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SNY to HLN: distance & flight time
Sidney (Sidney Municipal-Lloyd W Carr Field) → Helena (Helena Regional Airport)
587 mi
945 km · 510 nm
1h 45m
estimated nonstop flight time
Same time
time difference · heading northwest
See live SNY→HLN fares Phone-only fares on this route — call free
Flight time details
587 miles nonstop takes roughly 1h 45m 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
- SNY — Sidney Municipal-Lloyd W Carr Field · Sidney, 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 SNY
- STK · Sterling Municipal Airport37 mi away
- BFF · Western Neb. Rgnl/William B. Heilig Airport62 mi away
- AKO · Colorado Plains Regional Airport65 mi away
- AIA · Alliance Municipal Airport66 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 SNY from HLN?
The flight distance from Sidney (SNY) to Helena (HLN) is 587 miles (945 km, 510 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SNY to HLN?
A nonstop flight takes about 1h 45m 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 SNY to HLN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SNY–HLN that never appear on search engines, with no booking fees.