Daniel Oduber Quirós International Airport

Daniel Oduber Quirós International Airport carries the IATA code LIR — the three letters printed on boarding passes and baggage tags — and the ICAO code MRLB, used in flight plans and by air traffic control. It serves Liberia, Costa Rica.

IATA codes are assigned by the International Air Transport Association for passenger-facing use; the four-letter ICAO code encodes region and country and belongs to the operational side of aviation.