The flight distance from Incheon International Airport (ICN) in Seoul, South Korea to Tonghua Sanyuanpu Airport (TNH) in Tonghua, China is 535 kilometers (333 miles / 289 nautical miles). The estimated flight time for this route is approximately 2h, flying north at a heading of 353°.

This is a short-haul route typically served by narrow-body aircraft such as the Boeing 737 or Airbus A320 family. In-flight service is usually limited to drinks and light snacks.

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

Time zone information: When it's 05:16 in Seoul, it's 04:16 in Tonghua.

There is a significant elevation difference of 1,177 feet between the two airports. Tonghua Sanyuanpu Airport sits higher than Incheon International Airport.

The return flight from Tonghua (TNH) to Seoul (ICN) follows a heading of 173° (south). 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 Tonghua Sanyuanpu Airport (TNH) detail pages, or use our flight duration calculator to compare other routes.