KTO advises travelers under 18 to register their birth date when purchasing a transport card to receive eligible youth fares. Age bands and local rules can differ; confirm registration and the fare charged at entry.
Practical advice on 2026 card changes, purchasing, using and refunding travel cards.
KTO advises travelers under 18 to register their birth date when purchasing a transport card to receive eligible youth fares. Age bands and local rules can differ; confirm registration and the fare charged at entry.
Check current rules with the card issuer or Seoul City before buying.
KTO's transportation card comparison last revised in August 2026 provides the basis.
Current machine support, coverage, fares and fees may have changed since the published guidance.
