The flight distance from George Bush Intcntl/Houston Airport (IAH) in Houston, United States to Matsapha Airport (MTS) in Manzini, Eswatini is 14,822 kilometers (9,210 miles / 8,003 nautical miles). The estimated flight time for this route is approximately 18h, flying east at a heading of 99°.

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 Eswatini. 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 14:01 in Houston, it's 22:01 in Manzini. 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 1,979 feet between the two airports. Matsapha Airport sits higher than George Bush Intcntl/Houston Airport.

The return flight from Manzini (MTS) to Houston (IAH) follows a heading of 287° (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 Matsapha Airport (MTS) detail pages, or use our flight duration calculator to compare other routes.