The flight distance from Ilopango International Airport (ILS) in San Salvador, El Salvador to London Heathrow Airport (LHR) in London, United Kingdom is 8,728 kilometers (5,424 miles / 4,713 nautical miles). The estimated flight time for this route is approximately 11h, flying northeast at a heading of 39°.

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 Kingdom. It is an intercontinental flight between North America and Europe. Travelers should check visa requirements, customs regulations, and any travel advisories before booking.

Time zone information: When it's 12:25 in San Salvador, it's 18:25 in London. With a 6-hour time difference, travelers should plan for significant jet lag. It typically takes one day per hour of time difference to fully adjust.

There is a significant elevation difference of 1,938 feet between the two airports. London Heathrow Airport sits lower than Ilopango International Airport.

The return flight from London (LHR) to San Salvador (ILS) follows a heading of 278° (west). 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 London Heathrow Airport (LHR) detail pages, or use our flight duration calculator to compare other routes.