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K-Culture Decoded

How to Use the Seoul Subway as a Foreigner: 2026 Guide

Facts last checked: Updated:

The 30-second answer

Buy a T-money card or a Climate Card pass before your first ride, because foreign contactless credit cards still cannot open Seoul's subway gates. Then tap in and tap out on every trip: the adult card fare starts at ₩1,550 for the first 10 km, and transfers made within 30 minutes are covered by that same fare.

Key takeaway
Your Visa or Mastercard can buy a transit card at a station kiosk, but it cannot open the gate. You need a Korean transit card or pass in hand before you ride.
Pro tip
Check the exit number in your map app before you leave the platform. Large stations have many exits spread over several blocks, and the wrong one can add ten minutes of walking to your trip.

What First-Time Riders Get Wrong About Seoul's Subway

Seoul's subway is easy to read once you are inside it. Signs, platform screens and announcements are bilingual, every station has a number as well as a name, and the city runs an official English app that can route you from where you are standing.

The hard part is the payment layer. Seoul runs a closed-loop system, so a foreign bank card tapped on a gate reader does nothing. Since March 2026 the city has installed 440 card machines across 273 stations on Lines 1–8 that accept overseas credit and debit cards, Apple Pay, Kakao Pay and Naver Pay, but that gets you a card or pass — not a ride.

The other thing visitors notice is how seriously seating is taken. Each car has priority seats at both ends for elderly, disabled and pregnant passengers, plus two pink seats reserved for pregnant riders, a design Seoul rolled out on Lines 2 and 5 in 2015 and later expanded. Locals leave the pink seats empty even in a packed car, and visitors are expected to do the same.

Which Transit Card or Pass to Buy

Option Price Transfer discount Where to get it Good to know
T-money card ₩3,000–5,000 for the card, reload up to ₩500,000 Yes Convenience stores, station machines Balances over ₩50,000 can only be refunded at Tmoney Town near Seoul Station
Climate Card pass ₩3,000 card plus ₩5,000 (1 day) to ₩20,000 (7 days) Unlimited rides, no transfer math Station kiosks, tourist information centers, nearby convenience stores Built for travel inside Seoul; check coverage before suburban trips
Single journey ticket Adult ₩1,650 plus a ₩500 refundable deposit No Ticket machines in every station Get the deposit back from a refund machine after you exit
M-PASS ₩15,000–64,500, including a ₩5,000 deposit Up to 20 rides per day Tmoney Town, Seoul Station Exit 10, weekdays 09:00–18:00 Express trains are not covered; ₩4,500 of the deposit comes back

Riding the Seoul Subway, Step by Step

  1. Step 1: 1. Get a transit card before you reach the gate

    A basic T-money card costs ₩3,000–5,000 at any convenience store and can hold up to ₩500,000. Load it with cash at the counter or at a station machine.

    If you would rather pay by card, use one of the newer station kiosks on Lines 1–8. They sell the Climate Card and 1–7 day passes and take overseas credit and debit cards plus Apple Pay, Kakao Pay and Naver Pay, with a 3.7% service charge on overseas card transactions.

  2. Step 2: 2. Read the station number to find your platform

    Every station carries a code where the leading digit is the line and the rest is the station's position along it — Gangnam is 222 on Line 2, Hongik University is 239, Myeong-dong is 424 on Line 4. Branch stations add a suffix, like 211-1.

    Platforms are signed by the terminus, not by compass direction. Look at your app for the station code one stop ahead of you, then match it to the platform sign showing the next station.

  3. Step 3: 3. Tap in, one card per person

    Hold a single card flat on the reader. Line 9's operator specifically warns against letting cards touch each other — scan one at a time, and don't try to pass one card back through the gate for a second person.

    Adult card fare is ₩1,550 for the first 10 km, with ₩100 added per 5 km after that. Teens pay ₩900 and children ₩550 with a card. A single-ride ticket costs ₩100 more, and if you're out early, a card tap before 6:30 a.m. takes 20% off that first ride.

  4. Step 4: 4. Transfer without paying a second fare

    Follow the transfer signs inside the station and tap normally at the next gate or bus reader. As long as you board within 30 minutes of tapping off — 60 minutes between 9 p.m. and 7 a.m. — the trip stays on one integrated fare, for up to four transfers. Subway-to-bus and bus-to-subway both count.

    Two things break this. Single journey tickets get no transfer discount at all, and a few privately run lines, including the Shinbundang Line, add their own surcharge on top of the normal fare.

  5. Step 5: 5. Take the express train where one exists

    Line 9 is the one most visitors meet. Express trains skip most stations and run roughly five times an hour in each direction, calling at stops including Gimpo Int'l Airport, Magongnaru, Gayang, Dangsan, Yeouido, Noryangjin, Dongjak, Express Bus Terminal, Sinnonhyeon, Seonjeongneung, Bongeunsa, Sports Complex, Seokchon, Olympic Park and VHS Medical Center.

    On Line 9's own station map, express stops are marked in red. Check that your destination is one of them before boarding, and note that M-PASS does not cover express trains.

  6. Step 6: 6. Watch the clock, then find the right exit

    Service generally runs from about 5:30 a.m. until around midnight, with some lines pushing closer to 1 a.m. If you miss it, Seoul's late-night N buses run from midnight to 4 a.m.

    Before you tap out, confirm your exit number. And if you tap out and immediately realize you're at the wrong gate, all sections of Lines 2, 5, 8, 9, the Ui-Sinseol Line and the Sillim Line allow a free re-entry within 15 minutes.

Show this in Korean

  • 이 카드 충전해 주세요.

    Pronunciation: I kadeu chungjeon-hae juseyo.

    Please top up this card.

  • 잔액 환불해 주세요.

    Pronunciation: Jan-aek hwanbul-hae juseyo.

    Please refund the remaining balance.

  • 급행 열차 여기서 타요?

    Pronunciation: Geuphaeng yeolcha yeogiseo tayo?

    Do I catch the express train here?

Foreigner FAQ

Can I just tap my contactless Visa or Mastercard at the gate?

No. Seoul's gates still don't read foreign-issued contactless cards. The city has committed to an EMV open-loop system on a phased timeline through 2030, with terminal replacement on Lines 1–8 planned for 2027, so for now you need a Korean transit card or pass.

I tapped out at the wrong exit. Do I have to pay again?

Often not. All sections of Lines 2, 5, 8, 9, the Ui-Sinseol Line and the Sillim Line allow you to re-enter within 15 minutes without a new fare. On other lines, a fresh tap starts a new trip, so check your exit before you leave.

How do subway-to-bus transfers actually work?

Tap off when you leave the subway and tap on when you board the bus within 30 minutes — or 60 minutes between 9 p.m. and 7 a.m. The system charges one integrated fare across up to four transfers, but only if you tap every time, including when getting off the bus.

Can two of us share one T-money card?

No. Each rider needs their own card or ticket, and the readers are designed for a single card at a time. If you're traveling as a pair, buy two cards or two passes.

What happens to money left on my T-money card?

Convenience stores can refund smaller balances over the counter. Anything above ₩50,000 has to be refunded at Tmoney Town near Seoul Station, and the price you paid for the plastic card itself is separate from your stored balance.

Which app should I use to plan routes?

Seoul runs an official English-language app, Seoul Subway, released in 2023 for foreign residents and visitors. It searches routes from your current location, shows real-time train times, points you to specific exits and restrooms, and warns you if you board the wrong train at a transfer station.

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