EI 483 then FR 255 at Dublin
Lisbon → Dublin → London Stansted
Timetable, Dublin time
13:55EI 483 from Lisbon at the gate
08:30FR 255 to London Stansted leaves the gate
18 h 35 apart on the timetable, overnight
FR 255 leaves 18 h 35 after EI 483 arrives on the timetable: more than half a day, so not a connection we count.