You can pick the class that best fits your needs and price whenever you book a flight. Most airlines have different courses so travelers can choose where to sit, how to be served, and what amenities to use. Choose Economy Class if you are on a budget. The basic amenities for a comfortable and relaxed journey include ordinary seats and basic meals or snacks. The premium economy class often has more spacious seats and legroom than the standard economy. On occasion, the quality of service and food is also superior. In Business Class, you will have more room and comfort. People enjoy better food, wider seats that can be turned into beds, and faster service at the airport. The most luxurious choice is First Class, which has private seats or suites, fine dining, the best service, and the most comfort.