The flight distance from Long Island Mac Arthur Airport (ISP) in New York, United States to Seattle-Tacoma International Airport (SEA) in Seattle, United States is 3,929 kilometers (2,441 miles / 2,122 nautical miles). The estimated flight time for this route is approximately 6h, flying west northwest at a heading of 298°.

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 14:27 in New York, it's 11:27 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 New York (ISP) follows a heading of 82° (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 Long Island Mac Arthur Airport (ISP) and Seattle-Tacoma International Airport (SEA) detail pages, or use our flight duration calculator to compare other routes.