The flight distance from Sofia Airport (SOF) in Sofia, Bulgaria to Union Glacier Blue-Ice Runway (UGL) in Antartica, AQ is 14,992 kilometers (9,315 miles / 8,095 nautical miles). The estimated flight time for this route is approximately 19h, flying south southwest at a heading of 194°.

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 Bulgaria with AQ. Travelers should check visa requirements, customs regulations, and any travel advisories before booking.

Time zone information: When it's 01:30 in Sofia, it's 20:30 in Antartica. The 5-hour time difference may cause some jet lag. Most travelers adjust within a day or two.

The return flight from Antartica (UGL) to Sofia (SOF) follows a heading of 97° (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 Sofia Airport (SOF) and Union Glacier Blue-Ice Runway (UGL) detail pages, or use our flight duration calculator to compare other routes.