Megabus
+1 877 462-6342, (http://www.megabus.com). Service to Columbus from Cincinnati, Indianapolis, and Chicago. Fares start at $1. Buses arrive and depart downtown Columbus at the COTA Express Transit Terminal, located at West Spring Street and North Wall Street. Buses also serve Ohio State University from a stop at the north side of the Neil Drive loop next to the McCorkle Aquatic Pavilion. Neil Drive is located northwest of Neil Avenue and West 12th Avenue.
Port Columbus International Airport (IATA: CMH)
Port Columbus is served by all the major airlines, with direct flights to most major American cities. Aside from rental cars, the airport can also be reached by the #92 bus, or by taxi. A taxi ride to downtown is only 10 minutes and will cost approximately $25. Depending on your schedule and where you are connecting to, it may be worthwhile to check flights to Dayton as well, as they are often cheaper.