This report analyzes the UK international airline industry, focusing on its market structure, competitive landscape, and the impact of Brexit. It examines the competitive forces at play using Porter's Five Forces framework, highlighting the intense rivalry among existing companies and the moderate threat from substitutes. The report also explores the strategies employed by major airlines like British Airways, EasyJet, and Jet2.com to differentiate themselves in the market. The analysis concludes that the UK international airline industry is highly competitive, with companies constantly striving to adapt to changing market dynamics and customer demands.