$377 Cheap Flights from San Juan (SJU) to Athens (ATH)

View $377 flight on Thu, Sep 25, 2025Opens in a new window

Popular airlines from Luis Munoz Marin Intl. Airport (SJU) to Athens Intl. Airport (ATH)

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Find available prices by choosing your travel dates.

Cheap Flights from San Juan to Athens (SJU-ATH)

Prices were available within the past 7 days and start at $377 for one-way flights and $581 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Wed, Oct 22 - Tue, Nov 4
SJU
San Juan
ATH
Athens
$581 Roundtrip, found 4 hours ago
$581
Roundtrip
found 4 hours ago
Select United flight, departing Wed, Oct 22 from San Juan to Athens, returning Tue, Nov 4, priced at $581 found 4 hours ago
United
Wed, Oct 22 - Tue, Nov 4
SJU
San Juan
ATH
Athens
$586 Roundtrip, found 4 hours ago
$586
Roundtrip
found 4 hours ago
Select United flight, departing Wed, Oct 22 from San Juan to Athens, returning Tue, Nov 4, priced at $586 found 4 hours ago
Air Canada
Tue, Nov 4 - Wed, Nov 19
SJU
San Juan
ATH
Athens
$587 Roundtrip, found 3 days ago
$587
Roundtrip
found 3 days ago
Select Air Canada flight, departing Tue, Nov 4 from San Juan to Athens, returning Wed, Nov 19, priced at $587 found 3 days ago
American Airlines
Wed, Mar 4 - Tue, Mar 17
SJU
San Juan
ATH
Athens
$596 Roundtrip, found 2 days ago
$596
Roundtrip
found 2 days ago
Select American Airlines flight, departing Wed, Mar 4 from San Juan to Athens, returning Tue, Mar 17, priced at $596 found 2 days ago
Delta
Tue, Mar 10 - Tue, Mar 17
SJU
San Juan
ATH
Athens
$597 Roundtrip, found 1 day ago
$597
Roundtrip
found 1 day ago
Select Delta flight, departing Tue, Mar 10 from San Juan to Athens, returning Tue, Mar 17, priced at $597 found 1 day ago
British Airways
Wed, Mar 4 - Tue, Mar 17
SJU
San Juan
ATH
Athens
$599 Roundtrip, found 2 days ago
$599
Roundtrip
found 2 days ago
Select British Airways flight, departing Wed, Mar 4 from San Juan to Athens, returning Tue, Mar 17, priced at $599 found 2 days ago
United
Tue, Nov 4 - Wed, Nov 19
SJU
San Juan
ATH
Athens
$600 Roundtrip, found 3 days ago
$600
Roundtrip
found 3 days ago
Select United flight, departing Tue, Nov 4 from San Juan to Athens, returning Wed, Nov 19, priced at $600 found 3 days ago
Delta
Tue, Nov 11 - Wed, Nov 19
SJU
San Juan
ATH
Athens
$602 Roundtrip, found 16 hours ago
$602
Roundtrip
found 16 hours ago
Select Delta flight, departing Tue, Nov 11 from San Juan to Athens, returning Wed, Nov 19, priced at $602 found 16 hours ago
Delta
Mon, Dec 1 - Fri, Dec 12
SJU
San Juan
ATH
Athens
$602 Roundtrip, found 11 hours ago
$602
Roundtrip
found 11 hours ago
Select Delta flight, departing Mon, Dec 1 from San Juan to Athens, returning Fri, Dec 12, priced at $602 found 11 hours ago
Iberia
Wed, Mar 4 - Tue, Mar 17
SJU
San Juan
ATH
Athens
$603 Roundtrip, found 2 days ago
$603
Roundtrip
found 2 days ago
Select Iberia flight, departing Wed, Mar 4 from San Juan to Athens, returning Tue, Mar 17, priced at $603 found 2 days ago
Flights from San Juan (SJU) to Athens (ATH)
Origin airport
Luis Munoz Marin Intl.
Destination airport
Eleftherios Venizelos
Airlines serving
Aer Lingus, Air Canada, Air Europa, Air France, American Airlines, British Airways, Delta, ITA Airways, Iberia, KLM, Lufthansa, Turkish Airlines, United, Virgin Atlantic
Roundtrip price
$581
Distance
5440 mi

San Juan to Athens Flights

The cheapest times to fly from San Juan to Athens

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from San Juan to Athens are during the month of October. You can find some of the cheapest flights from San Juan to Athens with Expedia's search tool and vast selection of airlines.

The best time to book a flight from San Juan to Athens

Sunday is one of the best days to book for cheap flights from San Juan to Athens: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

How to find cheap round-trip tickets from San Juan to Athens

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from San Juan to Athens in 2025. You can also book with separate airlines for your outbound and return journeys, from $377 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap San Juan to Athens flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

You could also save big by booking one of Expedia's vacation packages. Bundling together your San Juan to Athens airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

*Terms apply.

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

Frequently asked questions

How much does a flight from Luis Munoz Marin Intl. Airport (SJU) to Eleftherios Venizelos Airport (ATH) cost?
Discover the latest flight deals from SJU to ATH by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from SJU to ATH?
The cheapest flights from SJU to ATH are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from SJU to ATH?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that’ll take you from SJU to ATH. Sort your results by “Price (lowest to highest)” to snap up a great deal.
How many flights per day from Luis Munoz Marin Intl. Airport (SJU) to Eleftherios Venizelos Airport (ATH)?
There aren’t any daily nonstop flights from Luis Munoz Marin Intl. Airport (SJU) to Eleftherios Venizelos Airport (ATH). But you can book flights with layovers. Filter your search results on Expedia to include one or two stops, and you’ll be soaring above the clouds in no time.
What day of the week has the most flights from SJU to ATH?
Friday is typically the busiest day for flights, while Tuesday tends to be the quietest.* Keep in mind that flight schedules can vary based on a number of factors, including the time of year and carrier.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Luis Munoz Marin Intl. Airport (SJU) to Eleftherios Venizelos Airport (ATH)?
To avoid possible delays on the Luis Munoz Marin Intl. Airport (SJU) to Eleftherios Venizelos Airport (ATH) route, fly before 3 PM. Later flights are 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.
Is it cheaper to buy a plane ticket from Luis Munoz Marin Intl. Airport (SJU) to Eleftherios Venizelos Airport (ATH) last-minute?
Waiting until just before your trip to book a flight from SJU to ATH often results in higher prices. Although you may find some last-minute discounts, they aren’t always guaranteed. Keep your travel plans flexible to boost your chances of getting a bargain.
Is it cheaper to book a SJU to ATH flight and hotel package?
You’ll typically save money by booking a SJU to ATH flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it’s easy to manage it all in one convenient place. Once you’ve selected your preferred flights and accommodations, you can add extras such as tours, activities and car rentals.
Can I cancel or change the date of my flight from Luis Munoz Marin Intl. Airport (SJU) to Eleftherios Venizelos Airport (ATH)?
In most cases, you can modify or cancel your SJU to ATH flight. However, additional fees may apply, especially if you made your booking more than 24 hours ago. Double-check your itinerary for the airline’s guidelines and fees on flight changes, or if you want further information, go to our Customer Service portal.

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*Available to One Key members.