If you ask pilots what the hardest airport in the world to land at is, chances are you'll get a different answer. In this guide, we will explore some of the world's most challenging airports in no particular order and see why they're difficult. Large International Airports In Congested AirspacesCredit: ShutterstockThis isn't a single airport, but large international hubs, such as Dubai International Airport, receive huge amounts of traffic arriving and departing at almost all times of the day. Paro International Airport, BhutanCredit: ShutterstockParo International Airport is the sole international airport in Bhutan. However, the airport's location also makes this one of the most challenging airports to land at in the entire world.