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FLD to USN: distance & flight time
Fond du Lac (Fond du Lac County Airport) → Ulsan (Ulsan Airport)
6,460 mi
10,397 km · 5,614 nm
13h 8m
estimated nonstop flight time
+14h
time difference · heading northwest
See live FLD→USN fares Phone-only fares on this route — call free
Flight time details
6,460 miles nonstop takes roughly 13h 8m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 14-hour time gain when reading arrival times on your ticket.
The two airports
- FLD — Fond du Lac County Airport · Fond du Lac, United States
- 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 FLD
- OSH · Wittman Regional Airport15 mi away
- ETB · West Bend Municipal Airport30 mi away
- SBM · Sheboygan County Memorial Airport32 mi away
- ATW · Appleton International Airport34 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 FLD from USN?
The flight distance from Fond du Lac (FLD) to Ulsan (USN) is 6,460 miles (10,397 km, 5,614 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from FLD to USN?
A nonstop flight takes about 13h 8m 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 FLD to USN?
Nonstop service on FLD–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 13h 8m nonstop estimate.
What is the time difference between Fond du Lac and Ulsan?
Ulsan is 14 hours ahead of Fond du Lac.
What is the cheapest way to fly from FLD to USN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on FLD–USN that never appear on search engines, with no booking fees.
Why are some FLD to USN fares phone-only?
Consolidator contracts let us sell certain FLD–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.