Cheap Flights from Baltimore Washington International to San Juan Luis Munoz Marin

Compare Baltimore Washington International to San Juan Luis Munoz Marin flight deals

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Flight deals from Baltimore Washington International to San Juan Luis Munoz Marin

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

Find the cheapest month to fly from Baltimore Washington International 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 Baltimore Washington International to San Juan Luis Munoz Marin flights are currently cheapest in February.

Direct flights from Baltimore Washington International to San Juan Luis Munoz Marin

Baltimore Washington International to San Juan Luis Munoz Marin: Alternative routes

Compare routes from Baltimore Washington International 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 foundRs17,896
Cheapest month to flyFebruary
Average flight time4 hrs, 1 min
Most popular airlineSouthwest Airlines
Average flights per week34

Finding cheap flights from Baltimore Washington International to San Juan Luis Munoz Marin: Frequently asked questions

The best price we found for a return flight from Baltimore Washington International to San Juan Luis Munoz Marin is Rs42,156. 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.
4 hours and 1 minute is the average flight time from Baltimore Washington International to San Juan Luis Munoz Marin.
Southwest Airlines, Spirit Airlines and Frontier Airlines fly direct from Baltimore Washington International to San Juan Luis Munoz Marin.
As of January 2026, there are 34 flights per week flying from Baltimore Washington International to San Juan Luis Munoz Marin.
The cheapest month to fly from Baltimore Washington International to San Juan Luis Munoz Marin is usually February.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Baltimore Washington International Airport to San Juan Luis Munoz Marin Airport on Tuesday, 10 February 2026.
Yes – the average flight time is 4 hours and 1 minute.
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, Frontier Airlines offers the cheapest flight tickets to San Juan Luis Munoz Marin.

Flying from Baltimore/Wash International Thurgood Marshall Airport (BWI) to Luis Munoz Marin International Airport (SJU): what you need to know

  • Hop on a direct flight from Baltimore/Wash International Thurgood Marshall Airport to Luis Munoz Marin International Airport and you'll be in the air for an average of 3 hours 55 minutes.

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

  • Flights from BWI to SJU start at 08:00 — the earliest with Southwest Airlines. The latest departure is at 23:21 with Spirit Airlines. In total, you can choose from 17 weekly Baltimore/Wash International Thurgood Marshall Airport to Luis Munoz Marin International Airport flights.

  • Arrive at the airport on time so you don't miss your BWI to SJU flight. Be there at least two hours ahead for international flights and an hour early for domestic departures to avoid any last-minute rush.

  • During popular months like July, it's a good idea to get to the airport earlier. Plan to arrive two hours before a domestic departure and four hours ahead of international flights when you fly during a peak period in general.

  • You'll find a variety of airlines operating direct flights from Baltimore/Wash International Thurgood Marshall Airport to Luis Munoz Marin International Airport. When you're ready to start your San Juan adventure, let one of these carriers transport you to this unmissable part of Puerto Rico:

  • Frontier Airlines is the top choice for travellers on this route.

  • Spirit Airlines ranks as the top on-time carrier for BWI to SJU flights, with 83.56% of its services reaching their destination on schedule.

  • We make it a cinch to book a flight with a stopover. To see all your options for tickets from Baltimore/Wash International Thurgood Marshall Airport to Luis Munoz Marin International Airport, deselect 'Direct flights only.' Then, choose a flight that has a stop long enough to tour your chosen city. Some great stopovers between BWI and SJU include:

    • Raleigh-Durham International Airport

    • Punta Cana International Airport

    • Orlando International Airport

How to find the cheapest flights from Baltimore/Wash International Thurgood Marshall Airport (BWI) to Luis Munoz Marin International Airport (SJU)

  • Rs17,896 is the best price for a one-way Baltimore/Wash International Thurgood Marshall Airport to Luis Munoz Marin International Airport flight. Return flights start from Rs42,156. These fares may change depending on demand.

  • To score cheap tickets from BWI to SJU, book your trip six months ahead of your planned departure.

  • The cheapest month for flights from Baltimore/Wash International Thurgood Marshall Airport to Luis Munoz Marin International Airport is May. Use the 'Whole month' tool to find the lowest prices if you have a flexible schedule.

  • Spend less time searching for cheap flights from BWI to SJU by setting up a Price Alert. You'll receive an email or push notification on the app when a special offer becomes available.

  • Find the right flight for you with the help of the filters. To see the 'Cheapest,' 'Best' or 'Fastest' flights from Baltimore/Wash International Thurgood Marshall Airport to Luis Munoz Marin International Airport, use the 'Sort by' tool. You can also filter results by departure and arrival times, airline, and journey duration.

Handy information about Baltimore/Wash International Thurgood Marshall Airport (BWI)

  • When it comes to the on-time performance of Baltimore/Wash International Thurgood Marshall Airport, 77.13% of flights stick to their scheduled arrival time.

  • Baltimore/Wash International Thurgood Marshall Airport is around 48 kilometres from central Washington DC. If you're driving, catching a cab or ride-sharing from the centre, it'll take you 50 minutes or so to get there, depending on the traffic.

  • Catching public transport? You can expect a journey time of around 1 hour 30 minutes.

  • Booked an early flight from Baltimore/Wash International Thurgood Marshall Airport to Luis Munoz Marin International Airport? Avoid the hassle of rushing to the terminal (and get some extra shut-eye) by choosing one of these stays close to BWI:

Arriving at Luis Munoz Marin International Airport (SJU)

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

  • Luis Munoz Marin International Airport to central San Juan has a drive time of around 10 minutes. It's approximately 8 kilometres away.

  • If you're travelling by public transport, expect a journey of about 55 minutes.

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

  • The quietest month for a flight from Baltimore/Wash International Thurgood Marshall Airport to Luis Munoz Marin International Airport is May, while July is the most popular. Choose the best time to visit San Juan based on whether you prefer a bustling atmosphere or a more laid-back vibe.

  • Lock in your flight from Baltimore/Wash International Thurgood Marshall Airport to Luis Munoz Marin International Airport for September if you want to explore San Juan during its warmest month. You can expect temperatures of between 23ºC and 33ºC.

  • Look for cheap tickets from BWI to SJU in February if you'd rather travel during cooler conditions. Temperatures are at their lowest then, ranging between 20ºC and 28ºC on average.

Explore more of Puerto Rico

  • Bayamon is just one of the many cities in Puerto Rico waiting to be discovered after you've experienced San Juan. Around 10 kilometres away to the west, top sights here 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.