Members must book Saver awards online between August 15 and 17 to secure the 40% mileage discount for travel in September. Bookings made from August 18 through 31 will receive the regular 30% off Saver awards for the same travel period. Eligible Saver awards in Economy, Premium Economy and Business must be issued immediately on SingaporeAir.com or the mobile app and cannot be changed or refunded. The published list spans regional routes like Singapore–Bali and Singapore–Bangkok as well as long-haul premium-economy seats to North America, though some awards have blackout dates or flight-number restrictions. Travelers can top up KrisFlyer balances via American Express, Capital One, Chase Ultimate Rewards and Citi ThankYou transfers to take advantage of the promotion.