Davis was 9 of 13 from the field for the game. Mills had 13 points and 10 rebounds for the No. 2 seed Golden Eagles.
The Golden Eagles never trailed and led 48-31 at halftime. The Golden Eagles shot 58.5 percent from the field for the game. UTEP shot 46.9 percent. The Golden Eagles had the rebounding advantage 29-27.
Southern Mississippi will play No. 20 Memphis in the championship game Saturday.