$38 Cheap Flights from Sofia (SOF) to Athens (ATH)

Popular airlines from Sofia Airport (SOF) to Athens Intl. Airport (ATH)

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Cheap Flights from Sofia to Athens (SOF-ATH)

Prices were available within the past 7 days and start at $38 for one-way flights and $89 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

SKY express
SKY express
SKY express
SKY express
Aegean
SKY express
Aegean
Bulgaria Air
Air Serbia
Lufthansa

Alternative airports near Athens

Prices were available within the past 7 days. Prices and availability are subject to change.

Flights from Sofia (SOF) to Athens (ATH)
Origin airport
Sofia
Destination airport
Eleftherios Venizelos
Airlines serving
Aegean, Air France, Air Serbia, Austrian Airlines, Bulgaria Air, ITA Airways, KLM, LOT-Polish Airlines, Lufthansa, SKY express, Swiss International Air Lines, Tarom-Romanian Air Transport, Turkish Airlines
Roundtrip price
$89
Distance
329 mi
Average flight time
1 hour 21 mins

Sofia to Athens Flights

The cheapest times to fly from Sofia 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 Sofia to Athens are during the month of November. You can find some of the cheapest flights from Sofia to Athens with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Sofia to Athens

Sunday is one of the best days to book for cheap flights from Sofia 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 Sofia 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 Sofia to Athens in 2025. You can also book with separate airlines for your outbound and return journeys, from $38 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 Sofia 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 Sofia 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 Sofia Airport (SOF) to Eleftherios Venizelos Airport (ATH) cost?
Score cheap return flights from Sofia Airport (SOF) to Eleftherios Venizelos Airport (ATH) starting at $97. Snag a seat and start your adventure. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Sky Express flight leaving SOF on July 10 2025 and touching down at ATH. The price was last updated on June 14 2025 and has not changed since.
What is the cheapest month to fly from SOF to ATH?
The cheapest flights from SOF 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.
Which airlines fly direct from Sofia Airport (SOF) to Eleftherios Venizelos Airport (ATH)?
Fly straight to Eleftherios Venizelos Airport (ATH). 3 carriers operate direct routes from Sofia Airport (SOF), including:

  • Aegean Airlines
  • Sky Express
  • Bulgaria Air

What is the cheapest airline that flies from SOF to ATH?
Right now, the cheapest carrier offering one-way flights from SOF to ATH is Sky Express. You can take off on this route from $41. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from SOF on July 30 2025. Prices were last updated on June 14 2025 and have not changed since.
How many flights per day from Sofia Airport (SOF) to Eleftherios Venizelos Airport (ATH)?
With an average of 2 direct flights departing from Sofia Airport (SOF) to Eleftherios Venizelos Airport (ATH) each day, you’ll be off on your next adventure in no time.
What are the most popular departure times for flights from Sofia Airport (SOF) to Eleftherios Venizelos Airport (ATH)?
Flights between SOF and ATH are busiest at 8 PM. If you want a more relaxed experience and possibly cheaper fares, look for a departure outside the usual busy windows.
What day of the week has the most flights from SOF to ATH?
If you depart on a Friday, you’ll get the biggest range of choices for flights from Sofia Airport (SOF) to Eleftherios Venizelos Airport (ATH).
What is the earliest flight from Sofia Airport (SOF) to Eleftherios Venizelos Airport (ATH)?
The earliest flight taking off from Sofia Airport (SOF) is at around 10:05AM UTC+2. Board this plane and you’ll reach Eleftherios Venizelos Airport (ATH) at approximately 11:40AM UTC+2. The entire trip takes 1h 35m.
How long does it take to fly from Sofia Airport (SOF) to Eleftherios Venizelos Airport (ATH)?
The average flight time from SOF to ATH is 1 hour and 20 minutes, covering a total distance of 330 mi.
What airline has the least delays from SOF to ATH?
Consider traveling with Aegean Airlines if you’d like to fly straight from Sofia Airport (SOF) to Eleftherios Venizelos Airport (ATH) without any delays. This airline has the strongest track record for punctuality, with an on-time score of 80%. Want real-time updates? You can keep an eye on your flight status using the Expedia App.
What is the best time to fly from Sofia Airport (SOF) to Eleftherios Venizelos Airport (ATH)?
To touch down at Eleftherios Venizelos Airport (ATH) on time, opt for a flight that leaves Sofia Airport (SOF) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this hour.**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.
What airports do you fly into for Athens from Sofia Airport (SOF)?
Eleftherios Venizelos Airport (ATH) is the only airport in Athens with direct flights from Sofia Airport (SOF). Check out your options and discover cheap fares on Expedia.
Is it cheaper to buy a plane ticket from Sofia Airport (SOF) to Eleftherios Venizelos Airport (ATH) last-minute?
Last-minute fares from SOF to ATH are typically more expensive. For the best rates, start searching for flights early. That being said, if you’re flexible with your travel dates, it’s possible to score a cheap fare just before your departure.
Is it cheaper to book a SOF to ATH flight and hotel package?
You’ll generally save money by securing a SOF to ATH flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it’s easy to manage it all in one convenient place. After choosing your preferred accommodations and flights, consider adding extras like car rentals, activities and tours.
Can I cancel or change the date of my flight from Sofia Airport (SOF) to Eleftherios Venizelos Airport (ATH)?
In most instances, you can modify or cancel your SOF to ATH flight. However, there may be additional fees, especially if you made your booking over 24 hours ago. Check your itinerary for the airline’s fees and guidelines on flight changes, or if you need more information, go to our Customer Service portal.

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