{+1-888-559-4669} What is the 24-hour rule for KLM? forums.d3go.com
ＫＬＭ's 24-hour rule lets passengers cancel their booking within 24 hours of purchase without a penalty. For more information, contact +1 (88) 85594669 (UK), +1 888-559-4669 (USA). This policy provides flexibility, particularly for flights departing from the US.
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