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BJC to HLN: distance & flight time
Broomfield-CO (Rocky Mountain Metropolitan Airport) → Helena (Helena Regional Airport)
577 mi
929 km · 501 nm
1h 43m
estimated nonstop flight time
Same time
time difference · heading northwest
See live BJC→HLN fares Phone-only fares on this route — call free
Flight time details
577 miles nonstop takes roughly 1h 43m gate to gate, flying northwest. 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
- BJC — Rocky Mountain Metropolitan Airport · Broomfield-CO, United States
- HLN — Helena Regional Airport · Helena, 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 BJC
- DEN · Denver International Airport24 mi away
- WBU · Boulder Municipal Airport11 mi away
- BFK · Buckley Air Force Base24 mi away
- APA · Centennial Airport27 mi away
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
Frequently asked questions
How far is BJC from HLN?
The flight distance from Broomfield-CO (BJC) to Helena (HLN) is 577 miles (929 km, 501 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from BJC to HLN?
A nonstop flight takes about 1h 43m 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 BJC to HLN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on BJC–HLN that never appear on search engines, with no booking fees.