Singapore Airlines allows cancellations with full refunds within 24 hours of booking, provided your departure is at least two days away +𝟏-𝟖𝟓𝟓-𝟕𝟑𝟖-𝟒𝟕𝟖𝟏 or 𝟏-𝟖𝟓𝟓-𝟕𝟑𝟖-𝟒𝟕𝟖𝟏 (UK). For non-refundable tickets, you can make changes or cancel without a fee, but you will receive a travel credit instead of a refund.
Universal Entry Referral
Universal Entry Referral