Just on the off chance, as this was quite a popular fare. If anyone is going on this, there is a local flight from Vantaa in the restored DC3 at 1900 - it fits in with my timings very nicely, and a bit of a steal at €85 plus the cost of membership, €15. I just booked.
See
Book a member flight - DC-yhdistys ry. (dc-ry.fi)