The flight distance from Las Americas International Airport (SDQ) in Santo Domingo, Dominican Republic to Seattle-Tacoma International Airport (SEA) in Seattle, United States is 5,729 kilometers (3,560 miles / 3,093 nautical miles). The estimated flight time for this route is approximately 8h, flying northwest at a heading of 317°.

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 an international route connecting Dominican Republic with United States. Travelers should check visa requirements, customs regulations, and any travel advisories before booking.

Time zone information: When it's 03:34 in Santo Domingo, it's 23:34 in Seattle. The 4-hour time difference may cause some jet lag. Most travelers adjust within a day or two.

The return flight from Seattle (SEA) to Santo Domingo (SDQ) follows a heading of 106° (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 Las Americas International Airport (SDQ) and Seattle-Tacoma International Airport (SEA) detail pages, or use our flight duration calculator to compare other routes.