The flight distance from Choibalsan Airport (COQ) in Choibalsan Airport, Mongolia to Seattle-Tacoma International Airport (SEA) in Seattle, United States is 8,049 kilometers (5,001 miles / 4,346 nautical miles). The estimated flight time for this route is approximately 10h, flying northeast at a heading of 36°.

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 Mongolia 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 10:33 in Choibalsan Airport, it's 18:33 in Seattle. With a 16-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 2,025 feet between the two airports. Seattle-Tacoma International Airport sits lower than Choibalsan Airport.

The return flight from Seattle (SEA) to Choibalsan Airport (COQ) follows a heading of 324° (northwest). Actual flight times may vary depending on wind conditions, air traffic, and the specific aircraft used.

For more information about these airports, visit the Choibalsan Airport (COQ) and Seattle-Tacoma International Airport (SEA) detail pages, or use our flight duration calculator to compare other routes.