Let KAYAK do the searching
Based on KAYAK hotel searches, the most popular destination is Puerto Peñasco (84% of total searches to Sonora). The next most popular destinations are Hermosillo (9%) and San Carlos (5%). Searches for hotels in Nogales (3%) are also popular.
KAYAK users have found double rooms in Sonora for as cheap as $39 (Heroica Caborca) in the last 3 days. The average price is $298.
In the last 72 hours, users have found Sonora hotels for tonight for as low as $65 (Puerto Peñasco). Users have also found 3-star hotels from $72 (Puerto Peñasco) and 4-star+ hotels from $110 (Puerto Peñasco).