The flight distance from London Heathrow Airport (LHR) in London, United Kingdom to Lethem Airport (LTM) in Lethem, Guyana is 7,640 kilometers (4,747 miles / 4,125 nautical miles). The estimated flight time for this route is approximately 10h, flying west southwest at a heading of 247°.

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

Time zone information: When it's 10:29 in London, it's 06:29 in Lethem. The 4-hour time difference may cause some jet lag. Most travelers adjust within a day or two.

The return flight from Lethem (LTM) to London (LHR) follows a heading of 35° (northeast). Actual flight times may vary depending on wind conditions, air traffic, and the specific aircraft used.

For more information about these airports, visit the London Heathrow Airport (LHR) and Lethem Airport (LTM) detail pages, or use our flight duration calculator to compare other routes.