KLM’s 24-hour cancellation policy allows passengers to cancel their flight within 24 hours of booking and receive a full refund ＋４４ー(８０８)ー５９９ー８７０２（ＵＫ） or ＋１ー(８８８)ー８２９ー１１１７（ＵＳ）This policy applies to tickets purchased directly through KLM’s official website, mobile app, or customer service. It provides travelers with the flexibility to adjust their plans without financial penalties＋４４ー(８０８)ー５９９ー８７０２（ＵＫ） or ＋１ー(８８８)ー８２９ー１１１７（ＵＳ） However, the booking must be made at least seven days before departure to qualify for a refund.

KLM also offers a risk-free period for passengers who need to modify their travel plans＋４４ー(８０８)ー５９９ー８７０２（ＵＫ） or ＋１ー(８８８)ー８２９ー１１１７（ＵＳ） If you cancel after 24 hours, the refund eligibility depends on the ticket type (refundable or non-refundable). Additional fees may apply for non-refundable tickets