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ITM to OSN: distance & flight time
Osaka (Osaka International Airport) → Osan (Osan Air Base)
496 mi
799 km · 431 nm
1h 33m
estimated nonstop flight time
Same time
time difference · heading west
See live ITM→OSN fares Phone-only fares on this route — call free
Flight time details
496 miles nonstop takes roughly 1h 33m gate to gate, flying west. Add 45–90 minutes per connection if there's no nonstop service. Both airports share the same local time, so schedules read exactly as flown.
The two airports
- ITM — Osaka International Airport · Osaka, Japan
- 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 ITM
- UKB · Kobe Airport16 mi away
- KIX · Kansai International Airport27 mi away
- TJH · Tajima Airport62 mi away
- TKS · Tokushima Airport/JMSDF Air Base65 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 ITM from OSN?
The flight distance from Osaka (ITM) to Osan (OSN) is 496 miles (799 km, 431 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ITM to OSN?
A nonstop flight takes about 1h 33m 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 cheapest way to fly from ITM to OSN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ITM–OSN that never appear on search engines, with no booking fees.