Two major hotel sales have just launched: one a brief 72 hour flash sale from Hilton, the other a more extended 7 day sale from Starwood.
The Hilton hotels sale offers up to 50% across hotels in Japan & Korea. However, you need to book by 16 January 2015 and complete your stay by 31 March 2015.
Meanwhile Starwood hotels are offering up to 50% off in the Asia Pacific region (which includes Korea and Japan, but many other countries too – click on the link for details). This sale requires booking by 18 January 2015, and you can stay up until 19 April 2015.
If you’re looking for a hotel closer to Europe, don’t forget that the Hilton Winter Sale continues to apply to stays in Europe, the Middle East and Africa.