The flight distance from Ilopango International Airport (ILS) in San Salvador, El Salvador to San Francisco International Airport (SFO) in San Francisco, United States is 4,225 kilometers (2,625 miles / 2,281 nautical miles). The estimated flight time for this route is approximately 6h, flying northwest at a heading of 315°.

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 02:31 in San Salvador, it's 00:31 in San Francisco.

There is a significant elevation difference of 2,008 feet between the two airports. San Francisco International Airport sits lower than Ilopango International Airport.

The return flight from San Francisco (SFO) to San Salvador (ILS) follows a heading of 120° (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 Ilopango International Airport (ILS) and San Francisco International Airport (SFO) detail pages, or use our flight duration calculator to compare other routes.