Austrian low-cost (fly)Niki ceases all operations on 14 December 2017 - Aviation24.be
Niki Laudas Abschied auf Raten: Air Berlin übernimmt flyniki - n-tv.de
flyNiki.com | World Airline News
DUESSELDORF, GERMANY - 03.09.2017 Aircraft of the Niki Airlines Airberlin Partner at the Airport Editorial Photo - Image of aerospace, boeing: 100535001