LATAM Airlines AEP Terminal Mostly operating out of Aeroparque Jorge Newbery's (AEP) Terminal A in Buenos Aires, LATAM Airlines AEP Terminal operates both domestic and regional international flights. These are the check-in counters; travelers can use online check-in and self-service kiosks for faster processing. In addition to Wi-Fi, food, and workstations, LATAM offers comfortable lounges for Business Class and regular flyers. Although overseas flights require passport checks, the immigration and security processes are straightforward. Passengers can also find duty-free dining and shopping options at the terminal. To ensure a smooth trip, LATAM recommends arriving two to three hours before the scheduled departure time.