Seoul Subway Foreign Card Payment 2026: Fees, Limits and What Still Won't Work
Bottom line: Since March 17, 2026, the new ticket machines at 273 Seoul subway stations on Lines 1–8 (440 machines total) accept international Visa and Mastercard to buy single-ride tickets and the Climate Card (기후동행카드). Still, check the machine's own menu at your station first to see exactly what it will sell you.
If you didn't know: Hit a machine that won't take your foreign card and you can burn 10–15 minutes hunting for an ATM, longer if you give up and walk instead. Know which machines take which cards and you tap through without touching cash. One catch: reported fees average 3.7% on overseas-card transactions — charge 10,000 won and you pay roughly 370 won extra.
Launch date March 17, 2026 · Coverage 440 new machines across 273 stations on Seoul Subway Lines 1–8 · Cards accepted international Visa and Mastercard (Amex and Diners support not officially confirmed) · What you can buy single-ride tickets and the Climate Card, with some reports adding short-term pass top-ups — this varies by report, so confirm on the machine screen · Fee reported average 3.7% · Not supported monthly passes and some short-term transit cards can't be topped up this way · Inquiries Seoul Transportation Policy Division, +82-2-2133-2244.
In a January 2026 clarification, Seoul City said overseas-card payment was still "to be introduced after" fee talks with the Financial Services Commission — meaning it hadn't launched yet. Reuters-sourced foreign coverage and Korean outlets then reported the March 17 launch and the 3.7% fee, and an April report said the service was averaging about 9,000 users a day in its first month. So the January document describes the pre-launch state, and the March-onward reporting confirms the service actually started. Accounts differ on exactly what you can buy with a foreign card — some say single tickets only, others add Climate Card top-ups — so the safest move is to read the machine's own menu. The 3.7% fee comes from a single Reuters-sourced report; this desk found no Seoul City document confirming that exact number directly. These facts were checked on the Seoul Media Hub (mediahub.seoul.go.kr) clarification page and the news coverage cited above, both viewed on 2026-11-04.
Journey stage: During the trip · Verified 2026-11-04
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