| Cheap Flights: Austin or San Antonio to Munich $552-$565 r/t [January-March] â Delta Delta has round-trip flights from Austin or San Antonio (AUS, SAT) to Munich (MUC) for $552-$565 with a connection. Flights January to March. Extended weekends available. Click for more details and booking links Cheap Flights: Austin or San Antonio to Munich $552-$565 r/t [January-March] â Delta . | 