Spirit Airlines at Oakland Airport operates out of Terminal 1, which is the main terminal for most domestic low-cost carriers. If you're wondering what terminal is Spirit Airlines at Oakland Airport, rest assured that Terminal 1 is where you will find Spirit's check-in counters, security checkpoints, and boarding gates. This terminal is designed to provide convenient access to Spirit passengers, with ample parking nearby and easy connections to ground transportation. Whether you are arriving or departing, knowing what terminal is Spirit Airlines at Oakland Airport helps ensure a smooth travel experience. Terminal 1 offers all the necessary amenities for Spirit travelers, including dining options, seating areas, and efficient airline services tailored for a budget-friendly flight.