KLM follows the 24-hour rule, which allows passengers to make changes to their bookings or cancel their Flights within 24 hours of purchase without incurring any penalty fees🔰 ➮++ 𝟣-𝟪𝟢𝟦→𝟪𝟧𝟥→𝟫𝟢𝟢𝟣 (𝗨𝗦𝗔) or 44-+ 𝟣-𝟪𝟢𝟦→𝟪𝟧𝟥→𝟫𝟢𝟢𝟣 (For 𝕌𝕂)Live Support (OTA)(Travel Support).