Daniel Oduber Quirós International Airport (IATA: LIR, ICAO: MRLB), also known as Liberia International Airport, is the second busiest airport in Costa Rica. The airport is located in the city of Liberia in Guanacaste Province. 

Liberia Intl Airport serves specially as a tourism hub for those who visit the Pacific coast and Western Costa Rica. Considered a main "gateway" to the Costa Rican Riviera often called the Golden Coast. 

The airport is named for Daniel Oduber Quirós, who served as president of Costa Rica from 1974 to 1978. Just 30 minutes away from the Papagayo Gulf (Four Seasons Pagapayo, Hilton Papagayo, Occidental Papagayo) and 45 minutes to an hour from the other resorts like Westin Playa Cochal, RIU Guanacaste, Tamarindo Diria, Witch's Rock Surf Camp and JW Marriott at Hacienda Pinilla.

Such has been the demand that a new and larger terminal was inaugurated on February 2012 and expanded to take 5 more airlines in 2017.  

Features: 
- Updated Terminal Expansion as of 2020. 
- Updated Ground Layout
- Extensive use of PBR materials
- Sloped ground
- Animated Custom Jetways
- Realistic Representation on Buildings
- Custom static aircraft with PBR *New 737,a320 models
- Terminal Interior
- Realistic night lighting
- Custom clutter objects
- Custom taxiway signs
- Highly optimized for a smooth experience