Wondering about What is KLM Cancellation Policy? KLM Royal Dutch Airlines offers travelers several cancellation options based on ticket type. Flex tickets allow for free cancellations, while standard fares may incur charges. Passengers can cancel bookings within 24 hours of purchase for free, regardless of the fare. If KLM cancels your flight, you are eligible for a full refund or rebooking. KLM’s cancellation rules are accessible online through their "My Trip" section. Understanding the cancellation terms in advance can save you money and stress. Consider flexible fares for greater peace of mind if your travel plans might change unexpectedly.