Direct (nonstop) flights from Sofia to Athens
3 airlines fly nonstop from Sofia Airport (SOF) to Athens International Airport (ATH). It's 329 miles (529 km), about 1h 15m in the air. Operated by Aegean Airlines, Bulgaria Air, Sky Express.
Aegean Airlines
Bulgaria Air
Sky Express
Route data last updated: May 30, 2026
Airlines with non-stop flights
A3
Aegean Airlines
Alternative Routes
Other ways to fly from Sofia to Athens with one stop · direct emits 61 kg CO₂ per passenger
Looking for the return flight?
ATH → SOF: Flights from Athens to SofiaOther direct flights from Sofia
Direct flights from Athens (ATH)
Frequently Asked Questions
How long is the direct flight from Sofia to Athens?
A nonstop flight from Sofia (SOF) to Athens (ATH) takes approximately 1 hours and 15 minutes. The distance is 329 miles (529 km).
Which airlines fly nonstop from Sofia to Athens?
3 airlines: Aegean Airlines, Bulgaria Air, Sky Express.
Is there a nonstop flight from Sofia to Athens?
Yes. 3 airlines: Aegean Airlines, Bulgaria Air, Sky Express.
How far is Sofia from Athens?
The flight distance from Sofia to Athens is 329 miles (529 km), measured as the great-circle (shortest air) distance. That's roughly the same distance as Mumbai to Goa.
What type of aircraft flies from Sofia to Athens?
At 1h 15m, this route typically uses narrow-body aircraft — Boeing 737 or Airbus A320. Varies by airline.
Do I need a visa to travel from Bulgaria to Greece?
Depends on your passport. Check with the Greece embassy or an official visa portal before booking — requirements change.
What is the carbon footprint of a flight from Sofia to Athens?
Roughly 61 kg CO2 per passenger one-way. That's about the same as driving 305 km.
Is the return flight from Athens to Sofia also nonstop?
Yes — nonstop flights run both ways. Flight time may differ slightly due to wind patterns.
When is the cheapest time to fly from Sofia to Athens?
Midweek flights (Tue/Wed) outside holiday peaks are usually cheapest. 3-6 weeks ahead is a good window for this route. Use "Check Prices" above to compare.
How early should I arrive at Sofia Airport for this flight?
3 hours before departure for international flights. You need time for check-in, security, and immigration.