The flight distance from Singapore Changi International Airport (SIN) in Singapore, Singapore to Siguanea Airport (SZJ) in Isla de la Juventud, Cuba is 17,350 kilometers (10,780 miles / 9,368 nautical miles). The estimated flight time for this route is approximately 21h, flying north northeast at a heading of 16°.

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 Singapore with Cuba. 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 04:29 in Singapore, it's 15:29 in Isla de la Juventud. 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 Isla de la Juventud (SZJ) to Singapore (SIN) follows a heading of 343° (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 Singapore Changi International Airport (SIN) and Siguanea Airport (SZJ) detail pages, or use our flight duration calculator to compare other routes.