The flight distance from Wilmington International Airport (ILM) in Wilmington, United States to Seattle-Tacoma International Airport (SEA) in Seattle, United States is 3,948 kilometers (2,453 miles / 2,132 nautical miles). The estimated flight time for this route is approximately 6h, flying northwest at a heading of 305°.

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 04:35 in Wilmington, it's 01:35 in Seattle. The 3-hour time difference may cause some jet lag. Most travelers adjust within a day or two.

The return flight from Seattle (SEA) to Wilmington (ILM) follows a heading of 95° (east). Actual flight times may vary depending on wind conditions, air traffic, and the specific aircraft used.

For more information about these airports, visit the Wilmington International Airport (ILM) and Seattle-Tacoma International Airport (SEA) detail pages, or use our flight duration calculator to compare other routes.