Viking Line commenced service in 1959, when the S/S Viking began sailing between the Finnish mainland, the Åland Islands and Sweden.

Today's Viking Line Abp was established in 1963 under the name Ålandsfärjan Ab. It gained a listing on the Helsinki Stock Exchange on July 5, 1995.

Today Viking Line has seven vessels, which sail between the Finnish mainland, Åland and Sweden as well as between Finland and the Baltic states. Operations include passenger services, recreation and cargo carrier services.