A3 351 then FR 1242 at Athens
Santorini → Athens → Budapest
Timetable, Athens time
06:45A3 351 from Santorini at the gate
18:55FR 1242 to Budapest leaves the gate
12 h 10 apart on the timetable
FR 1242 leaves 12 h 10 after A3 351 arrives on the timetable: more than half a day, so not a connection we count.