The flight distance from Unalaska Airport (DUT) in Unalaska, United States to Washington Dulles International Airport (IAD) in Washington, United States is 6,561 kilometers (4,077 miles / 3,543 nautical miles). The estimated flight time for this route is approximately 9h, flying east northeast at a heading of 65°.

This is a long-haul route typically operated by wide-body aircraft such as the Boeing 777 or Airbus A350. Full meal service, in-flight entertainment, and comfort amenities are standard.

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 4-hour time difference between the two cities.

Time zone information: When it's 02:12 in Unalaska, it's 06:12 in Washington. The 4-hour time difference may cause some jet lag. Most travelers adjust within a day or two.

The return flight from Washington (IAD) to Unalaska (DUT) follows a heading of 317° (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 Unalaska Airport (DUT) and Washington Dulles International Airport (IAD) detail pages, or use our flight duration calculator to compare other routes.