The flight distance from Los Alamos Airport (LAM) in Los Alamos, United States to Seattle-Tacoma International Airport (SEA) in Seattle, United States is 1,845 kilometers (1,147 miles / 996 nautical miles). The estimated flight time for this route is approximately 3h, flying northwest at a heading of 319°.

This is a medium-haul route that may be operated by either narrow-body or wide-body aircraft depending on demand. Passengers can expect a meal service on most carriers.

This is a domestic route within United States. Both airports operate in the same country, which may simplify travel requirements and documentation. Despite being a domestic route, there is a 1-hour time difference between the two cities.

Time zone information: When it's 08:47 in Los Alamos, it's 07:47 in Seattle.

There is a significant elevation difference of 6,739 feet between the two airports. Seattle-Tacoma International Airport sits lower than Los Alamos Airport. Travelers arriving at the higher-elevation airport should be aware of potential altitude effects.

The return flight from Seattle (SEA) to Los Alamos (LAM) follows a heading of 128° (southeast). Actual flight times may vary depending on wind conditions, air traffic, and the specific aircraft used.

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