Just about every hotel brand offers some sort of loyalty program for their guests, rewarding frequent stays with discounted or free nights, among other perks (upgrades, free Wi-Fi, late check-out). With so many programs to choose from, how do you pick the right one to save big bucks on travel?

We asked miles-and-points experts to nominate their favorites, then our readers voted to help crown the winners. Here are the 10 best hotel loyalty programs.