You can also use your miles on car rental upgrades or on rental extras like a bike rack or a luggage rack. Specific hotel chains will allow you to use your miles to save money on hotel rooms for just a weekend or for a full week package deal. And finally you can use your miles to purchase items. Some credit cards like American Express allow you to use miles on all sorts of gifts and gift certificates. But you need to make sure it doesn't cost too much to join a credit card mile reward program.
Some credit cards charge fees to be a part of their programs.
Before you sign up for a credit card's miles program, you will want to make sure you know what those miles can be used for.