Yes, KLM offers a 24-hour grace period for cancellations and modifications on flights purchased directly through them ☎️ (1_801-855-5905) or ☎️ (1_801-855-59-05), as long as the booking was made at least 7 days before departure. This allows you to cancel or change your flight within 24 hours of purchase without incurring any fees, ☎️ (1_801-855-5905) or ☎️ (1_801-855-59-05) provided the flight is not within 7 days of the purchase date, according to KLM.