Mile High Holidays:
The winter months are one of the best times to find a downtown Denver hotel discount. Mile High Holidays begins around Thanksgiving and continues through early February for many participating hotels, making it one of the best things to do in Denver in winter.
They set aside a certain number of rooms each day for those of us wanting to enjoy the holidays away from home at low rates. This gives you a chance to enjoy downtown Denver attractions such as LoDo, Larimer Square, and Capital Hill. You might also want to attend a convention or a show at the Denver Center for the Performing Arts in the Theater District. Typically these are classic Colorado hotels that offer a unique experience you won't find at the major discount chains.
Mile High Holidays Update for Winter 2013-2014:
Unfortunately many of the $52.80 rates sold out quickly but rooms seem to be available for a little more. Be careful when browsing the list of hotels because there are a lot of hotels on the list that aren't really 52.80 worthy, such as chain hotels outside of downtown that don't really offer much of an experience for $52.80. If you want one of the rooms available downtown at $52.80, you should book very early. My primary recommendation would be the Courtyard by Marriott Downtown Denver on the 16th Street Mall, since Marriott has continually been one of the best downtown Denver 52.80 deals year after year unlike many other hotels which dropped off the list in recent years. The Curtis is a fun and funky 52.80 deal especially if you're in Denver to see a show in the theater district.
For some hotels you can book online, for others you have to call them directly. The following web site takes you to the full list of participating hotels and their reservation information:
Denver Restaurant Week:
In addition to Mile High Holidays, many hotels reduce their rates for Denver Restaurant Week in February.