The flight distance from Dillon Airport (DLN) in Dillon, United States to Seattle-Tacoma International Airport (SEA) in Seattle, United States is 787 kilometers (489 miles / 425 nautical miles). The estimated flight time for this route is approximately 2h, flying west northwest at a heading of 292°.

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 02:10 in Dillon, it's 01:10 in Seattle.

There is a significant elevation difference of 4,812 feet between the two airports. Seattle-Tacoma International Airport sits lower than Dillon Airport. Travelers arriving at the higher-elevation airport should be aware of potential altitude effects.

The return flight from Seattle (SEA) to Dillon (DLN) follows a heading of 104° (east 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 Dillon Airport (DLN) and Seattle-Tacoma International Airport (SEA) detail pages, or use our flight duration calculator to compare other routes.