Here You can find a list of airlines which operated in Szczecin airport.
Liverpool John Lennon - Ryanair
London Stansted - Ryanair, AirAfrique
Dublin - Ryanair
Bergen - WizzAir
Oslo Gardermoen - Norwegian AirShuttle
Sandefjord Torp - WizzAir
Krakow - Ryanair
Warsaw Chopin - LOT