The flight distance from Hartsfield - Jackson Atlanta International Airport (ATL) in Atlanta, United States to Boeing Field/King County International Airport (BFI) in Seattle, United States is 3,506 kilometers (2,178 miles / 1,893 nautical miles). The estimated flight time for this route is approximately 5h, flying northwest at a heading of 308°.

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 21:18 in Atlanta, it's 18:18 in Seattle. The 3-hour time difference may cause some jet lag. Most travelers adjust within a day or two.

There is a significant elevation difference of 1,005 feet between the two airports. Boeing Field/King County International Airport sits lower than Hartsfield - Jackson Atlanta International Airport.

The return flight from Seattle (BFI) to Atlanta (ATL) follows a heading of 102° (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 Hartsfield - Jackson Atlanta International Airport (ATL) and Boeing Field/King County International Airport (BFI) detail pages, or use our flight duration calculator to compare other routes.