Need help booking?
Unpublished phone-only deals available
KSF to USN: distance & flight time
Kassel (Kassel-Calden Airport) → Ulsan (Ulsan Airport)
5,415 mi
8,714 km · 4,705 nm
11h 5m
estimated nonstop flight time
+7h
time difference · heading northeast
See live KSF→USN fares Phone-only fares on this route — call free
Flight time details
5,415 miles nonstop takes roughly 11h 5m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 7-hour time gain when reading arrival times on your ticket.
The two airports
- KSF — Kassel-Calden Airport · Kassel, Germany
- USN — Ulsan Airport · Ulsan, South Korea
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 KSF
- FRZ · Fritzlar Airport21 mi away
- PAD · Paderborn Lippstadt Airport36 mi away
- BFE · Bielefeld Airport52 mi away
- EIB · Eisenach-Kindel Airport56 mi away
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
Frequently asked questions
How far is KSF from USN?
The flight distance from Kassel (KSF) to Ulsan (USN) is 5,415 miles (8,714 km, 4,705 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from KSF to USN?
A nonstop flight takes about 11h 5m 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 Kassel and Ulsan?
Ulsan is 7 hours ahead of Kassel.
What is the cheapest way to fly from KSF to USN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on KSF–USN that never appear on search engines, with no booking fees.