Helena Regional Airport is served by 4 airlines, flying from/to 5 destinationsLongest flight from Helena Regional Airport is Helena to 🇺🇸 Salt Lake City (SLC), which takes around 1 hour and 45 minutes. On an airline like Delta Air Lines. More info on this flight route (HLN-SLC).Shortest flight from Helena Regional Airport is Helena to 🇺🇸 Billings (BIL), which takes around 45 minutes. On an airline like Alpine Air Express. More info on this flight route (HLN-BIL).