The short answer: install NAVER Map for place search and door-to-door routes, keep KakaoMap as a useful second local map, and use Seoul Metro’s official Seoul Subway app when you need station, train or disruption details. Before every ride, confirm four things: the station number, line color, direction or terminal station, and exit number. A rechargeable transit card is the simplest payment method for repeated subway and bus trips.
Fares, payment and app details checked July 22, 2026
The adult Seoul subway base fare is ₩1,550 with a transit card and ₩1,650 with a single-journey ticket, before distance surcharges. Routes, last trains, station facilities, fares and app behavior can change; check the operator and your app again on the travel day.
The five-minute setup before your first ride
- Install NAVER Map and one backup. NAVER Map supports English, Chinese and Japanese as well as Korean. KakaoMap provides public-transport, walking and real-time bus information. Seoul Subway is the official Seoul Metro app for route, train and station information.
- Save your accommodation in Korean. Keep the exact Korean name, road address and nearest station exit in an offline note. Follow the Korean address search workflow if an English name finds the wrong branch.
- Choose how you will pay. Buy and load a T-money or compatible transit card with Korean won cash if you expect to use both subway and bus. A single-journey card is a workable subway-only fallback.
- Plan the route while you have data. Save a screenshot containing the origin, destination, transfer stations and final exit. Do not save only a colored line with no station names.
- Allow a first-trip buffer. Large interchanges can require a long walk. Add at least 10–15 minutes when you have luggage, need an elevator or must catch a timed admission.
Which map or subway app should you use?
| App | Best use | What to verify |
|---|---|---|
| NAVER Map | Finding Korean place records, door-to-door public transport, walking legs, exits and live bus information | Exact branch, Korean address, hours and entrance |
| KakaoMap | A second local route result, nearby places, public transport and boarding or alighting alerts | Language coverage and the same exact destination |
| Seoul Subway | Official line map, route search, real-time train information, station facilities, congestion and service alerts | Your version, permissions and whether the relevant operator’s data is shown |
| Google Maps | A familiar discovery tool when the exact Korean route mode works | Walking or transit coverage for that exact trip; keep a local-map backup |
No app should be your only source for the final train, an emergency closure or a time-critical airport connection. Use a local map for planning, then confirm the current service with Seoul Metro or the relevant rail operator. If two apps disagree, compare the Korean station name and station number before comparing times.
How to read a Seoul subway route
1. Match the station name and number
Most signs show Korean and English, and a station number gives you a language-independent cross-check. For example, two stations can have similar English names while belonging to different lines or cities. Match the name, line number and station number shown by your route app.
2. Check the direction by the next station or terminal
“Inbound” and “outbound” are not reliable traveler labels. The platform sign normally identifies the next station and often the direction by a terminal station. Compare the next station on your route with the station printed on the platform sign before boarding. On circular Line 2, use the next-station check rather than trying to interpret a compass direction.
3. Notice branches and express trains
A line color alone may not tell you whether the train follows the branch you need or stops at your station. Read the train’s destination display and check whether your app marks it as express or all-stop. If uncertain, wait for the next train and show the Korean destination to station staff.
4. Treat exit numbers as part of the address
A large station can place two exits on opposite sides of a highway or several blocks apart. Keep the exit number beside the destination, then follow the numbered signs after the fare gate. Elevators may lead to a different exit; when step-free access matters, check the station facility map and plan the final surface crossing.
How to pay for the Seoul subway
| Method | Adult base fare | Works on buses? | Best for |
|---|---|---|---|
| T-money or compatible transit card | ₩1,550 | Yes | Repeated subway and bus trips, transfers and simple tap-in/tap-out use |
| Single-journey subway card | ₩1,650 plus refundable ₩500 deposit | No | One subway ride or a cash/card-payment fallback at a supported machine |
| Climate Card short-term pass | Fixed 1-, 2-, 3-, 5- or 7-day price | Only routes and sections inside current Climate Card coverage | Frequent travel entirely within the pass coverage |
The listed subway fares are the official Seoul base fares effective June 28, 2025 and still published when checked. Distance and premium-line surcharges can raise the total. A transit card also receives a 20% discount on the first ride before 6:30 AM.
Foreign-card distinction: Korea Tourism Organization’s May 2026 transport guide says ordinary T-money purchase and top-up at convenience stores and subway stations do not accept foreign-issued cards and are cash only. Since March 17, 2026, 440 new machines at 273 stations on Seoul Metro Lines 1–8 accept international cards for single-journey tickets and short-term Climate Cards, with an average fee of about 3.7%. That does not make an ordinary T-money top-up foreign-card compatible.
If you are choosing between pay-as-you-go and unlimited travel, use the current T-money versus Climate Card comparison. Coverage matters more than the headline pass price, especially for airport rail, trips outside Seoul and services run by another jurisdiction.
Ride the subway step by step
- Find the entrance with the correct station and line. Street entrances show the station name, line and exit number. A nearby underground entrance may belong to a different station complex.
- Choose the correct fare gate. Check the platform direction before tapping. Some stations separate opposing platforms, and changing sides can require staff help or a paid exit.
- Tap one card per traveler. Place the card flat on the reader until the gate confirms it. Do not stack it against another NFC or transit card.
- Follow line color, number and direction together. At a transfer, remain inside the paid area and follow the transfer signs; do not follow an exit sign unless the route explicitly requires an out-of-gate transfer.
- Check the train before boarding. Match the destination or next stop and, where relevant, express status. Let passengers leave before entering.
- Watch the station display and announcement. Count station numbers as a backup. Move toward the door before your stop without blocking it early.
- Tap out at the destination. The system calculates any distance-based fare. If the gate refuses the card, use the staffed gate or fare-adjustment machine rather than forcing through.
- Follow your saved exit number. Recheck the final walking route once above ground because GPS can drift inside large stations.
How subway-to-bus transfers work
Use the same transit card for the entire journey and tap both when boarding and when leaving. Seoul’s integrated fare rules require the next boarding within 30 minutes of tapping off, extended to 60 minutes from 9 PM to 7 AM. Up to four transfers are recognized, meaning five boardings, but additional distance charges can still apply. Reboarding the same bus or route is not treated as a transfer.
A single-journey subway card cannot be used on a bus and does not provide the same bus-transfer workflow. On a bus, press the stop button before your stop, tap at the rear-door reader and get off. For more on boarding lines, priority seats, luggage and quiet behavior, read the Seoul subway etiquette guide.
Common mistakes and the fastest recovery
| Problem | Likely cause | Best next step |
|---|---|---|
| Wrong platform | The next station on the sign does not match the route | Do not board; show the Korean destination to staff and ask whether you can cross inside the paid area |
| Wrong train branch | The line color matches but the train destination differs | Leave at the next convenient station and recalculate; do not keep riding while the route diverges |
| Missed stop | Crowding or an express train passed the station | Exit at the next stop, confirm the correct opposing platform and recalculate before tapping out |
| Card rejected at entry | Low balance, incomplete previous tap or card collision | Remove other cards, try once, then use the staffed gate or reload machine |
| Card rejected at exit | Fare adjustment or entry record problem | Use the staffed gate or fare-adjustment machine; keep the card rather than abandoning it |
| No route late at night | The last feasible connection has passed | Check each operator, then use a licensed taxi or an earlier stopping point; never rely on a generic “subway closes at midnight” rule |
| Elevator route is unclear | The nearest exit is not step-free | Use the station facility map, ask staff and accept a different exit with a longer surface route |
Useful traveler habits
- Save the Korean destination: station staff can help faster when they can read the exact place or station.
- Carry a small cash reserve: it covers an ordinary T-money reload or a machine that does not accept your foreign card.
- Avoid the sharpest rush-hour pressure: if your schedule allows, travel outside the weekday commuter peaks, especially with luggage.
- Keep one route screenshot: it should include transfers and the exit, not only the final pin.
- Check the last train by route: the last departure that reaches your destination can be earlier than the final train leaving the first station.
- Use station staff: large tourist stations increasingly provide multilingual support, and Seoul Metro lists customer center 1577-1234 for calls within Korea.
If you are staying in the main visitor district, the Myeongdong guide explains its two subway lines, exits and surface layout. If you are arriving with luggage, first choose the correct Incheon Airport to Seoul route; an airport train is not interchangeable with an ordinary central-Seoul subway ride.
Frequently asked questions
Can I use a foreign contactless bank card directly at Seoul subway gates?
Do not plan on it for ordinary Seoul subway travel. The May 2026 Korea Tourism Organization guide says foreign cards are not accepted for direct tap payment at subway or AREX readers. Seoul has announced a gradual open-loop program, but a future plan or limited trial is not systemwide acceptance. Use a compatible transit card, eligible pass or single-journey ticket.
Can I buy a single-journey ticket with a foreign card?
At the new machines installed at 273 stations on Seoul Metro Lines 1–8, yes. International card and supported mobile-payment acceptance began March 17, 2026, and an average service fee of about 3.7% applies. Older or other-operator machines may differ, so retain a cash fallback.
Do I tap when transferring between subway lines?
Usually you remain inside the paid area and follow transfer signs without exiting. Some special transfer gates may require a card tap without charging a new base fare. Follow the route signs and do not leave through an exit gate unless your app or station notice clearly requires it.
Which app works best in English?
NAVER Map is the strongest all-purpose starting point for local place records and routes, while Seoul Subway provides official subway-specific features. KakaoMap is a useful local backup. English coverage can vary by place or function, so retain the Korean destination text.
What happens if I forget to tap off a bus?
You can lose the integrated transfer benefit and may create a fare record that causes a later charge. Tap the same card when boarding and leaving every bus, even when it is your final ride.
Does the subway run 24 hours?
No. Last-train times depend on the station, day, line, branch and transfer. Search the entire route for the intended date, then confirm with the operator if missing it would leave you stranded.
Official sources
- Seoul Metropolitan Government: subway fares and transfer rules
- Seoul Metropolitan Government: how to use the subway and official app
- Seoul Metropolitan Government: international-card ticket machines, March 17, 2026
- Korea Tourism Organization: Transportation Guide, May 2026
- NAVER: multilingual NAVER Map and local navigation
- Kakao: KakaoMap route and public-transport features
- Seoul Metro: Seoul Subway official app listing
Update history: first fully sourced edition prepared July 22, 2026. Recheck fares, ticket-machine payment, route coverage and last-train information before a time-critical trip.