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JMS to HLN: distance & flight time
Jamestown (Jamestown Regional Airport) → Helena (Helena Regional Airport)
629 mi
1,013 km · 547 nm
1h 50m
estimated nonstop flight time
-1h
time difference · heading west
See live JMS→HLN fares Phone-only fares on this route — call free
Flight time details
629 miles nonstop takes roughly 1h 50m gate to gate, flying west. 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
- JMS — Jamestown Regional Airport · Jamestown, 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 JMS
- DVL · Devils Lake Regional Airport83 mi away
- FAR · Hector International Airport88 mi away
- RDR · Grand Forks Air Force Base93 mi away
- BIS · Bismarck Municipal Airport98 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 JMS from HLN?
The flight distance from Jamestown (JMS) to Helena (HLN) is 629 miles (1,013 km, 547 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from JMS to HLN?
A nonstop flight takes about 1h 50m 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 Jamestown and Helena?
Helena is 1 hour behind Jamestown.
What is the cheapest way to fly from JMS to HLN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on JMS–HLN that never appear on search engines, with no booking fees.