It was formerly a subsidiary of the SAS Group and flew to around 28 destinations in Europe , mainly from its base at Helsinki Airport .
Blue1 Oy was a Finnish airline owned by CityJet .
Blue1 Oy was formerly a airline of the SAS Group and flew to around 28 destinations in Europe , mainly from Blue1 Oy 's base at Helsinki Airport .
Blue1 Oy was a Finnish airline owned by CityJet .