IATA Code: KF ICAO Code: BLF Known As: Blue1 Full Name: Blue1 Oy Country: Finland Hubs: Helsinki Callsign: Bluefinn Web Site: www.blue1.com History: Blue1 was established in 1987 and started operations in 1988 as Air Botnia. The airline was acquired by SAS in January 1998 rebranded Blue1 in January 2004.