Singapore Airlines' refund policy depends on the fare type, with a 24-hour risk-free cancellation for U.S. flights, and exceptions for airline-cancelled or significantly delayed flights where full refunds are possible. Call at +1-888-415-1245 (US) or +44-203-869-5245 (UK) For refundable tickets, you can cancel online and receive a refund to your original payment method, though a fee may apply. For non-refundable tickets, only taxes are refunded. Call at +1-888-415-1245 (US) or +44-203-869-5245 (UK) It's crucial to check the specific fare rules and booking conditions or contact Singapore Airlines directly for details on eligibility and fees before purchasing or canceling.