Cheap Flights from Brussels to San Juan

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 Rs246,489. 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 August.

Brussels to San Juan: Flight information

The things to know before you go.
Cheapest flight foundRs115,600
Cheapest month to flyAugust

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 Rs211,757. 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 Rs211,757.
As of July 2026, there are no flights flying from Brussels to San Juan.
The cheapest month to fly from Brussels to San Juan is usually September.
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 Rs211,757.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Brussels to San Juan on Tuesday, 1 September 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 July, 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.
The cheapest airline that flies to San Juan is Ryanair .

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

  • Brussels has two main airports where you can kick off your travels. Explore your options for booking a flight from Brussels to San Juan departing from Brussels International Airport (BRU) or Brussels S. Charleroi Airport (CRL).

  • Hop off the plane at San Juan's chief entry point, San Juan Luis Munoz Marin Airport (SJU).

  • San Juan is five hours behind Brussels and is in the UTC-4 timezone.

  • For a stress-free start to your trip, turn up at the airport two hours ahead of international flights and one hour before domestic departures. This will give you enough time to board your Brussels to San Juan flight.

  • During popular months like September, you'll want to get to the airport earlier than normal. Plan to arrive two hours before domestic departures and four hours ahead of international flights whenever you're flying during high season in general.

How to find the cheapest flights from Brussels to San Juan

  • Booking in advance is often the key to scoring a cheap Brussels to San Juan flight. Prices tend to rise as demand increases, so the closer you get to departure, the more expensive your ticket may be.

  • If you can be flexible with your travel dates, try using the 'Whole month' tool. It'll give you the cheapest price in each month when looking for your plane ticket from Brussels to San Juan.

  • Stay on top of deals for cheap flights from Brussels to San Juan by creating a Price Alert. You'll get an email or notification on the app when a new discounted fare appears.

  • Pick your preferred departure and arrival times, airlines and number of stops with the filters. Or sort your Brussels to San Juan flight results by 'Fastest,' 'Best' or 'Cheapest.'

Flying from Brussels

Brussels International Airport (BRU)

  • Stopovers are the perfect opportunity to take a travel break — and possibly even visit a new city. When browsing Brussels to San Juan flights leaving from Brussels International Airport, uncheck the 'Direct flights only' box to see where you can stop along the way. Consider one of these popular options:

    • New York John F. Kennedy Airport (JFK)

    • Madrid Airport (MAD)

    • New York Newark Airport (EWR)

  • The journey from central Brussels to BRU takes about 20 minutes by public transport. If you ride-share, drive or get a taxi, you'll cover the 11 kilometres in 25 minutes or so, depending on traffic.

  • Have an early flight from Brussels to San Juan? Avoid the stress of rushing to the terminal (and sneak in some extra precious sleep) by choosing one of these stays close to Brussels International Airport:

  • 75% of flights leaving from Brussels International Airport reach their destination on time.

Brussels S. Charleroi Airport (CRL)

  • Give yourself some time to stretch your legs during your Brussels to San Juan flight with a stopover. Madrid Airport (MAD) is a popular option between Brussels S. Charleroi Airport and San Juan.

  • You can reach CRL from central Brussels in about 55 minutes by car, depending on traffic conditions. The ride by public transport will take roughly 1 hour 15 minutes to travel the 40 kilometres or so.

  • Get your holiday started early with an additional night away from home. Before your flight from Brussels to San Juan, kick back in one of these hotels close to Brussels S. Charleroi Airport:

  • 78% of flights departing Brussels S. Charleroi Airport stick to their scheduled arrival time.

Arriving in San Juan

San Juan Luis Munoz Marin Airport (SJU)

  • San Juan Luis Munoz Marin Airport (SJU) to central San Juan takes around 20 minutes to reach by car. The centre is roughly 11 kilometres away.

  • Getting to the centre by public transport takes about 1 hour.

  • If you have a late flight from Brussels to San Juan, few things beat the convenience of staying near the terminal. Grab your luggage from the carousel and then be showered and snoozing not long after at one of these accommodation options near SJU:

  • Follow your own route with a San Juan Luis Munoz Marin Airport rental car. Pick up a set of wheels from Sixt, Ace Rent a Car or U-Save and discover more of San Juan and beyond.

  • Booking your ride from San Juan Luis Munoz Marin Airport about two weeks in advance can help you get the best possible rate.

San Juan Isla Grande Airport (SIG)

Best time to go to San Juan

  • July is the most popular month for flights from Brussels to San Juan. To steer clear of the crowds, go to San Juan in March.

  • The warmest month in San Juan is August, with temperatures ranging between 24ºC and 32ºC. Lock in your Brussels to San Juan ticket then if that's your definition of good weather.

  • For cooler conditions, search for a cheap flight from Brussels to San Juan in February when temperatures average between 21ºC and 28ºC.

More about San Juan

  • Start your San Juan trip right by choosing the ideal place to stay. As soon as you've booked your flight from Brussels to San Juan, check out our selection of accommodation options including:

  • Balneario El Escambron and La Garita del morro de san juan bahia are a couple of popular attractions to add to your San Juan travel itinerary. Keep the adventure rolling by checking out Beach San Juan.

Explore more of Puerto Rico

  • You've done San Juan, now it's time to discover more of Puerto Rico. Journey around 13 kilometres southwest to Bayamon to tick off its top attractions. From Ron del Barrilito - Hacienda Santa Ana to Parque de las Ciencias by Toroverde Power by Claro and Parque Recreativo Río Bayamón, there's plenty to keep you on the go.

  • Carolina is another sought-after destination in Puerto Rico and is around 18 kilometres southeast of San Juan. No trip is complete without a visit to Isla Verde Beach, Carolina Public Beach and Balneario Isla Verde.

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.