Everything you need to know about Seoul's subway system β from buying a T-money card to mastering transfers and finding the best exits.
Seoul's subway system is one of the best in the world β clean, punctual, affordable, and easy to navigate even if you don't speak Korean. With 23 lines and over 700 stations, it connects virtually every corner of the Seoul metropolitan area. Here's everything you need to know to ride it like a local.
The T-money card is your key to Seoul's transit system. It works on all subways, buses, and even taxis.
Where to buy:
Cost: β©2,500 for the card itself (non-refundable), then load money onto it.
How to recharge:
Why T-money beats single tickets:
Tip: At the end of your trip, you can get a partial refund of your remaining balance (minus β©500 processing fee) at any convenience store. Or just keep the card for your next visit β T-money cards don't expire.
Seoul's subway lines are color-coded and numbered, making navigation straightforward even without Korean.
Key lines for tourists:
| Line | Color | Key Stations | |------|-------|--------------| | Line 2 (Green Circle) | Green | Hongdae, Sinchon, Gangnam, Jamsil, Seongsu | | Line 1 | Dark Blue | Seoul Station, Jongno, Dongdaemun | | Line 3 | Orange | Gyeongbokgung, Anguk (Insadong), Apgujeong | | Line 4 | Light Blue | Myeongdong, Seoul Station, Dongdaemun | | Line 6 | Brown | Itaewon, Noksapyeong, Hapjeong | | Shinbundang | Red | Express to Gangnam from southern suburbs | | Airport Railroad (AREX) | Blue/Orange | Incheon Airport β Seoul Station |
Every station has a number (e.g., Hongdae is 239, Gangnam is 222). This is extremely useful when you can't read Korean β just match the numbers.
Station signage is in Korean, English, Chinese, and Japanese. Platform screens show the next train's destination and arrival time in real-time.
1. Enter the station Look for the subway entrance β marked with the line number and color. Most stations have 8β12 exits.
2. Tap in Hold your T-money card against the reader at the turnstile. The screen shows your remaining balance.
3. Find your platform Follow the signs showing your line number and direction. Platforms are labeled with the terminal station name.
4. Board the train Platform screen doors open with the train doors. Stand to the side and let passengers off first. Trains arrive every 2β5 minutes during peak hours, 5β10 minutes off-peak.
5. Ride Announcements are in Korean, English, Chinese, and Japanese. Digital displays above the doors show upcoming stations. Free Wi-Fi is available on all trains.
6. Transfer (if needed) Follow the transfer signs ("νμΉ" in Korean, with the target line color and number). Some transfers involve long walks (5β10 minutes).
7. Tap out Tap your T-money at the exit turnstile. Your fare is calculated based on distance traveled.
Fares (with T-money):
Operating hours:
Rush hours to avoid if possible:
Transfers are free within 30 minutes when using T-money (subway β subway, subway β bus, bus β bus).
Major transfer stations:
Pro tip: When transferring, follow the colored floor markings β they guide you to the correct platform without reading signs.
Seongsu (μ±μ) β Line 2, Seongsu Station (Exit 3 or 4) Seoul's popup capital. Walk straight from Exit 3 into the main popup street.
Hongdae (νλ) β Line 2, Hongik University Station (Exit 9) The main Hongdae area is directly outside Exit 9. For AK Plaza exhibitions, use Exit 2.
Gangnam (κ°λ¨) β Line 2, Gangnam Station (Exit 10 or 11) The main Gangnam-daero boulevard. For Apgujeong/Rodeo Street, take Line 3 to Apgujeong Station. For COEX Mall, Line 2 to Samseong Station.
Itaewon (μ΄νμ) β Line 6, Itaewon Station (Exit 1 or 4) Exit 1 for the main Itaewon strip. Exit 4 for the Haebangchon (HBC) side.
Myeongdong (λͺ λ) β Line 4, Myeongdong Station (Exit 6 or 7) Exit directly into the main shopping street. For Namsan Cable Car, Exit 3.
Jongno/Insadong (μ’ λ‘/μΈμ¬λ) β Line 3, Anguk Station (Exit 6) Exit 6 leads straight to Insadong's pedestrian street. For Gyeongbokgung Palace, Gyeongbokgung Station Exit 5.
Yeouido (μ¬μλ) β Line 5 or 9, Yeouido Station Exit 1 for IFC Mall. For cherry blossoms, head to Yeouinaru Station (Line 5).
How to plan a route:
A few unwritten rules that locals follow:
Missed the last train? Don't panic:
Tip: Save your hotel address in Korean on your phone. Show it to the taxi driver β it's faster and avoids miscommunication.