If you just landed in Korea and want the fastest, most affordable way to get to central Seoul, the Airport Railroad (AREX) is your best option. Here's a step-by-step guide for international travelers.
What is AREX?
AREX (Airport Railroad Express) connects Incheon International Airport and downtown Seoul, with two types of trains:
- Express Train – Direct to Seoul Station without stops
- All-Stop Train – Stops at every station between Incheon Airport and Seoul Station
Where to Find AREX at Incheon Airport
Terminal 1:
After customs, follow the signs that say "Airport Railroad" or "Train to Seoul". Go down to B1 (Basement Level).
Terminal 2:
After exiting customs, go to B1 and follow the signs for "Airport Railroad".
Ticket Prices
| Express Train | 9,500 KRW | 43 minutes | Reserved seats, faster |
| All-Stop Train | 4,150–4,850 KRW | ~56 minutes | Cheaper, more stops |
- Children (6–12): About half the adult fare
- Under 6: Free (no seat provided)
Operating Hours
| Incheon → Seoul | 05:15 AM | 11:50 PM |
| Seoul → Incheon | 05:20 AM | 11:40 PM |
Trains run every 15 to 20 minutes.
Major Stops (All-Stop Train)
- Incheon Int'l Airport Terminal 1
- Incheon Int'l Airport Terminal 2
- Unseo
- Geomam
- Digital Media City (transfer to Line 6)
- Hongik Univ. Station (Hongdae)
- Seoul Station
How to Buy Tickets
Express Train:
Purchase tickets at AREX ticket counters or machines labeled "Express Train". You can also book online at www.arex.or.kr
All-Stop Train:
Buy a single-use ticket at the machines or use a rechargeable T-money card (available at airport convenience stores like GS25 or 7-Eleven).
Luggage and Wi-Fi
- Both trains allow luggage. The Express Train has more space for large bags.
- Express Train offers free Wi-Fi and power outlets.
- The All-Stop Train operates like a regular subway, with no reserved seating.
Travel Tips
- If you're heading to Hongdae or Myeongdong, the All-Stop Train is convenient and cheap.
- If you're tired or carrying a lot of luggage, the Express Train is more comfortable.
- Both trains are clean, safe, and easy to use for foreigners.
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