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IKA to KOS: distance & flight time
Tehran (Imam Khomeini International Airport) → Sihanoukville (Sihanoukville International Airport)
3,699 mi
5,953 km · 3,215 nm
7h 43m
estimated nonstop flight time
+3.5h
time difference · heading east
See live IKA→KOS fares Phone-only fares on this route — call free
Flight time details
3,699 miles nonstop takes roughly 7h 43m gate to gate, flying east. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 3.5-hour time gain when reading arrival times on your ticket.
The two airports
- IKA — Imam Khomeini International Airport · Tehran, Iran
- 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 IKA
- THR · Mehrabad International Airport21 mi away
- PYK · Payam International Airport31 mi away
- GZW · Qazvin Airport84 mi away
- NSH · Noshahr Airport88 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 IKA from KOS?
The flight distance from Tehran (IKA) to Sihanoukville (KOS) is 3,699 miles (5,953 km, 3,215 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from IKA to KOS?
A nonstop flight takes about 7h 43m 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 Tehran and Sihanoukville?
Sihanoukville is 3.5 hours ahead of Tehran.
What is the cheapest way to fly from IKA to KOS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on IKA–KOS that never appear on search engines, with no booking fees.