Let KAYAK do the searching
Based on KAYAK hotel searches, the most popular destination is Hermosillo (50% of total searches to Sonora). The next most popular destination is Ciudad Obregón (50%).
KAYAK users have found double rooms in Sonora for as cheap as $123 (Hermosillo) in the last 3 days. The average price is $167.
In the last 72 hours, users have found Sonora hotels for tonight for as low as $75 (Hermosillo). Users have also found 3-star hotels from $88 (Hermosillo) and 4-star+ hotels from $121 (Hermosillo).