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USN to FLZ: distance & flight time
Ulsan (Ulsan Airport) → Sibolga (Dr Ferdinand Lumban Tobing Airport)
3,056 mi
4,919 km · 2,656 nm
6h 28m
estimated nonstop flight time
-2h
time difference · heading southwest
See live USN→FLZ fares Phone-only fares on this route — call free
Flight time details
3,056 miles nonstop takes roughly 6h 28m gate to gate, flying southwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2-hour time set-back when reading arrival times on your ticket.
The two airports
- USN — Ulsan Airport · Ulsan, South Korea
- 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 USN
- KPO · Pohang Airport (G-815/K-3)28 mi away
- PUS · Gimhae International Airport37 mi away
- TAE · Daegu Airport44 mi away
- CHF · Jinhae Airbase/Airport (G-813/K-10)48 mi away
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 USN from FLZ?
The flight distance from Ulsan (USN) to Sibolga (FLZ) is 3,056 miles (4,919 km, 2,656 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from USN to FLZ?
A nonstop flight takes about 6h 28m 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 Ulsan and Sibolga?
Sibolga is 2 hours behind Ulsan.
What is the cheapest way to fly from USN to FLZ?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on USN–FLZ that never appear on search engines, with no booking fees.