How to Use the Seoul Subway as a Foreigner

Seoul's subway is one of the easiest ways to explore the city. Here is a simple guide to tickets, transfers, signs and the small things first-time visitors should know.

1. Get a transportation card first

If you plan to use public transportation more than once or twice, a rechargeable transportation card is usually the easiest option. T-money is widely used on Seoul's subway and buses.

Step 1Buy a card at a convenience store or subway station.

Step 2Add Korean won to the card before travelling.

Step 3Tap when entering and leaving the system.

2. Understand the subway lines

Each subway line has a number or name and a distinct color. You do not need to memorize them. Search for your destination and follow the line number, station name and direction shown on the signs.

A Seoul street — When you leave a station, check the exit number carefully. Seoul stations can have many exits.

3. Check the direction before boarding

This is one of the easiest mistakes to make. A station can have trains going in opposite directions from different platforms. Look for the final destination or direction displayed on the platform signs.

Quick tip: If you are unsure, compare the next few station names with your route before getting on the train.

4. Transfers can involve a lot of walking

Seoul's subway system is highly connected, but some transfers are long. A transfer may mean walking through corridors, taking stairs or following signs for several minutes.

5. Use English signs

Major subway stations generally provide Korean and English information, and many also include Chinese and Japanese. Station names are commonly displayed in both Korean and Roman letters.

6. Know how the subway etiquette works

Stand to one side of the escalator when appropriate, let passengers exit before boarding, and avoid blocking doors. Priority seats are intended for people who need them, so it is best not to occupy them casually.

Korean convenience store — Convenience stores near subway stations can be useful for water, snacks and quick breaks.

7. Don't worry if you miss a train

Trains arrive frequently, especially on busy routes. Missing one train usually does not change your trip very much. Check the next train and continue.

8. Use a local map app when possible

Naver Map and KakaoMap can be especially helpful in Korea. They can show detailed walking routes, station exits and local businesses that may not appear as clearly on Google Maps.

Bottom line: Get a transportation card, check the direction before boarding, and give yourself extra time for transfers. After a couple of rides, Seoul's subway becomes much easier.