Which airport is closest to St. Augustine, Florida?

Which airport is closest to St. Augustine, Florida. St. Augustine is known as The Ancient City and is located between East Central and Northeast Florida and is convenient to Jacksonville, Dayton and Orlando airports. North Florida boasts a year-round mild climate which is ideal for strolling St. Augustine’s delightful historic district, with its cobblestone, bars, unique shops, and bed and breakfast inns.