Europe's Aviation Market

How much airline capacity is there in Europe? Find out with new data each month.

Here's a quick overview of the top statistics from the European aviation market:

• Busiest airport: London Heathrow
• Top airline: Ryanair
• Country with most international airline capacity: UK and Spain
  

How much airline capacity is there in Europe This Month?

• Overall capacity in Europe grew by 5.8% vs March 2025 to 135.1m.
• International capacity grew by 7%, whilst domestic capacity increased by 1.3% year-on-year.
• Low-cost carriers increased capacity by 6.5% year-on-year, while mainline carriers grew by 5.3% and now represent 62% of the market.

*As of July 2025, international capacity is reported on a two-way basis (previously one-way departing).

Which is the Busiest Airport in Europe?

• London Heathrow is the busiest airport in Europe this month, with 4.3m seats, increasing by 1.5% vs last year.
  
• A close second, Istanbul grew by 7.6% year-on-year to 4.2m seats.
• Istanbul Sabiha Gokcen shows the fastest growth, with airlines increasing capacity by 15.3% year-on-year.
  
  
• READY TO VIEW: The World's Busiest Airports of 2025
  

Which is the biggest airline in Europe?

• Ryanair is Europe’s largest airline by capacity, with 16.5 million seats - up 5.5% on last year and 8.2 million more seats than easyJet, the second-largest carrier. easyJet is the second busiest carrier with 8.4m seats, increasing capacity by 5.6% vs last year.
• Wizz Air recorded the strongest capacity growth, increasing seats by 21.2% to 6.2 million. SAS Scandinavian and Turkish low-cost carrier Pegasus followed, with year-on-year capacity increases of 12.8% and 12.5% respectively.