The flight distance from Tte. Julio Gallardo Airport (PNT) in Puerto Natales, Chile to St Louis Lambert International Airport (STL) in St Louis, United States is 10,202 kilometers (6,340 miles / 5,509 nautical miles). The estimated flight time for this route is approximately 13h, 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 Chile with United States. It is an intercontinental flight between South America and North America. Travelers should check visa requirements, customs regulations, and any travel advisories before booking.

Time zone information: When it's 01:24 in Puerto Natales, it's 22:24 in St Louis. The 3-hour time difference may cause some jet lag. Most travelers adjust within a day or two.

The return flight from St Louis (STL) to Puerto Natales (PNT) follows a heading of 169° (south). Actual flight times may vary depending on wind conditions, air traffic, and the specific aircraft used.

For more information about these airports, visit the Tte. Julio Gallardo Airport (PNT) and St Louis Lambert International Airport (STL) detail pages, or use our flight duration calculator to compare other routes.