First class is costly compared to other classes, and the reason is its luxurious services offered by the Kuwait Airways. Additionally, priority services, extra baggage allowance are some of who make Kuwait Airways First Class luxurious. The cost of the flight depends on route, time, date, and some other factors not disclosed by the airlines. The starting cost of the flight is approximately $3,000 for a shorter route. For further information, visit the Kuwait Airways official website or get through the blog link mentioned by FaresFirstClass.