The flight distance from Incheon International Airport (ICN) in Seoul, South Korea to Saint John Airport (YSJ) in Saint John, Canada is 10,727 kilometers (6,665 miles / 5,792 nautical miles). The estimated flight time for this route is approximately 14h, flying north at a heading of 9°.

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 Canada. 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 12:56 in Seoul, it's 23:56 in Saint John. With a 13-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 Saint John (YSJ) to Seoul (ICN) follows a heading of 350° (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 Incheon International Airport (ICN) and Saint John Airport (YSJ) detail pages, or use our flight duration calculator to compare other routes.