The flight distance from Grants-Milan Municipal Airport (GNT) in Grants, United States to George Bush Intcntl/Houston Airport (IAH) in Houston, United States is 1,309 kilometers (814 miles / 707 nautical miles). The estimated flight time for this route is approximately 3h, flying east southeast at a heading of 113°.

This is a short-haul route typically served by narrow-body aircraft such as the Boeing 737 or Airbus A320 family. In-flight service is usually limited to drinks and light snacks.

This is a domestic route within United States. Both airports operate in the same country, which may simplify travel requirements and documentation. Despite being a domestic route, there is a 1-hour time difference between the two cities.

Time zone information: When it's 19:54 in Grants, it's 20:54 in Houston.

There is a significant elevation difference of 6,441 feet between the two airports. George Bush Intcntl/Houston Airport sits lower than Grants-Milan Municipal Airport. Travelers arriving at the higher-elevation airport should be aware of potential altitude effects.

The return flight from Houston (IAH) to Grants (GNT) follows a heading of 299° (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 Grants-Milan Municipal Airport (GNT) and George Bush Intcntl/Houston Airport (IAH) detail pages, or use our flight duration calculator to compare other routes.