Now we need Uber to start offering flights in Korea. It's impossible to book a flight in Korea unless you go through Air Busan. Why? Because they all require yo

Now we need Uber to start offering flights in Korea. It's impossible to book a flight in Korea unless you go through Air Busan. Why? Because they all require you to use Internet Explorer and a Korean Credit Card. On the flip side, you can cancel Air Busan flights for only $1. In Japan you can cancel flights at no cost.