London Stansted Airport provides connections to destinations all across Europe, with some more far flung destinations on offer as well. There are currently no long-haul flights from the airport. Currently, the selection of airlines and flights includes:

British Airways
Offer scheduled flights to Berlin-Tegel and seasonal services to airports in skiing regions, including Chambery, as well as summer flights to Mediterranean airports.
EasyJet
A major customer of the airport, Easyjet fly to Stansted to destinations that include Amsterdam, Bilbao, Ljubljana, Malaga, Munich, Palma de Mallorca and Prague as well as seasonal flights to holiday destinations like Bodrum or Zakynthos.
Eurowings
Connect London Stansted to German destinations like Cologne, Bonn, Hannover and Stuttgart along with Vienna.
Jet2
Projected to begin a large number of services from Stansted in 2017, including flights to Fuerteventura, Gran Canaria, Geneva, Kos and Rhodes.
Ryanair
Comfortably the heaviest user of London Stansted Airport, the Irish low-cost airline Ryanair provides connections to popular holiday destinations like Faro, Alicante, Lanzarote and Tenerife, as well as city break destinations like Berlin, Frankfurt, Oslo, Budapest and Turin. They also offer many seasonal services to destinations that include Rhodes, Girona and Almeria.