The flight distance from Seattle-Tacoma International Airport (SEA) in Seattle, United States to Tekin Airport (TKW) in Tekin, Papua New Guinea is 10,851 kilometers (6,743 miles / 5,859 nautical miles). The estimated flight time for this route is approximately 14h, flying west at a heading of 271°.

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 United States with Papua New Guinea. It is an intercontinental flight between North America and Oceania. Travelers should check visa requirements, customs regulations, and any travel advisories before booking.

Time zone information: When it's 00:54 in Seattle, it's 18:54 in Tekin. With a 18-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 5,353 feet between the two airports. Tekin Airport sits higher than Seattle-Tacoma International Airport. Travelers arriving at the higher-elevation airport should be aware of potential altitude effects.

The return flight from Tekin (TKW) to Seattle (SEA) 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 Seattle-Tacoma International Airport (SEA) and Tekin Airport (TKW) detail pages, or use our flight duration calculator to compare other routes.