Cheap flights from Washington Ronald Reagan to San Juan Luis Munoz Marin

Compare Washington Ronald Reagan 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 Ronald Reagan to San Juan Luis Munoz Marin

Looking for a cheap last-minute deal or the best return flight from Washington Ronald Reagan Airport to San Juan Luis Munoz Marin Airport? If you want to travel next month, return fares start from $338. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Washington Ronald Reagan 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 Ronald Reagan to San Juan Luis Munoz Marin flights are currently cheapest in July.

Direct flights from Washington Ronald Reagan to San Juan Luis Munoz Marin

Washington Ronald Reagan to San Juan Luis Munoz Marin: Alternative routes

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

Washington D.C. to San Juan: Flight information

The things to know before you go.
Cheapest flight found$168
Cheapest month to flyJuly
Average flight time3 hrs, 49 mins
Most popular airlinejetBlue
Average flights per week9

Finding cheap flights from Washington Ronald Reagan to San Juan Luis Munoz Marin: Frequently asked questions

The best price we found for a return flight from Washington Ronald Reagan to San Juan Luis Munoz Marin is $337. 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 49 minutes is the average flight time from Washington Ronald Reagan to San Juan Luis Munoz Marin.
jetBlue flies direct from Washington Ronald Reagan to San Juan Luis Munoz Marin.
As of May 2026, there are 9 flights per week flying from Washington Ronald Reagan to San Juan Luis Munoz Marin.
The cheapest month to fly from Washington Ronald Reagan to San Juan Luis Munoz Marin is usually August.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Washington Ronald Reagan Airport to San Juan Luis Munoz Marin Airport on Friday, 7 August 2026.
Yes – the average flight time is 3 hours and 49 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.
Currently, Southwest Airlines and jetBlue offer the cheapest flight tickets to San Juan Luis Munoz Marin.

Travelling from Ronald Reagan National Airport (DCA) to Luis Munoz Marin International Airport (SJU): what you need to know

  • Around 3 hours 50 minutes is how long you can expect to be travelling on a direct flight from Ronald Reagan National Airport to Luis Munoz Marin International Airport.

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

  • Every week, there are six Ronald Reagan National Airport to Luis Munoz Marin International Airport flights. To jet off early, jump on the 08:00 JetBlue Airways flight. If you're eager to make the most of your time before you fly, the last departure is at 08:15 with JetBlue Airways.

  • Your DCA to SJU flight won't wait if you're late, so get to the airport with time to spare. Arrive up to one hour in advance for domestic flights and two hours ahead when you're flying internationally.

  • Travelling during a peak month such as February? Public holidays and other high seasons can lead to longer queues at airport checkpoints. Be extra cautious and arrive up to four hours ahead of an international flight and two hours before domestic departures.

  • JetBlue Airways is your gateway to exploring San Juan (and maybe even some other exciting parts of Puerto Rico!). Browse the direct flights from Ronald Reagan National Airport to Luis Munoz Marin International Airport offered by this airline.

  • The airline most travellers fly with on this route is JetBlue Airways.

  • With 67.21% of services arriving as scheduled, JetBlue Airways is the most punctual carrier operating DCA to SJU flights.

  • If you'd like to add a stop to your trip, simply uncheck 'Direct flights only' when searching for your ticket from Ronald Reagan National Airport to Luis Munoz Marin International Airport. These are the top stopovers between DCA and SJU:

    • Raleigh-Durham International Airport

    • Orlando International Airport

    • Palm Beach International Airport

How to find the cheapest flights from Ronald Reagan National Airport (DCA) to Luis Munoz Marin International Airport (SJU)

  • $168 is the lowest price for a one-way Ronald Reagan National Airport to Luis Munoz Marin International Airport flight. A return flight starts at $337. These prices can change based on availability and demand.

  • To score cheap tickets from DCA to SJU, book your trip six months before your departure date.

  • Schedule your trip for May. That's the cheapest month for flights from Ronald Reagan National Airport to Luis Munoz Marin International Airport. If your travel dates are flexible, try out the 'Whole month' tool to find the cheapest airfare across each month.

  • Getting your hands on cheap flights from DCA to SJU couldn't be easier with Price Alerts. All you need to do is set up one of these automatic alerts and we'll get in touch as soon as a lower fare pops up.

  • Secure the perfect flight for you with the help of the filters. To see the 'Cheapest,' 'Best' or 'Fastest' flights from Ronald Reagan National Airport to Luis Munoz Marin International Airport, use the 'Sort by' function. You can also filter by departure and arrival times, airline, and number of stops.

Handy information about Ronald Reagan National Airport (DCA)

  • The address for DCA is 1 Aviation Circle.

  • Of all flights departing from Ronald Reagan National Airport, 76.44% land on schedule at their destination.

  • Ronald Reagan National Airport is about 8 kilometres from central Washington DC. If you're driving, ride-sharing or catching a cab from the centre, it'll take you 15 minutes or so to arrive, depending on the traffic.

  • You can expect a journey time of around 45 minutes on public transport.

  • Searching for a handy hotel close to DCA? If you've booked an early flight from Ronald Reagan National Airport to Luis Munoz Marin International Airport, these accommodation options will put you moments from your departure lounge:

Arriving at Luis Munoz Marin International Airport (SJU)

  • If you're getting in on a late Ronald Reagan National Airport to Luis Munoz Marin International Airport flight, few things top the convenience of being close to the terminal. Grab your luggage from the carousel and then be showered and sleeping not long after at one of these options near SJU:

  • Pick up 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 well-known companies you can book with here.

  • To get the lowest price, reserve your ride from Luis Munoz Marin International Airport about two weeks before travelling.

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

  • Luis Munoz Marin International Airport is approximately 8 kilometres from central San Juan. The drive time takes about 10 minutes.

  • It takes around 55 minutes if you're travelling by public transport.

When to fly to Luis Munoz Marin International Airport (SJU)

  • The quietest month for a flight from Ronald Reagan National Airport to Luis Munoz Marin International Airport is May, while July is the most popular. Pick the ideal time to visit San Juan based on whether you prefer a bustling atmosphere or a more laid-back vibe.

  • The warmest month in San Juan is September, with temperatures ranging between 23ºC (73ºF) and 33ºC (91ºF). Lock in your flights from Ronald Reagan National Airport to Luis Munoz Marin International Airport in this month if you enjoy this type of weather.

  • February sees average temperatures of between 20ºC (68ºF) and 28ºC (82ºF). Search for cheap tickets from DCA to SJU around that time if you want to travel in cooler conditions.

Explore more of Puerto Rico

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

  • If you're eager to discover another major stop in Puerto Rico, consider Carolina, about 11 kilometres east of San Juan. Isla Verde Beach, Parque de Doble A Roberto Clemente Walker and Drone Zone Track are key highlights.

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