Place: Howard Johnson by Wyndham Hotel Incheon Airport.
From Incheon Airport: Take the airport train (AREX: https://www.arex.or.kr/main.do) either at Terminal 1 or Terminal 2. You should take "All-Stop Train". (Do not take "Express" which is a non-stop train to Seoul Station.) Get off at "Unseo" Station. (the 2nd stop from Terminal 1 and the 3rd stop from Terminal 2) The hotel is about 300 m away from the Unseo Station.
The fares are
Terminal 1 - Unseo: KRW 900
Terminal 2 - Unseo: KRW 1,500
(Currently USD 1 is approximately KRW 1,380.)
The shuttle bus service provided by the hotel will NOT be available through the end of the year.
Airport Train Route Map