Korea Visa Extension 2026: Apply via Hi Korea Before Expiry, One Day Late Is Overstay

This applies only to long-term residents on a fixed-term visa, such as D-2 (student), E-7 (employment), or F-6 (marriage migrant). It does not apply to short-term visitors staying under 90 days.

Bottom line: You must apply for a stay-extension permit through Hi Korea (hikorea.go.kr) before your current stay period ends. The exact window for applying and the required documents differ by visa type, so check your own visa's e-application screen directly for the precise start date.

If you didn't know: Miss your stay expiration date by even a single day and you become an undocumented overstayer from that moment — weekends and public holidays don't give you any grace. Overstaying can bring a monetary penalty (imposed as a summary disposition), and depending on the circumstances, it can escalate to a departure order or an entry ban. The exact penalty amount depends on how long you overstayed and the specifics of your case, and is set by the regional immigration office — there's no official fixed fee table by length of overstay.

A stay-extension permit is the step that lets you keep your current status while remaining in Korea. According to visa-consulting agencies, the window differs by visa: F-6 (marriage migrant) applications reportedly open around 4 months before expiry; E-9 (non-professional employment) involves a re-employment permit application 4 months before expiry followed by the extension itself 2 months before expiry; and E-7 (specific activity) is commonly described as within 1 month before expiry. Because this comes from private-sector sources rather than a single official table, you should confirm your own visa's exact window on Hi Korea's e-application screen. Visa types that can't be filed online require a visit-by-appointment to your regional immigration office instead. Waiting until the last few days before expiry is risky: if your paperwork gets rejected for being incomplete, you may have only a few days left to refile, and that can tip straight into overstaying — applying with margin is the real point here.

This article summarizes official information and is not legal, medical, or financial advice.

If you don't know this: missing the window can tip you into overstaying before you realize it, and that record can work against you later when you apply for a further extension or a change of status.