Daniel Oduber Quirós International Airport ( Spanish : Aeropuerto Internacional Daniel Oduber Quirós ) ( IATA code : LIR • ICAO code : MRLB ), also known as Liberia Airport , is one of the four international airports of Costa Rica . Rica . The airport is located about ten kilometers southwest of the center of the city of Liberia , in the Province of Guanacaste , in the northwest of the country. It is bordered from the south by road 21, which connects it to Liberia. It serves primarily as a tourism hub for those visiting the coast along thePacific Ocean of Costa Rica. The airport has been named since 1994 in honor of Daniel Oduber Quirós , president of Costa Rica between 1974 and 1978 .