From Savannah Airport bus to Savannah, GA, bus to Jacksonville, FL, then bus to St. Augustine, FL. 6hrs 12min $50. From Savannah Airport (SAV) drive to St. Augustine. 2hrs 57min $22. From Savannah airport fly to Daytona Beach airport, taxi to Daytona Beach, FL, then bus to St. Augustine. 6hrs 02min $369. From Savannah airport fly to Jacksonville airport, line 1 bus to Rosa Parks Station Bay P, line 5 bus to Jacksonville, FL, then bus to St. Augustine. 6hrs 44min $252.