You'll also get access to transfer partners, although only a few are domestic carriers. This card earns rich ongoing rewards and could be a good deal for those who frequently travel internationally.

Here's how three top rewards cards can cover the cost of your flights this summer, with welcome offers worth up to $750 in ...

The card's rewards structure isn't the easiest to remember. But its useful bonus categories, flexible rewards and outstanding welcome offer make it a top contender among cash-back cards.