The flight distance from Jorge Newbery Airpark (AEP) in Buenos Aires, Argentina to Helena Regional Airport (HLN) in Helena, United States is 10,493 kilometers (6,520 miles / 5,666 nautical miles). The estimated flight time for this route is approximately 13h, flying north northwest at a heading of 326°.

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 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 04:57 in Buenos Aires, it's 01:57 in Helena. 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 3,859 feet between the two airports. Helena Regional Airport sits higher than Jorge Newbery Airpark.

The return flight from Helena (HLN) to Buenos Aires (AEP) follows a heading of 138° (southeast). Actual flight times may vary depending on wind conditions, air traffic, and the specific aircraft used.

For more information about these airports, visit the Jorge Newbery Airpark (AEP) and Helena Regional Airport (HLN) detail pages, or use our flight duration calculator to compare other routes.