Let KAYAK do the searching
Based on KAYAK hotel searches, the most popular destination is Buenos Aires (73% of total searches to Argentina). The next most popular destinations are San Carlos de Bariloche (10%) and Puerto Iguazú (10%). Searches for hotels in El Calafate (7%) are also popular.
Based on KAYAK hotel searches, the most popular region to stay in Argentina is Capital Federal District. Buenos Aires and Santa Cruz are also very popular.
KAYAK users have found double rooms in Argentina for as cheap as $6 (Puerto Iguazú) in the last 3 days. The average price is $101.