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YSM to USN: distance & flight time
Fort Smith (Fort Smith Airport) → Ulsan (Ulsan Airport)
4,974 mi
8,005 km · 4,323 nm
10h 13m
estimated nonstop flight time
+15h
time difference · heading northwest
See live YSM→USN fares Phone-only fares on this route — call free
Flight time details
4,974 miles nonstop takes roughly 10h 13m 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
- YSM — Fort Smith Airport · Fort Smith, Canada
- 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 YSM
- YPY · Fort Chipewyan Airport92 mi away
- YFR · Fort Resolution Airport99 mi away
- YBE · Uranium City Airport125 mi away
- YHY · Hay River / Merlyn Carter Airport142 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 YSM from USN?
The flight distance from Fort Smith (YSM) to Ulsan (USN) is 4,974 miles (8,005 km, 4,323 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from YSM to USN?
A nonstop flight takes about 10h 13m 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 Fort Smith and Ulsan?
Ulsan is 15 hours ahead of Fort Smith.
What is the cheapest way to fly from YSM to USN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on YSM–USN that never appear on search engines, with no booking fees.