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OUL to OSN: distance & flight time
Oulu (Oulu Airport) → Osan (Osan Air Base)
4,246 mi
6,833 km · 3,690 nm
8h 48m
estimated nonstop flight time
+6h
time difference · heading northeast
See live OUL→OSN fares Phone-only fares on this route — call free
Flight time details
4,246 miles nonstop takes roughly 8h 48m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 6-hour time gain when reading arrival times on your ticket.
The two airports
- OUL — Oulu Airport · Oulu, Finland
- OSN — Osan Air Base · Osan, 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 OUL
- KEM · Kemi-Tornio Airport63 mi away
- YLI · Ylivieska Airfield63 mi away
- KAJ · Kajaani Airport82 mi away
- LLA · Luleå Airport103 mi away
Near OSN
- ICN · Incheon International Airport41 mi away
- SWU · Suwon Airport10 mi away
- SSN · Seoul Air Base (K-16)25 mi away
- GMP · Gimpo International Airport35 mi away
Frequently asked questions
How far is OUL from OSN?
The flight distance from Oulu (OUL) to Osan (OSN) is 4,246 miles (6,833 km, 3,690 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from OUL to OSN?
A nonstop flight takes about 8h 48m 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 Oulu and Osan?
Osan is 6 hours ahead of Oulu.
What is the cheapest way to fly from OUL to OSN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OUL–OSN that never appear on search engines, with no booking fees.