The flight distance from St Gallen Altenrhein Airport (ACH) in Altenrhein, Switzerland to Incheon International Airport (ICN) in Seoul, South Korea is 8,687 kilometers (5,398 miles / 4,691 nautical miles). The estimated flight time for this route is approximately 11h, flying northeast at a heading of 46°.

This is a long-haul route typically operated by wide-body aircraft such as the Boeing 777 or Airbus A350. Full meal service, in-flight entertainment, and comfort amenities are standard.

This is an international route connecting Switzerland with South Korea. It is an intercontinental flight between Europe and Asia. Travelers should check visa requirements, customs regulations, and any travel advisories before booking.

Time zone information: When it's 15:58 in Altenrhein, it's 23:58 in Seoul. With a 8-hour time difference, travelers should plan for significant jet lag. It typically takes one day per hour of time difference to fully adjust.

There is a significant elevation difference of 1,283 feet between the two airports. Incheon International Airport sits lower than St Gallen Altenrhein Airport.

The return flight from Seoul (ICN) to Altenrhein (ACH) follows a heading of 322° (northwest). Actual flight times may vary depending on wind conditions, air traffic, and the specific aircraft used.

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