Originally Posted by
irmster
I spoke to OS. Tickets can be re-booked anytime within the 12 month validity (ie the original dates don't apply) for Eur 150 + Eur 35 (not sure what the Eur 35 is for!).
Good news for you. You have the possibility of a very low fare to BKK in high season (DEC-FEB) even if you have to add EUR 185.