December is by far the best month, wherein you can get cheapest flights for Keflavik to London. Meanwhile, is perceived as the expensive month due to the varying factors. That’s why it’s highly advised to make advanced online flight booking to save huge amounts of money.
Disclaimer - All the above-mentioned fares were found within last 48 hrs. The displayed fares are based on historical data and are subject to change. The fares cannot be guaranteed at the time of booking.

KEF
11:50
Keflavik
Keflavik International Airport
Sun , 14 Dec 2025

LHR
15:00
London
London Heathrow Airport
Sun, 14 Dec 2025

KEF
17:55
Keflavik
Keflavik International Airport
Sun , 14 Dec 2025

LHR
20:55
London
London Heathrow Airport
Sun, 14 Dec 2025

KEF
20:05
Keflavik
Keflavik International Airport
Sun , 14 Dec 2025

LHR
07:40
London
London Heathrow Airport
Mon, 15 Dec 2025

KEF
16:25
Keflavik
Keflavik International Airport
Sun , 14 Dec 2025

LHR
08:55
London
London Heathrow Airport
Mon, 15 Dec 2025

KEF
16:25
Keflavik
Keflavik International Airport
Sun , 14 Dec 2025

LHR
15:15
London
London Heathrow Airport
Mon, 15 Dec 2025

KEF
11:15
Keflavik
Keflavik International Airport
Sun , 14 Dec 2025

LHR
18:50
London
London Heathrow Airport
Sun, 14 Dec 2025

KEF
11:30
Keflavik
Keflavik International Airport
Sun , 14 Dec 2025

LHR
17:40
London
London Heathrow Airport
Sun, 14 Dec 2025

KEF
16:20
Keflavik
Keflavik International Airport
Sun , 14 Dec 2025

LHR
19:30
London
London Heathrow Airport
Sun, 14 Dec 2025

KEF
11:15
Keflavik
Keflavik International Airport
Sun , 14 Dec 2025

LHR
21:25
London
London Heathrow Airport
Sun, 14 Dec 2025

KEF
07:35
Keflavik
Keflavik International Airport
Sun , 14 Dec 2025

LHR
17:00
London
London Heathrow Airport
Sun, 14 Dec 2025

KEF
11:15
Keflavik
Keflavik International Airport
Sun , 14 Dec 2025

LHR
20:50
London
London Heathrow Airport
Sun, 14 Dec 2025










Flying from Keflavik to London has never been easier. Whether you’re planning a short business trip, a weekend getaway, or reconnecting with family and friends, Easemytrip brings you the best deals, seamless booking, and flexible options for this popular flight route. Our platform is built to help travellers like you compare flight prices, explore direct and connecting options, and find the perfect departure time — all within a few clicks.
The air route between Keflavik to London is one of the most frequently travelled, offering reliable services from top airlines and excellent connectivity between Keflavik International Airport (KEF) and London Heathrow Airport (LHR). You can expect a flight distance of approximately 1894 km, and most direct services cover it in around 09:22.
Let’s take a closer look at everything you need to know before booking your flight from Keflavik to London.
| Flight Details | Information |
|---|---|
| Route Distance | 1894 km |
| Average Flight Time | 09:22 hrs |
| Departure Airport | Keflavik International Airport (KEF) |
| Arrival Airport | London Heathrow Airport (LHR) |
| Cabin Classes Available | Economy Class, Premium Economy, Business Class, First Class |
| Direct Flights | YES |
| Common Airlines | British Airways, KLM Royal Dutch Airlines, Scandinavian Airlines, Finnair |
The route is serviced regularly by both full-service and budget airlines, catering to all types of travellers — from those looking for no-frills budget options to those preferring business and first-class comfort. If you're flying for business, early morning weekday flights are a great choice, while leisure travellers often opt for weekend and evening departures.