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DUC to FLZ: distance & flight time
Duncan (Halliburton Field) → Sibolga (Dr Ferdinand Lumban Tobing Airport)
9,718 mi
15,640 km · 8,445 nm
19h 31m
estimated nonstop flight time
+12h
time difference · heading northwest
See live DUC→FLZ fares Phone-only fares on this route — call free
Flight time details
9,718 miles nonstop takes roughly 19h 31m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 12-hour time gain when reading arrival times on your ticket.
The two airports
- DUC — Halliburton Field · Duncan, United States
- FLZ — Dr Ferdinand Lumban Tobing Airport · Sibolga, Indonesia
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 DUC
Near FLZ
- AEG · Aek Godang Airport39 mi away
- DTB · Silangit Airport49 mi away
- GNS · Binaka Airport86 mi away
- PPR · Pasir Pangaraan Airport113 mi away
Frequently asked questions
How far is DUC from FLZ?
The flight distance from Duncan (DUC) to Sibolga (FLZ) is 9,718 miles (15,640 km, 8,445 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from DUC to FLZ?
A nonstop flight takes about 19h 31m 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 Duncan and Sibolga?
Sibolga is 12 hours ahead of Duncan.
What is the cheapest way to fly from DUC to FLZ?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on DUC–FLZ that never appear on search engines, with no booking fees.