Most international travellers connecting through Incheon Airport do not need a transit visa. But some nationalities do. Here is who requires one, how to check, and how to apply.
Incheon International Airport is one of Asia’s busiest transit hubs. Millions of passengers connect through Incheon each year to and from North America, Europe, Southeast Asia, and Oceania. The Korean government has streamlined transit rules to facilitate this traffic, but specific nationalities remain subject to transit visa requirements.
Airside Transit – Staying in the Secured International Zone
If you remain in the secured airside area (beyond passport control) and your connecting flight is within 24 hours, most nationalities do not need any documentation beyond your boarding pass and onward ticket. You do not clear Korean immigration and do not formally enter Korea.
No special visa or permit is required for airside transit for most nationalities. If you never leave the departure area, Korean immigration does not apply.
Landside Transit – Exiting to Visit Seoul or Incheon
If you want to leave the airport to visit Seoul, Incheon City, or the surrounding areas during a long layover, you must clear Korean immigration and formally enter Korea. This requires either:
- Visa-free entry: If your nationality qualifies for visa-free entry (check the Korea visa-free guide), you can exit the airport and re-enter as long as you return before your flight.
- A valid Korean visa: C-3 tourist visa or equivalent.
- Transit visa (B-2): For specific nationalities that do not qualify for visa-free entry.
Who Needs a Korea Transit Visa
Nationals of a limited number of countries require a B-2 transit visa, even for airside transit (i.e., remaining in the international zone). This list changes periodically and is determined by Korean immigration policy. Check the current list at the Korea Ministry of Justice website (immigration.go.kr) or with the Korean embassy in your country.
Countries that have historically required transit visas include some African nations and certain countries with elevated concerns about irregular migration. Western nations, Japan, most of Southeast Asia, and most of South America generally do not require transit visas.
B-2 Transit Visa Application
If you require a B-2 transit visa:
- Apply: At the Korean embassy in your country before travel.
- Documents: Passport, onward ticket, transit visa application form, and fee.
- Processing: Several days to weeks. Apply well in advance.
- Validity: The B-2 transit visa permits transit through Korea, not tourism. If you want to exit the airport and visit Seoul, you need a C-3 tourist visa instead.
Incheon Stopover Program
Incheon Airport runs a free Stopover Tourist Programme for eligible nationalities transiting for 24 hours or more. This allows a guided tour of Korean attractions during the layover at no charge. Check availability at the Incheon Airport website or at the tourism information desks in the arrivals hall.

