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ZAG to USN: distance & flight time
Zagreb (Zagreb Airport) → Ulsan (Ulsan Airport)
5,451 mi
8,773 km · 4,737 nm
11h 9m
estimated nonstop flight time
+7h
time difference · heading northeast
See live ZAG→USN fares Phone-only fares on this route — call free
Flight time details
5,451 miles nonstop takes roughly 11h 9m 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
- ZAG — Zagreb Airport · Zagreb, Croatia
- 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 ZAG
- MBX · Maribor Airport54 mi away
- RJK · Rijeka Airport81 mi away
- BNX · Banja Luka International Airport81 mi away
- SOB · Sármellék International Airport83 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 ZAG from USN?
The flight distance from Zagreb (ZAG) to Ulsan (USN) is 5,451 miles (8,773 km, 4,737 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ZAG to USN?
A nonstop flight takes about 11h 9m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
Are there nonstop flights from ZAG to USN?
Nonstop service on ZAG–USN depends on the season and the day of week. Run the fare search on this page with the nonstop filter applied to see current direct options; when there is no nonstop, a single connection through a carrier hub adds roughly 2–4 hours to the 11h 9m nonstop estimate.
What is the time difference between Zagreb and Ulsan?
Ulsan is 7 hours ahead of Zagreb.
What is the cheapest way to fly from ZAG to USN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ZAG–USN that never appear on search engines, with no booking fees.
Why are some ZAG to USN fares phone-only?
Consolidator contracts let us sell certain ZAG–USN tickets below the price airlines permit us to publish online, so those fares can only be quoted over the phone. Call the travel desk and an agent will check phone-only inventory for your dates.