Originally Posted by
andypandy
so now they try the RYANAIR money-grabbing method of charging you double if you fail to book in advance.
To be fair, I'm not aware of any airline that charges the same at the airport for checked luggage as they do if you pay online in advance. And it's in keeping with KLM's existing excess baggage policy, which grants you a
20% (or more) discount if arranged online in advance.