https://community.powerplatform.com/forums/thread/details/?threadid=8c1613cb-6655-ef11-a317-0022481d08e0 {{[FAQs~HELP™]}}What is the 24-hour rule for KLM? 24/7#hour #KLM What is the 24 hour rule for KLM? If you book a flight with KLM, you have 24 hours to cancel and receive a full refund with no fees $1 "844[488]0875"; This is applicable to all flights and ticket types. You can cancel by visiting KLM's website, using their mobile app, or calling customer support at $1 "844[488]0875";