Need help booking?
Unpublished phone-only deals available
OSN to ISL: distance & flight time
Osan (Osan Air Base) → Istanbul (Atatürk International Airport)
4,973 mi
8,003 km · 4,321 nm
10h 13m
estimated nonstop flight time
-6h
time difference · heading northwest
See live OSN→ISL fares Phone-only fares on this route — call free
Flight time details
4,973 miles nonstop takes roughly 10h 13m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 6-hour time set-back when reading arrival times on your ticket.
The two airports
- OSN — Osan Air Base · Osan, South Korea
- ISL — Atatürk International Airport · Istanbul, Turkey
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 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
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
Frequently asked questions
How far is OSN from ISL?
The flight distance from Osan (OSN) to Istanbul (ISL) 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 OSN to ISL?
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 Osan and Istanbul?
Istanbul is 6 hours behind Osan.
What is the cheapest way to fly from OSN to ISL?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OSN–ISL that never appear on search engines, with no booking fees.