The flight distance from Helsinki Vantaa Airport (HEL) in Helsinki, Finland to Antoine De St Exupery Airport (OES) in San Antonio Oeste, Argentina is 13,849 kilometers (8,605 miles / 7,478 nautical miles). The estimated flight time for this route is approximately 17h, flying west southwest at a heading of 247°.

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

Time zone information: When it's 04:10 in Helsinki, it's 23:10 in San Antonio Oeste. The 5-hour time difference may cause some jet lag. Most travelers adjust within a day or two.

The return flight from San Antonio Oeste (OES) to Helsinki (HEL) follows a heading of 37° (northeast). Actual flight times may vary depending on wind conditions, air traffic, and the specific aircraft used.

For more information about these airports, visit the Helsinki Vantaa Airport (HEL) and Antoine De St Exupery Airport (OES) detail pages, or use our flight duration calculator to compare other routes.