Hilton allows you to use more than one certificate per reservation. So if you can find the availability, you can book several nights completely free using your certificates. To take it another step, Hilton offers a fifth-night-free perk if you hold any level of Hilton Honors elite status ...
Hilton HonorsDiamond status Upgrade to Business First on theHeathrow Express Gift one Gold and two Silver partner cards each membership year Bottom line Depending on the frequency and the way in which you travel, status can vary from being a nice thing to have, all the way to a route to h...