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SYH to OSN: distance & flight time
Syangboche (Syangboche Airport) → Osan (Osan Air Base)
2,417 mi
3,890 km · 2,100 nm
5h 12m
estimated nonstop flight time
+3.3h
time difference · heading northeast
See live SYH→OSN fares Phone-only fares on this route — call free
Flight time details
2,417 miles nonstop takes roughly 5h 12m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 3.3-hour time gain when reading arrival times on your ticket.
The two airports
- SYH — Syangboche Airport · Syangboche, Nepal
- 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 SYH
- LUA · Lukla Airport9 mi away
- PPL · Phaplu Airport22 mi away
- RUM · Rumjatar Airport36 mi away
- LDN · Lamidanda Airport39 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 SYH from OSN?
The flight distance from Syangboche (SYH) to Osan (OSN) is 2,417 miles (3,890 km, 2,100 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SYH to OSN?
A nonstop flight takes about 5h 12m 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 Syangboche and Osan?
Osan is 3.3 hours ahead of Syangboche.
What is the cheapest way to fly from SYH to OSN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SYH–OSN that never appear on search engines, with no booking fees.