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HDN to USN: distance & flight time
Hayden (Yampa Valley Airport) → Ulsan (Ulsan Airport)
6,071 mi
9,771 km · 5,276 nm
12h 22m
estimated nonstop flight time
+15h
time difference · heading northwest
See live HDN→USN fares Phone-only fares on this route — call free
Flight time details
6,071 miles nonstop takes roughly 12h 22m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 15-hour time gain when reading arrival times on your ticket.
The two airports
- HDN — Yampa Valley Airport · Hayden, 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 HDN
- SBS · Steamboat Springs Bob Adams Field19 mi away
- EGE · Eagle County Regional Airport60 mi away
- SAA · Shively Field70 mi away
- RIL · Garfield County Regional Airport71 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 HDN from USN?
The flight distance from Hayden (HDN) to Ulsan (USN) is 6,071 miles (9,771 km, 5,276 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from HDN to USN?
A nonstop flight takes about 12h 22m 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 Hayden and Ulsan?
Ulsan is 15 hours ahead of Hayden.
What is the cheapest way to fly from HDN to USN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on HDN–USN that never appear on search engines, with no booking fees.