Luton Airport in the context of "Košice International Airport"

Heathrow Airport (IATA: LHR, ICAO: EGLL), also known as London Heathrow Airport and named London Airport until 1966, is the primary and largest international airport serving England and the United Kingdom. It is the largest of the six international airports in the London airport system (the others being Gatwick, Stansted, Luton, City and Southend).

The airport is owned and operated by Heathrow Airport Holdings. In 2024, Heathrow was the busiest airport in Europe, the fifth-busiest airport in the world by passenger traffic and the second-busiest airport in the world by international passenger traffic. Heathrow was the airport with the most international connections in the world in 2024.

EasyJet plc (styled as easyJet) is a British low-cost airline and package holiday multinational group headquartered at London Luton Airport. It operates domestic and international scheduled services on 927 routes in more than 34 countries via its affiliate airlines EasyJet UK, EasyJet Switzerland and EasyJet Europe. It also operates as a package holiday provider to more than 100 destinations across Europe and North Africa through its subsidiary EasyJet Holidays Limited. The company employs around 13,000 people, based throughout Europe but mainly in the UK. EasyJet plc is listed on the London Stock Exchange and is a constituent of the FTSE 100 Index.

Since its establishment in 1995, EasyJet has expanded through a combination of acquisitions, and base openings, driven by consumer demand for low-cost air travel. The group, along with associate companies EasyJet UK, EasyJet Europe and EasyJet Switzerland, operates 321 aircraft. It has 29 bases across Europe, with the largest being London Gatwick Airport. In 2022, the airline carried more than 69.7 million passengers, making it the second largest budget airline in Europe by number of passengers carried, only behind Ryanair.

This is a list of the busiest airports in the United Kingdom, Channel Islands, and Isle of Man ranked by total passenger traffic, compiled from Civil Aviation Authority data from 2006 to 2024. For some years the figures also show total aircraft movements and cargo volume handled at each airport. For a complete list of UK airports, see List of airports in the United Kingdom and the British Crown Dependencies.

The United Kingdom, an island country, is home to many of Europe's largest and busiest airports. London Heathrow, which handles over 83 million passengers annually, is the largest airport in the UK. London serves as the largest aviation hub in the world by passenger traffic, with six international airports, handling over 177 million passengers in 2024, more than any other city (List of busiest city airport systems by passenger traffic). London's second-busiest airport, London Gatwick, was until 2016 the world's busiest single-runway airport. Manchester Airport is the United Kingdom's third-busiest airport. London Stansted and London Luton are the fourth and fifth busiest airports, respectively.