The flight distance from Denis Island Airport (DEI) in Denis Island, Seychelles to Harry Reid International Airport (LAS) in Las Vegas, United States is 16,304 kilometers (10,131 miles / 8,804 nautical miles). The estimated flight time for this route is approximately 20h, flying north northwest at a heading of 346°.

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 United States. 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 21:04 in Denis Island, it's 09:04 in Las Vegas. With a 12-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 2,171 feet between the two airports. Harry Reid International Airport sits higher than Denis Island Airport.

The return flight from Las Vegas (LAS) to Denis Island (DEI) follows a heading of 17° (north 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 Denis Island Airport (DEI) and Harry Reid International Airport (LAS) detail pages, or use our flight duration calculator to compare other routes.