Checking in for a LATAM Airlines flight is a simple and convenient process, with multiple options available to suit different travel preferences. The most recommended method is online check-in, which opens 48 hours before the scheduled departure time for most domestic and international flights, except for flights to or from the United States, where online check-in opens 24 hours before departure due to government regulations. To check in online, passengers can visit the official LATAM Airlines website or use the LATAM mobile app. By entering the booking reference number and the passenger’s last name, travelers can access their reservation, choose or change seats, add baggage or other services, and complete the check-in process. After checking in online, passengers can download or print their boarding pass or receive a mobile boarding pass to be scanned at the airport. This method saves significant time at the airport, especially for passengers traveling with carry-on baggage only, as they can head straight to the security checkpoint without stopping at the check-in counter. For those with checked baggage, LATAM provides designated bag drop counters at the airport where travelers can drop off their luggage after checking in online. These counters usually open around three hours before flight departure and close approximately 60 minutes before departure for domestic flights and 90 minutes before for international flights. If a passenger is unable or prefers not to check in online, they can check in at the airport using either self-service kiosks or traditional check-in counters. These options are available at most airports served by LATAM, and staff are present to assist with any issues or questions. However, it is advised to arrive at the airport well in advance—at least two hours before domestic flights and three hours before international flights—to ensure enough time for check-in, baggage drop, security screening, and boarding. LATAM also provides priority check-in counters for Premium Business passengers, elite frequent flyer members, and passengers needing special assistance. These services help speed up the process and provide a more comfortable experience for travelers with additional needs or higher travel class. During the check-in process, whether online or at the airport, passengers must ensure that all necessary travel documents such as passports, visas, and vaccination records are valid and up to date, especially for international flights. For codeshare flights or flights operated by LATAM partners, check-in rules and times may vary based on the operating airline’s policies. In summary, LATAM Airlines offers a smooth and flexible check-in process through online platforms, mobile apps, airport kiosks, and staffed counters. The best way to check in is online, beginning 48 or 24 hours before departure, depending on the destination. Passengers are encouraged to complete check-in early to choose preferred seats, avoid long lines, and ensure a relaxed airport experience. Always verify check-in deadlines and arrive at the airport on time, particularly if checking bags or flying internationally, to ensure a smooth start to your LATAM journey.