Originally Posted by
estnet
There are limousine (big buses) that go between the airports on a schedule. You have to transport your luggage (they put it under the seating area) and the buses are clean, safe and on time. The airlines don't pay IIRC it's about USD 20 and takes about an hour.
I've taken the HND <-> downtown Yokohama bus and it was very convenient. If the buses are the same as these, and I would not mind them at all. I just hate having to transfer from a train then bus, etc.