£39 Cheap Flights from Athens (ATH) to Sofia (SOF)

View £39 flight on Thu, 27 Nov 2025Opens in a new window

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

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Cheap Flights from Athens to Sofia (ATH-SOF)

Prices were available within the past 7 days and start at £39 for one-way flights and £69 for return, for the period specified. Prices and availability are subject to change. Additional terms apply.
Aegean
Thu, 27 Nov - Thu, 4 Dec
ATH
Athens
SOF
Sofia
£69
Return
Found 5 days ago
Select Aegean flight, departing Thu, 27 Nov from Athens to Sofia, returning Thu, 4 Dec, priced at £69 Found 5 days ago
SKY express
Thu, 17 Jul - Fri, 18 Jul
ATH
Athens
SOF
Sofia
£72
Return
Found 2 days ago
Select SKY express flight, departing Thu, 17 Jul from Athens to Sofia, returning Fri, 18 Jul, priced at £72 Found 2 days ago
Aegean
Thu, 27 Nov - Thu, 4 Dec
ATH
Athens
SOF
Sofia
£79
Return
Found 5 days ago
Select Aegean flight, departing Thu, 27 Nov from Athens to Sofia, returning Thu, 4 Dec, priced at £79 Found 5 days ago
Aegean
Thu, 17 Jul - Fri, 18 Jul
ATH
Athens
SOF
Sofia
£83
Return
Found 2 days ago
Select Aegean flight, departing Thu, 17 Jul from Athens to Sofia, returning Fri, 18 Jul, priced at £83 Found 2 days ago
SKY express
Thu, 17 Jul - Fri, 18 Jul
ATH
Athens
SOF
Sofia
£86
Return
Found 2 days ago
Select SKY express flight, departing Thu, 17 Jul from Athens to Sofia, returning Fri, 18 Jul, priced at £86 Found 2 days ago
SKY express
Fri, 25 Jul - Sun, 27 Jul
ATH
Athens
SOF
Sofia
£87
Return
Found 2 days ago
Select SKY express flight, departing Fri, 25 Jul from Athens to Sofia, returning Sun, 27 Jul, priced at £87 Found 2 days ago
Aegean
Fri, 25 Jul - Mon, 28 Jul
ATH
Athens
SOF
Sofia
£89
Return
Found 4 days ago
Select Aegean flight, departing Fri, 25 Jul from Athens to Sofia, returning Mon, 28 Jul, priced at £89 Found 4 days ago
Bulgaria Air
Tue, 12 Aug - Sun, 17 Aug
ATH
Athens
SOF
Sofia
£106
Return
Found 2 days ago
Select Bulgaria Air flight, departing Tue, 12 Aug from Athens to Sofia, returning Sun, 17 Aug, priced at £106 Found 2 days ago
Air Serbia
Thu, 2 Oct - Sat, 4 Oct
ATH
Athens
SOF
Sofia
£146
Return
Found 6 days ago
Select Air Serbia flight, departing Thu, 2 Oct from Athens to Sofia, returning Sat, 4 Oct, priced at £146 Found 6 days ago
ITA Airways
Fri, 17 Oct - Sun, 19 Oct
ATH
Athens
SOF
Sofia
£173
Return
Found 3 days ago
Select ITA Airways flight, departing Fri, 17 Oct from Athens to Sofia, returning Sun, 19 Oct, priced at £173 Found 3 days ago
Flight from Athens to Sofia route information
Origin airport
Eleftherios Venizelos
Destination airport
Sofia
Airlines serving
Aegean, Air Serbia, Austrian Airlines, Bulgaria Air, ITA Airways, LOT-Polish Airlines, Lufthansa, SKY express, Swiss International Air Lines, Tarom-Romanian Air Transport, Turkish Airlines
Return price
£68
Distance
527 km
Average flight time
1 hour 25 mins

Compare flights from Athens to Sofia easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Athens to Sofia. Operating between them 2 flights per day, 20 airlines cover the route. And Aegean Airlines, Bulgaria Air fly direct, getting you to Sofia in just 1hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Eleftherios Venizelos to Sofia.  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from Eleftherios Venizelos (ATH) to Sofia (SOF)

The easiest way to view the best deals on flights from Athens to Sofia today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Eleftherios Venizelos to Sofia start at just £69 and range up to £173.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near Athens and Sofia
  • booking your flight during November, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your Athens to Sofia flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Eleftherios Venizelos to Sofia for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Frequently asked questions

How much is a flight from Athens International Airport to Sofia Airport (SOF)?
The lowest price advertised for a round-trip flight between Athens International Airport and Sofia Intl. Airport is £69. But you better act soon. This figure is taken from fares listed within the last 7 days on Expedia for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Athens International Airport to Sofia Intl. Airport?
This varies between air carriers, as each one has its own set of terms and conditions. Visit the Customer Service Portal, where you’ll find easy instructions on how to cancel online.
How do I find cheap flights from ATH to Sofia Airport (SOF) that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you’re searching for ATH to SOF flights, you’ll see a “no change fees” filter for you to select.
How far is the flight from ATH to Sofia Airport (SOF)?
It’s just 530 kilometres between Spata-Artemida and Sofia. Chances are you’ll spend more time getting to and from the airport than you will actually flying!
Which airlines fly direct from Athens International Airport to SOF?
Aegean Airlines (A3) is one of the top choices for many travellers flying between AIA Airport and SOF. Choose from the 30 flights it offers on this route each month. Another airline servicing this route is Sky Express (GQ). You’ll have 21 flights a month to take your pick of.
Are AIA Airport to Sofia Intl. Airport flight tickets cheaper when they're purchased at the last minute?
Booking last minute from Eleftherios Venizelos Airport (ATH) to SOF can be hit-or-miss. You may be able to find a bargain, but you could also miss out entirely! If you’d prefer to play it safe and start planning ahead of time, Expedia compares flight deals up to a year in advance. Just keep in mind that not all airlines publish their prices so far in advance. Our advice? Check back often as updates are made regularly.

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