The flight distance from Seattle-Tacoma International Airport (SEA) in Seattle, United States to Thompson Falls Airport (THM) in Thompson Falls, United States is 526 kilometers (327 miles / 284 nautical miles). The estimated flight time for this route is approximately 2h, flying east at a heading of 86°.

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 00:40 in Seattle, it's 01:40 in Thompson Falls.

There is a significant elevation difference of 2,035 feet between the two airports. Thompson Falls Airport sits higher than Seattle-Tacoma International Airport.

The return flight from Thompson Falls (THM) to Seattle (SEA) follows a heading of 271° (west). 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 Thompson Falls Airport (THM) detail pages, or use our flight duration calculator to compare other routes.