You can do a time building in Latvia's Avioservice. From 80Eur/h (all inclusive price). Check with
Pilot School | Pilot Training | Pilot Learning | Flight school | Flight Learning .
By the way, now they offer the across Europe flights. Two pilots-timebuilders and safety pilot. Flight from Riga (RIX) to Barcelona, Sabadell (LELL). Aircraft- Beechcraft C23 Sundowner. Price - 150Eur/h for PIC time.