The flight distance from Incheon International Airport (ICN) in Seoul, South Korea to Tainan Airport (TNN) in Tainan City, Taiwan is 1,721 kilometers (1,069 miles / 929 nautical miles). The estimated flight time for this route is approximately 3h, flying south southwest at a heading of 202°.

This is a medium-haul route that may be operated by either narrow-body or wide-body aircraft depending on demand. Passengers can expect a meal service on most carriers.

This is an international route connecting South Korea with Taiwan. Travelers should check visa requirements, customs regulations, and any travel advisories before booking.

Time zone information: When it's 21:12 in Seoul, it's 20:12 in Tainan City.

The return flight from Tainan City (TNN) to Seoul (ICN) follows a heading of 19° (north northeast). Actual flight times may vary depending on wind conditions, air traffic, and the specific aircraft used.

For more information about these airports, visit the Incheon International Airport (ICN) and Tainan Airport (TNN) detail pages, or use our flight duration calculator to compare other routes.