Hilton’s 100 HOUR Flash Sale is now live! Save up to 50% Off Hotels in Japan, South Korea, and Guam when booking between until May 24th for stays until September 30, 2019! Discount is 40% off Flexible Rate (BAR) or Bed and Breakfast Rate (B&B) across all participating properties. Hilton Honors members will receive an additional 10% discount. Hilton Honors Membership is required to book the Hilton Honors Members rate.
Here is some sample pricing from the Conrad Seoul