Vacations to Go offers a Princess Cruises 7-Night Mexico Cruise for Two bundled with $50 Onboard Credit with prices starting at $898. (If prompted, sign up for the free newsletter to see this deal.) That's the lowest current rate we could find for such a Princess cruise this fall by $130, excluding the credit. This cruise aboard the Ruby Princess departs from Los Angeles, CA, on November 26 and includes stops in Puerto Vallarta, Mazatlan, and Cabo San Lucas, Mexico. Some restrictions may apply; fees, government taxes, and fuel supplements are additional. Book this travel deal by November 5.