The flight distance from Heihe Airport (HEK) in Heihe, China to Incheon International Airport (ICN) in Seoul, South Korea is 1,414 kilometers (879 miles / 763 nautical miles). The estimated flight time for this route is approximately 3h, flying south at a heading of 183°.

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 China with South Korea. Travelers should check visa requirements, customs regulations, and any travel advisories before booking.

Time zone information: When it's 09:10 in Heihe, it's 10:10 in Seoul.

There is a significant elevation difference of 8,507 feet between the two airports. Incheon International Airport sits lower than Heihe Airport. Travelers arriving at the higher-elevation airport should be aware of potential altitude effects.

The return flight from Seoul (ICN) to Heihe (HEK) follows a heading of 3° (north). Actual flight times may vary depending on wind conditions, air traffic, and the specific aircraft used.

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