The flight distance from Washington Dulles International Airport (IAD) in Washington, United States to Los Alamos Airport (LAM) in Los Alamos, United States is 2,553 kilometers (1,586 miles / 1,379 nautical miles). The estimated flight time for this route is approximately 4h, flying west at a heading of 271°.

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 2-hour time difference between the two cities.

Time zone information: When it's 09:20 in Washington, it's 07:20 in Los Alamos.

There is a significant elevation difference of 6,859 feet between the two airports. Los Alamos Airport sits higher than Washington Dulles International Airport. Travelers arriving at the higher-elevation airport should be aware of potential altitude effects.

The return flight from Los Alamos (LAM) to Washington (IAD) follows a heading of 74° (east 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 Washington Dulles International Airport (IAD) and Los Alamos Airport (LAM) detail pages, or use our flight duration calculator to compare other routes.