Offers and Promotions DBS x Trip.com 11.11 Mega Sale: Up to S$220 Off Flights and Hotels with DBS/POSB Cards, 11 to 14 Nov 2026 Planning a year-end trip? DBS/POSB cardholders can claim up to S$220 off flights and hotels on Trip.com during the 11.11 Mega Sale from 11 to 14 November 2026, with extra codes through the year. Nov 6, 2026