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FLZ to SPF: distance & flight time
Sibolga (Dr Ferdinand Lumban Tobing Airport) → Spearfish-South Dakota (Black Hills Airport-Clyde Ice Field)
8,963 mi
14,425 km · 7,789 nm
18h 2m
estimated nonstop flight time
-13h
time difference · heading north
See live FLZ→SPF fares Phone-only fares on this route — call free
Flight time details
8,963 miles nonstop takes roughly 18h 2m gate to gate, flying north. 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
- SPF — Black Hills Airport-Clyde Ice Field · Spearfish-South Dakota, 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 SPF
- RCA · Ellsworth Air Force Base41 mi away
- RAP · Rapid City Regional Airport47 mi away
- GCC · Gillette Campbell County Airport87 mi away
- CDR · Chadron Municipal Airport119 mi away
Frequently asked questions
How far is FLZ from SPF?
The flight distance from Sibolga (FLZ) to Spearfish-South Dakota (SPF) is 8,963 miles (14,425 km, 7,789 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from FLZ to SPF?
A nonstop flight takes about 18h 2m 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 Spearfish-South Dakota?
Spearfish-South Dakota is 13 hours behind Sibolga.
What is the cheapest way to fly from FLZ to SPF?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on FLZ–SPF that never appear on search engines, with no booking fees.