- Eugene Airport, also known as Mahlon Sweet Field, is a public airport located 7 miles northwest of downtown Eugene, Oregon, United States. It is the fifth-largest airport in the state and serves the Eugene-Springfield metropolitan area. The airport offers flights to several domestic destinations, including major cities like Los Angeles, Denver, Phoenix, San Francisco, and Seattle. It is served by various airlines such as Alaska Airlines, American Airlines, Delta Air Lines, and United Airlines. The airport facilities include parking, rental car services, dining options, and free Wi-Fi access.