Cheap flights from Brussels (BRUS) to San Juan (SJUA)

Compare Brussels to San Juan flight deals

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

Book the best San Juan fare with no extra fees

Flight deals from Brussels to San Juan

Looking for a cheap last-minute deal or the best return flight from Brussels to San Juan? If you want to travel next month, return fares start from $1,174. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Brussels to San Juan

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

Brussels to San Juan: Flight information

The things to know before you go.
Cheapest flight found$758
Cheapest month to flySeptember

Finding cheap flights from Brussels 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 Brussels to San Juan is $1,118. 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 Brussels to San Juan. But we found flights with one or more stops from $1,118.
As of April 2026, there are no flights flying from Brussels to San Juan.
The cheapest month to fly from Brussels to San Juan is usually August.
If you're flying from Brussels, 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 $1,118.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Brussels to San Juan on Monday, 24 August 2026.
No airlines currently offer direct flights between Brussels 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 April, the average temperature is usually around 26°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 British Airways .

Travelling from Brussels to San Juan: what you need to know

  • There are two main airports you can start your journey from in Brussels. Check out your options leaving from Brussels Airport (BRU) or Brussels S. Charleroi Airport (CRL) when planning your flight from Brussels to San Juan.

  • Luis Munoz Marin International Airport (SJU) is where your flight will arrive in San Juan.

  • The timezone in San Juan is UTC-4, which is five hours behind Brussels.

  • To ensure you catch your Brussels to San Juan flight, leave plenty of time to navigate the airport and find your gate. Turning up two hours ahead of international departures and one hour before domestic flights is the general rule to follow.

  • Flying during a peak time such as July? Public holidays and other popular seasons can lead to longer queues at check-in and security. Play things extra safe and arrive up to four hours ahead of an international flight and two hours before domestic departures.

How to find the cheapest flights from Brussels to San Juan

  • Booking early is often the key to finding a cheap Brussels to San Juan flight. Fares tend to rise as demand increases, so the nearer your departure date, the more you'll likely spend.

  • If you're willing to be flexible with your travel plans, try using the 'Whole month' tool. It'll give you the cheapest price across the month when searching for your plane ticket from Brussels to San Juan.

  • There's no need to check back in every day to see if fares have dropped when you create a Price Alert. We'll notify you when a better deal is available on cheap flights from Brussels to San Juan.

  • Tailor your flights using filters. Choose your ideal arrival and departure times, airlines and total journey duration. You can also sort your results by 'Cheapest,' 'Best' or 'Fastest' Brussels to San Juan flights.

Flying from Brussels

Brussels Airport (BRU)

  • Think about adding a stopover to potentially find a cheaper Brussels to San Juan flight. Just uncheck 'Direct flights only' when searching for departures from Brussels Airport. Break up the journey at one of these airports:

    • John F. Kennedy International Airport (JFK)

    • Adolfo Suarez Madrid-Barajas Airport (MAD)

    • Newark Liberty International Airport (EWR)

  • BRU is around 8 kilometres from central Brussels. If you're catching a cab, ride-sharing or driving from the centre, it'll take you 20 minutes or so to get there, depending on traffic. If you're planning to take public transport, expect the travel time to be around 40 minutes.

  • In search of a handy hotel near Brussels Airport? If you've booked an early flight from Brussels to San Juan, these accommodation options will have you sleeping moments from your departure lounge:

  • When it comes to the on-time performance of Brussels Airport, 71.97% of flights meet their scheduled arrival time.

Brussels S. Charleroi Airport (CRL)

  • Break up your Brussels to San Juan flight with a stop at Adolfo Suarez Madrid-Barajas Airport (MAD). A main stopover between Brussels S. Charleroi Airport and San Juan, it's a good opportunity to enjoy some downtime before continuing your journey.

  • CRL is about 40 kilometres from central Brussels. It'll take you 55 minutes or so to get to the airport driving from the city centre. Public transport takes roughly 1 hour 35 minutes.

  • Want to treat yourself to an extra night away before your flight from Brussels to San Juan? Check in to a hotel near Brussels S. Charleroi Airport before your break officially starts. Here's where you can stay:

  • 72% of flights departing Brussels S. Charleroi Airport stick to their scheduled arrival time.

Arriving in San Juan

Luis Munoz Marin International Airport (SJU)

  • Luis Munoz Marin International Airport (SJU) to central San Juan takes around 10 minutes by car. The centre is roughly 11 kilometres away.

  • It typically takes 55 minutes to get there when travelling by public transport.

  • If you're coming in on a late flight from Brussels to San Juan, few things beat the convenience of staying near the terminal. Grab your suitcases from the carousel and then be showered and resting not long after at one of these accommodation options near SJU:

  • Travel at your own speed with a Luis Munoz Marin International Airport rental car. Book your wheels from Sixt, Ace Rent a Car or U-Save and see more of San Juan and beyond.

  • Reserving your vehicle from Luis Munoz Marin International Airport around two weeks ahead can help you get the best possible rate.

Fernando Luis Ribas Dominicci Airport (SIG)

  • Fernando Luis Ribas Dominicci Airport (SIG) is about 6 kilometres from the centre of San Juan. Once you've hopped off your flight from Brussels to San Juan, it'll take you approximately 15 minutes to reach the heart of the city in a cab or ride-share.

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

Best time to go to San Juan

  • July is the most popular month for flights from Brussels to San Juan. To travel when it's less crowded, visit San Juan in May.

  • Book a Brussels to San Juan ticket departing in September if you're eager to explore the city during its warmest month. Expect temperatures in San Juan to range from 23ºC (73ºF) to 33ºC (91ºF).

  • If you'd rather travel in cooler conditions, look for a cheap flight from Brussels to San Juan in February when temperatures average between 20ºC (68ºF) and 28ºC (82ºF).

More about San Juan

  • Once you've booked your flight from Brussels to San Juan, decide where you'll be dropping your bags. Make one of these accommodation options your base for exploring San Juan:

  • There are so many things to see and do in this city it can be tricky to know where to start. Castillo San Felipe del Morro, La Garita del morro de san juan bahia and Fortaleza Street are leading attractions which should feature on any well-planned San Juan itinerary.

Explore more of Puerto Rico

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

  • If you're ready to explore another side of 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 among its highlights.

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