Guide to Using AREX + Subway from Incheon Airport to Dongdaemun

This content explains the route and approximate fares when traveling from Incheon International Airport to the Dongdaemun area in central Seoul by transferring between the Airport Railroad AREX and Subway Line 4. It also introduces how to choose between the all-stop train and the express train, considering the balance between fare and travel time.

Incheon International Airport is the representative international hub airport of the Seoul metropolitan area and is one of the largest airports in Korea, with direct flights to and from countries all around the world. Public transportation such as the Airport Railroad AREX and buses is well developed, making it the main gateway that travelers first use as a base for accessing central Seoul.
Incheon Airport Station is the station of the Airport Railroad AREX directly connected to Incheon International Airport, where both all-stop trains and express trains arrive and depart. It is a major departure point for various parts of the city including Seoul Station, and since transfer information and ticket machines are well equipped, it is an easy-to-use station even for first-time travelers.
Seoul Station is a major terminal station located in the center of Seoul and is a key transportation hub served by the Airport Railroad AREX, KTX and other railways, as well as Subway Line 1 and Line 4. After arriving from Incheon Airport via AREX, many travelers use it as a hub to transfer to Subway Line 4 toward Dongdaemun.
Dongdaemun is a popular tourist area in central Seoul, known for Dongdaemun Market and collections of fashion buildings where you can enjoy shopping and gourmet food until late at night. It is a major spot for sightseeing and shopping where the historic Heunginjimun (Dongdaemun Gate) and the modern Dongdaemun Design Plaza coexist.
Dongdaemun Station is a subway station in the Dongdaemun area and a transfer station served by Seoul Subway Line 1 and Line 4. Surrounded by Dongdaemun Market and shopping malls, it is used as the nearest station when heading for sightseeing in Dongdaemun by transferring from the airport or Seoul Station.