The flight distance from Incheon International Airport (ICN) in Seoul, South Korea to Francisco de Sa Carneiro Airport (OPO) in Porto, Portugal is 10,146 kilometers (6,305 miles / 5,479 nautical miles). The estimated flight time for this route is approximately 13h, flying north northwest at a heading of 328°.

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

Time zone information: When it's 12:22 in Seoul, it's 03:22 in Porto. 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 Porto (OPO) to Seoul (ICN) follows a heading of 34° (northeast). 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 Francisco de Sa Carneiro Airport (OPO) detail pages, or use our flight duration calculator to compare other routes.