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KOS to BUF: distance & flight time
Sihanoukville (Sihanoukville International Airport) → Buffalo (Buffalo Niagara International Airport)
8,736 mi
14,059 km · 7,591 nm
17h 36m
estimated nonstop flight time
-11h
time difference · heading north
See live KOS→BUF fares Phone-only fares on this route — call free
Flight time details
8,736 miles nonstop takes roughly 17h 36m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 11-hour time set-back when reading arrival times on your ticket.
The two airports
- KOS — Sihanoukville International Airport · Sihanoukville, Cambodia
- BUF — Buffalo Niagara International Airport · Buffalo, United States
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 KOS
- PQC · Phu Quoc International Airport37 mi away
- PNH · Phnom Penh International Airport106 mi away
- VKG · Rach Gia Airport110 mi away
- KZC · Kampong Chhnang Airport132 mi away
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
Frequently asked questions
How far is KOS from BUF?
The flight distance from Sihanoukville (KOS) to Buffalo (BUF) is 8,736 miles (14,059 km, 7,591 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from KOS to BUF?
A nonstop flight takes about 17h 36m 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 Sihanoukville and Buffalo?
Buffalo is 11 hours behind Sihanoukville.
What is the cheapest way to fly from KOS to BUF?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on KOS–BUF that never appear on search engines, with no booking fees.