Need help booking?

Unpublished phone-only deals available

IIL to REP: distance & flight time

Ilam (Ilam Airport) → Siem-reap (Siem Reap International Airport)

3,842 mi
6,184 km · 3,339 nm
8h
estimated nonstop flight time
+3.5h
time difference · heading east
See live IILREP fares Phone-only fares on this route — call free

Flight time details

3,842 miles nonstop takes roughly 8h 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

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.

Frequently asked questions

How far is IIL from REP?

The flight distance from Ilam (IIL) to Siem-reap (REP) is 3,842 miles (6,184 km, 3,339 nautical miles), measured along the great-circle route airlines actually fly.

How long is the flight from IIL to REP?

A nonstop flight takes about 8h 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 Ilam and Siem-reap?

Siem-reap is 3.5 hours ahead of Ilam.

What is the cheapest way to fly from IIL to REP?

Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on IIL–REP that never appear on search engines, with no booking fees.
Keep exploring:REP to IIL Airports near IIL Airports near REP Time difference IILREP Distance calculator