Let KAYAK do the searching
Based on KAYAK hotel searches, the most popular destination is Aizuwakamatsu (43% of total searches to Fukushima Prefecture). The next most popular destinations are Fukushima (28%) and Kōriyama (18%). Searches for hotels in Nihonmatsu (10%) are also popular.
KAYAK users have found double rooms in Fukushima Prefecture for as cheap as $27 (Kōriyama) in the last 3 days. The average price is $117.