The flight distance from Lanseria Airport (HLA) in Johannesburg, South Africa to George Bush Intcntl/Houston Airport (IAH) in Houston, United States is 14,481 kilometers (8,998 miles / 7,819 nautical miles). The estimated flight time for this route is approximately 18h, flying west northwest at a heading of 288°.

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

Time zone information: When it's 14:00 in Johannesburg, it's 06:00 in Houston. 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 4,421 feet between the two airports. George Bush Intcntl/Houston Airport sits lower than Lanseria Airport.

The return flight from Houston (IAH) to Johannesburg (HLA) follows a heading of 100° (east). Actual flight times may vary depending on wind conditions, air traffic, and the specific aircraft used.

For more information about these airports, visit the Lanseria Airport (HLA) and George Bush Intcntl/Houston Airport (IAH) detail pages, or use our flight duration calculator to compare other routes.