St. Louis Lambert International Airport, MO (KSTL)

St. Charles, St. Charles County Smartt Airport, MO (KSET)

St. Louis Downtown Airport, IL (KCPS)

St. Louis Regional Airport, IL (KALN)

Washington Regional Airport, MO (KFYG)

Belleville, Scott AFB/MidAmerica Airport, IL (KBLV)