The flight distance from George Bush Intcntl/Houston Airport (IAH) in Houston, United States to Kalabo Airport (KLB) in Kalabo, Zambia is 13,506 kilometers (8,393 miles / 7,293 nautical miles). The estimated flight time for this route is approximately 17h, flying east at a heading of 90°.

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 11:19 in Houston, it's 18:19 in Kalabo. With a 7-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 3,354 feet between the two airports. Kalabo Airport sits higher than George Bush Intcntl/Houston Airport.

The return flight from Kalabo (KLB) 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 Kalabo Airport (KLB) detail pages, or use our flight duration calculator to compare other routes.