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COE to USN: distance & flight time
Coeur d'Alene (Coeur D'Alene - Pappy Boyington Field) → Ulsan (Ulsan Airport)
5,380 mi
8,658 km · 4,675 nm
11h 1m
estimated nonstop flight time
+16h
time difference · heading northwest
See live COE→USN fares Phone-only fares on this route — call free
Flight time details
5,380 miles nonstop takes roughly 11h 1m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 16-hour time gain when reading arrival times on your ticket.
The two airports
- COE — Coeur D'Alene - Pappy Boyington Field · Coeur d'Alene, 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 COE
- SFF · Felts Field24 mi away
- GEG · Spokane International Airport35 mi away
- SKA · Fairchild Air Force Base40 mi away
- PUW · Pullman Moscow Regional Airport72 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 COE from USN?
The flight distance from Coeur d'Alene (COE) to Ulsan (USN) is 5,380 miles (8,658 km, 4,675 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from COE to USN?
A nonstop flight takes about 11h 1m 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 Coeur d'Alene and Ulsan?
Ulsan is 16 hours ahead of Coeur d'Alene.
What is the cheapest way to fly from COE to USN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on COE–USN that never appear on search engines, with no booking fees.