The flight distance from Cheyenne Regional/Jerry Olson Field (CYS) in Cheyenne, United States to Washington Dulles International Airport (IAD) in Washington, United States is 2,329 kilometers (1,447 miles / 1,258 nautical miles). The estimated flight time for this route is approximately 4h, flying east at a heading of 87°.

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 2-hour time difference between the two cities.

Time zone information: When it's 21:44 in Cheyenne, it's 23:44 in Washington.

There is a significant elevation difference of 5,848 feet between the two airports. Washington Dulles International Airport sits lower than Cheyenne Regional/Jerry Olson Field. Travelers arriving at the higher-elevation airport should be aware of potential altitude effects.

The return flight from Washington (IAD) to Cheyenne (CYS) follows a heading of 285° (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 Cheyenne Regional/Jerry Olson Field (CYS) and Washington Dulles International Airport (IAD) detail pages, or use our flight duration calculator to compare other routes.