How to get to the Atlanta airport using MARTA Catch southbound Red or Gold line trains to reach Atlanta's Hartsfield-Jackson International Airport On the Blue or Green MARTA lines? Transfer to southbound Gold or Red line trains at the Five Points station Travelers can take MARTA to the domestic terminal and use a shuttle to connect to the international terminal Trips on the MARTA are $2.50 each way and can be purchased online or at a station