In order to confirm your reservation and acquire your boarding ticket prior to a flight with Scandinavian Airlines System (SAS), you must check in with SAS Airlines. You can accomplish this in a number of ways, such as at the airport counters, through mobile apps, online check-in, or online check-in. Giving your booking information, picking your seats, and receiving your boarding pass—which gives you access to the flight—represent the normal check-in procedures. To ensure a quick and easy departure with SAS Airlines, it is a crucial stage in the air travel process.