10 Busiest Air Routes in Europe – Where Everyone’s Flying

Ever wondered which air routes are the most crowded in Europe? Discover where millions of passengers are heading each year.

Europe is home to some of the busiest air corridors in the world. With dozens of major hubs just a few hours apart, short-haul flights dominate the skies. According to Eurocontrol and aviation data providers, here are the top 10 busiest routes based on passenger volume:

1. London – Dublin

2. Madrid – Barcelona

3. Paris – Toulouse

4. Oslo – Bergen

5. Amsterdam – London Heathrow

6. Rome – Milan

7. Lisbon – Porto

8. Copenhagen – Stockholm

9. Frankfurt – Berlin

10. Vienna – Zurich

These routes are popular due to strong business connections, weekend tourism, and limited fast rail alternatives. As low-cost carriers and national airlines compete on these paths, passengers can usually find competitive prices—especially if booked in advance.