| Nonstop Flights: Austin to Liberia, Costa Rica $292-$314 r/t [Nov-Jan, Mar-Sep] â American American has round-trip flights from Austin (AUS) to Liberia, Costa Rica (LIR) for $292-$314, NONSTOP. Flights November, December, January, March, April, May, June, July, August, and September. No Christmas or New Years. Carry-on bag is allowed for free. Fare has change fees. Click for more details and booking links Nonstop Flights: Austin to Liberia, Costa Rica $292-$314 r/t [Nov-Jan, Mar-Sep] â American . | Read More |
