Visit the "Special Offers" page on the official Carnival website. You will gain access to all the cruise line services Carnival has available.
Click on the small red arrow where it says "View All Cruise Promotions." This arrow is displayed on the mid-left region of the page. Click on your preferred cruise option displayed the pop-up box. You will then be redirected to a page that allows you to view and compare all the pricing depending on the options you want (e.g., amount of days, dates, types of room, departure, ship and ports of call).
Each option on the "View All Cruise Promotions" pop-up box will redirect you to a page that allows you to compare pricing, accommodations and amenities. Be advised that some Carnival cruises are seasonal and information may not be available if the cruise itinerary is not open.
Locate the three boxes that say "Caribbean Cruises click here for prices," "Europe Cruises click here for prices," and "Alaska Cruises click here for prices." These boxes are also displayed on the left side of the page, in the aforementioned "Special Offers" site. These boxes are to appropriate if you already know the specific cruise you desire to take to the Caribbean, Europe or Alaska.
Click the "Click Here" link displayed in the box that corresponds to the Carnival cruise trip you want to compare prices for. The "Click Here" link redirects you to a page that displays all the available options regarding prices, dates, types of rooms, ports of call, and types of ship. Scroll through the page and compare prices until you find one that fits your budget, needs and time frame.