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SUB to USN: distance & flight time
Surabaya (Juanda International Airport) → Ulsan (Ulsan Airport)
3,159 mi
5,084 km · 2,745 nm
6h 40m
estimated nonstop flight time
+2h
time difference · heading north
See live SUB→USN fares Phone-only fares on this route — call free
Flight time details
3,159 miles nonstop takes roughly 6h 40m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2-hour time gain when reading arrival times on your ticket.
The two airports
- SUB — Juanda International Airport · Surabaya, Indonesia
- 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 SUB
- MLG · Abdul Rachman Saleh Airport38 mi away
- SUP · Trunojoyo Airport80 mi away
- BWX · Blimbingsari Airport124 mi away
- SOC · Adi Sumarmo Wiryokusumo Airport139 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 SUB from USN?
The flight distance from Surabaya (SUB) to Ulsan (USN) is 3,159 miles (5,084 km, 2,745 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SUB to USN?
A nonstop flight takes about 6h 40m 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 Surabaya and Ulsan?
Ulsan is 2 hours ahead of Surabaya.
What is the cheapest way to fly from SUB to USN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SUB–USN that never appear on search engines, with no booking fees.