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REP to LCY: distance & flight time
Siem-reap (Siem Reap International Airport) → London (London City Airport)
6,070 mi
9,768 km · 5,275 nm
12h 22m
estimated nonstop flight time
-6h
time difference · heading northwest
See live REP→LCY fares Phone-only fares on this route — call free
Flight time details
6,070 miles nonstop takes roughly 12h 22m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 6-hour time set-back when reading arrival times on your ticket.
The two airports
- REP — Siem Reap International Airport · Siem-reap, Cambodia
- LCY — London City Airport · London, United Kingdom
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 LCY
- LHR · London Heathrow Airport22 mi away
- LGW · London Gatwick Airport27 mi away
- BQH · London Biggin Hill Airport12 mi away
- NHT · RAF Northolt21 mi away
Frequently asked questions
How far is REP from LCY?
The flight distance from Siem-reap (REP) to London (LCY) is 6,070 miles (9,768 km, 5,275 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from REP to LCY?
A nonstop flight takes about 12h 22m 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 REP to LCY?
Nonstop service on REP–LCY 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 12h 22m nonstop estimate.
What is the time difference between Siem-reap and London?
London is 6 hours behind Siem-reap.
What is the cheapest way to fly from REP to LCY?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on REP–LCY that never appear on search engines, with no booking fees.
Why are some REP to LCY fares phone-only?
Consolidator contracts let us sell certain REP–LCY 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.