Well, at the moment, a two-way ticket from Cologne to Helsinki (with
German Wings, does cost about € 88,00.
(We do not need to go to A'dam first Sun)
Eurohostel has prices from € 19,50 up to € 36,50 per night.
The train from Helsinki to Tampere costs about € 25,00 (one way ticket).
Entrance to venues are nomaly not that expensive in Finland.
Alcohol does cost more.
..and for good food they have
Hesburger
I hope this helps...
...and Kjell:
that poetic expression is originaly from the FiNRG website,
so I don't deserve the credits for that.