Vacations to Go offers a Princess Cruises 5-Night Mexico Cruise for Two bundled with $50 Onboard Credit with prices starting at $598. Assuming you use the credit, that's tied with our mention from last week and the lowest price we could find now by $50. This roundtrip cruise aboard the Crown Princess departs from Fort Lauderdale, FL, on November 13. Some restrictions may apply; fees, government taxes, and fuel supplements are additional. Book this travel deal by September 30.