I will do a post about errorfares tomorrow and how to book cheap tickets, as last time I did one (for a friend's blog, in Italian) I found 20€ return tickets from Zurich (Switzerland) to Gran Canaria (Canary Islands, an archipelago of Spain 200 km west of Morocco), a distance of 4 hours and a half! In case you cannot reply to them, there is always Flightfox ;)