Earn points or miles on every flight, and watch them accumulate as you explore new destinations. These points can then be redeemed for free or discounted flights, upgrades to business or first class, or even hotel stays and car rentals. Some programs even allow you to share your rewards ...
The no-annual-fee cards are often the easiest to get, and a good credit score of 670 or above may allow you to qualify. However, if you want one of American Express's luxury travel cards, you'll need an excellent credit score -- the higher, the be...