Cheap Flights from Buenos Aires to San Juan

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

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Flight deals from Buenos Aires to San Juan

Looking for a cheap last-minute deal or the best return flight from Buenos Aires to San Juan? If you want to travel next month, return fares start from R 8,932. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Buenos Aires to San Juan

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

Buenos Aires to San Juan: Flight information

The things to know before you go.
Cheapest flight foundR 5,280
Cheapest month to flySeptember

Finding cheap flights from Buenos Aires 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 Buenos Aires to San Juan is R 7,697. 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 Buenos Aires to San Juan. But we found flights with one or more stops from R 7,697.
As of July 2026, there are no flights flying from Buenos Aires to San Juan.
The cheapest month to fly from Buenos Aires to San Juan is usually September.
If you're flying from Buenos Aires, 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 7,697.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Buenos Aires to San Juan on Tuesday, 22 September 2026.
No airlines currently offer direct flights between Buenos Aires 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 Sky Airline .

Travelling from Buenos Aires to San Juan: what you need to know

  • There are a couple of main airports you can start your journey from in Buenos Aires. Check out your options leaving from Buenos Aires Jorge Newbery Airport (AEP) or Buenos Aires Ministro Pistarini Airport (EZE) when organising your flight from Buenos Aires to San Juan.

  • Touch down at San Juan's chief entry point, San Juan Luis Munoz Marin Airport (SJU).

  • San Juan's timezone is UTC-4, making San Juan one hour behind Buenos Aires.

  • Leave enough time to catch your Buenos Aires to San Juan flight. As a general rule, arrive at least two hours before international departures and an hour ahead for domestic flights.

  • You'll likely experience longer lines in popular months such as August. Arriving up to four hours ahead of an international flight and two hours for domestic departures will help ensure a smooth travel experience.

How to find the cheapest flights from Buenos Aires to San Juan

  • Booking early is often the key to locking in a cheap Buenos Aires to San Juan flight. Prices tend to rise as demand increases, so the nearer your departure date, the more you'll likely spend on your ticket.

  • Finding cheap plane tickets from Buenos Aires to San Juan is easy if you can be flexible with your dates. Use the 'Whole month' function to see the lowest prices throughout the month and walk away with an awesome deal.

  • Locking in a cheap flight from Buenos Aires to San Juan is a piece of cake with Price Alerts. Simply create one of these automatic alerts and we'll get in touch as soon as there's a better deal.

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

Flying from Buenos Aires

Buenos Aires Jorge Newbery Airport (AEP)

  • Located around 6 kilometres from the centre of Buenos Aires, AEP can be reached in about 25 minutes by car (depending on traffic). The journey on public transport takes roughly 40 minutes.

  • Want a hassle-free start to your break? Stay near Buenos Aires Jorge Newbery Airport. Whether you've booked an early flight from Buenos Aires to San Juan or just don't like being rushed, these hotels are just the thing:

  • 64% of flights that take off from Buenos Aires Jorge Newbery Airport land at their destination on schedule.

Buenos Aires Ministro Pistarini Airport (EZE)

  • Break up your Buenos Aires to San Juan flight with a stop so you can stretch your legs or cross another place off your list. Some popular stopovers between Buenos Aires Ministro Pistarini Airport and San Juan include:

    • Bogota Airport (BOG)

    • Panama City Tocumen International Airport (PTY)

    • Medellin Jose Maria Cordova Airport (MDE)

  • You can reach EZE from central Buenos Aires in about 30 minutes by car (depending on traffic conditions). The ride by public transport will take roughly 1 hour 15 minutes to cover the 24 kilometres or so.

  • Get a head start on your holiday with an extra night away from home. Before your flight from Buenos Aires to San Juan, unwind in one of these hotels close to Buenos Aires Ministro Pistarini Airport:

  • When it comes to flights staying on schedule, Buenos Aires Ministro Pistarini Airport has an on-time arrival rate of 78%.

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 by car. The centre is roughly 11 kilometres away.

  • If you're using public transport, expect a journey time of about 1 hour.

  • If you're arriving on a late flight from Buenos Aires to San Juan, few things beat the convenience of staying close to the terminal. Grab your suitcases from the carousel and then be showered and sleeping not long after at one of these hotels near SJU:

  • Get your adventure underway by picking up a San Juan Luis Munoz Marin Airport rental car. Grab a set of wheels from Sixt, Ace Rent a Car or U-Save and explore beyond San Juan's main sights.

  • Secure the lowest price by booking your ride from San Juan Luis Munoz Marin Airport around two weeks in advance of your trip.

San Juan Isla Grande Airport (SIG)

Best time to go to San Juan

  • March is the quietest month for flights from Buenos Aires to San Juan, while July is the most popular. Work out 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 August, with temperatures ranging between 24ºC (75ºF) and 32ºC (90ºF). Book your Buenos Aires to San Juan ticket then if you enjoy this type of weather.

  • If you like travelling in cooler conditions, look for a cheap flight from Buenos Aires to San Juan in February when temperatures average between 21ºC (70ºF) and 28ºC (82ºF).

More about San Juan

  • When it comes to looking for somewhere to lay your head, you'll find the best places to stay in San Juan right here. Check out these options once you've booked your flight from Buenos Aires to San Juan:

  • Balneario El Escambron and La Garita del morro de san juan bahia are just a couple of the popular attractions to put on your San Juan itinerary. Continue your sightseeing adventures at Beach San Juan.

Explore more of Puerto Rico

  • You've visited San Juan, now it's time to discover other corners of Puerto Rico. Travel about 13 kilometres southwest to Bayamon to check off its popular sights. From Ron del Barrilito - Hacienda Santa Ana to Parque de las Ciencias by Toroverde Power by Claro and Parque Recreativo Río Bayamón, your itinerary will be busy.

  • If there's time to check out another corner of Puerto Rico, head for Carolina, roughly 18 kilometres southeast of San Juan. Isla Verde Beach, Carolina Public Beach and Balneario Isla Verde are highlights.

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