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HEL to REP: distance & flight time
Helsinki (Helsinki Vantaa Airport) → Siem-reap (Siem Reap International Airport)
5,034 mi
8,102 km · 4,375 nm
10h 20m
estimated nonstop flight time
+4h
time difference · heading east
See live HEL→REP fares Phone-only fares on this route — call free
Flight time details
5,034 miles nonstop takes roughly 10h 20m 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
- HEL — Helsinki Vantaa Airport · Helsinki, Finland
- 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 HEL
- HEM · Helsinki Malmi Airport5 mi away
- HYV · Hyvinkää Airfield23 mi away
- QLF · Lahti Vesivehmaa Airport62 mi away
- TLL · Lennart Meri Tallinn Airport63 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 HEL from REP?
The flight distance from Helsinki (HEL) to Siem-reap (REP) is 5,034 miles (8,102 km, 4,375 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from HEL to REP?
A nonstop flight takes about 10h 20m 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 Helsinki and Siem-reap?
Siem-reap is 4 hours ahead of Helsinki.
What is the cheapest way to fly from HEL to REP?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on HEL–REP that never appear on search engines, with no booking fees.