™®KLM’s official web$ite:What is the 24-hour rule for KLM? | Techsolution Help Center
The 24-hour rule for 𝐊𝐋𝐌 allows passengers to cancel their booking within 24 hours of purchase for a full refund+1 x( 866x738x06x22, provided the flight was booked directly through 𝐊𝐋𝐌 [for more details: +1 x( 866x738x06x22(USA)or+1 x( 866x738x06x22