| Cheap Flights: San Antonio to/from Guadalajara $249 r/t [August-April] â Aeromexico Aeromexico has round-trip flights from San Antonio (SAT) to Guadalajara (GDL) for $249 with a connection. Flights August to April. No Sunday departures. Weekends available. Origin/Destination reversible. Volaris also has flights available for $211 nonstop on some dates, but they charge extra for bags. A negative COVID test result is required for return. Click for more details and booking links Cheap Flights: San Antonio to/from Guadalajara $249 r/t [August-April] â Aeromexico . | 