Need help booking?
Unpublished phone-only deals available
LHR to SYH: distance & flight time
London (London Heathrow Airport) → Syangboche (Syangboche Airport)
4,623 mi
7,440 km · 4,017 nm
9h 32m
estimated nonstop flight time
+4.8h
time difference · heading east
See live LHR→SYH fares Phone-only fares on this route — call free
Flight time details
4,623 miles nonstop takes roughly 9h 32m gate to gate, flying east. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 4.8-hour time gain when reading arrival times on your ticket.
The two airports
- LHR — London Heathrow Airport · London, United Kingdom
- SYH — Syangboche Airport · Syangboche, Nepal
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 SYH
- LUA · Lukla Airport9 mi away
- PPL · Phaplu Airport22 mi away
- RUM · Rumjatar Airport36 mi away
- LDN · Lamidanda Airport39 mi away
Frequently asked questions
How far is LHR from SYH?
The flight distance from London (LHR) to Syangboche (SYH) is 4,623 miles (7,440 km, 4,017 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from LHR to SYH?
A nonstop flight takes about 9h 32m 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 SYH?
Nonstop service on LHR–SYH 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 9h 32m nonstop estimate.
What is the time difference between London and Syangboche?
Syangboche is 4.8 hours ahead of London.
What is the cheapest way to fly from LHR to SYH?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on LHR–SYH that never appear on search engines, with no booking fees.
Why are some LHR to SYH fares phone-only?
Consolidator contracts let us sell certain LHR–SYH 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.