Originally Posted by
chacor
Both Finland and Spain are Schengen countries – there is no immigration check. You're fine to stay airside assuming not a bus gate that throws you out into arrivals.
I just landed from in AGP from PMI. Parked in old terminal and we’re bussed to a gate that spat us out into (I presume) domestic arrivals and not airside . Assume was because it was 1230am!