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FLZ to GTF: distance & flight time
Sibolga (Dr Ferdinand Lumban Tobing Airport) → Great Falls (Great Falls International Airport)
8,588 mi
13,821 km · 7,463 nm
17h 18m
estimated nonstop flight time
-13h
time difference · heading northeast
See live FLZ→GTF fares Phone-only fares on this route — call free
Flight time details
8,588 miles nonstop takes roughly 17h 18m 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
- GTF — Great Falls International Airport · Great Falls, 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 GTF
- HLN · Helena Regional Airport67 mi away
- CTB · Cut Bank International Airport91 mi away
- LWT · Lewistown Municipal Airport94 mi away
- HVR · Havre City County Airport104 mi away
Frequently asked questions
How far is FLZ from GTF?
The flight distance from Sibolga (FLZ) to Great Falls (GTF) is 8,588 miles (13,821 km, 7,463 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from FLZ to GTF?
A nonstop flight takes about 17h 18m 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 Great Falls?
Great Falls is 13 hours behind Sibolga.
What is the cheapest way to fly from FLZ to GTF?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on FLZ–GTF that never appear on search engines, with no booking fees.