Power Play: Full steam ahead for cruise lines

'Viking Star' Cruise ship anchors in Turkey's Kusadasi.
Ibrahim Uzun | Anadolu Agency | Getty Images

Oil is down 46 percent over the past year and this is good news for the cruise lines.

Bernie Williams, chief investment officer at USAA Investment Solutions tells CNBC's "Power Lunch" on Friday he's expecting a good booking season. "The market is increasing and they are starting to send ships to China. Energy is a plus for cruise lines. They are not overbuilding ships," Williams said.

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His favorites are Carnival, Royal Caribbean and Norwegian Cruise Line. "People view it as a good value for their vacation and as people become more confident on their earnings power, they become more willing to part with their dollars," Williams said.

Royal Caribbean and Norwegian are up more than 50 percent the past year, while Carnival is up 25 percent.