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LEN to USN: distance & flight time
Leon (Leon Airport) → Ulsan (Ulsan Airport)
6,335 mi
10,196 km · 5,505 nm
12h 53m
estimated nonstop flight time
+7h
time difference · heading northeast
See live LEN→USN fares Phone-only fares on this route — call free
Flight time details
6,335 miles nonstop takes roughly 12h 53m 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
- LEN — Leon Airport · Leon, Spain
- 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 LEN
- OVD · Asturias Airport70 mi away
- VLL · Valladolid Airport74 mi away
- BGC · Bragança Airport74 mi away
- RGS · Burgos Airport105 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 LEN from USN?
The flight distance from Leon (LEN) to Ulsan (USN) is 6,335 miles (10,196 km, 5,505 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from LEN to USN?
A nonstop flight takes about 12h 53m 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 Leon and Ulsan?
Ulsan is 7 hours ahead of Leon.
What is the cheapest way to fly from LEN to USN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on LEN–USN that never appear on search engines, with no booking fees.