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Cheap Flights from Washington D.C. to San Juan

Compare Washington D.C. to San Juan flight deals

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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.
San Juan.Rs13,823 per passenger.Departing Fri, 2 Jan.One-way flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Washington Dulles on Fri, 2 Jan, arriving in San Juan Luis Munoz Marin.Price includes taxes and charges.From Rs13,823, select.
San Juan.Rs15,243 per passenger.Departing Thu, 11 Dec.One-way flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Washington Dulles on Thu, 11 Dec, arriving in San Juan Luis Munoz Marin.Price includes taxes and charges.From Rs15,243, select.
San Juan.Rs18,467 per passenger.Departing Mon, 2 Mar.One-way flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Washington Dulles on Mon, 2 Mar, arriving in San Juan Luis Munoz Marin.Price includes taxes and charges.From Rs18,467, select.
San Juan.Rs19,202 per passenger.Departing Mon, 23 Feb.One-way flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Washington Dulles on Mon, 23 Feb, arriving in San Juan Luis Munoz Marin.Price includes taxes and charges.From Rs19,202, select.
San Juan.Rs25,410 per passenger.Departing Sat, 11 Apr.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Baltimore Washington International on Sat, 11 Apr, arriving in San Juan Luis Munoz Marin.Price includes taxes and charges.From Rs25,410, select.
San Juan.Rs29,194 per passenger.Departing Mon, 13 Apr.One-way flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Baltimore Washington International on Mon, 13 Apr, arriving in San Juan Luis Munoz Marin.Price includes taxes and charges.From Rs29,194, select.
San Juan.Rs34,171 per passenger.Departing Sat, 9 May.One-way flight with United.Outbound direct flight with United departs from Washington Dulles on Sat, 9 May, arriving in San Juan Luis Munoz Marin.Price includes taxes and charges.From Rs34,171, select.
San Juan.Rs34,303 per passenger.Departing Mon, 14 Sep.One-way flight with United.Outbound direct flight with United departs from Washington Dulles on Mon, 14 Sep, arriving in San Juan Luis Munoz Marin.Price includes taxes and charges.From Rs34,303, select.
Map with a flight path from Washington D.C. to San Juan. A plane icon is halfway along the route with a label that says "Direct flight".
Direct flight

Your route at a glance

Cheapest dealRs27,361
Cheapest monthDecember
Average flight duration3 hours and 54 minutes
Most popular airlineSouthwest Airlines

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 January.
Dec
from Rs15,234
Jan
from Rs13,816
Feb
from Rs19,191
Mar
from Rs18,457
Apr
from Rs25,396
May
from Rs34,152
Jun
from Rs42,787
Jul
from Rs96,187
Aug
Find prices
Sep
from Rs34,284
Oct
Find prices
Nov
Find prices

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.

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 Rs27,361. 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 54 minutes is the average flight time from Washington D.C. to San Juan.
Southwest Airlines, Air Canada and United fly direct from Washington D.C. to San Juan.
As of December 2025, there are 70 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 December.
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 Rs27,361.
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 Thursday, 11 December 2025.
Yes – the average flight time is 3 hours and 54 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 December, the average temperature is usually around 25°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 Frontier Airlines .

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

  • When looking for a flight from Washington DC to San Juan, there's a good selection of airports you can jet off from. Ronald Reagan National Airport (DCA), Washington Dulles International Airport (IAD) and Baltimore/Wash International Thurgood Marshall Airport (BWI) are some of Washington DC's main options.

  • Come in for landing at Luis Munoz Marin International Airport (SJU), the primary gateway of San Juan.

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

  • San Juan's timezone is UTC-4, which is the same as Washington DC.

  • The busiest 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'd like to set off at the first opportunity, the earliest flight from DCA to SJU is the 08:00 JetBlue Airways option. If you prefer travelling later, the latest available service is at 08:30 with JetBlue Airways.

  • Give yourself plenty of time to catch your Washington DC to San Juan flight. As a rule of thumb, arrive at least two hours before international departures and an hour ahead for domestic flights.

  • Flying during a peak month like July? Public holidays and other popular periods can lead to longer queues and delays at security. Be extra cautious and arrive up to four hours before international flights and two hours before a domestic departure.

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 Rs13,816. For a return flight on this route, the best price is Rs27,376. 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)

  • Set off from Ronald Reagan National Airport (DCA) on a nonstop flight from Washington DC to San Juan. From DCA, you can land directly at Luis Munoz Marin International Airport (SJU).

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

  • We make it easy to book a Washington DC to San Juan flight with a stopover. To see all the options departing from Ronald Reagan National Airport, deselect 'Direct flights only.' Then, select a flight with a stop long enough to see the sights of the city of your choice. Major stopovers include:

    • Orlando International Airport (MCO)

    • Raleigh-Durham International Airport (RDU)

    • Palm Beach International Airport (PBI)

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

  • Booked an early flight from Washington DC to San Juan? Avoid the hassle of rushing to the airport (and enjoy a little extra shut-eye) by choosing one of these stays close to Ronald Reagan National Airport:

  • Of all flights leaving Ronald Reagan National Airport, 76.44% arrive as scheduled at their destination.

  • You'll find DCA at 1 Aviation Circle.

Washington Dulles International Airport (IAD)

  • You can catch a nonstop flight from Washington DC to San Juan out of Washington Dulles International Airport (IAD). Start your trip at IAD and hop off the plane at Luis Munoz Marin International Airport (SJU).

  • From IAD, you can lock in a direct Washington DC to San Juan plane ticket with United Airlines.

  • Split up your Washington DC to San Juan flight with a stop so you can recharge or tick a new place off your list. Some popular stopovers between Washington Dulles International Airport and San Juan are:

    • Orlando International Airport (MCO)

    • Raleigh-Durham International Airport (RDU)

    • Cyril E. King Airport (STT)

  • You can get to IAD from central Washington DC in about 50 minutes by car, depending on traffic conditions. The ride on public transport will take roughly 1 hour 10 minutes to travel the 40 kilometres or so.

  • You're going on holiday, so why not extend it with an additional night away? Think about checking in to one of these accommodation options near Washington Dulles International Airport the day before your flight from Washington DC to San Juan:

  • When it comes to flights staying on schedule, Washington Dulles International Airport has an on-time arrival performance of 74%.

  • You'll find IAD at 1 Saarinen Circle.

Baltimore/Wash International Thurgood Marshall Airport (BWI)

  • Nonstop flights from Washington DC to San Juan are available from Baltimore/Wash International Thurgood Marshall Airport (BWI). Luis Munoz Marin International Airport (SJU) is where you'll step off the plane.

  • Reach new altitudes with one of these airlines that offer direct Washington DC to San Juan plane tickets from BWI:

  • Lock in a ticket from Washington DC to San Juan out of Baltimore/Wash International Thurgood Marshall Airport (BWI) with one or more stops. Popular stopovers between BWI and San Juan include:

    • Orlando International Airport (MCO)

    • Raleigh-Durham International Airport (RDU)

    • Punta Cana International Airport (PUJ)

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

  • Sleep a little longer, move a little slower, and still make your Washington DC to San Juan flight with plenty of time to spare. These hotels near Baltimore/Wash International Thurgood Marshall Airport make departure day a breeze if you're flying out early:

  • Airports have an on-time performance rating that measures how often flights arrive at their destinations when they should. At BWI, that rate is 77.13%.

Arriving in San Juan

Luis Munoz Marin International Airport (SJU)

  • The distance from Luis Munoz Marin International Airport (SJU) to central San Juan is roughly 11 kilometres. It'll take you around 10 minutes to get to the centre driving.

  • Getting there on public transport will take you around 55 minutes.

  • The last thing you want is a lengthy journey to your hotel if you're arriving on a late flight from Washington DC to San Juan. Book one of these accommodation options near SJU instead:

  • Grab a Luis Munoz Marin International Airport rental car and explore San Juan and beyond with your own set of wheels. Sixt, Ace Rent a Car and U-Save are popular outlets you can book with here.

  • Lock in the lowest price by booking your vehicle from Luis Munoz Marin International Airport about two weeks before your travel date.

Fernando Luis Ribas Dominicci Airport (SIG)

  • Central San Juan is around 6 kilometres from Fernando Luis Ribas Dominicci Airport (SIG). As soon as your flight from Washington DC to San Juan has touched down and you've made your way out of the airport, the drive should take about 15 minutes.

  • If you travel by public transport, you'll get to the city centre in 1 hour or so.

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

  • Start your San Juan trip off on the right foot by choosing the ideal place to stay. As soon as you've booked your flight from Washington DC to San Juan, browse our range of hotels including:

  • Every great holiday has to include a little sightseeing. Castillo San Felipe del Morro, La Garita del morro de san juan bahia and Fortaleza Street are essential stops on your 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.

Plan the rest of your trip from Washington D.C. to San Juan

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