It seems a little irrational, but there are times when combining your airfare with a stay in a luxury hotel or with rental of a luxury car can actually cost you less than the airfare itself. You can also find great travel deals that provide you with additional nights in 4-star hotels and resorts for no extra cost. Sure in a world where retailers seem to add charges whenever they possibly can, this all seems a little bit like a plot to an episode of “The Twilight Zone,” but fear not, these deals are for real.

You can often find these luxury offers from the airlines or the resorts themselves. They’re especially popular during off-peak travel to destinations like Las Vegas, New York, Telluride, and Orlando. Before you grab the sleep mask and prepare for a week of pampering, though, make sure the luxury travel deal your looking into is actually a deal…