The flight distance from Watertown Regional Airport (ATY) in Watertown, United States to Seattle-Tacoma International Airport (SEA) in Seattle, United States is 1,949 kilometers (1,211 miles / 1,052 nautical miles). The estimated flight time for this route is approximately 3h, flying west northwest at a heading of 287°.

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 2-hour time difference between the two cities.

Time zone information: When it's 04:10 in Watertown, it's 02:10 in Seattle.

There is a significant elevation difference of 1,317 feet between the two airports. Seattle-Tacoma International Airport sits lower than Watertown Regional Airport.

The return flight from Seattle (SEA) to Watertown (ATY) follows a heading of 89° (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 Watertown Regional Airport (ATY) and Seattle-Tacoma International Airport (SEA) detail pages, or use our flight duration calculator to compare other routes.