FR 23 then FR 4518 at Dublin
Beauvais → Dublin → Athens
Timetable, Dublin time
23:30FR 23 from Beauvais at the gate
17:50FR 4518 to Athens leaves the gate
18 h 20 apart on the timetable, overnight
FR 4518 leaves 18 h 20 after FR 23 arrives on the timetable: more than half a day, so not a connection we count.