Norwegian Cruise Line offers a Norwegian Cruise Line 10-Night Southern Caribbean Cruise for Two with prices starting at $698, as seen on Travelzoo. (It's the top offer on the page; discounted rates are shown at checkout.) That's the lowest price we could find for this cruise by $100. This roundtrip cruise departs from Miami, FL, on March 17 with stops in St. Thomas, U.S. Virgin Islands; Roseau, Dominica; Bridgetown, Barbados; Castries, St. Lucia; and Philipsburg, St. Maarten. Some restrictions may apply; fees, government taxes, and fuel supplements are additional. This travel deal ends March 31.

Of note, Norwegian Cruise Line offers other European cruises with prices starting at $459 per person. Scroll down to see them all.