KLM’s 24-hour rule allows you to cancel or change your flight free of charge within the first 24 hours of booking. This feature provides a valuable safety net for travelers who might need to amend their plans. To utilize this option, ensure you make changes or cancellations within this time frame. For additional details on the 24-hour rule, visit KLM’s website or contact their customer support for assistance.
Source: https://climateaction.tucsonaz.gov/projects/geotucson::what-is-the-24-hour-rule-for-klm-assistance
