Here You can find a list of airlines which operated in Poznan airport.
Tirana - WizzAir
Brussels-Charleroi - Ryanair
Burgas - Ryanair, Bulgarian Air Charter
Billund - Ryanair
Copenhagen Kastrup - Scandinavian Airlines System
Kutaisi - WizzAir
Chania - Ryanair
Heraklion - Travel Service, Ryanair, EnterAir
Kefalonia - Sky Express Greece
Kos - Sky Express Greece
Rhodes - Sky Express Greece
Zakynthos - Ryanair, Travel Service
Birmingham International - Ryanair
Bristol - Ryanair
Leeds Bradford - Ryanair
Liverpool John Lennon - Ryanair
London Gatwick - Ryanair
London Luton - WizzAir, Titan
London Stansted - Ryanair
Manchester - Ryanair
Amsterdam Schiphol - KLM Royal, AirFrance, Delta
Cork - Ryanair
Dublin - Ryanair
Bari - Ryanair
Cagliari Sardinia - Ryanair
Milan Bergamo - Ryanair
Rome Ciampino - Ryanair
Treviso - Ryanair
Pula - Ryanair
Zadar - Ryanair
Kaunas - LOT, Ryanair
Malta Luqa - Ryanair
Wroclaw - Ryanair
Krakow - Ryanair
Rzeszow - Sky Express Greece
Warsaw Chopin - LOT
Bukarest Otopeni - EnterAir
Edinburgh - Ryanair
Stockholm Arlanda - Ryanair
Bratislava - LOT
Alicante - Ryanair
Barcelona Girona - Ryanair, EnterAir
Lanzarote Arrecife - Ryanair
Malaga Costa del Sol - Ryanair
Palma de Mallorca - Ryanair
Zaragoza - Atlas Air
Antalya - EnterAir, Ryanair
Izmir Adnan Menderes - EnterAir
Budapest - Ryanair
Frankfurt am Main - Lufthansa, LOT, Singapore Airlines
Köln Bonn - AirMekong, Ryanair
Munich - Lufthansa