- Air One is an Italian airline that operated domestic and international flights. It was founded in 1983 and was based in Rome, Italy. Air One was known for offering affordable flights and had a fleet of mostly Boeing and Airbus aircraft. The airline expanded its operations over the years and even had partnerships with other airlines, such as Lufthansa, to offer a wider range of destinations. In 2009, Air One merged with Alitalia, the national flag carrier of Italy, and became a part of the Alitalia Group. After the merger, Air One's branding and operations were gradually integrated into Alitalia.