Flight Istanbul Atatürk Airport departs from Istanbul Istanbul Atatürk Airport at 20:50 and arrives at Barcelona Barcelona–El Prat Airport at 22:45.
The flighttime is about 2h 55m. The distance travelled ("as the bird flies"): 2973 Km. So the average speed is roughly 1019 Km.
There is an 1 hour time difference between Istanbul and Barcelona
