The KLM Airlines Cancellation Policy is for and not against the passengers providing them with the much-needed flexibility and convenience to deal with changes in travel plans. It does not matter if the flight was short-haul or long-haul; KLM makes it easy to change, cancel, or rebook your flight with a number of different options at your disposal. Being familiar with the terms and conditions will enable you to not only avoid but also to apply for refunds in a timely manner.