Cheap Flights from Barcelona to San Juan

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Flight deals from Barcelona to San Juan

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

Find the cheapest month to fly from Barcelona to San Juan

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

Alternative Barcelona to San Juan routes

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

Barcelona to San Juan: Flight information

The things to know before you go.
Cheapest flight foundR 6,532
Cheapest month to flyJune

Finding cheap flights from Barcelona 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 Barcelona to San Juan is R 11,552. 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.
Currently, there are no airlines that fly direct from Barcelona to San Juan. But we found flights with one or more stops from R 11,552.
As of May 2025, there are no flights flying from Barcelona to San Juan.
The cheapest month to fly from Barcelona to San Juan is usually May 2025.
If you're flying from Barcelona Airport, 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 R 11,552.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Barcelona Airport to San Juan on Wednesday, 17 September 2025.
No airlines currently offer direct flights between Barcelona Airport and San Juan. Most routes have one or more stops.
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.
Currently, Vueling Airlines offers the cheapest flight tickets to San Juan.

Flying from Barcelona-El Prat Airport (BCN) to San Juan: what you need to know

  • Barcelona-El Prat Airport is located in Barcelona. Following the UTC-4 timezone, San Juan is five hours behind Barcelona.

  • Leave enough time to catch your BCN to San Juan flight. A good rule of thumb is to arrive two hours before international departures and an hour ahead for domestic flights.

  • If you're jetting off during a bank holiday or another peak period, give yourself extra time. A good general rule is two hours before domestic flights and up to four hours before international departures. Queues at check-in and security will be longer.

  • Consider adding a stopover to potentially score a cheaper flight ticket from BCN to San Juan. Just uncheck 'Direct flights only' during your search. Break up your journey by stopping at one of these connecting airports:

    • John F. Kennedy International Airport (JFK)

    • Adolfo Suarez Madrid-Barajas Airport (MAD)

    • Miami International Airport (MIA)

  • BCN is around 13 kilometres from central Barcelona. If you're driving, catching a cab or ride-sharing from the centre, it'll take 25 minutes or so to get there, depending on traffic. If you're using public transport, expect the travel time to be around 35 minutes.

  • Booked an early flight from Barcelona-El Prat Airport to San Juan? Avoid rushing to the terminal (and sneak in some extra precious sleep) by choosing one of these stays near BCN:

  • Of the flights that depart from Barcelona-El Prat Airport, 79.12% land on schedule at their destination.

How to find the cheapest flights from Barcelona-El Prat Airport (BCN) to San Juan

  • R 6,532 is currently the best price for a one-way Barcelona-El Prat Airport to San Juan flight. A return flight ticket starts from R 11,552. These fares can change depending on demand and availability.

  • Don't leave everything to the last minute. You're more likely to pick up cheap flights from BCN to San Juan if you book ahead. Airlines often have some excellent early bird rates.

  • The 'Whole month' search tool will show you the cheapest tickets from Barcelona-El Prat Airport to San Juan throughout the month. It's a good way to snap up a bargain if your plans aren't set in stone.

  • Save time searching for cheap flights from BCN to San Juan by creating a Price Alert. We'll send you an email or notification on the app when a lower fare becomes available.

  • Pick your preferred departure and arrival times, number of stops and airlines with our filters. Then, sort the results for your flight from Barcelona-El Prat Airport to San Juan by 'Best,' 'Fastest' or 'Cheapest.'

Airports in San Juan

Luis Munoz Marin International Airport (SJU)

  • Luis Munoz Marin International Airport (SJU) is around 8 kilometres from the centre of San Juan. If you're grabbing a cab or a ride-share, the drive takes roughly 10 minutes.

  • When travelling by public transport, expect a journey time of about 55 minutes.

  • Book a hotel near SJU if you're coming in on a late flight from Barcelona-El Prat Airport to San Juan. Choose one of these options and avoid the hassle of a long transfer:

  • Fast-track your adventure by picking up a Luis Munoz Marin International Airport rental car. Grab your wheels from Sixt, Ace Rent a Car or U-Save and experience the lesser-explored corners of San Juan and beyond.

  • Lock in the lowest price by reserving your ride from Luis Munoz Marin International Airport around two weeks ahead of your flight from BCN to San Juan.

Fernando Luis Ribas Dominicci Airport (SIG)

  • Once your flight from Barcelona-El Prat Airport to San Juan has touched down, you can get to the city centre in about 15 minutes by car. Central San Juan is roughly 8 kilometres from Fernando Luis Ribas Dominicci Airport (SIG).

  • If you choose to travel on public transport, you'll reach the centre in 1 hour or so.

  • You'll find some great places to park your luggage (and yourself) near SIG. Kick back and get cosy after your BCN to San Juan flight at any of these perfectly located options:

Best time to go to San Juan

  • Before booking your flights from Barcelona-El Prat Airport to San Juan, consider which time of year is best for you. High season in San Juan offers a lively atmosphere and plenty of things to do, while low season means you'll get cheaper deals on hotels and fewer crowds.

  • The warmest month in San Juan is September, with temperatures ranging between 23ºC (73ºF) and 33ºC (91ºF). Book your Barcelona-El Prat Airport to San Juan flight ticket then if this is the type of weather you enjoy.

  • For cooler conditions, look for a cheap ticket from BCN to San Juan in February when temperatures average between 20ºC (68ºF) and 28ºC (82ºF).

More about San Juan

  • Start your San Juan trip off on the right foot by choosing the perfect place to stay. Once you've booked your flight from Barcelona-El Prat Airport to San Juan, browse our range of hotels including:

  • Every great adventure has to include a little sightseeing. La Garita del morro de san juan bahia, Castillo San Felipe del Morro and Fortaleza Street are must-do's during your San Juan adventure.

Explore more of Puerto Rico

  • Aguadilla is just one of the many cities in Puerto Rico waiting to be discovered after you've experienced San Juan. Around 113 kilometres away to the west, check out popular attractions including El Parterre, Aguadilla Ice Skating Arena and Bandera de los Reyes Magos.

  • Around 105 kilometres west of San Juan, Isabela is another essential stop in Puerto Rico. Experience major highlights starting with Amarillo Mango, Urb. Llanos Piscina Park and Noches de Artesania.

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