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USN to OST: distance & flight time
Ulsan (Ulsan Airport) → Ostend (Ostend-Bruges International Airport)
5,620 mi
9,045 km · 4,884 nm
11h 29m
estimated nonstop flight time
-7h
time difference · heading northwest
See live USN→OST fares Phone-only fares on this route — call free
Flight time details
5,620 miles nonstop takes roughly 11h 29m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 7-hour time set-back when reading arrival times on your ticket.
The two airports
- USN — Ulsan Airport · Ulsan, South Korea
- OST — Ostend-Bruges International Airport · Ostend, Belgium
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 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
Near OST
- KJK · Wevelgem Airport30 mi away
- HZB · Merville-Calonne Airport41 mi away
- CQF · Calais-Dunkerque Airport43 mi away
- LIL · Lille-Lesquin Airport45 mi away
Frequently asked questions
How far is USN from OST?
The flight distance from Ulsan (USN) to Ostend (OST) is 5,620 miles (9,045 km, 4,884 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from USN to OST?
A nonstop flight takes about 11h 29m 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 Ulsan and Ostend?
Ostend is 7 hours behind Ulsan.
What is the cheapest way to fly from USN to OST?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on USN–OST that never appear on search engines, with no booking fees.