Let KAYAK do the searching
Based on KAYAK hotel searches, the most popular destination is Port Moresby (95% of total searches to New Guinea). The next most popular destinations are Madang (2%) and Sorong (1%). Searches for hotels in Jayapura (1%) are also popular.
KAYAK users have found double rooms in New Guinea for as cheap as $118 (Mount Hagen) in the last 3 days. The average price is $232.
In the last 72 hours, users have found New Guinea hotels for tonight for as low as $246 (Port Moresby). Users have also found 3-star hotels from $273 (Lae) and 4-star+ hotels from $246 (Port Moresby).