The flight distance from Idaho Falls Regional Airport (IDA) in Idaho Falls, United States to Seattle-Tacoma International Airport (SEA) in Seattle, United States is 910 kilometers (565 miles / 491 nautical miles). The estimated flight time for this route is approximately 2h, flying west northwest at a heading of 302°.

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 11:34 in Idaho Falls, it's 10:34 in Seattle.

There is a significant elevation difference of 4,311 feet between the two airports. Seattle-Tacoma International Airport sits lower than Idaho Falls Regional Airport.

The return flight from Seattle (SEA) to Idaho Falls (IDA) follows a heading of 115° (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 Idaho Falls Regional Airport (IDA) and Seattle-Tacoma International Airport (SEA) detail pages, or use our flight duration calculator to compare other routes.