Athens (ATH) to Sofia (SOF) flights
3 airlines fly nonstop from Athens (ATH) to Sofia (SOF): Aegean Airlines, Bulgaria Air and Sky Express. The two airports are 329 miles (530 km) apart. Aegean Airlines is in Star Alliance. There are also 21 ways to fly it with one stop, through Skiathos, Kerkyra and Izmir and more.
Airlines flying nonstop from ATH to SOF
- Aegean AirlinesStar Alliance · bookable with 12 programsWho books it

- FBBulgaria AirNot in an alliance
- GQSky ExpressNot in an alliance
Book ATH to SOF with points
Loyalty programs that can book at least one of the nonstop airlines, from the Award Booking Guide.
- Air Canada AeroplanBooks Aegean Airlines
- Air New Zealand AirpointsBooks Aegean Airlines
- ANA Mileage ClubBooks Aegean Airlines
- Avianca LifeMilesBooks Aegean Airlines
- Emirates SkywardsBooks Aegean Airlines
- EVA Air Infinity MileageLandsBooks Aegean Airlines
- Lufthansa Miles & MoreBooks Aegean Airlines
- Singapore Airlines KrisFlyerBooks Aegean Airlines
- TAP Miles&GoBooks Aegean Airlines
- Thai Royal Orchid PlusBooks Aegean Airlines
- Turkish Airlines Miles&SmilesBooks Aegean Airlines
- United MileagePlusBooks Aegean Airlines
ATH to SOF with one stop
21 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.
- Via Skiathos (JSI)Sky Express and Olympic Air, then RyanairGQ


- Via Kerkyra (CFU)Ryanair the whole wayGQ




- Via Izmir (ADB)Aegean Airlines, then SunExpress


- Via Tirana (TIA)Aegean Airlines, Wizz Air Malta and 1 more, then Wizz Air

GQ
- Via Istanbul (IST)Turkish Airlines the whole way

GQ
- Via Varna (VAR)Wizz Air, then Bulgaria Air
FB - Via Bucharest (OTP)TAROM the whole way




- Via Chania (CHQ)Ryanair the whole way
GQ

- Via Istanbul (SAW)Pegasus the whole way


- Via Heraklion (HER)Sky Express and Aegean Airlines, then Bulgaria AirGQ
FB - Via Belgrade (BEG)Air Serbia the whole way



- Via Rhodes (RHO)Aegean Airlines and Sky Express, then Ryanair and Wizz Air
GQ

- Via Bari (BRI)Ryanair the whole way




- Via Naples (NAP)Aegean Airlines and easyJet, then Wizz Air and Ryanair




- Via Catania (CTA)Ryanair the whole way



ATH to SOF: common questions
Which airlines fly nonstop from ATH to SOF?
Aegean Airlines (Star Alliance), Bulgaria Air and Sky Express fly nonstop from Athens (ATH) to Sofia (SOF).
How far is Athens from Sofia by plane?
Athens (ATH) and Sofia (SOF) are 329 miles (530 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.
Which points programs can book ATH to SOF award flights?
12 programs can book at least one of the nonstop airlines: Air Canada Aeroplan, Air New Zealand Airpoints, ANA Mileage Club, Avianca LifeMiles, Emirates Skywards, EVA Air Infinity MileageLands, Lufthansa Miles & More, Singapore Airlines KrisFlyer and 4 more. Which flights each can book depends on its partners, so check the airline before you transfer points.
How many miles does ATH to SOF cost?
It depends on the program: each prices the route from its own chart or dynamically. The Award Flight Pricer compares 30+ programs for ATH to SOF with taxes and fees.
Where can I connect between Athens and Sofia?
The most direct connections are through Skiathos (JSI), Kerkyra (CFU), Izmir (ADB), Tirana (TIA) and Istanbul (IST). On 11 of them the same airline flies both flights, for example Ryanair through Kerkyra.
More routes
Routes are scheduled nonstop flights. The route data is refreshed monthly; this list was last checked November 11, 2026. Seasonal routes and new launches can be missing or end early, so confirm with the airline before you book. Distances are great-circle, the shortest path between the two airports.