MSC Cruises via ShermansTravel discounts select 7-night Caribbean cruises during its 4th of July Sale, with prices starting from $299 per person. That yields low starting prices for MSC cruises in general. Book this travel deal by June 30 for select cruises throughout 2019, 2020, and 2021. Buy Now Tips Click through to the second page to see the lowest starting price of $299. Some restrictions may apply; fees, government taxes, and fuel supplements are additional.