Bringing Over $10,000 Cash Into or Out of Korea 2026: Do You Need to Declare It?
Bottom line: If you're carrying more than USD 10,000 in cash, cashier's checks, or traveler's checks — all currencies combined — when entering or leaving Korea, you must declare it to customs.
If you didn't know: Get caught without declaring and you pay a fine equal to 5% of the undeclared amount. Fail to declare $20,000 and that's roughly 1.39 million won in fines alone. Go over $30,000 undeclared and it's no longer a fine — it becomes a criminal case, punishable by up to 1 year in prison or a fine of up to 100 million won.
Declaration threshold is over USD 10,000 (Korean won cash, foreign currency, and traveler's checks all added together) · on arrival, mark "yes" on item 3 of the Travel Declaration Form or use the "Customs Declaration for Travelers" mobile app · on departure, declare at the customs foreign-exchange desk before the security checkpoint · emigrants, students abroad for 6+ months, and people staying overseas 30+ days must get a confirmation slip from a designated foreign exchange bank before leaving · the declaration certificate cannot be issued once you've left the arrival hall · legal basis: Foreign Exchange Transaction Regulations Articles 5-11(1), 6-2(2), and 6-3(1) · Korea Customs Service helpline 1577-8577.
Korea Customs Service's own clearance guidance page states that anyone carrying more than USD 10,000 in means of payment into or out of the country must declare it, with Korean won cash, won-denominated cashier's checks, and traveler's checks all counted together. The penalty structure — a 5% fine up to $30,000, criminal prosecution above that — comes from a Korea Customs Service notice reported by Korean media in February 2026; funds of unclear origin can also be restricted from moving at all. This was checked on 2026-11-01 against the declaration-requirement clause on the Korea Customs Service's official clearance guide (customs.go.kr).
This article summarizes official guidance and is not legal, medical, or financial advice.
Journey stage: Before you go · Verified 2026-11-01
Read next
- 2026-11-01Bringing Adderall to Korea 2026: Do You Need a Permit, and How Long Does It Take?
- 2026-11-01Alien Registration Card Korea 2026: 90-Day Deadline, Fees, Penalty
- 2026-11-01No Alien Registration Card in Korea 2026: What You Can and Can't Do
- 2026-11-01Seoullo Media Canvas 2026: Free Night Light Show at Seoul Station, Dates and Hours
- 2026-11-01Foreign Card on Seoul Subway 2026: Fees and How It Works
- 2026-11-01K-ETA Exemption 2026: Until Dec 31, Official Fee 10,000 Won