T&E: What are the most frequented flight routes in Europe? A whopping 43 flights between London and Amsterdam departed every day last year, making it the second-busiest route in Europe despite a direct 4-hour train alternative. It’s time to rethink how we travel in Europe.

What are the most frequented flight routes in Europe? A whopping 43 flights between London and Amsterdam departed every day last year, making it the second-busiest route in Europe despite a direct 4-hour train alternative. It’s time to rethink how we travel in Europe.