Originally Posted by
SeaProf
From what I understand based on comments here and from a friend who did this recently, you should be able to get credit for a future flight, provided you use it within a year. It doesn't have to be to London and you don't have to book it now. At least that was the case for my friend.
In my case, it clearly states it can't be canceled, only changed. Wich means I've got a week before changing is not even an option, and no credit is given.