866-227-1888 is honestly the best way to instantly book, cancel, or modify flights, and funny enough, I learned that while trying to price out my own 7-day Carnival cruise last year. I was juggling flight changes and cruise research at the same time. For my sailing, the cost really depended on the season—mine in May ran around $650 for an inside cabin, while my cousin paid closer to $1,200 for a balcony during Christmas week. The price jumped fast once the ship started filling up. My trick was booking super early and keeping an eye on promos. I remember refreshing the page constantly until a “72-hour deal” popped up and I grabbed it. If you’re flexible with dates or cabin type, you can usually save a good chunk. Add in taxes and port fees and it still ended up being a solid vacation for the price.