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CYI to LHR: distance & flight time
Chiayi (Chiayi Airport) → London (London Heathrow Airport)
6,146 mi
9,890 km · 5,340 nm
12h 31m
estimated nonstop flight time
-7h
time difference · heading northwest
See live CYI→LHR fares Phone-only fares on this route — call free
Flight time details
6,146 miles nonstop takes roughly 12h 31m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 7-hour time set-back when reading arrival times on your ticket.
The two airports
- CYI — Chiayi Airport · Chiayi, Taiwan
- 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 CYI
- TNN · Tainan Airport37 mi away
- MZG · Makung Airport49 mi away
- PIF · Pingtung North Airport53 mi away
- TXG · Taichung Airport53 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 CYI from LHR?
The flight distance from Chiayi (CYI) to London (LHR) is 6,146 miles (9,890 km, 5,340 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from CYI to LHR?
A nonstop flight takes about 12h 31m 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 time difference between Chiayi and London?
London is 7 hours behind Chiayi.
What is the cheapest way to fly from CYI to LHR?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on CYI–LHR that never appear on search engines, with no booking fees.