The flight distance from George Bush Intcntl/Houston Airport (IAH) in Houston, United States to Nursultan Nazarbayev International Airport (NQZ) in Astana, Kazakhstan is 10,916 kilometers (6,783 miles / 5,894 nautical miles). The estimated flight time for this route is approximately 14h, flying north at a heading of 8°.

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

Time zone information: When it's 17:51 in Houston, it's 03:51 in Astana. With a 10-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 1,070 feet between the two airports. Nursultan Nazarbayev International Airport sits higher than George Bush Intcntl/Houston Airport.

The return flight from Astana (NQZ) to Houston (IAH) follows a heading of 348° (north 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 Nursultan Nazarbayev International Airport (NQZ) detail pages, or use our flight duration calculator to compare other routes.