KLM Flight Change Policy So what is KLM airlines’ cancellation policy? For more information on KLM flight change policy, you can visit the official website or call OTA: at +1-800-860-5036 or 1-800-618-0104. With this guide, you can customize your KLM airlines ticket according to your convenience, and KLM airlines will make the changes for you smoothly and efficiently. #howtoknowklmflightchangepolicy #contactcustomercareatklmairlines Source url: https://skynair.com/blog/klm-flight-change-policy/