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KEF to LHR: distance & flight time
Keflavik (Keflavik International Airport) → London (London Heathrow Airport)
1,177 mi
1,895 km · 1,023 nm
3h 2m
estimated nonstop flight time
+1h
time difference · heading southeast
See live KEF→LHR fares Phone-only fares on this route — call free
Flight time details
1,177 miles nonstop takes roughly 3h 2m gate to gate, flying southeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time gain when reading arrival times on your ticket.
The two airports
- KEF — Keflavik International Airport · Keflavik, Iceland
- 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 KEF
- RKV · Reykjavik Airport22 mi away
- GUU · Grundarfjörður Airport72 mi away
- VEY · Vestmannaeyjar Airport81 mi away
- PFJ · Patreksfjörður Airport116 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 KEF from LHR?
The flight distance from Keflavik (KEF) to London (LHR) is 1,177 miles (1,895 km, 1,023 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from KEF to LHR?
A nonstop flight takes about 3h 2m 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 Keflavik and London?
London is 1 hour ahead of Keflavik.
What is the cheapest way to fly from KEF to LHR?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on KEF–LHR that never appear on search engines, with no booking fees.