The flight distance from Ilam Airport (IIL) in Ilam, Iran to Seattle-Tacoma International Airport (SEA) in Seattle, United States is 10,934 kilometers (6,794 miles / 5,904 nautical miles). The estimated flight time for this route is approximately 14h, flying north at a heading of 352°.

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 Iran 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 21:47 in Ilam, it's 10:17 in Seattle. With a 11.5-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 3,972 feet between the two airports. Seattle-Tacoma International Airport sits lower than Ilam Airport.

The return flight from Seattle (SEA) to Ilam (IIL) follows a heading of 9° (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 Ilam Airport (IIL) and Seattle-Tacoma International Airport (SEA) detail pages, or use our flight duration calculator to compare other routes.