World's best cruise lines: U.S. News & World Report's 2019 award winners

Which is a better cruise line for the money, Costa Cruises or Celebrity Cruises? U.S. News & World Report's 2019 rankings for the world's best cruise lines are out this week, and while Costa just squeezes into the Top 8 list for Best Cruise Lines for the Money, it's Celebrity that pulls down the top honors at No. 1.

For its sixth annual Best Cruise Lines rankings, U.S. News & World Report used a methodology that factored in expert evaluations of cruise ship quality, reputation among travelers, results from health assessments conducted by the U.S. Centers for Disease Control and Prevention and other factors, such as price class and itinerary offerings.

U.S. News & World Report evaluated 169 ships at 17 top cruise lines in all, breaking down winners in six categories.  

See which of your favorite cruise lines made the cut for best value in the slideshow above. The gallery also includes the U.S. News & World Report award winners for best luxury cruise line.