The flight distance from Washington Dulles International Airport (IAD) in Washington, United States to San Antonio International Airport (SAT) in San Antonio, United States is 2,184 kilometers (1,357 miles / 1,179 nautical miles). The estimated flight time for this route is approximately 4h, flying west southwest at a heading of 248°.

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 16:24 in Washington, it's 15:24 in San Antonio.

The return flight from San Antonio (SAT) to Washington (IAD) follows a heading of 56° (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 San Antonio International Airport (SAT) detail pages, or use our flight duration calculator to compare other routes.