AY 1739 then VY 6503 at Lisbon
Helsinki → Lisbon → Bilbao
Timetable, Lisbon time
15:25AY 1739 from Helsinki at the gate
13:50VY 6503 to Bilbao leaves the gate
22 h 25 apart on the timetable, overnight
VY 6503 leaves 22 h 25 after AY 1739 arrives on the timetable: more than half a day, so not a connection we count.