Pat turkey thighs dry with a paper towel, set aside.
In a small bowl, combine butter, garlic, and herbs. Gently pull skin away from the meat on the turkey thigh and rub butter under the skin as well as on the outside of the skin.
Heat air fryer to 375 degrees F. Cook thighs skin side up for 40-45 minutes until internal temperature reaches 165 degrees F.
Let rest for 5-10 minutes before slicing off bone and serving.