Europe's Aviation Market

Monthly Airline Data Updates for the European Market

Discover the Busiest Airports and Airlines in Europe This Month | june 2025

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

  • Which is the busiest airport?
  • What is the biggest airline in Europe?
  • Which European country has the most airline capacity?
  • Which regions are most visited?
  • And more.
Data is sourced from OAG's Schedules Analyser; a cutting-edge platform for airline schedule analysis. 

 

Airline Capacity in Europe | june 2025

 

How much airline capacity is there in Europe This Month?

  • Overall capacity in  European market grew by 3.4% vs June 24 to 131.3m.
  • International capacity, which grew by 4.4%, whilst domestic capacity reduced by 0.4% vs June 24.
  • Low Cost Carriers' capacity grew by 4.2% vs last year whilst Mainline carriers' capacity grew by 2.7%, continuing to represent 55% of the market.

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European Countries' Airline Capacity | june 2025

 

Which European Country Has The Most Airline Capacity (Domestic + International)?

  • The Spain and the UK are the largest capacity markets, with 16.9m and 16.7m seats respectively.  Capacity in Spain has increased by 2.8% vs June 24, whilst capacity in the UK increased by 1.8%.
  • Percentage wise capacity grew most in Portugal again this month, growing by 5.1% (195,600 more seats) vs the previous year to 4.01m seats.  However, Türkiye added the greatest volume of seats, an additional 549,900 seats.

Which European Country Has THE Most DOMESTIC Airline Capacity?

 

  • Türkiye and Spain are the largest domestic markets, with 5.2m and 5.1m seats respectively, despite a 1.3% reduction in domestic capacity in Spain vs last year.
  • Percentage wise capacity reduced most within the Top 10 countries in the UK and Italy, declining by 5.2% and 4.8% respectively.  This represents 115,600 fewer seats and 202,500 fewer seats respectively vs June 24.

Top Ten Busiest Airports by Departing Seats in Europe | june 2025

 

Which is the Busiest Airport in Europe?

  • Istanbul overtook Heathrow as the busiest airport in Europe , growing by 6.3% to 4.50m seats.  A close second Heathrow grew by 0.9% to 4.37m seats.
  • Strongest growth again this month in the Top 10 airports comes from Istanbul Sabhia Gokcen Airport (SAW) where carriers have increased capacity by 14% year on year. 
  • Within the Top 10, capacity reduced only at Madrid Barajas Airport by 1.3% vs June 24.

  • Busiest Airports in the World - data on the busiest global airports | View Now

Airline Capacity By European Region | june 2025

Which Region of Europe Has Most AIRLINE Capacity?

  • 90% of capacity is from or within Western Europe, growing by 2.6% vs last year to 117.7m seats.
  • Capacity in Eastern/Central Europe continues to grow at a faster rate of 10.7%, to 13.6m seats.

Where do flights from Europe go?

  • The international seat capacity grew by 4.4% to 105.6m seats.
  • Within Europe, it increased by 4.1% to 85.5m seats, adding 3.3m seats and continues to make up 81% share of the market.
  • Travel to/from the Middle East grew at the fastest rate again this month by 9% vs last year to 4.9m seats, followed by the Asia Pacific market which grew by 8.1% to 3.3m seats.
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Top Ten Airlines in Europe (Departing seats, one-way) | june 2025

 

Which is the biggest airline in Europe?

  • Ryanair is the largest carrier within Europe, with 20.1m seats, an increase of 3.1% vs last year.  The carrier is operating 10.6m more seats than easyJet, the second largest carrier.
  • The Wizz Air group recorded the strongest growth amongst the Top 10 European airlines this month, with a year on year increase of 14.7%.  Followed by Turkish based LCC, Pegasus, with an increase in capacity of 14.3%.

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