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HLN to ZMH: distance & flight time
Helena (Helena Regional Airport) → 108 Mile Ranch (South Cariboo Region / 108 Mile Airport)
551 mi
886 km · 478 nm
1h 40m
estimated nonstop flight time
-1h
time difference · heading northwest
See live HLN→ZMH fares Phone-only fares on this route — call free
Flight time details
551 miles nonstop takes roughly 1h 40m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time set-back when reading arrival times on your ticket.
The two airports
- HLN — Helena Regional Airport · Helena, United States
- ZMH — South Cariboo Region / 108 Mile Airport · 108 Mile Ranch, Canada
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 ZMH
- YWL · Williams Lake Airport44 mi away
- YKA · Kamloops Airport81 mi away
- YQZ · Quesnel Airport102 mi away
- YSN · Shuswap Regional Airport117 mi away
Frequently asked questions
How far is HLN from ZMH?
The flight distance from Helena (HLN) to 108 Mile Ranch (ZMH) is 551 miles (886 km, 478 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from HLN to ZMH?
A nonstop flight takes about 1h 40m 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 time difference between Helena and 108 Mile Ranch?
108 Mile Ranch is 1 hour behind Helena.
What is the cheapest way to fly from HLN to ZMH?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on HLN–ZMH that never appear on search engines, with no booking fees.