Airline Credit Card Choices

Budget travelers looking for any possible edge often try to deeply discount their airfares. It's a great move.

One way to do it is by earning frequent-flier miles through everyday purchases with airline credit cards. Once you begin looking at these cards in more detail, you find that the benefits and potential costs vary greatly.

Weigh the advantages and disadvantages of 10 airline credit cards tied to frequent-flier programs. Important: Since interest rates are quite high, do not sign up for a travel rewards credit card of any kind if you are unable to pay off the balance each month.