The flight distance from Casper/Natrona County International Airport (CPR) in Casper, United States to Washington Dulles International Airport (IAD) in Washington, United States is 2,462 kilometers (1,530 miles / 1,329 nautical miles). The estimated flight time for this route is approximately 4h, flying east at a heading of 91°.

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 07:34 in Casper, it's 09:34 in Washington.

There is a significant elevation difference of 5,032 feet between the two airports. Washington Dulles International Airport sits lower than Casper/Natrona County International Airport. Travelers arriving at the higher-elevation airport should be aware of potential altitude effects.

The return flight from Washington (IAD) to Casper (CPR) follows a heading of 290° (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 Casper/Natrona County International Airport (CPR) and Washington Dulles International Airport (IAD) detail pages, or use our flight duration calculator to compare other routes.