Entry Requirements for U.S. Citizens: South Korea
Note: Entry rules are generally stable but can change without notice - check with the Embassy of the Republic of Korea in Washington, D.C. or the U.S. Department of State before traveling.
Passport & Visa Requirements
- Passport validity: Your U.S. passport must be valid at the time of entry.
- Blank pages: At least one blank page is required for entry and exit stamps.
- Visa requirement: U.S. citizens do not need a visa for stays of up to 90 days for tourism or business.
- K-ETA requirement: U.S. citizens must obtain a Korea Electronic Travel Authorization (K-ETA) before travel. It is valid for 2 years from approval and allows multiple entries.
- Longer stays: Travelers planning to stay longer than 90 days must apply for an appropriate visa from a Korean consulate before travel.
In a hurry? Apply online to get your visa, e-visa, ETA or eVOA fast.
Entry Procedures
- Onward/return ticket: Travelers must present proof of onward or return travel upon entry.
- Purpose of stay: Immigration officers may ask about your intended activities and accommodation in South Korea.
- K-ETA screening: Airlines may not allow you to board without an approved K-ETA number linked to your passport.
Health & Vaccinations
- Routine vaccinations: No mandatory vaccinations are required for entry from the U.S.
- Yellow fever: A yellow fever vaccination certificate is required only if arriving from or transiting through a country with yellow fever risk.
- COVID-19: There are no COVID-related entry requirements (no proof of vaccination or testing as of 2025).
Traveling with Minors
- Parental authorization: No special entry rules exist, but a notarized parental consent letter is recommended if a child is traveling alone or with only one parent.
Additional Restrictions & Considerations
- Currency declaration: Travelers must declare if carrying more than USD $10,000 (or equivalent) in cash or monetary instruments when entering or leaving South Korea.
- Security advisory: The U.S. Department of State currently advises Level 1: Exercise Normal Precautions in South Korea.
- Overstays: Staying beyond the 90-day limit without a visa can result in fines, detention, and possible deportation.
In a hurry? Apply online to get your visa, e-visa, ETA or eVOA fast.
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