Offers and Promotions Singapore Airlines Card Offers: S$50 Off with DBS/POSB, S$60 Off with HSBC and Up to S$120 Off with Citi Prestige, Until 30 Nov 2026 Singapore Airlines has bank-card fare discounts for return flights from Singapore, with different booking windows for DBS/POSB, Citi Prestige and HSBC cards. Codes, travel dates and conditions inside. Nov 7, 2026