How Can I Cancel My KLM Flight and Get a Refund?
https://central.xero.com/s/question/0D58V00009ORFc1SAH/what-is-%F0%9D%95%82lms-cancellation-policyKLM offers a 24-hour grace period for cancellations with a full refund. For cancellations made after this period, the amount refunded depends on your ticket’s terms and conditions. Check your fare rules and reach out to KLM’s customer service through their website for more information on how to proceed.