The flight distance from Asmara International Airport (ASM) in Asmara, Eritrea to Juan Santamaria International Airport (SJO) in San Jose, Costa Rica is 13,149 kilometers (8,170 miles / 7,100 nautical miles). The estimated flight time for this route is approximately 16h, flying west northwest at a heading of 291°.

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 Eritrea 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 07:15 in Asmara, it's 22:15 in San Jose. 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.

There is a significant elevation difference of 4,640 feet between the two airports. Juan Santamaria International Airport sits lower than Asmara International Airport. Travelers arriving at the higher-elevation airport should be aware of potential altitude effects.

The return flight from San Jose (SJO) to Asmara (ASM) follows a heading of 67° (east 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 Asmara International Airport (ASM) and Juan Santamaria International Airport (SJO) detail pages, or use our flight duration calculator to compare other routes.