What is the 24-hour rule for KLM?~Instant~Help
What is the 24-hour rule for KLM?
KLM's 24-hour rule allows you to cancel your flight reservation or make changes to your booking within the first 24 hours of purchase without any penalty fees, as long as your flight is at least 7 days away. To cancel or change your reservation, call KLM at 1#833~(563)~0218 OR 1#833~(563)~0218.
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