| Country | Austria |
|---|---|
| IATA code | HG |
| ICAO code | NLY |
| Web-site | flyniki.com |
Niki was founded in 2003, it ceased operations in 2017. The airline’s primary hub was ????-??????. It also operated a hub at ?????????. Niki was headquartered in Schwechat, Austria. The fleet consisted of Airbus A320-200, Airbus A321-200, Boeing 737-700, Boeing 737-800.
| № | City | Country | Airport | IATA code | ICAO code |
| 1 | Agadir | Morocco | Agadir Al Massira | AGA | GMAD |
| 2 | Alicante, SP | Spain | Alicante-Elche | ALC | LEAL |
| 3 | Berlin | Germany | Berlin Tegel | TXL | EDDT |
| 4 | Brindisi | Italy | Brindisi Casale | BDS | LIBR |
| 5 | Cologne/Bonn | Germany | Cologne/Bonn | CGN | EDDK |
| 6 | Duesseldorf | Germany | Duesseldorf | DUS | EDDL |
| 7 | Faro | Portugal | Faro | FAO | LPFR |
| 8 | Frankfurt | Germany | Frankfurt | FRA | EDDF |
| 9 | Fuerteventura, CI | Spain | Fuerteventura | FUE | GCFV |
| 10 | Las Palmas, CI | Spain | Gran Canaria Las Palmas | LPA | GCLP |
| 11 | Hamburg | Germany | Hamburg Airport Helmut Schmidt | HAM | EDDH |
| 12 | Hannover | Germany | Hannover | HAJ | EDDV |
| 13 | Karlsruhe/Baden-Baden | Germany | Karlsruhe/Baden-Baden | FKB | EDSB |
| 14 | Lanzarote, CI | Spain | Lanzarote | ACE | GCRR |
| 15 | Larnaca | Cyprus | Larnaca International Airport Glafcos Clerides | LCA | LCLK |
| 16 | Leipzig/Halle | Germany | Leipzig/Halle | LEJ | EDDP |
| 17 | Madeira | Portugal | Madeira | FNC | LPMA |
| 18 | Malaga, SP | Spain | Malaga | AGP | LEMG |
| 19 | Muenster/Osnabrueck | Germany | Muenster/Osnabrueck | FMO | EDDG |
| 20 | Munich | Germany | Munich | MUC | EDDM |
| 21 | Paderborn/Lippstadt | Germany | Paderborn/Lippstadt | PAD | EDLP |
| 22 | Palma De Mallorca, SP | Spain | Palma de Mallorca | PMI | LEPA |
| 23 | Ponta Delgada (Azores) | Portugal | Ponta Delgada (Azores) Joao Paulo II | PDL | LPPD |
| 24 | Saarbruecken | Germany | Saarbruecken | SCN | EDDR |
| 25 | Salzburg | Austria | Salzburg Wolfgang Amadeus Mozart | SZG | LOWS |
| 26 | Santa Cruz De La Palma, CI | Spain | Santa Cruz de La Palma | SPC | GCLA |
| 27 | Stuttgart | Germany | Stuttgart | STR | EDDS |
| 28 | Tenerife, CI | Spain | Tenerife-Sur | TFS | GCTS |
| 29 | Vienna | Austria | Vienna International | VIE | LOWW |
| 30 | Zurich | Switzerland | Zurich | ZRH | LSZH |