| Cheap Flights: Austin or San Antonio to Milan or Venice $511-$539 r/t [July-August] â United United has round-trip flights from Austin or San Antonio (AUS, SAT) to Milan or Venice (MXP, VCE) for $511-$539 with a connection. Flights July to August. 7-day minimum stay required. Italy has reopened to tourists. A negative COVID test is required for entry. Click for more details and booking links Cheap Flights: Austin or San Antonio to Milan or Venice $511-$539 r/t [July-August] â United . | 