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Flights between Athens (ATH) and Sofia (SOF)

Eleftherios Venizelos International Airport, Greece ↔ Sofia Airport, Bulgaria

A direct route between Athens and Sofia appears in the OpenFlights route network.

This reflects historical scheduled service and may be out of date — it is not a live timetable.

Airlines that have operated this route include:

Aegean Airlines (A3)FBKMOA
Distance
531 km
330 miles
Est. flight time
1h 10m
great-circle estimate
Time difference
None
varies with DST
View this route on the live map →Search fares on Skyscanner ↗

Climate

Typical monthly temperatures in Greece

Jan
13°
18/8
60mm
Feb
14°
19/9
50mm
Mar
16°
21/11
45mm
Apr
20°
25/15
30mm
May
25°
30/20
20mm
Jun
30°
35/25
10mm
Jul
33°
38/28
5mm
Aug
33°
38/28
10mm
Sep
28°
33/23
20mm
Oct
22°
27/17
50mm
Nov
18°
23/13
70mm
Dec
14°
19/9
80mm

Mean °C (high/low below), avg. rainfall mm · country-level monthly normals, not airport-specific.

Typical monthly temperatures in Bulgaria

Jan
4°
9/-1
40mm
Feb
6°
11/1
35mm
Mar
11°
16/6
40mm
Apr
17°
22/12
50mm
May
22°
27/17
70mm
Jun
26°
31/21
70mm
Jul
29°
34/24
55mm
Aug
29°
34/24
45mm
Sep
24°
29/19
40mm
Oct
17°
22/12
50mm
Nov
10°
15/5
55mm
Dec
5°
10/0
50mm

Mean °C (high/low below), avg. rainfall mm · country-level monthly normals, not airport-specific.

Travel advisories

Greece: Normal precautions (UK FCDO) ↗Bulgaria: Normal precautions (UK FCDO) ↗

Common questions

How far is Athens from Sofia?

Athens (ATH) and Sofia (SOF) are around 531 km (330 miles) apart — an estimated 1h 10m by air. Distances and flight times are great-circle estimates.

Which airlines have operated the ATH–SOF route?

Airlines recorded operating this route in the OpenFlights network include Aegean Airlines, FB, KM, OA. This reflects historical scheduled service and may be out of date.

What is the time difference between Athens and Sofia?

Both airports keep the same time — no time difference.

When is it warmest in Bulgaria?

Across Bulgaria, the warmest month on average is July, with mean temperatures around 29°C. These are country-level monthly climate normals, not airport-specific.

Are there travel advisories for Greece and Bulgaria?

The UK FCDO currently rates Greece as Normal precautions; The UK FCDO rates Bulgaria as Normal precautions. Check the official sources before you travel.

Distances and flight times are great-circle estimates, not booked block times.