Can I cancel my flight ticket at KLM Airlines? If you would like to cancel your reservation ticket with KLM Airlines, or if you are having trouble figuring out whether you Can I cancel my flight ticket at KLM Airlines? Thus, don't worry or become alarmed; simply call KLM's customer service number at OTA Number +1-800-971-7347 or +1-800-618-0104 . You will receive prompt support from informed representatives as soon as you call. They will provide you with the most recent information and a comprehensive explanation on KLM Airlines' cancellation policy. #CanIcancelmyflightticketatKLMAirlines? Source url: https://skyairbus.com/blog/can-i-cancel-my-flight-ticket-at-klm-airlines/