Oakland, California KOAK #48 US airport by passengers
How OAK is laid out and how to move between buildings.
Serves all airlines except Southwest, per the airport's FAQ. Check-in counters listed by the airport in 2025 include Alaska, Allegiant, Delta, Hawaiian, Sun Country, Advanced Air, Volaris and Viva Aerobus. It is the closer terminal to the Daily, Hourly and Premier parking entrances. After security, the Escape Lounge is near Gate 9, Little Main St. (a local shop with snacks, travel items and magazines) is near Gate 5, and Hudson's Duty Free and Lake Merritt Essentials are near Gate 1.
Southwest only. Southwest check-in can only be completed in Terminal 2. CLEAR eGates and TSA PreCheck enrollment are located here. Per a BART guide to shopping at OAK, a gourmet food shop is at Gate 24 after security.
The two terminals are connected by a covered walkway, both before and after security, according to the airport. All gates can be reached from the TSA checkpoint in either terminal, so you can enter at whichever is closer and walk to your gate on the other side of security.
Reviewed October 8, 2026. Confirm details on the official airport website. Spotted a change?
Terminal 2 is Southwest only. Terminal 1 serves all other airlines. The terminals are connected, so you can reach any gate from either checkpoint.