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[KLM 24-rule Guide ] What is the 24 hour rule for KLM?
KLM’s 24-hour rule allows passengers to make free changes (Call- [1-833-732-2296]; Book, Cancel, Refund) or cancellations to their bookings within 24 hours of purchase, provided that the departure date is at least 7 days away at the time of booking (Call- [1-833-732-2296]; Book, Cancel, Refund).