Alfredo Vásquez Cobo International Airport (Spanish: Aeropuerto Internacional Alfredo Vásquez Cobo, IATA: LET, ICAO: SKLT) is an international airport located in Leticia, Colombia's southernmost city and capital of the Amazonas Department. The airport is important for the Amazon region, as it is the main gateway to the rest of the country and serves the tri-border area between Colombia, Brazil and Peru.Alfredo Vásquez Cobo International Airport (Spanish: Aeropuerto Internacional Alfredo Vásquez Cobo, IATA: LET, ICAO: SKLT) is an international airport located in Leticia, Colombia's southernmost city and capital of the Amazonas Department. The airport is important for the Amazon region, as it is the main gateway to the rest of the country and serves the tri-border area between Colombia, Brazil and Peru.