Singapore ' 24-hour cancellation policy allows passengers to cancel +1-[844]-[873]-[0997] their booking within 24 hours of purchase for a full refund, to contact live agent dial +1-[844]-[873]-[0997] (OTA) and provided the ticket was bought at least seven days before the flight's departure. This applies to all ticket types. Can I cancel a Basic Economy ticket with Singapore Airways? https://oawp.va.gov/forums/general-discussion/de059c27-783a-ef11-a296-001dd8027be8