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) remains the world’s busiest international airport in July 2025 with 5.28 million seats, a 3% increase compared to last year, adding nearly 160,000 seats. London Heathrow (LHR) stays in second place with 4.28 million seats and a similar capacity to last year.
• Amsterdam Airport (AMS) ranks third with 3.78 million seats, and capacity is 5% higher than last year.
• Seoul Incheon (ICN) is in fourth place with 3.75 million seats, up 4%, while Istanbul Airport (IST) saw a notable 8% growth, adding 267,904 seats and moving to fifth position.
• Paris Charles de Gaulle (CDG), Singapore Changi (SIN), and Frankfurt (FRA) have all experienced moderate growth of 2%, with each adding between 72,000 and 80,000 seats compared to July 2024.
• Hong Kong International Airport (HKG) experienced the largest capacity growth among the Top 10 compared to last year, increasing by 12% and adding over 366,000 seats, a clear indication of the region’s ongoing travel recovery.
• Doha (DOH) was the only airport to see a reduction in capacity, down 1%, with 21,161 fewer seats than in July 2024.

Which is Europe's Busiest Airport?

• Istanbul Airport (IST) remains the busiest airport in Europe in July 2025 with 4.75 million seats, marking an 8% increase compared to the same month last year and the largest seat gain in the Top 10 with over 358,000 additional seats.
• London Heathrow Airport (LHR) is in second place with 4.53 million seats, maintaining similar capacity to last year. In third position is Paris Charles de Gaulle Airport (CDG) with 4.04 million seats, up 1% year on year.
• Frankfurt International Airport (FRA) and Amsterdam (AMS) follow closely, both showing strong performance. Frankfurt International Airport (FRA) added over 113,000 seats (+3%), while Amsterdam (AMS) saw a 5% rise in capacity, equating to an increase of more than 171,000 seats.
• Istanbul Sabiha Gokcen Airport (SAW) continues to demonstrate the strongest growth trend, increasing capacity by 13% year on year with over 292,000 additional seats, and is in tenth place.
• Madrid (MAD) and Rome Fiumicino (FCO) are the only airports in the Top 10 to see a decline in capacity, both down 1% from July 2024, and are in sixth and eighth place respectively.

SEATS

The rankings are based on scheduled capacity in the current month and compared to the equivalent month in 2024. 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.