How do you Upgrade on SAS Scandinavian Airlines?

Upgrading a flight on SAS Airlines is offered through several methods, providing passengers with an option to get more comfort. One of the most common ways to secure an upgrade is through placing a bid for an upgrade, where travelers can upgrade to higher classes such as Business or Premium Economy. The bidding process is based on seat availability and can be done online after booking. SAS Upgrade Bid is usually available on specific routes and allows passengers to submit their bids within a limited range. If a bid is accepted, the upgrade will be confirmed, and the passenger will be moved to the higher class.