San Juan leaving from Baltimore/Wash International Thurgood Marshall Airport (BWI). Reserve a ticket and travel nonstop to Luis Munoz Marin International Airport (SJU).

  • Soar above the clouds with any of these airlines that offer direct Washington DC to San Juan plane tickets from BWI:

  • You can book a ticket from Washington DC to San Juan with one or more stops departing from Baltimore/Wash International Thurgood Marshall Airport (BWI). Here are some of the most popular stopovers between BWI and San Juan:

    • Raleigh-Durham International Airport (RDU)

    • Punta Cana International Airport (PUJ)

    • Orlando International Airport (MCO)

  • BWI is roughly 40 kilometres from central Washington DC. Driving from the city centre to the airport takes about 50 minutes. If you're thinking about taking public transport, expect a journey of around 1 hour 30 minutes.

  • Make catching an early Washington DC to San Juan flight the easiest part of your journey. Book a room at one of these accommodation options close to Baltimore/Wash International Thurgood Marshall Airport and get to your departure gate with plenty of time to spare:

  • Airports have an on-time performance rating that measures how often flights arrive at their destinations within the expected time frame. At BWI, that rate is 77.13%.

Arriving in San Juan

Luis Munoz Marin International Airport (SJU)

  • Luis Munoz Marin International Airport (SJU) is approximately 6 kilometres from central San Juan. If you're catching a cab or a ride-share, the drive takes around 10 minutes.

  • Travelling to the centre on public transport will take you around 55 minutes.

  • Book a hotel near SJU if you're coming in on a late flight from Washington DC to San Juan. Settle into one of these accommodation options and skip the long transfer:

  • Get your adventure underway by picking up a Luis Munoz Marin International Airport rental car. Grab a set of wheels from Sixt, Ace Rent a Car or U-Save and explore beyond San Juan's main sights.

  • To get the best deal, book your vehicle from Luis Munoz Marin International Airport about two weeks ahead of your Washington DC to San Juan flight.

Fernando Luis Ribas Dominicci Airport (SIG)

  • As soon as your flight from Washington DC to San Juan has landed, you can make your way to the city centre in about 15 minutes by car. Central San Juan is roughly 6 kilometres from Fernando Luis Ribas Dominicci Airport (SIG).

  • Public transport will get you there in about 1 hour.

Best time to go to San Juan

  • It's time to choose your travel dates for your flight from Washington DC to San Juan. July is the most popular month to visit San Juan. If you prefer a more peaceful vibe, go in May.

  • Book a Washington DC to San Juan ticket departing in September if you're eager to explore the city during its warmest month. You can expect temperatures in San Juan to range from 23ºC to 33ºC.

  • Look for cheap flights from Washington DC to San Juan in February if you'd rather travel when it's cooler. Temperatures are at their lowest then, ranging between 20ºC and 28ºC on average.

More about San Juan

  • When it comes to looking for somewhere to lay your head, you'll find the most popular stays in San Juan right here. Browse these hotels after you've booked your flight from Washington DC to San Juan:

  • There are so many things to do and see in this city it can be hard to work out where to begin. Castillo San Felipe del Morro, La Garita del morro de san juan bahia and Fortaleza Street are leading attractions which should feature on any well-planned San Juan itinerary.

Explore more of Puerto Rico

  • Bayamon is just one of the many cities in Puerto Rico waiting to be explored once you've seen the sights of San Juan. Around 10 kilometres to the west, popular attractions include Plazoleta Ignacio Zorrilla, La Plaza de la Bomba Puertorriqueña, Monumento a los Trovadores and Parque Palm Court.

  • Around 11 kilometres east of San Juan, Carolina is another essential stop in Puerto Rico. Experience this destination's highlights firsthand at Isla Verde Beach, Parque de Doble A Roberto Clemente Walker and Drone Zone Track.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.