Atlanta to Detroit Round Trip only $157 Cheap Flights from Atlanta to Detroit Round Trip only $157 (Jul dates) Departure City : Atlanta, GA (ATL) Arrive City : Detroit, MI (DTW) Trip : Round-Trip Direct Flight : Flights from Atlanta Compare and Book Cheap Flights for Current Month Southwest Airlines Cheap Flight Deals Post navigation Cheap Flights from New York to Orlando Round Trip only $106 Cheap Flights from Newark to Los Angeles Round Trip only $206