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HLN to ACN: distance & flight time
Helena (Helena Regional Airport) → Ciudad Acuna (Ciudad Acuña New International Airport)
1,330 mi
2,140 km · 1,155 nm
3h 21m
estimated nonstop flight time
Same time
time difference · heading southeast
See live HLN→ACN fares Phone-only fares on this route — call free
Flight time details
1,330 miles nonstop takes roughly 3h 21m gate to gate, flying southeast. 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
- ACN — Ciudad Acuña New International Airport · Ciudad Acuna, Mexico
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 ACN
- DRT · Del Rio International Airport11 mi away
- DLF · DLF Airport19 mi away
- PDS · Piedras Negras International Airport59 mi away
- UVA · Garner Field82 mi away
Frequently asked questions
How far is HLN from ACN?
The flight distance from Helena (HLN) to Ciudad Acuna (ACN) is 1,330 miles (2,140 km, 1,155 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from HLN to ACN?
A nonstop flight takes about 3h 21m 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 ACN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on HLN–ACN that never appear on search engines, with no booking fees.