The flight distance from Piarco International Airport (POS) in Port of Spain, Trinidad and Tobago to Seattle-Tacoma International Airport (SEA) in Seattle, United States is 6,976 kilometers (4,335 miles / 3,767 nautical miles). The estimated flight time for this route is approximately 9h, flying northwest at a heading of 318°.

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 Trinidad and Tobago with United States. Travelers should check visa requirements, customs regulations, and any travel advisories before booking.

Time zone information: When it's 01:49 in Port of Spain, it's 21:49 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 Port of Spain (POS) follows a heading of 105° (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 Piarco International Airport (POS) and Seattle-Tacoma International Airport (SEA) detail pages, or use our flight duration calculator to compare other routes.