The global aviation sector has made a remarkable recovery in recent years, bouncing back from the disruptions caused by the COVID-19 pandemic. According to the International Air Transport Association (IATA), global air passenger demand in 2024 rose by 10.4% compared to 2023, surpassing pre-pandemic levels by 3.8%.
The Airports Council International (ACI) further reported that passenger traffic in 2023 reached 8.7 billion, a 30.6% increase from 2022, reflecting a strong return to the skies. By 2025, international travel demand has continued to grow, driving record capacity at the world’s busiest airports.
Top 10 International Airports – September 2025 Overview

The latest OAG data shows that Dubai International Airport (DXB) remains the busiest international hub, offering more than 5.1 million seats in September 2025. Its success is largely due to its strategic location connecting Europe, Asia, and the Americas, as well as strong expansion by Emirates and flydubai.
European airports London Heathrow (LHR) and Amsterdam Schiphol (AMS) continue to play critical roles in connecting global passengers, while Istanbul Airport (IST) has made one of the biggest leaps, climbing into fourth place.
Dubai International Airport Maintains Global Leadership
Dubai’s position as the world’s top airport is reinforced by a 4% capacity increase compared to September 2024. DXB remains the preferred hub for long-haul transit, luxury amenities, and seamless connections between continents.
Its rise underlines how Middle Eastern hubs have strategically positioned themselves as global transfer points. Dubai is expected to remain at the forefront of global aviation for years to come.
Istanbul Airport’s Rapid Ascent
Istanbul Airport (IST) has emerged as one of the fastest-growing hubs in 2025, moving from 7th place in 2024 to 4th place this year. It now handles 3.53 million seats, a 5% growth compared to last year.
The surge is supported by Turkish Airlines’ expanded international network, positioning Istanbul as a bridge between Europe, Asia, and the Middle East. The airport’s world-class design and future expansion plans make it a rising star in global aviation.
European Airports Retain Strong Presence
Europe continues to remain a cornerstone of international aviation, with London Heathrow (4.16 million seats) and Amsterdam Schiphol (3.66 million seats) performing strongly.
Other European airports in the top 10 include:
- Paris Charles de Gaulle (CDG) with 3.42 million seats.
- Frankfurt International (FRA) with 3.34 million seats.
These airports provide essential connectivity for transatlantic routes, European travel, and intercontinental links through leading carriers like British Airways, Lufthansa, Air France, and KLM.
Asia-Pacific Airports – Growth and Challenges
Hong Kong International Airport (HKG) recorded the largest capacity growth among the top 10, expanding by 8% and adding over 221,000 seats compared to last year. This growth reflects a strong recovery of Asia-Pacific’s travel sector.
On the other hand, Seoul Incheon (ICN) saw a 2% decline in capacity, indicating operational constraints or route reductions. Meanwhile, Singapore Changi (SIN) remains resilient, handling 3.4 million seats and maintaining its position as one of the world’s most efficient airports.
Middle Eastern Hubs – Global Powerhouses
Beyond Dubai, Doha’s Hamad International Airport (DOH) also secured a spot in the top 10, with 2.7 million seats. These Middle Eastern hubs are critical connectors for passengers traveling between Africa, Asia, Europe, and the Americas.
Their ability to handle growing transit traffic has cemented the region’s importance in shaping the future of international aviation.
Detailed Comparison – Europe’s Four Giants
Feature | Paris Charles de Gaulle (CDG) | Frankfurt Airport (FRA) | London Heathrow (LHR) | Amsterdam Schiphol (AMS) |
---|---|---|---|---|
Location | Near Paris, France | Frankfurt, Germany | London, UK | Near Amsterdam, Netherlands |
Major Hub Airline | Air France | Lufthansa | British Airways | KLM Royal Dutch Airlines |
Runways | 4 | 4 | 2 | 6 |
Terminals | 3 | 2 (+1 under construction) | 4 | 1 large terminal |
Strengths | European-African connections | Leading cargo hub | Transatlantic hub | Efficient design & connectivity |
This comparison highlights Europe’s competitive landscape, with each airport offering unique strengths in connectivity, cargo, and passenger services.
Full Top 10 Busiest International Airports – September 2025
- Dubai International (DXB) – 5,103,110 seats
- London Heathrow (LHR) – 4,157,631 seats
- Amsterdam Schiphol (AMS) – 3,660,399 seats
- Istanbul Airport (IST) – 3,534,358 seats
- Seoul Incheon (ICN) – 3,457,303 seats
- Paris Charles de Gaulle (CDG) – 3,419,739 seats
- Singapore Changi (SIN) – 3,401,120 seats
- Frankfurt International (FRA) – 3,341,152 seats
- Hong Kong International (HKG) – 3,107,473 seats
- Doha Hamad International (DOH) – 2,726,623 seats
Bottom Line
The September 2025 data highlights global aviation’s continued growth, with Middle Eastern hubs expanding aggressively, European airports maintaining stability, and Asia-Pacific showing signs of recovery.
Dubai International Airport remains the world leader, while Istanbul’s rapid climb signals new competition among global hubs. Europe’s airports continue to play a vital role, and Asia-Pacific airports are rebounding despite mixed performances.
The top 10 busiest airports of September 2025 reveal the shifting dynamics of global air travel, with regions competing for dominance in a rapidly growing market.
FAQs
Q1: Which is the busiest airport in the world in September 2025?
Dubai International Airport (DXB) tops the list with over 5.1 million seats, maintaining its global leadership.
Q2: Which airport saw the largest growth in 2025?
Hong Kong International (HKG) recorded the largest growth, with an 8% increase in capacity.
Q3: Which airport dropped in rankings this year?
Seoul Incheon (ICN) slipped from 4th place in 2024 to 5th in 2025 due to a 2% decline in capacity.
Q4: How many European airports are in the top 10?
Four European airports are included: London Heathrow, Amsterdam Schiphol, Paris Charles de Gaulle, and Frankfurt.
Q5: Why are Middle Eastern airports so dominant?
Their strategic locations and strong carriers like Emirates and Qatar Airways make them critical transit hubs connecting multiple continents.