The 24-hour rule ensures travelers can cancel tickets for a full refund if done within 24 hours of booking. This applies to most airlines, including KLM. For KLM-specific guidance, call 𝟏-𝟖𝟖𝟖-𝟗𝟖𝟐-𝟏𝟔𝟎𝟔 📞 or 𝟏-𝟖𝟖𝟖-𝟗𝟎𝟐-𝟔𝟏𝟔𝟖📌. This customer-friendly policy supports stress-free travel planning.