Flight Istanbul Atatürk Airport departs from Istanbul Istanbul Atatürk Airport at 20:50 and arrives at Lisbon Humberto Delgado Airport at 23:00.
The flighttime is about 4h 10m. The distance travelled ("as the bird flies"): 4226 Km. So the average speed is roughly 1014 Km.
There is an 2 hour time difference between Istanbul and Lisbon
