Originally Posted by skydve1

I do the ORD-HEL trip a few times a year (and then onto HKG, PEK or PVG) and I stay in T3 Flagship until about T-90. In T5, Finnair will stick you in the Air France catchall club, which isn't anything to write home about.
On thing to note - you'll need to get a Finnair boarding pass from their counter in T5. Several times I've gotten off of the bus in T5 at about T-60, only to hear my name being paged to the Finnair counter for a passport check and boarding pass.