Seoul essentials

Before you fly

• Check whether your nationality needs a K-ETA (electronic travel authorization). Rules change, so use the official site only.
• Korea uses 220V with round two-pin plugs (types C and F).
• Save these numbers: 112 police, 119 fire and ambulance, 1330 Korea Travel Hotline (English, Japanese, Chinese and more).

K-ETA official site ↗Korea Travel Hotline 1330 ↗

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eSIM & SIM

• The easiest option is a data eSIM bought before you land. Check that your phone is unlocked and supports eSIM.
• Physical SIMs and eSIMs are also sold at Incheon Airport arrivals. You need your passport.
• Most tourist eSIMs are data only. Even a tourist plan with a Korean number can’t pass Korean identity checks, so some Korean apps won’t let you sign up. Calls and texts still work.

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T-money transit card

• Buy a T-money card at convenience stores (GS25, CU, 7-Eleven) or subway stations and top it up there. Top-ups are usually cash only.
• Tap in and tap out on subways and buses. Transfers within about 30 minutes are discounted.
• Staying a while and riding a lot? Seoul’s Climate Card offers short-term unlimited passes for visitors. Check the official page for current options.

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From the airport

• AREX runs from Incheon Airport to Seoul Station. The Express train is non-stop and reserved; the all-stop train is cheaper and takes T-money.
• Airport limousine buses go to most neighborhoods and hotels, and are easier with big luggage.
• Taxis are metered. Use official taxi stands and avoid drivers who approach you inside the terminal.

AREX official site ↗

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Money & cards

• Physical cards work almost everywhere, including taxis. Apple Pay works only at shops with contactless terminals and Google Pay is not officially supported, so bring a physical card. Keep some cash for markets, street food and T-money top-ups.
• Look for “Global ATM” signs in convenience stores and banks to withdraw with a foreign card.
• Tipping is not expected.

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Apps to install

• Maps: Naver Map or Kakao Map. Google Maps shows places but gives limited walking and driving directions in Korea.
• Translation: Papago handles Korean menus and signs well, including photos.
• Taxis: Kakao T (you can sign up with an overseas number) or an English-first app such as K.Ride. If your foreign card won’t register, choose to pay the driver directly.

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