6H 563 then GQ 342 at Athens
Tel Aviv → Athens → Santorini
Timetable, Athens time
12:256H 563 from Tel Aviv at the gate
11:50GQ 342 to Santorini leaves the gate
23 h 25 apart on the timetable, overnight
GQ 342 leaves 23 h 25 after 6H 563 arrives on the timetable: more than half a day, so not a connection we count.