Need help booking?
Unpublished phone-only deals available
FLZ to HLN: distance & flight time
Sibolga (Dr Ferdinand Lumban Tobing Airport) → Helena (Helena Regional Airport)
8,618 mi
13,869 km · 7,489 nm
17h 22m
estimated nonstop flight time
-13h
time difference · heading northeast
See live FLZ→HLN fares Phone-only fares on this route — call free
Flight time details
8,618 miles nonstop takes roughly 17h 22m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 13-hour time set-back when reading arrival times on your ticket.
The two airports
- FLZ — Dr Ferdinand Lumban Tobing Airport · Sibolga, Indonesia
- 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 FLZ
- AEG · Aek Godang Airport39 mi away
- DTB · Silangit Airport49 mi away
- GNS · Binaka Airport86 mi away
- PPR · Pasir Pangaraan Airport113 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 FLZ from HLN?
The flight distance from Sibolga (FLZ) to Helena (HLN) is 8,618 miles (13,869 km, 7,489 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from FLZ to HLN?
A nonstop flight takes about 17h 22m 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 Sibolga and Helena?
Helena is 13 hours behind Sibolga.
What is the cheapest way to fly from FLZ to HLN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on FLZ–HLN that never appear on search engines, with no booking fees.