Discover cards are currently not available on CNBC Select and links have been redirected to our credit card marketplace where you can review offers from other issuers like American Express or Chase.

Discover cards are currently not available on CNBC Select and links have been redirected to our credit card marketplace where you can review offers from other issuers like American Express or Chase.

However, our opinions are our own. See how we rate credit cards to write unbiased product reviews. A foreign transaction fee is a sneaky cost you might incur on international purchases ...