Seoul Subway Guide for Tourists (2026): Fares, Transfers, Station Numbers and the Mistakes That Cost You Money
The Seoul subway is one of the easiest big-city metro systems in the world to use as a visitor. Signs and announcements are in English, every station has a number, trains come every few minutes on the main lines, and a single card pays for both the subway and the bus. Most of the problems visitors run into are not about getting lost. They are small money and timing mistakes: buying single tickets every ride, forgetting to tap out, missing the last train, or getting on an express train that skips their stop. This guide covers how the system is laid out, what a ride actually costs in 2026, how free transfers work, and the handful of habits that make the subway painless. Fares and payment rules were checked in October 2026 . Short version • Get a T-money card (or WOWPASS) on day one and load it with cash. Base fare: ₩1,550 with a card, ₩1,650 with a single ticket. • Tap in and tap out, on the subway and on the bus. Tapping out is what gives you free transfers. • Search by station...