The flight distance from Jose De San Martin Airport (JSM) in Chubut, Argentina to London Stansted Airport (STN) in London, United Kingdom is 12,632 kilometers (7,849 miles / 6,821 nautical miles). The estimated flight time for this route is approximately 16h, flying northeast at a heading of 39°.

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 Argentina with United Kingdom. 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 08:38 in Chubut, it's 11:38 in London. The 3-hour time difference may cause some jet lag. Most travelers adjust within a day or two.

There is a significant elevation difference of 2,059 feet between the two airports. London Stansted Airport sits lower than Jose De San Martin Airport.

The return flight from London (STN) to Chubut (JSM) follows a heading of 228° (southwest). Actual flight times may vary depending on wind conditions, air traffic, and the specific aircraft used.

For more information about these airports, visit the Jose De San Martin Airport (JSM) and London Stansted Airport (STN) detail pages, or use our flight duration calculator to compare other routes.