The flight distance from Lhasa Gonggar Airport (LXA) in Lhasa, China to St Louis Lambert International Airport (STL) in St Louis, United States is 12,447 kilometers (7,734 miles / 6,721 nautical miles). The estimated flight time for this route is approximately 16h, flying north at a heading of 1°.

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

Time zone information: When it's 07:34 in Lhasa, it's 18:34 in St Louis. With a 13-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 12,519 feet between the two airports. St Louis Lambert International Airport sits lower than Lhasa Gonggar Airport. Travelers arriving at the higher-elevation airport should be aware of potential altitude effects.

The return flight from St Louis (STL) to Lhasa (LXA) follows a heading of 359° (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 Lhasa Gonggar Airport (LXA) and St Louis Lambert International Airport (STL) detail pages, or use our flight duration calculator to compare other routes.