Casper–Natrona County International Airport (IATA: CPR, ICAO: KCPR, FAA LID: CPR) is 7 miles (11 km) northwest of Casper, in Natrona County, Wyoming. Before December 19, 2007, the airport was called Natrona County International Airport.

Scheduled passenger service is offered by SkyWest Airlines operating as Delta Connection on behalf of Delta Air Lines. Skywest Airlines, as well as CommutAir, operate as United Express on behalf of United Airlines as well. These regional airlines operate regional jet aircraft into Casper. Charter flights (known as "casino or gamblers' flights") are occasionally flown to Laughlin or Wendover, Nevada. Located near the airport is the NCIA Business Park, which houses a World War II museum and over 35 businesses ranging from manufacturing to aviation.