Let KAYAK do the searching
Based on KAYAK hotel searches, the most popular destination is Siófok (58% of total searches to Lake Balaton). The next most popular destinations are Balatonfüred (31%) and Balatonalmádi (5%). Searches for hotels in Keszthely (5%) are also popular.
KAYAK users have found double rooms in Lake Balaton for as cheap as £20 (Balatonlelle) in the last 3 days. The average price is £110.