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DET to HLN: distance & flight time
Detroit (Coleman A. Young Municipal Airport) → Helena (Helena Regional Airport)
1,448 mi
2,331 km · 1,258 nm
3h 37m
estimated nonstop flight time
-2h
time difference · heading west
See live DET→HLN fares Phone-only fares on this route — call free
Flight time details
1,448 miles nonstop takes roughly 3h 37m gate to gate, flying west. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2-hour time set-back when reading arrival times on your ticket.
The two airports
- DET — Coleman A. Young Municipal Airport · Detroit, 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 DET
- DTW · Detroit Metropolitan Wayne County Airport22 mi away
- YQG · Windsor Airport10 mi away
- MTC · Selfridge Air National Guard Base Airport17 mi away
- PTK · Oakland County International 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 DET from HLN?
The flight distance from Detroit (DET) to Helena (HLN) is 1,448 miles (2,331 km, 1,258 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from DET to HLN?
A nonstop flight takes about 3h 37m 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 Detroit and Helena?
Helena is 2 hours behind Detroit.
What is the cheapest way to fly from DET to HLN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on DET–HLN that never appear on search engines, with no booking fees.