The flight distance from Los Angeles International Airport (LAX) in Los Angeles, United States to Libertador Gral D Jose De San Martin Airport (PSS) in Posadas, Argentina is 9,472 kilometers (5,886 miles / 5,114 nautical miles). The estimated flight time for this route is approximately 12h, flying southeast at a heading of 128°.

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 United States with Argentina. It is an intercontinental flight between North America and South America. Travelers should check visa requirements, customs regulations, and any travel advisories before booking.

Time zone information: When it's 14:25 in Los Angeles, it's 18:25 in Posadas. The 4-hour time difference may cause some jet lag. Most travelers adjust within a day or two.

The return flight from Posadas (PSS) to Los Angeles (LAX) follows a heading of 312° (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 Los Angeles International Airport (LAX) and Libertador Gral D Jose De San Martin Airport (PSS) detail pages, or use our flight duration calculator to compare other routes.