| Nonstop Flights: San Antonio to/from Mexico City $224-$234 r/t [September-November] â Aeromexico Aeromexico has round-trip flights from San Antonio (SAT) to Mexico City (MEX) for $224-$234, NONSTOP. Flights September to November. No Sunday departures. Weekends available. Origin/Destination reversible. Click for more details and booking links Nonstop Flights: San Antonio to/from Mexico City $224-$234 r/t [September-November] â Aeromexico . | 
