What is KLM’s Cancellation Policy?
https://www.devex.com/people/what-is-the-cancellation-policy-for-klm-quick-guide-2009086- KLM allows passengers to cancel their flights within 24 hours of booking for a full refund. After 24 hours, the amount refunded depends on the fare class and time before departure. Refunds may not apply to all tickets, especially non-refundable fares. For more details, it’s important to review the ticket conditions before canceling. Want to explore your cancellation options? Check KLM’s website for full details or contact their support team.