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KOS to ATH: distance & flight time
Sihanoukville (Sihanoukville International Airport) → Athens (Eleftherios Venizelos International Airport)
5,212 mi
8,387 km · 4,529 nm
10h 41m
estimated nonstop flight time
-4h
time difference · heading northwest
See live KOS→ATH fares Phone-only fares on this route — call free
Flight time details
5,212 miles nonstop takes roughly 10h 41m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 4-hour time set-back when reading arrival times on your ticket.
The two airports
- KOS — Sihanoukville International Airport · Sihanoukville, Cambodia
- ATH — Eleftherios Venizelos International Airport · Athens, Greece
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 ATH
- HEW · Athen Helenikon Airport12 mi away
- PKH · Porto Cheli Airport62 mi away
- JSY · Syros Airport65 mi away
- SKU · Skiros Airport77 mi away
Frequently asked questions
How far is KOS from ATH?
The flight distance from Sihanoukville (KOS) to Athens (ATH) is 5,212 miles (8,387 km, 4,529 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from KOS to ATH?
A nonstop flight takes about 10h 41m 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 Athens?
Athens is 4 hours behind Sihanoukville.
What is the cheapest way to fly from KOS to ATH?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on KOS–ATH that never appear on search engines, with no booking fees.