Aegean Airlines allows passengers to check in online as early as 48 hours before the scheduled flight departure, and this service remains open until 30 minutes before the flight. This applies to both the website and mobile app check-in options, making it easy and convenient for travelers to secure their boarding passes, choose seats, and avoid long airport lines. Online check-in is recommended for passengers with hand luggage only, as they can head straight to security upon arrival at the airport. For those who need to check bags, bag drop counters are available and open 2 hours before the flight, closing 40 minutes before departure for domestic and Schengen flights and 60 minutes before for non-Schengen and international flights. Aegean Airlines also provides self-service kiosks at select airports, which generally open 24 hours before departure and close 30 minutes before the flight. The airline’s check-in counters at the airport usually open 2 to 3 hours before the flight and close between 30 to 60 minutes prior, depending on the destination and airport. It is strongly advised to arrive early, especially during busy seasons or when flying out of major hubs like Athens International Airport. Checking in early gives passengers a better chance of selecting preferred seats, managing travel documents, and preparing for security procedures. Aegean’s mobile check-in also allows travelers to save their boarding pass digitally and receive real-time flight updates, which improves the overall travel experience. The process is fast and simple, designed for ease of use by all travelers. During peak travel times such as summer or holidays, Aegean recommends arriving at the airport at least 2.5 to 3 hours before the flight, even if you’ve checked in online, to account for queues at security or baggage drop. Many passengers praise Aegean’s efficient check-in system, noting how online check-in helps reduce stress and saves time. However, those unfamiliar with airport layouts or traveling with infants, elderly family members, or special luggage should consider checking in at the airport a bit earlier. In conclusion, Aegean Airlines offers multiple flexible check-in options: online and mobile check-in from 48 hours to 30 minutes before departure, self-service kiosks from 24 hours before, and airport counter check-in typically from 2 to 3 hours before, closing 30 to 60 minutes before the flight. For a smooth experience, travelers are encouraged to check in as early as possible, use the online tools provided, and arrive at the airport with enough time to complete all procedures without stress. This modern check-in system is designed to make flying with Aegean easier, faster, and more convenient, helping passengers stay in control of their travel plans from the moment they book until they board.