Seoul-Jeju is the most flight route in the world. In 2017, it has transported 13 million passengers! Every day, almost 180 daily flights flight between Seoul and Jeju, a city in South Korea.
A year ago, this destination had already been recognized as the busiest in the world but since 2017, its popularity has increased by 10%.
The second place in this ranking is occupied by the Melbourne-Sydney line, the two largest Australian cities. More than 9 million passengers took a flight between the two towns in 2017.
Interestingly, among the top 100 most requested flights in the world, there are only 18 international destinations. Most popular flights are domestic.
