Gulfport-Biloxi International Airport terminal serves approximately one million passengers per year. This facility provides every service for travelers' better flight experience. The terminal includes ticket counters, baggage claim area, public area, rental car center, ATMs, gift and news shops, restaurants, restrooms, lounge, etc. There are Gymbo and Red Beans and Rice restaurants presented at the airport, providing delicious food and drinks. For business people, the terminal offers workstations with the internet. ATMs are available at the facility that accepts all major bank cards. For families, the terminal provides changing rooms for babies.

The airport terminal is open from 4:30 am. Passengers are welcome to stay in the public area, as long as they want. Showers at the terminal are not available, and the smoking area is provided airside.