How Much Does It Cost To Upgrade To Business Class On British Airways?

Upgrading to long-haul business class (Club World) on British Airways in 2026 costs between $1,000 and $3,000 when paying cash. Pricing varies and depends on your original fare class, route demand, and how close you are to departure. British Airways is frequently rated as the best value for travelers who initially book a cash premium economy seat and use Avios to upgrade, avoiding the extremely high cash price of a direct business class booking.