The flight distance from George Bush Intcntl/Houston Airport (IAH) in Houston, United States to Kenneth Kaunda International Airport (LUN) in Lusaka, Zambia is 14,081 kilometers (8,750 miles / 7,603 nautical miles). The estimated flight time for this route is approximately 18h, flying east at a heading of 87°.

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 United States with Zambia. It is an intercontinental flight between North America and Africa. Travelers should check visa requirements, customs regulations, and any travel advisories before booking.

Time zone information: When it's 01:33 in Houston, it's 09:33 in Lusaka. With a 8-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 3,683 feet between the two airports. Kenneth Kaunda International Airport sits higher than George Bush Intcntl/Houston Airport.

The return flight from Lusaka (LUN) to Houston (IAH) follows a heading of 296° (west 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 George Bush Intcntl/Houston Airport (IAH) and Kenneth Kaunda International Airport (LUN) detail pages, or use our flight duration calculator to compare other routes.