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148 € Cheap Flights from Washington D.C. to San Juan Luis Munoz Marin

Compare Washington D.C. to San Juan Luis Munoz Marin flight deals

Find the cheapest month or even day of the year to fly to San Juan Luis Munoz Marin

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Flight deals from Washington D.C. to San Juan Luis Munoz Marin

Looking for a cheap last-minute deal or the best return flight from Washington D.C. to San Juan Luis Munoz Marin Airport? If you want to travel next month, return fares start from 163 €. Find the lowest prices on one-way and return tickets right here.
San Juan.148 € per passenger.Departing Sat, 29 Aug, returning Thu, 3 Sep.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Baltimore Washington International on Sat, 29 Aug, arriving in San Juan Luis Munoz Marin.Inbound direct flight with Frontier Airlines departs from San Juan Luis Munoz Marin on Thu, 3 Sep, arriving in Baltimore Washington International.Price includes taxes and charges.From 148 €, select.
San Juan.149 € per passenger.Departing Mon, 17 Aug, returning Wed, 19 Aug.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Baltimore Washington International on Mon, 17 Aug, arriving in San Juan Luis Munoz Marin.Inbound indirect flight with Frontier Airlines, departs from San Juan Luis Munoz Marin on Wed, 19 Aug, arriving in Baltimore Washington International.Price includes taxes and charges.From 149 €, select.
San Juan.150 € per passenger.Departing Tue, 30 Jun, returning Sat, 11 Jul.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Baltimore Washington International on Tue, 30 Jun, arriving in San Juan Luis Munoz Marin.Inbound indirect flight with Frontier Airlines, departs from San Juan Luis Munoz Marin on Sat, 11 Jul, arriving in Baltimore Washington International.Price includes taxes and charges.From 150 €, select.
San Juan.163 € per passenger.Departing Mon, 8 Jun, returning Wed, 10 Jun.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Baltimore Washington International on Mon, 8 Jun, arriving in San Juan Luis Munoz Marin.Inbound indirect flight with Frontier Airlines, departs from San Juan Luis Munoz Marin on Wed, 10 Jun, arriving in Baltimore Washington International.Price includes taxes and charges.From 163 €, select.
San Juan.164 € per passenger.Departing Sun, 26 Jul, returning Sat, 1 Aug.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Baltimore Washington International on Sun, 26 Jul, arriving in San Juan Luis Munoz Marin.Inbound indirect flight with Frontier Airlines, departs from San Juan Luis Munoz Marin on Sat, 1 Aug, arriving in Baltimore Washington International.Price includes taxes and charges.From 164 €, select.
San Juan.164 € per passenger.Departing Tue, 8 Sep, returning Wed, 9 Sep.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Baltimore Washington International on Tue, 8 Sep, arriving in San Juan Luis Munoz Marin.Inbound indirect flight with Frontier Airlines, departs from San Juan Luis Munoz Marin on Wed, 9 Sep, arriving in Baltimore Washington International.Price includes taxes and charges.From 164 €, select.
San Juan.171 € per passenger.Departing Wed, 19 Aug, returning Tue, 25 Aug.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Baltimore Washington International on Wed, 19 Aug, arriving in San Juan Luis Munoz Marin.Inbound direct flight with Frontier Airlines departs from San Juan Luis Munoz Marin on Tue, 25 Aug, arriving in Baltimore Washington International.Price includes taxes and charges.From 171 €, select.
San Juan.173 € per passenger.Departing Fri, 29 May, returning Sat, 6 Jun.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Baltimore Washington International on Fri, 29 May, arriving in San Juan Luis Munoz Marin.Inbound indirect flight with Frontier Airlines, departs from San Juan Luis Munoz Marin on Sat, 6 Jun, arriving in Baltimore Washington International.Price includes taxes and charges.From 173 €, select.
San Juan.178 € per passenger.Departing Wed, 8 Jul, returning Thu, 16 Jul.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Baltimore Washington International on Wed, 8 Jul, arriving in San Juan Luis Munoz Marin.Inbound direct flight with Frontier Airlines departs from San Juan Luis Munoz Marin on Thu, 16 Jul, arriving in Baltimore Washington International.Price includes taxes and charges.From 178 €, select.
San Juan.178 € per passenger.Departing Wed, 20 May, returning Sun, 31 May.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Baltimore Washington International on Wed, 20 May, arriving in San Juan Luis Munoz Marin.Inbound indirect flight with Frontier Airlines, departs from San Juan Luis Munoz Marin on Sun, 31 May, arriving in Baltimore Washington International.Price includes taxes and charges.From 178 €, select.
San Juan.205 € per passenger.Departing Sun, 28 Jun, returning Wed, 12 Aug.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Baltimore Washington International on Sun, 28 Jun, arriving in San Juan Luis Munoz Marin.Inbound indirect flight with Frontier Airlines, departs from San Juan Luis Munoz Marin on Wed, 12 Aug, arriving in Baltimore Washington International.Price includes taxes and charges.From 205 €, select.
San Juan.213 € per passenger.Departing Thu, 3 Sep, returning Fri, 4 Sep.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Baltimore Washington International on Thu, 3 Sep, arriving in San Juan Luis Munoz Marin.Inbound direct flight with Frontier Airlines departs from San Juan Luis Munoz Marin on Fri, 4 Sep, arriving in Baltimore Washington International.Price includes taxes and charges.From 213 €, select.
San Juan.213 € per passenger.Departing Wed, 7 Oct, returning Fri, 9 Oct.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Baltimore Washington International on Wed, 7 Oct, arriving in San Juan Luis Munoz Marin.Inbound indirect flight with Frontier Airlines, departs from San Juan Luis Munoz Marin on Fri, 9 Oct, arriving in Baltimore Washington International.Price includes taxes and charges.From 213 €, select.
San Juan.215 € per passenger.Departing Mon, 27 Jul, returning Tue, 4 Aug.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Baltimore Washington International on Mon, 27 Jul, arriving in San Juan Luis Munoz Marin.Inbound direct flight with Frontier Airlines departs from San Juan Luis Munoz Marin on Tue, 4 Aug, arriving in Baltimore Washington International.Price includes taxes and charges.From 215 €, select.
San Juan.218 € per passenger.Departing Fri, 31 Jul, returning Tue, 1 Sep.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Baltimore Washington International on Fri, 31 Jul, arriving in San Juan Luis Munoz Marin.Inbound indirect flight with Frontier Airlines, departs from San Juan Luis Munoz Marin on Tue, 1 Sep, arriving in Baltimore Washington International.Price includes taxes and charges.From 218 €, select.
San Juan.229 € per passenger.Departing Wed, 11 Nov, returning Tue, 17 Nov.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Washington Dulles on Wed, 11 Nov, arriving in San Juan Luis Munoz Marin.Inbound indirect flight with Frontier Airlines, departs from San Juan Luis Munoz Marin on Tue, 17 Nov, arriving in Baltimore Washington International.Price includes taxes and charges.From 229 €, select.

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

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 Luis Munoz Marin flights are currently cheapest in August.
May
from 178 €
Jun
from 163 €
Jul
from 178 €
Aug
from 149 €
Sep
from 164 €
Oct
from 213 €
Nov
from 229 €
Dec
from 312 €
Jan
from 309 €
Feb
from 297 €
Mar
from 321 €
Apr
from 945 €

Direct flights from Washington D.C. to San Juan Luis Munoz Marin

Washington D.C. to San Juan Luis Munoz Marin: Alternative routes

Compare routes from Washington D.C. to San Juan below. You may find an airport to fly into that's cheaper, faster, or easier than San Juan Luis Munoz Marin.

San Juan Isla Grande

1km from central San Juan
Closest
Search flights

San Juan Luis Munoz Marin

11km from central San Juan
Cheapest
from 148 €
Search flights

Roosevelt Roads

55km from central San Juan
Search flights

Ponce

70km from central San Juan
from 180 €
Search flights

Vieques

82km from central San Juan
from 486 €
Search flights

Culebra

85km from central San Juan
from 399 €
Search flights

Washington D.C. to San Juan: Flight information

The things to know before you go.
Cheapest flight found148 €
Cheapest month to flyAugust
Average flight time3 hrs, 56 mins
Most popular airlineSouthwest Airlines
Average flights per week64

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

The best price we found for a return flight from Washington D.C. to San Juan Luis Munoz Marin is 148 €. 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 56 minutes is the average flight time from Washington D.C. to San Juan Luis Munoz Marin.
Southwest Airlines, Air Canada and United fly direct from Washington D.C. to San Juan Luis Munoz Marin.
As of May 2026, there are 64 flights per week flying from Washington D.C. to San Juan Luis Munoz Marin.
The cheapest month to fly from Washington D.C. to San Juan Luis Munoz Marin is usually August.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Washington D.C. to San Juan Luis Munoz Marin Airport on Saturday, 29 August 2026.
Yes – the average flight time is 3 hours and 56 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 Luis Munoz Marin 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.
The cheapest airline that flies to San Juan Luis Munoz Marin is Frontier Airlines .

Travelling from Washington DC to Luis Munoz Marin International Airport (SJU): What you need to know

  • You can choose from multiple airports when planning your flight from Washington DC to Luis Munoz Marin International Airport (SJU). Check out your options for flying out of Ronald Reagan National Airport (DCA), Washington Dulles International Airport (IAD) and Baltimore/Wash International Thurgood Marshall Airport (BWI).

  • Expect to be in the air for 3 hours 50 minutes. On average, that's the time it takes for a direct Washington DC to Luis Munoz Marin International Airport flight.

  • San Juan's timezone is UTC-4, which is the same as Washington DC. Luis Munoz Marin International Airport is located in San Juan.

  • Ronald Reagan National Airport (DCA) to Luis Munoz Marin International Airport (SJU) is the busiest route, with 6 direct services each week. Travel from DCA to SJU on JetBlue Airways's 8am departure.

  • Leave enough time to catch your flight from Washington DC to SJU. As a rule of thumb, arrive at least two hours before international departures and an hour ahead for domestic flights.

  • Heading off during a peak time like a bank holiday? Expect longer lines at check-in and security. To be on the safe side, arrive up to four hours before international flights and two hours before domestic departures.

Airports in Washington DC

Ronald Reagan National Airport (DCA)

  • You can find a direct flight from Washington DC to Luis Munoz Marin International Airport (SJU) departing from Ronald Reagan National Airport (DCA).

  • When jetting out of DCA, you can take a direct flight from Washington DC to Luis Munoz Marin International Airport with JetBlue Airways.

  • JetBlue Airways ranks first in bookings for flights from DCA to SJU.

  • JetBlue Airways is the most punctual carrier operating on this route, with 67.21% of its services arriving as scheduled.

  • We make it a breeze to find cheap flights from Washington DC to SJU with a stopover. To explore all your options leaving from Ronald Reagan National Airport (DCA), deselect 'Direct flights only.' Then, choose a flight with a stop long enough to tour your chosen city. Major stopovers between DCA and SJU include:

    • Orlando International Airport (MCO)

    • Raleigh-Durham International Airport (RDU)

    • Palm Beach International Airport (PBI)

  • DCA is around 8 kilometres from central Washington DC. If you're catching a cab, driving or ride-sharing from the centre, it'll take 15 minutes or so to get there, depending on traffic. If you're taking public transport, expect the travel time to be around 45 minutes.

  • Want a relaxed start to your break? Stay near Ronald Reagan National Airport. Whether you're boarding an early flight from Washington DC to Luis Munoz Marin International Airport or want to avoid feeling rushed, these hotels have you covered:

  • 76.44% of flights that leave from Ronald Reagan National Airport arrive at their destination on time.

  • You'll find DCA at 1 Aviation Circle.

Washington Dulles International Airport (IAD)

  • Catching a flight out of Washington Dulles International Airport (IAD)? Direct Washington DC to Luis Munoz Marin International Airport (SJU) plane tickets are available from here.

  • From IAD, direct flights from Washington DC to SJU are offered by United Airlines.

  • United Airlines is the top choice for passengers flying from IAD to SJU.

  • With 73.86% of services landing as planned, United Airlines is the most punctual carrier flying between Washington Dulles International Airport and Luis Munoz Marin International Airport.

  • Add another location to your travels or just take some time to unwind with a stopover. If you'd like to split up your flight from Washington DC to Luis Munoz Marin International Airport, here's where you can stop when setting off from Washington Dulles International Airport:

    • Orlando International Airport (MCO)

    • Raleigh-Durham International Airport (RDU)

    • Cyril E. King Airport (STT)

  • On public transport, you can travel from central Washington DC to IAD in around 1 hour 10 minutes. The terminal is roughly 56 kilometres away, and getting there by car takes approximately 50 minutes.

  • Want to treat yourself to an extra night away before catching your Washington DC to SJU flight? Kick back in a hotel near Washington Dulles International Airport before your holiday officially starts. These stays have a room with your name on it:

  • When it comes to flights staying on schedule, Washington Dulles International Airport has an on-time arrival performance of 74.39%.

  • The street address for IAD is 1 Saarinen Circle.

Baltimore/Wash International Thurgood Marshall Airport (BWI)

  • Get straight to the good part and take a direct flight from Washington DC to Luis Munoz Marin International Airport leaving from Baltimore/Wash International Thurgood Marshall Airport (BWI).

  • Select your preferred airline and prepare for takeoff. These carriers offer direct Washington DC to SJU plane tickets from BWI:

  • Most travellers choose to book seats with Southwest Airlines from BWI to SJU.

  • Among carriers on this route, Spirit Airlines has the best track record for timely arrivals.

  • Choosing a plane ticket from Washington DC to Luis Munoz Marin International Airport (SJU) with one or more stops can give you more choice of departure times and access to cheaper fares. When leaving from Baltimore/Wash International Thurgood Marshall Airport (BWI), here's where you can make a pit stop at on your way to SJU:

    • Orlando International Airport (MCO)

    • Raleigh-Durham International Airport (RDU)

    • Punta Cana International Airport (PUJ)

  • BWI is around 48 kilometres from central Washington DC. The drive from the city centre to the terminal takes about 50 minutes. If you're planning to take public transport, you can expect a journey of around 1 hour 30 minutes.

  • Rest a little longer, move a little slower, and still make your Washington DC to Luis Munoz Marin International Airport flight with time to spare. These accommodation options near Baltimore/Wash International Thurgood Marshall Airport make departure day a breeze if you're flying out first thing:

  • The on-time performance record of BWI is 77.13%. In simpler terms, that's how often flights departing this airport arrive at their final stop as planned.

About Luis Munoz Marin International Airport (SJU)

Getting from Luis Munoz Marin International Airport (SJU) to central San Juan

  • Central San Juan is around 6 kilometres from Luis Munoz Marin International Airport. Travel times by cab or car hire will vary depending on time of day, so do a little research before you go.

  • Travelling by public transport will take you roughly 55 minutes.

How to find the cheapest flights from Washington DC to Luis Munoz Marin International Airport (SJU)

  • The cheapest price we've found for a one-way ticket from Washington DC to Luis Munoz Marin International Airport is 91 €. For a return flight on this route, the best price is 148 €. Depending on the availability and when you book, these fares can change.

  • To find cheap flights from Washington DC to SJU, book early. Airlines generally offer the most competitive fares when flights are first released.

  • If you can be flexible with your trip dates, try using the 'Whole month' search tool. It'll give you the cheapest price in every month when searching for your Washington DC to Luis Munoz Marin International Airport ticket.

  • Snapping up a cheap plane ticket from Washington DC to SJU is a breeze with Price Alerts. Simply set up one of these automatic alerts and we'll let you know as soon as there's a better deal.

  • Tailor your flights using filters. Choose your ideal arrival and departure times, total journey duration and airlines. You can also sort your results by 'Fastest,' 'Best' or 'Cheapest' flights from Washington DC to Luis Munoz Marin International Airport.

The best time to fly from Washington DC to Luis Munoz Marin International Airport (SJU)

  • July is when most people book flights from Washington DC to Luis Munoz Marin International Airport (SJU). Visit San Juan in May if you'd rather be there when it's quieter.

  • The warmest month in San Juan is September, with temperatures ranging between 23ºC (73ºF) and 33ºC (91ºF). Lock in your Washington DC to SJU plane ticket then if that's your definition of good weather.

  • Look for cheap tickets from Washington DC to Luis Munoz Marin International Airport in February if you want to travel in cooler conditions. Temperatures are at their lowest then, ranging between 20ºC (68ºF) and 28ºC (82ºF).

More about San Juan

  • After booking your flight from Washington DC to Luis Munoz Marin International Airport, find a hotel that's got location and comfort covered. Make one of these accommodation options your base for exploring San Juan:

  • You'll find loads of things to do in San Juan when you're in the mood to sightsee. Kick off your itinerary at Balneario El Escambrón followed by Esperanza Beach and Escambron Green.

Explore more of Puerto Rico

  • San Juan will leave a lasting impression, but there are so many other parts of Puerto Rico just waiting to be discovered. About 121 kilometres west of San Juan, a visit to Aguadilla will fill your itinerary to the brim. Start with leading attractions like Silla Aguadilla, Bridges Surf Beach and Playa Rompe Olas.

  • Around 105 kilometres west of San Juan, Isabela is another favourite stop in Puerto Rico. No visit is complete without checking out Shore Island Beach, Guajataca Forest Reserve and Middles Beach.

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.