Seoul subway basics 2026

✍️ KoreaPlus Editorial Team📅 Updated 2026-09-05✅ 2026 fares & rules verified⏱ 6 min

Quick answer

T-money tap, line colors, last-train caution, 30-minute free transfers.

2026 comparison

Option	Detail
T-money tap	Tap in and out at gates
Line colors	Follow colored maps; transfer hubs show multiple colors
Last train	Check apps; late-night gaps grow after midnight
30-min transfer	Free with transit card if you re-tap in time

Stand right on escalators in Seoul (left walk). Keep voices low in cars. Priority seats are for seniors, pregnant riders and people with disabilities.

Do this in order

T-money tap, line colors, last-train caution, 30-minute free transfers.

Stand right on escalators in Seoul (left walk). Keep voices low in cars. Priority seats are for seniors, pregnant riders and people with disabilities.

Check the official operator on your travel date. Prices, eligibility and holiday hours can change.

Frequently asked questions

Which option should I choose?

Match the option to your route, group size and phone. The cheapest choice is not always the fastest door to door.

What should I verify before travel?

Check the official operator on your travel date. Prices, eligibility and holiday hours can change.

✅ Checked 2026-09-08 · Sources: Korea Immigration Service · Official K-ETA (k-eta.go.kr) · Korean diplomatic missions. Entry rules change — the official portal wins over this page.