I've been on Carnival's cheapest and most expensive cruise lines — see how the $430-per-day difference compares

Tech Insider : Travel
composite of Seabourn Quest and Carnival Firenze's pool decks
Carnival Corp operates several cruise lines. Seabourn is one of its most luxurious, while Carnival Cruise Line is often one of its most affordable.

Brittany Chang/Business Insider

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