View and interrogate the World's Busiest Airports, with data powered by OAG's Schedules Analyser.

The Top 10 Busiest Global Airports in the World are calculated using total airline capacity (domestic and international flights). The Top 10 Busiest International Airports are calculated using international airline capacity only.  The data is updated each month and is available to download by clicking the button below.

which is the busiest international airport in the world?

• Dubai International Airport (DXB) retains its position in April 2025 as the World’s Busiest International Airport with 5.0 million seats. London Heathrow Airport (LHR) is in second place with 4.1 million seats and Singapore Changi Airport (SIN) is the third busiest international airport with capacity of 3.5 million seats.
  
  
• Hong Kong (HKG) is the airport in the Top 10 busiest international airports that has seen the most significant capacity increase compared to April 2024, with an increase of 17% which equates to an additional 466,000 seats on last year.
  
  
• The Top 10 world’s busiest international airports this month are the same as April 2024, with only the order changing. Istanbul (IST) and Hong Kong (HKG) are both up one place to 6th and 8th while Paris Charles de Gaulle (CDG) and Frankfurt (FRA) are both down one place to 7th and 9th.
  

Which is Europe's Busiest Airport?

• London Heathrow Airport (LHR) remains Europe’s busiest airport in April 2025, a position it also held in April 2024 and April 2019. The London airport’s seat capacity for this month stands at 4.4 million seats, a 3% increase compared to last year. Istanbul Airport (IST) is the second busiest airport in Europe with 4.2 million seats with capacity increasing by 5%. Paris Charles de Gaulle Airport (CDG) is the third busiest airport with 3.5 million seats, a 3% increase in capacity compared to April 2024.
  
  
• Continuing on from the trend of recent months, Istanbul Sabiha Gokcen Airport (SAW) remains the airport with the biggest increase in capacity, with an increase of 11% on April 2024. Madrid (MAD) is the airport in the Top 10 showing the slowest growth rate this month, up only 1%, compared to an average growth rate of 4% for the airports in the Top 10.
  

SEATS

The rankings are based on scheduled capacity in the current month and compared to the equivalent month last year. The Top 10 Busiest Airports are calculated using total capacity (domestic and international) and The Top 10 Busiest International Airports are calculated using international seats only.