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USN to ISL: distance & flight time
Ulsan (Ulsan Airport) → Istanbul (Atatürk International Airport)
5,139 mi
8,270 km · 4,465 nm
10h 33m
estimated nonstop flight time
-6h
time difference · heading northwest
See live USN→ISL fares Phone-only fares on this route — call free
Flight time details
5,139 miles nonstop takes roughly 10h 33m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 6-hour time set-back when reading arrival times on your ticket.
The two airports
- USN — Ulsan Airport · Ulsan, South Korea
- ISL — Atatürk International Airport · Istanbul, Turkey
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 ISL
- IST · Istanbul Airport21 mi away
- SAW · Sabiha Gökçen International Airport26 mi away
- TEQ · Tekirdağ Çorlu Airport48 mi away
- BTZ · Bursa Airport52 mi away
Frequently asked questions
How far is USN from ISL?
The flight distance from Ulsan (USN) to Istanbul (ISL) is 5,139 miles (8,270 km, 4,465 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from USN to ISL?
A nonstop flight takes about 10h 33m 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 Istanbul?
Istanbul is 6 hours behind Ulsan.
What is the cheapest way to fly from USN to ISL?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on USN–ISL that never appear on search engines, with no booking fees.