Air travel has made it possible to cross continents in a matter of hours. Every year, billions of people travel by plane, and the world’s busiest airports handle passenger volumes comparable to those of entire countries. Some serve as major domestic hubs, while others connect destinations across the globe.
This ranking is based on total annual passenger traffic in 2025, including arriving and departing passengers. According to Airports Council International (ACI), these were the ten busiest airports in the world.
1 Hartsfield-Jackson Atlanta International Airport, USA
Atlanta’s Hartsfield-Jackson has retained its position as the world’s busiest airport for many years. It is a major hub for Delta Air Lines and handles a particularly large volume of domestic flights.
In 2025, the airport served 106.3 million passengers, making it the global leader in total passenger traffic.
2 Dubai International Airport, United Arab Emirates
Dubai International Airport is one of the world’s most important international aviation hubs. Its location between Europe, Asia and Africa makes it a major connection point for long-distance journeys.
The airport handled 95.2 million passengers in 2025, retaining second place in the global ranking.
3 Tokyo Haneda Airport, Japan
Haneda is one of Tokyo’s two major international airports and plays a central role in Japan’s domestic air network. Although it was traditionally focused on domestic services, its international connections have expanded significantly.
In 2025, Haneda handled 91.7 million passengers, moving up to third place worldwide.
4 Dallas Fort Worth International Airport, USA
Located between Dallas and Fort Worth, this is the largest airport in Texas and a major hub for American Airlines. Its extensive network connects destinations across the United States with international routes.
Dallas Fort Worth served 85.7 million passengers in 2025, ranking fourth in the world.
5 Shanghai Pudong International Airport, China
Shanghai Pudong is one of China’s principal international gateways. It plays an important role in connecting the country with destinations across Asia, Europe and the rest of the world.
The airport handled approximately 85 million passengers in 2025, climbing to fifth place in the global ranking.
6 O’Hare International Airport, Chicago, USA
Chicago O’Hare is one of the most important aviation hubs in North America. It is notable not only for its passenger traffic but also for its exceptionally high number of aircraft movements.
In 2025, O’Hare served approximately 84.9 million passengers and ranked sixth worldwide. It also led the world in aircraft movements.
7 London Heathrow Airport, United Kingdom
Heathrow is the busiest airport in Europe by total passenger traffic and one of the world’s leading international hubs. It connects London with destinations across every inhabited continent.
The airport handled approximately 84.5 million passengers in 2025, placing seventh in the global ranking.
8 Istanbul Airport, Turkey
Istanbul Airport has rapidly become one of the world’s major aviation hubs. Its location between Europe and Asia makes it an important transfer point for passengers travelling between continents.
It handled approximately 84.4 million passengers in 2025, taking eighth place. Its passenger traffic has grown substantially compared with 2019.
9 Guangzhou Baiyun International Airport, China
Guangzhou Baiyun is a major transport hub in southern China, serving one of the country’s most economically active regions. Its passenger numbers have increased as domestic and international air connections have expanded.
The airport welcomed approximately 83.6 million passengers in 2025, securing ninth place worldwide.
10 Denver International Airport, USA
Denver International Airport is famous for its enormous grounds. Covering approximately 135 square kilometres, it is the largest airport in the United States by land area. Its location also makes it an important connecting hub for flights across North America.
In 2025, Denver served approximately 82.4 million passengers, completing the world’s top ten busiest airports.
