Cheap Flights from Athens International to San Juan

Compare Athens International to San Juan flight deals

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Flight deals from Athens International to San Juan

Looking for a cheap last-minute deal or the best return flight from Athens International Airport to San Juan? If you want to travel next month, return fares start from R 16,124. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Athens International to San Juan

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

Athens to San Juan: Flight information

The things to know before you go.
Cheapest flight foundR 7,537
Cheapest month to flySeptember

Finding cheap flights from Athens International 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 Athens International to San Juan is R 13,023. 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 Athens International to San Juan. But we found flights with one or more stops from R 13,094.
As of July 2026, there are no flights flying from Athens International to San Juan.
The cheapest month to fly from Athens International to San Juan is usually October.
If you're flying from Athens International 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 13,023.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Athens International Airport to San Juan on Thursday, 1 October 2026.
No airlines currently offer direct flights between Athens International 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 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.
Currently, Norse Atlantic Airways offers the cheapest flight tickets to San Juan.

Travelling from Athens Eleftherios Venizelos International Airport (ATH) to San Juan: what you need to know

  • San Juan is six hours behind Athens, where Athens Eleftherios Venizelos International Airport is located. San Juan runs on the UTC-4 timezone.

  • Leave enough time to catch your ATH to San Juan flight. It's generally best to arrive two hours before international departures and an hour ahead for domestic flights.

  • During popular months like July, it's wise to get to the airport earlier than usual. Plan to arrive two hours before domestic departures and four hours ahead of international flights when you fly during peak periods in general.

  • A stopover is the perfect opportunity to take a break from travelling and maybe even tick a new city off your list. When browsing for plane tickets from ATH to San Juan, uncheck the 'Direct flights only' box to see where you can stop along the way. Top options include:

    • New York John F. Kennedy International Airport (JFK)

    • Adolfo Suarez Madrid-Barajas Airport (MAD)

    • Washington Dulles International Airport (IAD)

  • ATH is about 19 kilometres from central Athens. If you're catching a taxi, driving or ride-sharing from the centre, it'll take you 35 minutes or so to get there, depending on traffic conditions. If you're taking public transport, expect the journey time to be around 40 minutes.

  • Booked an early flight from Athens Eleftherios Venizelos International Airport to San Juan? Avoid rushing to the terminal (and enjoy a little extra shut-eye) by choosing one of these stays close to ATH:

  • 76% of flights departing from Athens Eleftherios Venizelos International Airport make it to their destination on time.

How to find the cheapest flights from Athens Eleftherios Venizelos International Airport (ATH) to San Juan

  • R 7,577 is the cheapest price we've found for a one-way Athens Eleftherios Venizelos International Airport to San Juan flight. A round-trip ticket right now is R 13,094. Depending on the availability when you book, these fares could change.

  • Booking early is often the key to finding a cheap flight from ATH to San Juan. Prices tend to rise as demand increases, so the nearer your departure date, the more expensive your ticket may be.

  • Scoring cheap tickets from Athens Eleftherios Venizelos International Airport to San Juan is more likely if you can be flexible with your dates. Try using the 'Whole month' search tool to get the lowest fares across every month and land an epic deal.

  • Locking in a cheap flight from ATH to San Juan is easy with Price Alerts. All you need to do is set up one of these automatic notifications and we'll let you know when a better deal is available.

  • Tailor your flights with filters. Pick your arrival and departure times, airlines and total journey duration. You can also sort your results by 'Best,' 'Cheapest' or 'Fastest' flights from Athens Eleftherios Venizelos International Airport to San Juan.

Airports in San Juan

Luis Munoz Marin International Airport (SJU)

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

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

  • The last thing you need is a lengthy journey to your hotel if you're arriving on a late flight from Athens Eleftherios Venizelos International Airport to San Juan. Stay at one of these accommodation options near SJU instead:

  • To secure the lowest price, book your vehicle from Luis Munoz Marin International Airport about two weeks in advance of your flight from ATH to San Juan.

Best time to go to San Juan

  • March is the busiest month for flights from Athens Eleftherios Venizelos International Airport to San Juan. To skip the crowds, visit San Juan in December.

  • Book a Athens Eleftherios Venizelos International Airport to San Juan plane ticket with a departure in August if you want to experience the city during its warmest month. You can expect temperatures to range from 24ºC (75ºF) to 32ºC (90ºF).

  • Look for cheap tickets from ATH to San Juan in February if you like travelling in cooler conditions. Temperatures are at their lowest then, ranging between 21ºC (70ºF) and 28ºC (82ºF) on average.

More about San Juan

  • When it comes to searching for somewhere to rest your head, you'll find the best stays in San Juan right here. Check out these options after locking in your flight from Athens Eleftherios Venizelos International Airport to San Juan:

  • All great holidays should include some sightseeing. Esperanza Beach, Balneario El Escambron and Escambron Green are must-visits when exploring San Juan.

Explore more of Puerto Rico

  • Aguadilla is just one of the many cities in Puerto Rico waiting to be discovered once you've taken in the sights of San Juan. Around 113 kilometres away to the west, popular attractions include Silla Aguadilla, Bridges Surf Beach and Playa Rompe Olas.

  • If you're interested in discovering another side of Puerto Rico, head for Isabela, about 105 kilometres west of San Juan. Playa montones, Shore Island Beach and Guajataca Forest Reserve are the start of reasons to visit.

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