I don’t like to be an advertisement-man but this list of low cost airlines helps when I’m planning my trips around Europe. I hope it’s also useful for you. You can find a longer list in wikipedia. Another useful link (in Spanish): vuelos baratos.
| Company | Based in |
|---|---|
| Wizz Air | Poland and Hungary |
| Vueling | Spain |
| Ryan Air | London Stantsted, Liverpool, Dublin, Shannon, Frankfurt, Brussels, Rome, Pisa, Milan and Girona |
| Easy Jet | UK and Ireland London, Bristol, Newcastle, Liverpool and Belfast |
| Thomson Fly | UK |
| My Air | Italy Milano,Bologna,Venezia |
| Transavia | Netherlands Schiphol,Rotterdam |
| Virgin Express | Belgium Brussels int. airport |
| Corendon | Netherlands  Turkey |
| Sky Europe | Praga, Budapest, Bratislava and Cracovia |
| Air Berlin | Germany |
| Sterling | Denmark |
| German Wings | Germany Cologne, Stuttgart, Hamburg and Berlin SXF |
| Condor | Germany Europe, America, Africa, Asia |
| Blue Air | Rumania Bucarest |
| HLX | Germany |
| Fly dba | Germany |
| Flybe | UK and Ireland Birmingham, Southampton, Exeter, Norwich and Belfast |
| Jet2 | UK and Ireland Manchester, Leeds Bradford, Blackpool and Belfast |
| Norwegian.no | Norway Oslo, Bergen, Trondheim |
| kullaflyg.se | Sweden (only domestic flights) Ängelholm, Bromma, Visby |
| Bmi Baby | UK Heatrow, Birmingham, Manchester, Nottingham, Cardiff, Durham Tees Valley |
| Aerlingus | Ireland Europe, USA, United Arab Emirates Dublin, Cork |
| Air Baltic | Eastern Europe (most of the flights are via Riga) Helsinki, Tallin, Riga, Kaliningrad, St Petersburg, Moscow, Kiev, Minsk |
| Air Scotland | UK Spain |
| Air SouthWest | UK (only domestic flights) |
| Air Turquoise | France (only domestic and London flights) Reims, Bordeaux, Toulouse, Nice, Marseilles |
| Atlas Blue | Morocco Marrakech, Agadir |
