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CYS to USN: distance & flight time
Cheyenne (Cheyenne Regional Jerry Olson Field) → Ulsan (Ulsan Airport)
6,121 mi
9,851 km · 5,319 nm
12h 28m
estimated nonstop flight time
+15h
time difference · heading northwest
See live CYS→USN fares Phone-only fares on this route — call free
Flight time details
6,121 miles nonstop takes roughly 12h 28m 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
- CYS — Cheyenne Regional Jerry Olson Field · Cheyenne, 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 CYS
- LAR · Laramie Regional Airport46 mi away
- DEN · Denver International Airport90 mi away
- FNL · Northern Colorado Regional Airport50 mi away
- GXY · Greeley–Weld County Airport51 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 CYS from USN?
The flight distance from Cheyenne (CYS) to Ulsan (USN) is 6,121 miles (9,851 km, 5,319 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from CYS to USN?
A nonstop flight takes about 12h 28m 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 Cheyenne and Ulsan?
Ulsan is 15 hours ahead of Cheyenne.
What is the cheapest way to fly from CYS to USN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on CYS–USN that never appear on search engines, with no booking fees.