The flight distance from Seattle-Tacoma International Airport (SEA) in Seattle, United States to Lemhi County Airport (SMN) in Salmon, United States is 697 kilometers (433 miles / 376 nautical miles). The estimated flight time for this route is approximately 2h, flying east southeast at a heading of 109°.

This is a short-haul route typically served by narrow-body aircraft such as the Boeing 737 or Airbus A320 family. In-flight service is usually limited to drinks and light snacks.

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 15:59 in Seattle, it's 16:59 in Salmon.

There is a significant elevation difference of 3,612 feet between the two airports. Lemhi County Airport sits higher than Seattle-Tacoma International Airport.

The return flight from Salmon (SMN) to Seattle (SEA) follows a heading of 295° (west 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 Seattle-Tacoma International Airport (SEA) and Lemhi County Airport (SMN) detail pages, or use our flight duration calculator to compare other routes.