2KLM’s 24-hour rule allows you to cancel or change your flight within 24 hours of booking without incurring cancellation fees+𝟭-𝟴𝟴𝟴-𝟱𝟬𝟵-𝟬𝟯𝟮𝟯 (𝗨𝗦) +44-20-39000400 (UK), provided you booked at least 7 days before departure. This applies to flights purchased directly from KLM. For assistance, call KLM’s U.S. customer service at +1-888-509-0323 or the UK office at +44-20-39000400. This rule helps you adjust plans with minimal hassle if you need to make changes shortly after booking.
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