AREX Line Info
- Network Seoul Subway
- Operation Started 2007
- Total Length 63.8 km
- Total Stations 14
Terminals
From
Seoul Station
To
Incheon Int'l Airport Terminal 2
AREX Line Overview
AREX is an airport railway line that connects Seoul Station to Incheon International Airport and Gimpo International Airport. The first phase of the line opened on March 23, 2007, between Incheon International Airport and Gimpo International Airport, while the extension to Seoul Station opened on December 29, 2010. The line is 63.8 kilometers long. AREX offers two types of service: express trains, which run non-stop between Seoul Station and Incheon Airport, and all-stop trains, which serve all stations along the route.
Seoul Subway Map 2026
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Other Lines in Seoul Subway
EverLine
Giheung (Nam June Paik Art Center) ↔ Jeondae·Everland
15 stations
Gimpo Goldline
Yangchon (Dawon City) ↔ Gimpo Int'l Airport
10 stations
Gyeongchun Line
Cheongnyangni ↔ Chuncheon
24 stations
Gyeonggang Line
Pangyo ↔ Sejongdaewangneung
10 stations
Gyeongui–Jungang Line
Gajwa ↔ Seoul Station
3 stations
Gyeongui–Jungang Line
Munsan ↔ Jipyeong
53 stations
Incheon Line 1
Gyeyang ↔ Songdo Moonlight Festival Park
30 stations
Incheon Line 2
Geomdan Oryu (Geomdan Industrial Complex) ↔ Unyeon (Seochang)
27 stations
Line 1
Guro ↔ Sinchang (Soonchunhyang Univ.)
36 stations
Line 1
Byeongjeom (Hanshin Univ.) ↔ Seodongtan
2 stations
Line 1
Geumcheon-gu Office ↔ Gwangmyeong
2 stations
Line 1
Soyosan ↔ Incheon
62 stations
Frequently Asked Questions — AREX Line
AREX Line has 14 stations on the Seoul Subway network.
AREX Line runs between Seoul Station and Incheon Int'l Airport Terminal 2.
AREX Line is approximately 63.8 km long.
AREX Line opened in 2007.
AREX Line is a Suburban line operated under Seoul Subway.
AREX Line is part of the Seoul Subway transit network.