The flight distance from RAF Ascension Island (ASI) in Ascension Island, SH to Incheon International Airport (ICN) in Seoul, South Korea is 14,893 kilometers (9,254 miles / 8,041 nautical miles). The estimated flight time for this route is approximately 19h, flying northeast at a heading of 44°.

This is an ultra-long-haul route, one of the longest in aviation. It requires wide-body aircraft with extended range capability such as the Airbus A350-900ULR or Boeing 777-200LR. Passengers should prepare for an extended flight with multiple meal services.

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

Time zone information: When it's 14:59 in Ascension Island, it's 23:59 in Seoul. With a 9-hour time difference, travelers should plan for significant jet lag. It typically takes one day per hour of time difference to fully adjust.

The return flight from Seoul (ICN) to Ascension Island (ASI) follows a heading of 300° (west 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 RAF Ascension Island (ASI) and Incheon International Airport (ICN) detail pages, or use our flight duration calculator to compare other routes.