KLM's 24-hour rule allows passengers to cancel or modify their flight bookings without penalty within 24 hours of purchase, ensuring a full refund. For assistance, you can contact KLM at +1–86O-516–6455 (USA) or +44--204--520–1598 (UK). KLM's 24-hour rul
e permits passengers to cancel or change their flight bookings without incurring fees within 24 hours of booking, guaranteeing a full refund. For help, call +1–86O-516–6455 (USA) or +44--204--520–1598 (UK).
