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ISU to KOS: distance & flight time
Sulaymaniyah (Sulaymaniyah International Airport) → Sihanoukville (Sihanoukville International Airport)
4,022 mi
6,473 km · 3,495 nm
8h 21m
estimated nonstop flight time
+4h
time difference · heading east
See live ISU→KOS fares Phone-only fares on this route — call free
Flight time details
4,022 miles nonstop takes roughly 8h 21m 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
- ISU — Sulaymaniyah International Airport · Sulaymaniyah, Iraq
- 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 ISU
- KIK · Kirkuk Air Base55 mi away
- EBL · Erbil International Airport89 mi away
- SDG · Sanandaj Airport98 mi away
- XQC · Joint Base Balad124 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 ISU from KOS?
The flight distance from Sulaymaniyah (ISU) to Sihanoukville (KOS) is 4,022 miles (6,473 km, 3,495 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ISU to KOS?
A nonstop flight takes about 8h 21m 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 Sulaymaniyah and Sihanoukville?
Sihanoukville is 4 hours ahead of Sulaymaniyah.
What is the cheapest way to fly from ISU to KOS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ISU–KOS that never appear on search engines, with no booking fees.