Yes, KLM offers a 24-hour risk-free cancellation policy. You can cancel any flight within 24 hours of booking without [+1:254::273::6352], +1>>844>>294>>7016 (US), or +44-808-196-8681 (UK) penalty, as long as the flight is scheduled at least seven days later. You don’t need a specific reason to cancel, and you may be eligible for a full refund or travel credit.