Cheap Flights: Austin to Cozumel $218-$233 r/t [August-October] â United United has round-trip flights from Austin (AUS) to Cozumel (CZM) for $218-$233 with a connection. Flights August to October. Very few weekends available. Click for more details and booking links Cheap Flights: Austin to Cozumel $218-$233 r/t [August-October] â United . |