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ISL to OSN: distance & flight time
Istanbul (Atatürk International Airport) → Osan (Osan Air Base)
4,973 mi
8,003 km · 4,321 nm
10h 13m
estimated nonstop flight time
+6h
time difference · heading northeast
See live ISL→OSN fares Phone-only fares on this route — call free
Flight time details
4,973 miles nonstop takes roughly 10h 13m 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
- ISL — Atatürk International Airport · Istanbul, Turkey
- 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 ISL
- IST · Istanbul Airport21 mi away
- SAW · Sabiha Gökçen International Airport26 mi away
- TEQ · Tekirdağ Çorlu Airport48 mi away
- BTZ · Bursa Airport52 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 ISL from OSN?
The flight distance from Istanbul (ISL) to Osan (OSN) is 4,973 miles (8,003 km, 4,321 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ISL to OSN?
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 Istanbul and Osan?
Osan is 6 hours ahead of Istanbul.
What is the cheapest way to fly from ISL to OSN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ISL–OSN that never appear on search engines, with no booking fees.