Cheap flights

From England :

Charter Flight Centre
http://www.charterflights.co.uk/flights/greece/crete_(heraklion)

GB Airways - operating as British Airways with full service, low cost flights
http://www.gbairways.com/

From Switzerland-Austria-Germany :

Air Berlin - Fly Euro Shuttle!
http://www.airberlin.com/site/index.php

Germanwings
http://www10.germanwings.com/index.de.shtml

From Italy (Pescara) :

FlyOnAir - voli low cost da Pescara
http://www.flyonair.it/

Aegean Airlines - Book your flights
http://en.aegeanair.com/

From Norway :

Norwegian
http://www.norwegian.com/en/