South Korea Travel Guide: Cash, Cards, and Everything You Need to Know
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South Korea is one of Asia's most technologically advanced countries — and one of its most cashless. Yet cash remains essential in specific situations, and understanding when to use each payment method makes the difference between a smooth trip and a frustrating one. Here's the complete picture for 2026 travelers.
Korea's Payment Landscape
South Korea leads the world in contactless payment adoption. Credit and debit cards are accepted almost universally in Seoul and major cities — restaurants, convenience stores, taxis, markets, and most tourist attractions take cards without issue. T-money (Korea's IC transit card) handles all subway and bus payments. In practical terms, a traveler to Seoul can get through most days spending very little physical cash.
The exceptions matter: street food stalls (pojangmacha), traditional markets (Namdaemun, Gwangjang), temple admission fees, rural accommodation, and some traditional restaurants prefer or require cash. Budget ₩50,000–100,000 in cash per day for a mixed itinerary.
Korean Won: The Basics
Korea uses the Korean Won (₩). Current approximate exchange rates in 2026: ₩1,300–1,400 per USD. Unlike Japan's six-coin system, Korean coins are less critical — the ₩1,000, ₩5,000, ₩10,000, and ₩50,000 notes do most of the work. Coins (₩10, ₩50, ₩100, ₩500) accumulate but are less central to daily transactions than Japanese yen coins.
Seoul: Essential Areas
Myeongdong
Seoul's premier shopping and street food district. The main street has hundreds of street food vendors — tteokbokki (spicy rice cakes), hotteok (sweet pancakes), corn dogs, and lobster skewers for ₩2,000–8,000 each. Most vendors are cash-only. Budget ₩20,000–30,000 for a serious Myeongdong street food session.
Gwangjang Market
Seoul's oldest traditional market — the bindaetteok (mung bean pancake) vendors and raw beef (yukhoe) stalls in the covered central hall are among Korea's most authentic food experiences. Almost entirely cash-only. Budget ₩15,000–25,000 for a meal.
Bukchon Hanok Village
Preserved traditional Korean houses (hanok) in central Seoul. Freely walkable. Small teahouses and craft shops in the area prefer cash. Entry to individual hanok museums: ₩3,000–5,000 cash.
Getting Around: T-money Card
The T-money card works on all Seoul Metro lines, buses, and taxis. Buy at any convenience store (GS25, CU, 7-Eleven) for ₩2,500, then load cash in ₩1,000 increments. Single subway fares: ₩1,400–1,800. The card also works in Busan, Daegu, and most other Korean cities. Load ₩20,000–30,000 for several days of transit use.
Day Trips Worth Taking
Gyeongju (2.5 hours by KTX from Seoul, ₩42,600) is Korea's ancient capital — open-air tumuli parks, Bulguksa Temple (₩6,000 admission), and Seokguram Grotto. Mostly cash for admissions and local restaurants. Suwon's Hwaseong Fortress (1 hour from Seoul by subway, free to walk) makes an excellent half-day trip with minimal cash requirements.
How Korea Compares to Japan for Cash Travelers
Korea requires less cash management than Japan — the card infrastructure is more comprehensive and coins are less critical. However, the street food and traditional market experiences that define Korean travel are cash economies. A compact wallet with organized small bills handles Korea's cash needs efficiently.