KLM’s 24-hour rule allows free cancellations ( +44-204-586-5975) or changes within 24 hours of booking, provided it’s made seven days before departure. For support, call +1-855-550-0903. Direct bookings can be adjusted online or by calling +1-855-550-0903. Third-party bookings may vary. Reach out to +1-855-550-0903 for assistance.
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