Let KAYAK do the searching
Based on KAYAK hotel searches, the most popular destination is Aizuwakamatsu (80% of total searches to Fukushima Prefecture). The next most popular destinations are Fukushima (12%) and Kōriyama (4%). Searches for hotels in Nihonmatsu (4%) are also popular.
KAYAK users have found double rooms in Fukushima Prefecture for as cheap as $44 (Kōriyama) in the last 3 days. The average price is $155.