The flight distance from Incheon International Airport (ICN) in Seoul, South Korea to Felts Field (SFF) in Spokane, United States is 8,636 kilometers (5,366 miles / 4,663 nautical miles). The estimated flight time for this route is approximately 11h, flying northeast at a heading of 38°.

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 South Korea with United States. It is an intercontinental flight between Asia and North America. Travelers should check visa requirements, customs regulations, and any travel advisories before booking.

Time zone information: When it's 03:53 in Seoul, it's 10:53 in Spokane. With a 17-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 1,934 feet between the two airports. Felts Field sits higher than Incheon International Airport.

The return flight from Spokane (SFF) to Seoul (ICN) follows a heading of 313° (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 Incheon International Airport (ICN) and Felts Field (SFF) detail pages, or use our flight duration calculator to compare other routes.