There are five backcountry airlines that fly into the Middle Fork of the Salmon. This list breaks them all out.
Gem Air
Website: https://gemairflights.com/private-boater/
Phone: (208) 756-7382
Email: flying@gemairflights.com
McCall Aviation
Website: https://www.mccallaviation.com/
Phone: 208-634-7137
Email: mccallaviation@outlook.com
SP Aircraft
Website: https://spaircraft.com/
Phone: (208) 383-3323
Email: Contact form
Sawtooth Flying Service
Website: https://www.sawtoothflying.com/
Phone: 208-634-7774
Email: sawtoothflying@frontier.com
Middle Fork Aviation
Website: http://www.middleforkair.com/For_Boaters.html
Phone: 208-879-5728
Email: mforkair@custertel.net