Vacations to Go offers a Royal Caribbean 3-Night Bahamas Cruise for Two, bundled with $15 Onboard Credit, with prices starting from $608. Assuming you'll use the credit, that's the lowest price we could find for such a cruise in December by $87. This roundtrip cruise aboard the Enchantment of the Seas departs on December 18 from Miami, FL. Additional fees may apply. Book this travel deal by October 31.