Originally Posted by Knusper

Hi guys,
I have another stupid question: When I book a "price optimized" intinerary with the online tool, e.g. by using favourable code shares, and I later change the carrier/date of a flight which would have been more expensive when booked in the first place, do I have to pay the difference or is the price I paid for my ONE itinerarity a done deal?
Thanks for your help!