Helena Regional Airport in Helena, United States has 6 nonstop destinations in the current FlightQ schedule set. This page ranks the farthest routes by airport-to-airport distance and adds airlines, frequency, and estimated flight time.
Schedule snapshot checked Jun 15, 2026.
The longest listed nonstop flight from HLN is to Denver (DEN), about 593 miles with an estimated block time of ~1h 48m.
| # | Route | Distance | Est. time | Airlines | Frequency |
|---|---|---|---|---|---|
| 1 | HLN to DEN Denver, United States | 593 mi | ~1h 48m | United Airlines and Delta Air Lines | 2-3/day |
| 2 | HLN to SEA Seattle, United States | 490 mi | ~1h 36m | Alaska Airlines | 1/day |
| 3 | HLN to SLC Salt Lake City, United States | 402 mi | ~1h 25m | Delta Air Lines | 2/day |
| 4 | HLN to SFF Spokane, United States | 262 mi | ~1h 7m | Alpine Air Express | weekly |
| 5 | HLN to BIL Billings, United States | 173 mi | ~56m | Alpine Air Express | 1/day |
| 6 | HLN to BTM Butte, United States | 51 mi | ~41m | Alpine Air Express | weekly |
Distance is great-circle mileage. Estimated time uses a standard block-time model until a route has enough tracked duration data on its route guide.
The longest nonstop route in FlightQ's current HLN schedule set is HLN to DEN, about 593 miles with an estimated block time of ~1h 48m.
Routes are ranked by great-circle distance between the origin and destination airports. Flight times are estimates unless a route page has tracked duration data.
The list is built from FlightQ's current schedule capture. Airlines change timetables often, so always confirm dates and availability before booking.