British Airways economy and premium economy are two travel classes designed to offer passengers different levels of comfort, service, and amenities based on their preferences and budget. British Airways economy class, also known as World Traveller on long-haul flights, provides passengers with a cost-effective option while still offering a comfortable experience, including ergonomically designed seats, personal entertainment screens, complimentary meals, and a generous baggage allowance. This class is ideal for budget-conscious travelers who seek a balance between affordability and quality service.