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LHR to TNX: distance & flight time
London (London Heathrow Airport) → Stung Treng (Stung Treng Airport)
6,174 mi
9,936 km · 5,365 nm
12h 34m
estimated nonstop flight time
+6h
time difference · heading east
See live LHR→TNX fares Phone-only fares on this route — call free
Flight time details
6,174 miles nonstop takes roughly 12h 34m gate to gate, flying east. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 6-hour time gain when reading arrival times on your ticket.
The two airports
- LHR — London Heathrow Airport · London, United Kingdom
- TNX — Stung Treng Airport · Stung Treng, 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 LHR
- LGW · London Gatwick Airport25 mi away
- NHT · RAF Northolt6 mi away
- HYC · Wycombe Air Park18 mi away
- FAB · Farnborough Airport19 mi away
Near TNX
- RBE · Ratanakiri Airport67 mi away
- KTI · Kratie Airport72 mi away
- AOU · Attopeu Airport104 mi away
- PKZ · Pakse International Airport112 mi away
Frequently asked questions
How far is LHR from TNX?
The flight distance from London (LHR) to Stung Treng (TNX) is 6,174 miles (9,936 km, 5,365 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from LHR to TNX?
A nonstop flight takes about 12h 34m 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 LHR to TNX?
Nonstop service on LHR–TNX 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 34m nonstop estimate.
What is the time difference between London and Stung Treng?
Stung Treng is 6 hours ahead of London.
What is the cheapest way to fly from LHR to TNX?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on LHR–TNX that never appear on search engines, with no booking fees.
Why are some LHR to TNX fares phone-only?
Consolidator contracts let us sell certain LHR–TNX 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.