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FLF to REP: distance & flight time
Flensburg (Flensburg-Schäferhaus Airport) → Siem-reap (Siem Reap International Airport)
5,638 mi
9,074 km · 4,899 nm
11h 31m
estimated nonstop flight time
+5h
time difference · heading east
See live FLF→REP fares Phone-only fares on this route — call free
Flight time details
5,638 miles nonstop takes roughly 11h 31m gate to gate, flying east. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 5-hour time gain when reading arrival times on your ticket.
The two airports
- FLF — Flensburg-Schäferhaus Airport · Flensburg, Germany
- 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 FLF
- SGD · Sønderborg Airport21 mi away
- WBG · Schleswig Air Base22 mi away
- SKS · Skrydstrup Air Base31 mi away
- KEL · Kiel-Holtenau Airport41 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 FLF from REP?
The flight distance from Flensburg (FLF) to Siem-reap (REP) is 5,638 miles (9,074 km, 4,899 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from FLF to REP?
A nonstop flight takes about 11h 31m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
Are there nonstop flights from FLF to REP?
Nonstop service on FLF–REP depends on the season and the day of week. Run the fare search on this page with the nonstop filter applied to see current direct options; when there is no nonstop, a single connection through a carrier hub adds roughly 2–4 hours to the 11h 31m nonstop estimate.
What is the time difference between Flensburg and Siem-reap?
Siem-reap is 5 hours ahead of Flensburg.
What is the cheapest way to fly from FLF to REP?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on FLF–REP that never appear on search engines, with no booking fees.
Why are some FLF to REP fares phone-only?
Consolidator contracts let us sell certain FLF–REP tickets below the price airlines permit us to publish online, so those fares can only be quoted over the phone. Call the travel desk and an agent will check phone-only inventory for your dates.