Valet parking has officially arrived at Phoenix Sky Harbor Airport. Travelers to Terminal 4 can choose between two options. For $30 per day, drivers can make reservations or simply pull into Level 4 of the parking garage and hand their keys to a valet. For $32 per day, travelers need to make reservations to pull up to the curb and leave their cars. Non-valet parking at Terminal 4 costs $25 per day.