When you visit the state of Missouri you will definitely want to visit St. Louis which is located just outside of St. Louis city limits. Saint Louis airport saw a whopping 14.4 million passengers in 2008 and serves over 88 destinations throughout North America and internationally.
There are a variety of airlines that operate in and out of the airport including Air Canada Jazz, Delta Connection, Skywest Airlines, US Airways, Northwest Airlines, Delta Airlines, American Airlines, American Eagle, Great Lakes Airlines, and Frontier Airlines among others.
There are two major cargo airlines that operate in the airport and they include FedEx Express and UPS. There is also a airport lounge for the comfort of passengers called the American Airlines Admirals Club and they offer refreshing snacks and drinks. You can also pick up budget car rental from the St. Louis International Airport as well as use public transportation such as rail and bus links such as the MetroLink Rail which has two stations on site and they will take you directly to the downtown area of the city of St. Louis.
You can also take MetroBus which also provides direct access to the downtown city.