The flight distance from Altai Airport (LTI) in Altai, Mongolia to Seattle-Tacoma International Airport (SEA) in Seattle, United States is 8,930 kilometers (5,549 miles / 4,822 nautical miles). The estimated flight time for this route is approximately 12h, flying north northeast at a heading of 25°.

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 00:42 in Altai, it's 08:42 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 6,828 feet between the two airports. Seattle-Tacoma International Airport sits lower than Altai Airport. Travelers arriving at the higher-elevation airport should be aware of potential altitude effects.

The return flight from Seattle (SEA) to Altai (LTI) follows a heading of 334° (north 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 Altai Airport (LTI) and Seattle-Tacoma International Airport (SEA) detail pages, or use our flight duration calculator to compare other routes.