The flight distance from Seattle-Tacoma International Airport (SEA) in Seattle, United States to Sullivan County Airport (SIV) in Sullivan, United States is 2,942 kilometers (1,828 miles / 1,589 nautical miles). The estimated flight time for this route is approximately 4h, flying east at a heading of 95°.

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 3-hour time difference between the two cities.

Time zone information: When it's 02:37 in Seattle, it's 05:37 in Sullivan. The 3-hour time difference may cause some jet lag. Most travelers adjust within a day or two.

The return flight from Sullivan (SIV) to Seattle (SEA) follows a heading of 300° (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 Sullivan County Airport (SIV) detail pages, or use our flight duration calculator to compare other routes.