The cheapest way to the airport. Nothing listed is quicker.
S-Bahn S2 or S3
S2S3 · S-Bahn Stuttgart (DB Regio), VVS tariffPickup, hours & luggage
Boards at. Stuttgart Hauptbahnhof, the low-level S-Bahn platforms — any S2 toward Filderstadt or S3 toward Flughafen/Messe
A two-zone single is EUR 4.90 at the machine or from a driver, EUR 4.45 in the app (child 6–14: EUR 2.10 / EUR 1.99; under 6 free). The GruppenTagesTicket for two zones is EUR 18.90, or EUR 17.80 in the app, for up to five people until 07:00 next morning.
Luggage. A commuter train with standing room by the doors.
Hours. Monday to Friday the first train is the 04:30 S3, at the airport by 04:57; on Saturday and Sunday the day starts at 05:25. The last is 00:55 every night. On Friday and Saturday nights the S2 runs on hourly, 01:25 to 04:25, with an extra S3 at 03:45.