The flight distance from Washington Dulles International Airport (IAD) in Washington, United States to George Bush Intcntl/Houston Airport (IAH) in Houston, United States is 1,908 kilometers (1,186 miles / 1,030 nautical miles). The estimated flight time for this route is approximately 3h, flying west southwest at a heading of 244°.

This is a medium-haul route that may be operated by either narrow-body or wide-body aircraft depending on demand. Passengers can expect a meal service on most carriers.

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 02:05 in Washington, it's 01:05 in Houston.

The return flight from Houston (IAH) to Washington (IAD) follows a heading of 54° (northeast). Actual flight times may vary depending on wind conditions, air traffic, and the specific aircraft used.

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