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ISA to USN: distance & flight time
Mount Isa (Mount Isa Airport) → Ulsan (Ulsan Airport)
3,943 mi
6,346 km · 3,427 nm
8h 12m
estimated nonstop flight time
-1h
time difference · heading north
See live ISA→USN fares Phone-only fares on this route — call free
Flight time details
3,943 miles nonstop takes roughly 8h 12m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time set-back when reading arrival times on your ticket.
The two airports
- ISA — Mount Isa Airport · Mount Isa, Australia
- 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 ISA
- CNJ · Cloncurry Airport66 mi away
- JCK · Julia Creek Airport144 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 ISA from USN?
The flight distance from Mount Isa (ISA) to Ulsan (USN) is 3,943 miles (6,346 km, 3,427 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ISA to USN?
A nonstop flight takes about 8h 12m 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 Mount Isa and Ulsan?
Ulsan is 1 hour behind Mount Isa.
What is the cheapest way to fly from ISA to USN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ISA–USN that never appear on search engines, with no booking fees.