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HLN to TWF: distance & flight time
Helena (Helena Regional Airport) → Twin Falls (Joslin Field Magic Valley Regional Airport)
311 mi
500 km · 270 nm
1h 17m
estimated nonstop flight time
Same time
time difference · heading southwest
See live HLN→TWF fares Phone-only fares on this route — call free
Flight time details
311 miles nonstop takes roughly 1h 17m gate to gate, flying southwest. Add 45–90 minutes per connection if there's no nonstop service. Both airports share the same local time, so schedules read exactly as flown.
The two airports
- HLN — Helena Regional Airport · Helena, United States
- TWF — Joslin Field Magic Valley Regional Airport · Twin Falls, United States
Distances are great-circle ("as the crow flies") — the same basis airlines use for frequent-flyer miles.
Alternate airports can cut this fare
Flying from or into a nearby airport is the #1 trick our agents use to beat online prices. Call and we'll compare every combination on one call.
Near HLN
- BTM · Bert Mooney Airport51 mi away
- GTF · Great Falls International Airport67 mi away
- BZN · Gallatin Field70 mi away
- LVM · Mission Field97 mi away
Near TWF
- BYI · Burley Municipal Airport37 mi away
- SUN · Friedman Memorial Airport71 mi away
- MUO · Mountain Home Air Force Base80 mi away
- PIH · Pocatello Regional Airport101 mi away
Frequently asked questions
How far is HLN from TWF?
The flight distance from Helena (HLN) to Twin Falls (TWF) is 311 miles (500 km, 270 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from HLN to TWF?
A nonstop flight takes about 1h 17m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
What is the cheapest way to fly from HLN to TWF?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on HLN–TWF that never appear on search engines, with no booking fees.