Flight Athens International Airport Eleftherios Venizelos departs from Athens Athens International Airport Eleftherios Venizelos at 11:15 and arrives at Frankfurt Frankfurt Airport at 13:25.
The flighttime is about 3h 10m. The distance travelled ("as the bird flies"): 2141 Km. So the average speed is roughly 676 Km.
There is an 1 hour time difference between Athens and Frankfurt