Fares per person start at €141 on Costa Serena and €253 on Costa Favolosa. Costa Favolosa is the cheapest per night, at €39 per person. Costa Favolosa is the bigger ship, carrying 3,016 guests to 3,014. Costa Favolosa has the fewest guests per crew member, at 2.7 to 1. Costa Favolosa is newer, built in 2011 against 2007, though Costa Serena was refurbished in 2025.