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REP to IST: distance & flight time
Siem-reap (Siem Reap International Airport) → Istanbul (Istanbul Airport)
4,839 mi
7,787 km · 4,205 nm
9h 57m
estimated nonstop flight time
-4h
time difference · heading northwest
See live REP→IST fares Phone-only fares on this route — call free
Flight time details
4,839 miles nonstop takes roughly 9h 57m 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
- REP — Siem Reap International Airport · Siem-reap, Cambodia
- IST — Istanbul Airport · Istanbul, Turkey
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 REP
- BBM · Battambang Airport45 mi away
- KZC · Kampong Chhnang Airport95 mi away
- PXR · Surin Airport103 mi away
- TDX · Trat Airport128 mi away
Near IST
- ISL · Atatürk International Airport21 mi away
- SAW · Sabiha Gökçen International Airport39 mi away
- TEQ · Tekirdağ Çorlu Airport44 mi away
- BTZ · Bursa Airport73 mi away
Frequently asked questions
How far is REP from IST?
The flight distance from Siem-reap (REP) to Istanbul (IST) is 4,839 miles (7,787 km, 4,205 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from REP to IST?
A nonstop flight takes about 9h 57m 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 Siem-reap and Istanbul?
Istanbul is 4 hours behind Siem-reap.
What is the cheapest way to fly from REP to IST?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on REP–IST that never appear on search engines, with no booking fees.