The flight distance from Dublin Airport (DUB) in Dublin, Ireland to Fort Smith Regional Airport (FSM) in Fort Smith, United States is 6,819 kilometers (4,237 miles / 3,682 nautical miles). The estimated flight time for this route is approximately 9h, flying west northwest at a heading of 292°.

This is a long-haul route typically operated by wide-body aircraft such as the Boeing 777 or Airbus A350. Full meal service, in-flight entertainment, and comfort amenities are standard.

This is an international route connecting Ireland with United States. It is an intercontinental flight between Europe and North America. Travelers should check visa requirements, customs regulations, and any travel advisories before booking.

Time zone information: When it's 13:00 in Dublin, it's 07:00 in Fort Smith. With a 6-hour time difference, travelers should plan for significant jet lag. It typically takes one day per hour of time difference to fully adjust.

The return flight from Fort Smith (FSM) to Dublin (DUB) follows a heading of 43° (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 Dublin Airport (DUB) and Fort Smith Regional Airport (FSM) detail pages, or use our flight duration calculator to compare other routes.