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BUF to OSN: distance & flight time
Buffalo (Buffalo Niagara International Airport) → Osan (Osan Air Base)
6,675 mi
10,742 km · 5,800 nm
13h 33m
estimated nonstop flight time
+13h
time difference · heading north
See live BUF→OSN fares Phone-only fares on this route — call free
Flight time details
6,675 miles nonstop takes roughly 13h 33m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 13-hour time gain when reading arrival times on your ticket.
The two airports
- BUF — Buffalo Niagara International Airport · Buffalo, United States
- 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 BUF
- IAG · Niagara Falls International Airport16 mi away
- YYZ · Lester B. Pearson International Airport68 mi away
- YCM · Niagara District Airport28 mi away
- DKK · Chautauqua County-Dunkirk Airport41 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 BUF from OSN?
The flight distance from Buffalo (BUF) to Osan (OSN) is 6,675 miles (10,742 km, 5,800 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from BUF to OSN?
A nonstop flight takes about 13h 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 time difference between Buffalo and Osan?
Osan is 13 hours ahead of Buffalo.
What is the cheapest way to fly from BUF to OSN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on BUF–OSN that never appear on search engines, with no booking fees.