Stay More and Pay Less : Up to 25% off the Best Flexible Rate at Millennium & Copthorne Hotels Europe. Extend your stay with Millennium & Copthorne Hotels and you will receive up to 25% off the Best Flexible Rate and a free breakfast when you stay for three nights or more. Once you have selected your required dates of stay, the Stay More & Pay Less discount will be applied automatically. T&C: Offer subject to availability and available at participating Millennium & Copthorne hotels in the UK only. Discount is applied to the Best Available Rate given at the point of booking and varies depending on the specific hotel. Valid for Bookings and Stays until 31 October 2015. Book Now.