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ISL to KOS: distance & flight time
Istanbul (Atatürk International Airport) → Sihanoukville (Sihanoukville International Airport)
4,951 mi
7,968 km · 4,302 nm
10h 10m
estimated nonstop flight time
+4h
time difference · heading east
See live ISL→KOS fares Phone-only fares on this route — call free
Flight time details
4,951 miles nonstop takes roughly 10h 10m gate to gate, flying east. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 4-hour time gain when reading arrival times on your ticket.
The two airports
- ISL — Atatürk International Airport · Istanbul, Turkey
- KOS — Sihanoukville International Airport · Sihanoukville, Cambodia
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 ISL
- IST · Istanbul Airport21 mi away
- SAW · Sabiha Gökçen International Airport26 mi away
- TEQ · Tekirdağ Çorlu Airport48 mi away
- BTZ · Bursa Airport52 mi away
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
Frequently asked questions
How far is ISL from KOS?
The flight distance from Istanbul (ISL) to Sihanoukville (KOS) is 4,951 miles (7,968 km, 4,302 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ISL to KOS?
A nonstop flight takes about 10h 10m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
Are there nonstop flights from ISL to KOS?
Nonstop service on ISL–KOS depends on the season and the day of week. Run the fare search on this page with the nonstop filter applied to see current direct options; when there is no nonstop, a single connection through a carrier hub adds roughly 2–4 hours to the 10h 10m nonstop estimate.
What is the time difference between Istanbul and Sihanoukville?
Sihanoukville is 4 hours ahead of Istanbul.
What is the cheapest way to fly from ISL to KOS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ISL–KOS that never appear on search engines, with no booking fees.
Why are some ISL to KOS fares phone-only?
Consolidator contracts let us sell certain ISL–KOS tickets below the price airlines permit us to publish online, so those fares can only be quoted over the phone. Call the travel desk and an agent will check phone-only inventory for your dates.