The flight distance from Mariscal Lamar Airport (CUE) in Cuenca, Ecuador to London Heathrow Airport (LHR) in London, United Kingdom is 9,469 kilometers (5,884 miles / 5,113 nautical miles). The estimated flight time for this route is approximately 12h, flying northeast at a heading of 38°.

This is an ultra-long-haul route, one of the longest in aviation. It requires wide-body aircraft with extended range capability such as the Airbus A350-900ULR or Boeing 777-200LR. Passengers should prepare for an extended flight with multiple meal services.

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

Time zone information: When it's 17:01 in Cuenca, it's 22:01 in London. The 5-hour time difference may cause some jet lag. Most travelers adjust within a day or two.

There is a significant elevation difference of 8,223 feet between the two airports. London Heathrow Airport sits lower than Mariscal Lamar Airport. Travelers arriving at the higher-elevation airport should be aware of potential altitude effects.

The return flight from London (LHR) to Cuenca (CUE) follows a heading of 259° (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 Mariscal Lamar Airport (CUE) and London Heathrow Airport (LHR) detail pages, or use our flight duration calculator to compare other routes.