Cheap flights from Athens to Sofia (ATH–SOF)
Greece
Bulgaria
Aegean Airlines, Bulgaria Air and Sky Express (Greece) fly Athens to Sofia (ATH–SOF) nonstop and back, a great-circle distance of 531 km (330 mi).
- From
- ATH
- Athens
- To
- SOF
- Sofia
- Nonstop
- Yes · 3 airlines
- Airlines
- A3 · FB · GQ
- Cheapest fare found
- €64 one-way
- Distance
- 531 km (330 mi)
- Most flights
- Aegean Airlines
- Time in the air
- 53 min · 56 min back
- On time (Touchdown Index)
- 83.1%
- Flights a week
- A3 ~6 · FB ~2 · GQ ~4
- Aircraft seen
- Airbus A320 · ATR-72-600 · Airbus A220-300
Network data imported from airport and airline sources:· How we verify
Athens to Sofia fares by month
Cheapest one-way fare found: €64 for October 2026 on Ryanair (1 stop). Nonstop from €66.
- Oct ’26€64nonstop €80
- Nov ’26€66
- Dec ’26€66
- Jan ’27€69nonstop €83
- Jun ’27€70
- Sept ’27€71
Cheapest one-way fares per month of departure in the Aviasales price cache, found . Fares change by the hour: the live fare is shown when you search.
When to fly ATH–SOF
For Athens (ATH) to Sofia (SOF), October 2026 had the lowest fare found (€64). Days in Sofia average 18–28 °C in May, June, July and September.
Athens to Sofia: frequently asked questions
Fares: Aviasales price cache, 8 October 2026; tracked flights between 6 September and 3 October 2026, from public ADS-B data.
How much is a flight from Athens (ATH) to Sofia (SOF)?
From €64 one-way, the cheapest fare found for October 2026 on Ryanair with 1 stop; nonstop from €66 (found 8 October 2026).
How long is the ATH–SOF flight?
53 min wheels-up to wheels-down, the median of 67 tracked flights; SOF–ATH took 56 min.
Which airlines fly ATH–SOF direct?
Aegean Airlines, Bulgaria Air and Sky Express (Greece).
What is the cheapest month to fly ATH–SOF?
October 2026, at €64; the dearest month found was €71.
What is the time difference between Athens and Sofia?
None: Athens and Sofia keep the same time.
Is ATH–SOF usually on time?
83.1% of 71 ATH–SOF flights landed within 15 minutes of their usual time; 1.4% were over an hour late.
How many ATH–SOF flights a week?
Aegean Airlines 6, Bulgaria Air 2 and Sky Express (Greece) 4 each way.
What aircraft fly ATH–SOF?
Airbus A320, ATR-72-600 and Airbus A220-300.
Sofia to Athens: the return flight (SOF–ATH)
All 3 airlines also fly SOF–ATH nonstop.
The return takes 56 min in the air (median of 30 tracked flights).
Airlines flying ATH–SOF nonstop
| Airline | Usually takes off (ATH time) | Type | Alliance | Notes |
|---|---|---|---|---|
 Aegean Airlines A3 | 08:13–19:57 | full-service | Star Alliance | — |
 Bulgaria Air FB | 18:06–19:14 | full-service | — | — |
 Sky Express (Greece) GQ | 07:29–20:09 | full-service | — | — |
ATH–SOF route map
More from Athens and Sofia
Other arrivals in Bulgaria
Also nonstop from ATH, nearest to SOF first (straight-line distance):
- Varna (VAR) airport guide · 364 km (226 mi) from SOF
Explore the airlines’ route maps
Departure
Athens Eleftherios Venizelos International Airport
Athens (ATH), Athens. In our data, 63 airlines fly nonstop from ATH to 167 destinations.
View ATH airport guide →Arrival
Sofia Airport
Sofia (SOF), Sofia.
Weather in Sofia vs Athens
Sofia is cooler than Athens in every month, by 4–10°C; the biggest gap is in January (4°C against 13°C). In October it averages 18°C in Sofia and 24°C in Athens.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sofia | 4° | 7° | 11° | 17° | 21° | 25° | 28° | 28° | 23° | 18° | 11° | 5° |
| Athens | 13° | 14° | 17° | 21° | 27° | 32° | 34° | 34° | 30° | 24° | 19° | 14° |
Average daily highs. Climate normals from Sofia and Athens (Wikipedia, CC BY-SA), which cite the national weather services.
Onward from Sofia
Places you can't fly to nonstop from ATH, but can from SOF — for a stopover or a second leg.
Related routes
Sources
- en.wikipedia.org — airlines and destinations, checked 2026-10-01
- en.wikipedia.org — airlines and destinations, checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
Flight tracking: adsb.lol community ADS-B data (CC0), 6 September – 3 October 2026. Times are median wheels-up to wheels-down; add taxiing for gate-to-gate.
Report a change — seen something different at the airport or on the airline's site? We re-check and log corrections publicly.