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How much cash can you bring into Korea? The US$10,000 declaration rule

Numbers checked against the official source on 2026-10-19

If you carry more than US$10,000 (or the equivalent) in foreign currency, Korean won notes or cashier's checks into Korea, you must report it to customs. Up to US$10,000 needs no declaration. You report by ticking "yes" on item 3 of the Traveler Declaration Form, writing the amount, and handing it to a customs officer, who gives you a Certificate of Foreign Currency Declaration. Not reporting can mean a fine or prison.

No revision date. The Korea Customs Service English page for this topic shows no date of its own. We read it on 2026-10-19, and this page reflects that reading only. We are not calling this a 2026 rule; check the official page before you travel.
US$10,000Declare if you carry more than this on arrival
Item 3Box on the Traveler Declaration Form
1 yearMaximum prison term for not reporting
₩100 millionMaximum fine, with a larger triple-value rule

Arriving in Korea: steps

  1. Add up everything you carry: foreign currency, Korean won notes and cashier's checks, in total. The page counts "above USD 10,000 or the equivalent in total". Cashier's checks in Korean won are included.
  2. Mark "yes" on item 3 of the Traveler Declaration Form and write the specific amount.
  3. Submit the form to a customs officer.
  4. Receive the Certificate of Foreign Currency Declaration. Keep it.
Do it before you leave the airport. The page says the certificate "cannot be issued after entering Korea (after leaving the immigration)". The page gives two phone numbers: Terminal 1 Airport Baggage Inspection Section 1 at 032-722-4422 and Terminal 2 Airport Baggage Inspection Section 2 at 032-723-5119.

Promissory notes, letters of credit and bills of exchange need no report or authorization to be brought in.

Leaving Korea with cash

Taking means of payment out of Korea, from the customs page's table
CaseKorean residentsNon-residents
Not more than USD 10,000 in totalNo reportNo report
Over USD 10,000: general overseas travel expensesReport to the head of the competent Customs officeNot applicable
Over USD 10,000: relocation, overseas students, overseas residentsConfirmation from the head of the foreign exchange bank is requiredNot applicable
Within the amount carried at your most recent arrivalA separate report for use is requiredNo report required; a certificate of declaration is required

For non-residents, the page's text adds that no report is needed when you leave with foreign payment means within the amount you carried at your recent arrival. It also says a non-resident who withdraws from a credit card issued overseas or an overseas account does not need to report if the head of the foreign exchange bank confirms it and a certificate of confirmation is held. A foreign resident who intends to leave with income earned in Korea must obtain the foreign exchange bank's confirmation.

Where the page contradicts itself

WordingWhereWhat it means
"less than USD 10,000" needs no report when leavingText of the departure sectionExactly US$10,000 is not clearly covered by this sentence.
"not more than USD 10,000 in total" and "Over USD 10,000"The departure tableThe table puts exactly US$10,000 on the no-report side. The arrival text also uses "not exceeding USD 10,000" and "above USD 10,000". Keep your total below US$10,000 to avoid the question, or declare if you are at the line.

Penalty

The customs page says anyone who exports or imports means of payment, including foreign currency, without filing a report "shall be punished by imprisonment with labor not more than 1 year or by a fine" under Article 32 of the Act, not exceeding one hundred million won. If the triple value of the object related to the violation exceeds one hundred million won, the fine can be up to the triple value. The page says the reporting rule exists to crack down on drug funds and illegal money laundering. It also mentions "fines or penalties" for a person who failed to report at arrival.

Related rules on the same site

The customs passenger guide lists "means of payment, etc. exceeding US$10,000" among the goods a traveler must declare, citing Paragraph 1 of Article 5-11, Paragraph 2 of Article 6-2 and Paragraph 1 of Article 6-3 of the Foreign Exchange Transactions Regulations. Declaring cash is separate from the goods allowance covered on our duty-free allowance page.

The cash courier page lists the Foreign Exchange Transactions Act (Article 17), Article 31 of its Enforcement Decree and Chapter 6 of the Foreign Exchange Transactions Regulations as the relevant rules.

Official sources

Prices change. If an official page shows a different number from this page, the official page wins — and please tell us so we can fix it.

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