For £139, Travelzoo members can snap up a luxury stay at the "majestic" (The AA) The Royal Horseguards Hotel, which sits on the banks of the River Thames, and save up to 58% on the usual price. On top of the great price, this deal is incredibly flexible -- you can cancel up to two days before your scheduled arrival date and rebook or get a refund.  

This deal is valid seven days a week until 31 January, 2021.