The principal airport serving Pasto and southwestern Colombia, known for its challenging table-top runway and vital regional connectivity.


Antonio Nariño Airport (PSO) is located in Chachagüí, 21 km north of Pasto, Colombia. It serves as the main air gateway for the Nariño Department, handling domestic flights and limited military operations. The airport features a modern terminal and is equipped with an instrument landing system to support operations in challenging weather.
1.3965, -77.2910
Passenger traffic has grown steadily, with a 4.2% year-over-year increase in 2023.
1,200
Personnel include airline staff, ground handlers, security, retail, and airport administration.

Recent terminal and navigation upgrades have increased capacity, but further expansion is limited by runway constraints and weather disruptions.
Deployment of an instrument landing system (ILS) and upgraded navigation aids enhance operational safety and reliability.
Implementation of energy-efficient lighting and waste management programs supports environmental stewardship.
Coordinate with national authorities to secure funding for infrastructure resilience and operational continuity.
Prioritize feasibility studies for a new airport site to address capacity and weather-related limitations.
Expand green initiatives and adopt sustainable practices to align with Colombia's environmental goals.