The flight distance from Comodoro Arturo Merino Benitez International Airport (SCL) in Santiago, Chile to Ust-Kut Airport (UKX) in Ust-Kut, Russia is 17,392 kilometers (10,807 miles / 9,391 nautical miles). The estimated flight time for this route is approximately 21h, flying north at a heading of 5°.

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 Chile with Russia. It is an intercontinental flight between South America and Europe. Travelers should check visa requirements, customs regulations, and any travel advisories before booking.

Time zone information: When it's 15:50 in Santiago, it's 03:50 in Ust-Kut. 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.

The return flight from Ust-Kut (UKX) to Santiago (SCL) follows a heading of 353° (north). Actual flight times may vary depending on wind conditions, air traffic, and the specific aircraft used.

For more information about these airports, visit the Comodoro Arturo Merino Benitez International Airport (SCL) and Ust-Kut Airport (UKX) detail pages, or use our flight duration calculator to compare other routes.