The flight distance from London Heathrow Airport (LHR) in London, United Kingdom to Ban Huoeisay Airport (OUI) in Ban Huoeisay Airport, Laos is 8,981 kilometers (5,581 miles / 4,850 nautical miles). The estimated flight time for this route is approximately 12h, flying east northeast at a heading of 69°.

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

Time zone information: When it's 02:23 in London, it's 08:23 in Ban Huoeisay Airport. 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 1,297 feet between the two airports. Ban Huoeisay Airport sits higher than London Heathrow Airport.

The return flight from Ban Huoeisay Airport (OUI) to London (LHR) follows a heading of 322° (northwest). 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 Ban Huoeisay Airport (OUI) detail pages, or use our flight duration calculator to compare other routes.