KAL Limousine (Korean Airline Limousine: Bus #6707B): It's called the limousine but it is actually a Greyhound-like express bus; I found it to be the easiest and fastest transportation to and from the airport and Incheon Songdo; you don't have to fly on Korean Air to ride the KAL limousine; anyone can ride the limousine. The transportation [...]