Do You Need Cash in South Korea? A 2026 Guide to Cards, ATMs and T-Money
South Korea is often described as a cashless country. Koreans commonly pay for meals, coffee, shopping and taxis with cards or mobile payment apps. However, this does not mean a foreign traveler can visit Korea without any Korean won. A foreign-issued card may work perfectly at a hotel or department store but fail at a small restaurant, ticket machine or Korean online payment page. A standard physical T-money card also normally requires cash for recharging. As a local Korean guide, my practical recommendation is simple: Bring at least two physical payment cards and keep a reasonable amount of Korean won as a backup. You do not need to carry your entire travel fund in cash. You should simply avoid depending on one card, one phone or one payment method. Foreign traveler paying by credit card at a convenience store in Seoul Can You Use a Foreign Credit Card in Korea? Foreign-issued Visa, Mastercard, American Express, JCB and UnionPay cards are accepted at many establishments, pa...