What is the 24 hour rule for KLM?~Instant~Support
What is the 24-hour rule for KLM?
KLM's 24-hour rule permits travellers to make changes to their bookings or cancel their flights by phone at "1#833~563~(0205) OR 1#833~563~(0205) (US)" inside 24 hours of buy without causing any punishments (Charges) or expenses.
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