Are there nonstop flights from Argos Orestiko (KSO) to Athens (ATH)?

Yes. Sky Express (Greece) fly this route. Flight time is about 55m.

What is the fastest connection from Argos Orestiko (KSO) to Athens (ATH)?

via Kozani ≈ 1h 26m (estimated flying time, excluding layovers).

Kastoria National Airport Aristotle (KSO) to Athens Eleftherios Venizelos International Airport (ATH)・361 km

Nonstop flights available (1 airline). Flight time about 55m. Nonstop return flights also operate.

1 one-stop options, sorted by estimated flying time. Tap one to see the airlines on each leg and booking links.

Times are estimated from distance. Check schedules, frequency and availability with the airline or a booking site.