Need help booking?
Unpublished phone-only deals available
YFX to USN: distance & flight time
St. Lewis (St. Lewis (Fox Harbour) Airport) → Ulsan (Ulsan Airport)
6,351 mi
10,222 km · 5,519 nm
12h 55m
estimated nonstop flight time
+11.5h
time difference · heading north
See live YFX→USN fares Phone-only fares on this route — call free
Flight time details
6,351 miles nonstop takes roughly 12h 55m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 11.5-hour time gain when reading arrival times on your ticket.
The two airports
- YFX — St. Lewis (Fox Harbour) Airport · St. Lewis, 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 YFX
- YMH · Mary's Harbour Airport9 mi away
- YWM · Williams Harbour Airport14 mi away
- YHA · Port Hope Simpson Airport28 mi away
- YAY · St. Anthony Airport70 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 YFX from USN?
The flight distance from St. Lewis (YFX) to Ulsan (USN) is 6,351 miles (10,222 km, 5,519 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from YFX to USN?
A nonstop flight takes about 12h 55m 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 St. Lewis and Ulsan?
Ulsan is 11.5 hours ahead of St. Lewis.
What is the cheapest way to fly from YFX to USN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on YFX–USN that never appear on search engines, with no booking fees.