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ZBY to LHR: distance & flight time
Sainyabuli (Sayaboury Airport) → London (London Heathrow Airport)
5,687 mi
9,152 km · 4,942 nm
11h 37m
estimated nonstop flight time
—
time difference · heading northwest
See live ZBY→LHR fares Phone-only fares on this route — call free
Flight time details
5,687 miles nonstop takes roughly 11h 37m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Both airports share the same local time, so schedules read exactly as flown.
The two airports
- ZBY — Sayaboury Airport · Sainyabuli, Laos
- LHR — London Heathrow 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 ZBY
- LPQ · Luang Phabang International Airport54 mi away
- NNT · Nan Airport68 mi away
- XKH · Xieng Khouang Airport96 mi away
- ODY · Oudomsay Airport101 mi away
Near LHR
- LGW · London Gatwick Airport25 mi away
- NHT · RAF Northolt6 mi away
- HYC · Wycombe Air Park18 mi away
- FAB · Farnborough Airport19 mi away
Frequently asked questions
How far is ZBY from LHR?
The flight distance from Sainyabuli (ZBY) to London (LHR) is 5,687 miles (9,152 km, 4,942 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ZBY to LHR?
A nonstop flight takes about 11h 37m 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 cheapest way to fly from ZBY to LHR?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ZBY–LHR that never appear on search engines, with no booking fees.