The flight distance from Denis Island Airport (DEI) in Denis Island, Seychelles to Juan Santamaria International Airport (SJO) in San Jose, Costa Rica is 15,537 kilometers (9,654 miles / 8,389 nautical miles). The estimated flight time for this route is approximately 19h, flying west at a heading of 281°.

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 Seychelles with Costa Rica. It is an intercontinental flight between Africa and North America. Travelers should check visa requirements, customs regulations, and any travel advisories before booking.

Time zone information: When it's 17:10 in Denis Island, it's 07:10 in San Jose. With a 10-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 3,011 feet between the two airports. Juan Santamaria International Airport sits higher than Denis Island Airport.

The return flight from San Jose (SJO) to Denis Island (DEI) follows a heading of 84° (east). Actual flight times may vary depending on wind conditions, air traffic, and the specific aircraft used.

For more information about these airports, visit the Denis Island Airport (DEI) and Juan Santamaria International Airport (SJO) detail pages, or use our flight duration calculator to compare other routes.