ALSA quick facts
Type: carrierRegion: EuropeCountry: SpainBase airport: Madrid-Barajas AirportYear established: 1923
Airline Overview and Services
Alsa Grupo SLU marketed as ALSA is a currently operating Europen railways/bus/ferry airline with a base at Madrid-Barajas Airport, in Madrid, Spain.ALSA 2-char IATA designator is 5I. Launched 102 years ago in 1923, the airline is one of the oldest carriers in the world.
The current information about ALSA baggage policy (last updated 2025) is available on the airline's official website via the link in the menu on the left.
Essential Airline Data for Building Travel Products
An airline coding directory with 20 additional data points empowers your travel app with official airline data.
Learn more or download a demo set
★
Includes all known airlines
★
Includes IATA and ICAO codes
★
JSON/XML API access
★
CSV file export