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ART to HLN: distance & flight time
Watertown (Watertown International Airport) → Helena (Helena Regional Airport)
1,742 mi
2,803 km · 1,514 nm
3h 53m
estimated nonstop flight time
-2h
time difference · heading west
See live ART→HLN fares Phone-only fares on this route — call free
Flight time details
1,742 miles nonstop takes roughly 3h 53m 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
- ART — Watertown International Airport · Watertown, 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 ART
- YGK · Kingston Norman Rogers Airport33 mi away
- OGS · Ogdensburg International Airport55 mi away
- RME · Griffiss International Airport61 mi away
- SYR · Syracuse Hancock International Airport61 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 ART from HLN?
The flight distance from Watertown (ART) to Helena (HLN) is 1,742 miles (2,803 km, 1,514 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ART to HLN?
A nonstop flight takes about 3h 53m 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 Watertown and Helena?
Helena is 2 hours behind Watertown.
What is the cheapest way to fly from ART to HLN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ART–HLN that never appear on search engines, with no booking fees.