Determine which parking area at the Oakland airport best suits your needs. The closer you park to the terminal, the more you will pay. You can choose premier, daily, economy or hourly parking. Parking rates are clearly be displayed at the airport, or you can look them up on the Oakland International Airport's website.
Another option is to choose an off-site parking area on the same road as the airport, such as Park 'N Fly, Fasttrack or Expresso. Reservations are recommended. When you arrive at the lot, you can pre-pay or simply get a parking ticket slip and pay when you leave. Take the complimentary shuttle from the parking area to your terminal.
Check with your favorite airport hotel or the hotel you are staying at before you fly. Many airport hotels offer parking for a fee, or for free with an overnight stay. Register your car with the hotel and take the shuttle to the terminal.