The flight distance from Ilopango International Airport (ILS) in San Salvador, El Salvador to Seattle-Tacoma International Airport (SEA) in Seattle, United States is 4,847 kilometers (3,012 miles / 2,617 nautical miles). The estimated flight time for this route is approximately 7h, flying north northwest at a heading of 328°.

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

Time zone information: When it's 03:09 in San Salvador, it's 01:09 in Seattle.

There is a significant elevation difference of 1,589 feet between the two airports. Seattle-Tacoma International Airport sits lower than Ilopango International Airport.

The return flight from Seattle (SEA) to San Salvador (ILS) follows a heading of 130° (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 Ilopango International Airport (ILS) and Seattle-Tacoma International Airport (SEA) detail pages, or use our flight duration calculator to compare other routes.