OSNmedium airport

Osan Air Base

Pyeongtaek, South Korea

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ICAO

RKSO

Elevation

38 ft

The gateway in a glance

The Essence of Osan Air Base

OSN

Location

Pyeongtaek · 41 · South Korea

Position

37.091°, 127.029° · 38 ft elev.

Visa & Entry

K-ETA, Visa-free entry (select countries)Official

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A closer look

Living guide content for Osan Air Base — read or listen in 46+ languages.

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TravelerPulse profile

Primary U.S. Air Force hub on the Korean Peninsula.

Opened

1952

Location

Pyeongtaek, South Korea

Osan Air Base is a United States Air Force installation located near Pyeongtaek, South Korea, approximately 65 kilometers south of Seoul. It serves as the headquarters of the 7th Air Force and hosts the 51st Fighter Wing, making it one of the most strategically significant American military air bases in the Pacific region. The base operates under a Status of Forces Agreement (SOFA) between the United States and South Korea, and it is not open to commercial civilian air traffic. It plays a critical role in deterrence on the Korean Peninsula and supports joint operations with the Republic of Korea Air Force. Osan Air Base has an IATA code (OSN) primarily for military and charter logistics purposes, not for scheduled commercial airline service. The base regularly supports U.S. military personnel movements, humanitarian missions, and regional security operations.

Getting to & from

Access to the base is restricted to authorized military and government personnel, with no public ground transportation links.

Airlines here

No commercial airlines operate at Osan Air Base; it is exclusively a U.S. and allied military installation.

Notable facts

›Headquarters of the 7th Air Force, the primary U.S. Air Force command in South Korea.
›Home to the 51st Fighter Wing, which operates F-16 Fighting Falcons and A-10 Thunderbolt IIs.
›The base was established during the Korean War in the early 1950s.
›Osan is frequently used as a transit point for U.S. government and military evacuations in the region.
›It is one of the most forward-deployed U.S. Air Force bases in the world.

Wikipedia

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Airlines serving this airport

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Routes

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Passport, Visa & Immigration

Flying internationally via OSN? Check entry, transit and customs requirements for South Korea from official government sources.

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Encyclopaedia

Osan Air Base is a United States Air Force (USAF) and Republic of Korea Air Force (ROKAF) base located near Songtan station in the city of Pyeongtaek, South Korea, 64 km (40 mi) south of Seoul. Despite its name, Osan AB is not within Osan City, which is 7.5 km (4.7 mi) to the north. The base is the home of the headquarters for Seventh Air Force, Pacific Air Forces' 51st Fighter Wing, and a number of tenant units. The base is also the headquarters of the Republic of Korea Air Force (ROKAF) Operations Command. Osan Air Base is also the departure and arrival point for U.S. government-contracted "Patriot Express" flights bringing service members and their family members to South Korea from Seattle-Tacoma International Airport in the U.S. state of Washington, Misawa Air Base and Yokota Air Base in Japan.

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