Let KAYAK do the searching
Based on KAYAK hotel searches, the most popular destination is Helsinki (40% of total searches to Finland). The next most popular destinations are Saariselka (40%) and Turku (13%). Searches for hotels in Loviisa (7%) are also popular.
Based on KAYAK hotel searches, the most popular region to stay in Finland is Lapland. Uusimaa and Varsinais-Suomi are also very popular.
KAYAK users have found double rooms in Finland for as cheap as $30 (Helsinki) in the last 3 days. The average price is $488.