The flight distance from A-306 Airport (QUN) in Chun Chon City, South Korea to Juan Santamaria International Airport (SJO) in San Jose, Costa Rica is 13,742 kilometers (8,539 miles / 7,420 nautical miles). The estimated flight time for this route is approximately 17h, flying northeast at a heading of 39°.

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 Costa Rica. 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 06:25 in Chun Chon City, it's 15:25 in San Jose. With a 15-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 2,776 feet between the two airports. Juan Santamaria International Airport sits higher than A-306 Airport.

The return flight from San Jose (SJO) to Chun Chon City (QUN) follows a heading of 330° (north 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 A-306 Airport (QUN) and Juan Santamaria International Airport (SJO) detail pages, or use our flight duration calculator to compare other routes.