Kindly be informed about the flexibility offered for all bookings with at least one flight segment due to ongoing development in Middle East. Information and guidelines can be found here

Important Notice: Timely arrival at Athens International Airport for extra Schengen flights
As of Monday, March 30, the new EU entry/exit systems comes into effect, thus passengers travelling to Extra Schengen countries are advised to arrive at Athens International Airport at least two hours prior to flight departure to allow sufficient time for check-in, security screening, and passport control.