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YCM to USN: distance & flight time
Saint Catherines (Niagara District Airport) → Ulsan (Ulsan Airport)
6,705 mi
10,790 km · 5,826 nm
13h 37m
estimated nonstop flight time
+13h
time difference · heading northwest
See live YCM→USN fares Phone-only fares on this route — call free
Flight time details
6,705 miles nonstop takes roughly 13h 37m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 13-hour time gain when reading arrival times on your ticket.
The two airports
- YCM — Niagara District Airport · Saint Catherines, 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 YCM
- YYZ · Lester B. Pearson International Airport41 mi away
- IAG · Niagara Falls International Airport13 mi away
- BUF · Buffalo Niagara International Airport28 mi away
- DU9 · Dunnville Airport31 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 YCM from USN?
The flight distance from Saint Catherines (YCM) to Ulsan (USN) is 6,705 miles (10,790 km, 5,826 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from YCM to USN?
A nonstop flight takes about 13h 37m 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 Saint Catherines and Ulsan?
Ulsan is 13 hours ahead of Saint Catherines.
What is the cheapest way to fly from YCM to USN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on YCM–USN that never appear on search engines, with no booking fees.