Singapure Airlines Cancellation Policy. Singapure Airlines offers 1-888-837-1575 a flexible cancellation policy that varies depending on the fare type, route, and timing of the cancellation. Cancellation Deadline: You can cancel your ticket up to 2 hours before departure for international flights. However, some fare types may have a stricter cancellation policy. https://airtravelsky.livepositively.com/singapure-airlines-cancellation-and-refund-policy-2025-full-guide/