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IKA to REP: distance & flight time
Tehran (Imam Khomeini International Airport) → Siem-reap (Siem Reap International Airport)
3,595 mi
5,786 km · 3,124 nm
7h 31m
estimated nonstop flight time
+3.5h
time difference · heading east
See live IKA→REP fares Phone-only fares on this route — call free
Flight time details
3,595 miles nonstop takes roughly 7h 31m 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
- REP — Siem Reap International Airport · Siem-reap, 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 REP
- BBM · Battambang Airport45 mi away
- KZC · Kampong Chhnang Airport95 mi away
- PXR · Surin Airport103 mi away
- TDX · Trat Airport128 mi away
Frequently asked questions
How far is IKA from REP?
The flight distance from Tehran (IKA) to Siem-reap (REP) is 3,595 miles (5,786 km, 3,124 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from IKA to REP?
A nonstop flight takes about 7h 31m 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 Siem-reap?
Siem-reap is 3.5 hours ahead of Tehran.
What is the cheapest way to fly from IKA to REP?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on IKA–REP that never appear on search engines, with no booking fees.