I would start with one small piece of plastic: T-money. Once you have it, Seoul becomes much less dramatic.
01T-money: a small card versus a huge city
Sold in convenience stores and useful on subway and buses.
- Starts at around 2,500 KRW
- Balance is loaded separately
- Keep it after the first ride
02The subway: colored lines and many letters
The adult base fare is 1,400 KRW with a transportation card and 1,500 KRW for a single-use ticket.
- Watch line colors and numbers
- English signs are common
- Exit numbers matter
03Operating hours
Most lines run roughly from 05:30 until midnight, with last-train times varying by station.
- Check the last train
- Do not expect normal metro service at 3 a.m.
- Use taxis or night buses later
04Transfers
Some giant stations require a serious walk between lines. That is normal Seoul behavior.
- Allow extra time
- Do not sprint blindly
- Confirm direction before boarding
05From the airport
AREX links Incheon with Seoul. Different services exist, so check the current timetable and fare.
- Compare express and all-stop
- Do not default to a taxi
- Choose the easiest connection to your hotel
06Maps and apps
Naver Map and KakaoMap are often more useful locally than Google Maps.
- Save your hotel address in Korean
- Navigate to a specific station exit
- Check transfer times
07Taxis and late nights
Taxis are useful after the subway closes, but during the day rail is usually the cleaner choice.
- Expect traffic
- Show the address in an app
- Do not make taxis your default
Money without surprises
- Seoul subway base fare with T-money: 1,400 KRW
- Single-use subway ticket: 1,500 KRW base fare
- A T-money card itself starts at around 2,500 KRW; balance is separate
- Check other prices close to your trip; old screenshots age badly in Seoul
What matters
- 01Buy T-money on day one
- 02Use Naver Map or KakaoMap
- 03Remember exit numbers at big stations
- 04In Bukchon, remember people actually live there
- 05Do not schedule four distant districts in one day
- 06Leave one evening completely unplanned
Seoul rewards the traveler who knows when to stop rushing.
