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ATO to USN: distance & flight time
Athens (Ohio University Snyder Field) → Ulsan (Ulsan Airport)
6,890 mi
11,088 km · 5,987 nm
13h 59m
estimated nonstop flight time
+13h
time difference · heading northwest
See live ATO→USN fares Phone-only fares on this route — call free
Flight time details
6,890 miles nonstop takes roughly 13h 59m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 13-hour time gain when reading arrival times on your ticket.
The two airports
- ATO — Ohio University Snyder Field · Athens, 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 ATO
- PMH · Greater Portsmouth Regional Airport42 mi away
- PKB · Mid Ohio Valley Regional Airport43 mi away
- ZZV · Zanesville Municipal Airport54 mi away
- LCK · Rickenbacker International Airport56 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 ATO from USN?
The flight distance from Athens (ATO) to Ulsan (USN) is 6,890 miles (11,088 km, 5,987 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ATO to USN?
A nonstop flight takes about 13h 59m 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 ATO to USN?
Nonstop service on ATO–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 59m nonstop estimate.
What is the time difference between Athens and Ulsan?
Ulsan is 13 hours ahead of Athens.
What is the cheapest way to fly from ATO to USN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ATO–USN that never appear on search engines, with no booking fees.
Why are some ATO to USN fares phone-only?
Consolidator contracts let us sell certain ATO–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.