Let KAYAK do the searching
Based on KAYAK hotel searches, the most popular destination is Des Moines (45% of total searches to Iowa). The next most popular destinations are Oskaloosa (33%) and Altoona (12%). Searches for hotels in Newton (9%) are also popular.
KAYAK users have found double rooms in Iowa for as cheap as $108 (Des Moines) in the last 3 days. The average price is $205.