https://community.nicic.gov/node/1856 #KL What is the 24 hour rule for KLM? @Direct~Connect>via#call KLM's 24-hour rule allows you to cancel your F????ight reservation or make changes to your【+1-833-460-1838】 booking within the first 24 hours of purchase without any penalty fees, as long as your F????ight is at least 7 days away. #klmcustomerservice