180 € Cheap Flights from Reykjavik Keflavik to London Heathrow

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Travellers and cabin class, 1 Adult, Economy

Compare Reykjavik Keflavik to London Heathrow flight deals

Find the cheapest month or even day of the year to fly to London Heathrow

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Flight deals from Reykjavik Keflavik to London Heathrow

Looking for a cheap last-minute deal or the best return flight from Reykjavik Keflavik Airport to London Heathrow Airport? If you want to travel next month, return fares start from 237 €. Find the lowest prices on one-way and return tickets right here.

London.180 € per passenger.Departing Sat, 16 Jan, returning Sun, 17 Jan.Return flight with British Airways.Outbound direct flight with British Airways departs from Reykjavik Keflavik on Sat, 16 Jan, arriving in London Heathrow.Inbound direct flight with British Airways departs from London Heathrow on Sun, 17 Jan, arriving in Reykjavik Keflavik.Price includes taxes and charges.From 180 €, select.

London.182 € per passenger.Departing Fri, 12 Mar, returning Mon, 15 Mar.Return flight with British Airways.Outbound direct flight with British Airways departs from Reykjavik Keflavik on Fri, 12 Mar, arriving in London Heathrow.Inbound direct flight with British Airways departs from London Heathrow on Mon, 15 Mar, arriving in Reykjavik Keflavik.Price includes taxes and charges.From 182 €, select.

London.188 € per passenger.Departing Thu, 3 Dec, returning Thu, 10 Dec.Return flight with Lufthansa.Outbound indirect flight with Lufthansa, departs from Reykjavik Keflavik on Thu, 3 Dec, arriving in London Heathrow.Inbound indirect flight with Lufthansa, departs from London Heathrow on Thu, 10 Dec, arriving in Reykjavik Keflavik.Price includes taxes and charges.From 188 €, select.

London.191 € per passenger.Departing Fri, 12 Feb, returning Sun, 21 Feb.Return flight with British Airways.Outbound direct flight with British Airways departs from Reykjavik Keflavik on Fri, 12 Feb, arriving in London Heathrow.Inbound direct flight with British Airways departs from London Heathrow on Sun, 21 Feb, arriving in Reykjavik Keflavik.Price includes taxes and charges.From 191 €, select.

London.209 € per passenger.Departing Mon, 23 Nov, returning Mon, 30 Nov.Return flight with Scandinavian Airlines and Icelandair.Outbound indirect flight with Scandinavian Airlines, departs from Reykjavik Keflavik on Mon, 23 Nov, arriving in London Heathrow.Inbound indirect flight with Icelandair, departs from London Heathrow on Mon, 30 Nov, arriving in Reykjavik Keflavik.Price includes taxes and charges.From 209 €, select.

London.210 € per passenger.Departing Fri, 11 Dec, returning Tue, 15 Dec.Return flight with British Airways and Icelandair.Outbound direct flight with British Airways departs from Reykjavik Keflavik on Fri, 11 Dec, arriving in London Heathrow.Inbound direct flight with Icelandair departs from London Heathrow on Tue, 15 Dec, arriving in Reykjavik Keflavik.Price includes taxes and charges.From 210 €, select.

London.212 € per passenger.Departing Fri, 4 Dec, returning Sat, 9 Jan.Return flight with easyJet and Icelandair.Outbound indirect flight with easyJet, departs from Reykjavik Keflavik on Fri, 4 Dec, arriving in London Heathrow.Inbound indirect flight with Icelandair, departs from London Heathrow on Sat, 9 Jan, arriving in Reykjavik Keflavik.Price includes taxes and charges.From 212 €, select.

London.212 € per passenger.Departing Sat, 12 Dec, returning Mon, 11 Jan.Return flight with British Airways.Outbound direct flight with British Airways departs from Reykjavik Keflavik on Sat, 12 Dec, arriving in London Heathrow.Inbound direct flight with British Airways departs from London Heathrow on Mon, 11 Jan, arriving in Reykjavik Keflavik.Price includes taxes and charges.From 212 €, select.

London.213 € per passenger.Departing Tue, 27 Oct, returning Mon, 2 Nov.Return flight with Scandinavian Airlines and Icelandair.Outbound indirect flight with Scandinavian Airlines, departs from Reykjavik Keflavik on Tue, 27 Oct, arriving in London Heathrow.Inbound indirect flight with Icelandair, departs from London Heathrow on Mon, 2 Nov, arriving in Reykjavik Keflavik.Price includes taxes and charges.From 213 €, select.

London.213 € per passenger.Departing Wed, 18 Nov, returning Sat, 21 Nov.Return flight with Icelandair.Outbound direct flight with Icelandair departs from Reykjavik Keflavik on Wed, 18 Nov, arriving in London Heathrow.Inbound direct flight with Icelandair departs from London Heathrow on Sat, 21 Nov, arriving in Reykjavik Keflavik.Price includes taxes and charges.From 213 €, select.

London.213 € per passenger.Departing Mon, 30 Nov, returning Thu, 3 Dec.Return flight with Icelandair.Outbound direct flight with Icelandair departs from Reykjavik Keflavik on Mon, 30 Nov, arriving in London Heathrow.Inbound direct flight with Icelandair departs from London Heathrow on Thu, 3 Dec, arriving in Reykjavik Keflavik.Price includes taxes and charges.From 213 €, select.

London.214 € per passenger.Departing Fri, 27 Nov, returning Sun, 3 Jan.Return flight with British Airways.Outbound direct flight with British Airways departs from Reykjavik Keflavik on Fri, 27 Nov, arriving in London Heathrow.Inbound direct flight with British Airways departs from London Heathrow on Sun, 3 Jan, arriving in Reykjavik Keflavik.Price includes taxes and charges.From 214 €, select.

London.214 € per passenger.Departing Sat, 27 Feb, returning Thu, 4 Mar.Return flight with British Airways.Outbound direct flight with British Airways departs from Reykjavik Keflavik on Sat, 27 Feb, arriving in London Heathrow.Inbound direct flight with British Airways departs from London Heathrow on Thu, 4 Mar, arriving in Reykjavik Keflavik.Price includes taxes and charges.From 214 €, select.

London.215 € per passenger.Departing Tue, 6 Apr, returning Mon, 12 Apr.Return flight with Scandinavian Airlines.Outbound indirect flight with Scandinavian Airlines, departs from Reykjavik Keflavik on Tue, 6 Apr, arriving in London Heathrow.Inbound indirect flight with Scandinavian Airlines, departs from London Heathrow on Mon, 12 Apr, arriving in Reykjavik Keflavik.Price includes taxes and charges.From 215 €, select.

London.227 € per passenger.Departing Sun, 10 Jan, returning Sat, 20 Feb.Return flight with Icelandair.Outbound direct flight with Icelandair departs from Reykjavik Keflavik on Sun, 10 Jan, arriving in London Heathrow.Inbound direct flight with Icelandair departs from London Heathrow on Sat, 20 Feb, arriving in Reykjavik Keflavik.Price includes taxes and charges.From 227 €, select.

London.228 € per passenger.Departing Sat, 15 May, returning Mon, 17 May.Return flight with Scandinavian Airlines.Outbound indirect flight with Scandinavian Airlines, departs from Reykjavik Keflavik on Sat, 15 May, arriving in London Heathrow.Inbound indirect flight with Scandinavian Airlines, departs from London Heathrow on Mon, 17 May, arriving in Reykjavik Keflavik.Price includes taxes and charges.From 228 €, select.

Find the cheapest month to fly from Reykjavik Keflavik to London Heathrow

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Reykjavik Keflavik to London Heathrow flights are currently cheapest in January.

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Direct flights from Reykjavik Keflavik to London Heathrow

Reykjavik Keflavik to London Heathrow: Alternative routes

Compare routes from Reykjavik Keflavik to London below. You may find an airport to fly into that's cheaper, faster, or easier than London Heathrow.

Reykjavik to London: Flight information

The things to know before you go.

Cheapest flight found	180 €
Cheapest month to fly	January
Average flight time	3 hrs, 10 mins
Most popular airline	Icelandair
Average flights per week	103

Finding cheap flights from Reykjavik Keflavik to London Heathrow: Frequently asked questions

How much are return flights from Reykjavik Keflavik to London Heathrow?

The best price we found for a return flight from Reykjavik Keflavik to London Heathrow is 180 €. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.

How long does it take to fly from Reykjavik Keflavik to London Heathrow?

3 hours and 10 minutes is the average flight time from Reykjavik Keflavik to London Heathrow.

Which airlines fly direct from Reykjavik Keflavik to London Heathrow?

Icelandair, Emirates and Air India fly direct from Reykjavik Keflavik to London Heathrow.

How many flights are there a week from Reykjavik Keflavik to London Heathrow?

As of September 2026, there are 103 flights per week flying from Reykjavik Keflavik to London Heathrow.

When is the cheapest time to fly from Reykjavik Keflavik to London Heathrow?

The cheapest month to fly from Reykjavik Keflavik to London Heathrow is usually January.

Which upcoming date is cheapest to fly from Reykjavik Keflavik Airport to London Heathrow Airport on?

After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Reykjavik Keflavik Airport to London Heathrow Airport on Saturday, 16 January 2027.

Can I get a direct flight from Reykjavik Keflavik Airport to London Heathrow Airport?

Yes – the average flight time is 3 hours and 10 minutes.

How can I find the best flight deal to London Heathrow?

We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to London Heathrow but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

When is the best time to book flights to London?

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to London is around 40 days in advance, so don’t leave your flight to the last minute.

Which is the cheapest airline to fly from Reykjavik Keflavik Airport to London Heathrow with?

Currently, British Airways offers the cheapest flight tickets to London Heathrow.

Travelling from Reykjavik Keflavik Airport (KEF) to London Heathrow Airport (LHR): what you need to know

Book a direct flight from Reykjavik Keflavik Airport to London Heathrow Airport and you'll be in the air for an average of 3 hours 10 minutes.
Reykjavik and London share the UTC+0 timezone. That means there's no time difference to adjust for.
Every week, there are 21 Reykjavik Keflavik Airport to London Heathrow Airport flights. If you prefer to jet off as early as possible, select the 07:35 Icelandair flight. If you're eager to make the most of your time before you fly, the latest flight is at 18:45 with British Airways.
Your KEF to LHR flight won't wait if you're running late, so get to the airport with time to spare. Arrive up to one hour in advance for domestic flights and two hours ahead for international travel.
During popular months such as August, it's a good idea to get to the airport earlier than usual. Arrive two hours before a domestic departure and four hours ahead for an international flight whenever you're travelling during a peak period in general.
Flying into London (and then seeing more of the United Kingdom!) is a cinch with Flugfélag Íslands. This popular airline has direct flights from Reykjavik Keflavik Airport to London Heathrow Airport.
The majority of travellers choose to travel with Flugfélag Íslands on this route.
With an impressive 86.67% of services arriving as planned, Flugfélag Íslands is the most punctual carrier for KEF to LHR flights.
If you'd like to add a stop to your trip, just uncheck 'Direct flights only' when searching for your ticket from Reykjavik Keflavik Airport to London Heathrow Airport. Here are the top stopovers between KEF and LHR:
- Dublin Airport
- Glasgow Intl Airport
- Newcastle Airport

How to find the cheapest flights from Reykjavik Keflavik Airport (KEF) to London Heathrow Airport (LHR)

The cheapest price we've found for a one-way Reykjavik Keflavik Airport to London Heathrow Airport flight is 85 €. A return plane ticket right now is 180 €. Depending on the availability when you book, these fares can change.
Get cheap tickets from KEF to LHR by booking eight months ahead. According to our research, that's the sweet spot for bagging a bargain.
The cheapest month for flights from Reykjavik Keflavik Airport to London Heathrow Airport is January. Use the 'Whole month' tool to see the lowest prices if you have flexible travel dates.
There's no need to check every day to see if fares have dropped when you set up a Price Alert. We'll update you as soon as there's a better deal on cheap flights from KEF to LHR.
Select your preferred arrival and departure times, number of stops and airlines with the filters. Alternatively, sort your results by 'Cheapest' to see the best deals on flights from Reykjavik Keflavik Airport to London Heathrow Airport.

Handy information about Reykjavik Keflavik Airport (KEF)

Of all flights leaving Reykjavik Keflavik Airport, 78% land on time at their destination.
Reykjavik Keflavik Airport is about 48 kilometres from central Reykjavik. If you're ride-sharing, catching a taxi or driving from the centre, it'll take you 45 minutes or so to arrive, depending on the traffic.
The journey when using public transport typically takes 55 minutes.
Catching an early flight from Reykjavik Keflavik Airport to London Heathrow Airport? Avoid the stress of rushing to the terminal (and get some extra shut-eye) by picking one of these hotels near KEF:

Arriving at London Heathrow Airport (LHR)

The last thing you need is a long trip to your hotel if you're getting in late on a Reykjavik Keflavik Airport to London Heathrow Airport flight. Book one of these accommodation options near LHR instead:
Travel at your own pace with a London Heathrow Airport rental car. Pick up a set of wheels from Surprice, U-Save or Green Motion and experience more of London and beyond.
Booking your vehicle from London Heathrow Airport about one week in advance gives you the best chance of locking in a great deal.

When to fly to London Heathrow Airport (LHR)

July is the most popular month for flights from Reykjavik Keflavik Airport to London Heathrow Airport. To escape the crowds, go to London in March.
The warmest month in London is July, with temperatures ranging between 11ºC (52ºF) and 26ºC (79ºF). Book your flights from Reykjavik Keflavik Airport to London Heathrow Airport in this month if this is the type of weather you enjoy.
January has average temperatures of between 0ºC (32ºF) and 9ºC (48ºF). Search for cheap tickets from KEF to LHR sometime around then if you want to travel when it's cooler.

Explore more of the United Kingdom

London is easy to fall in love with, but there are so many other corners of the United Kingdom you'll want to see. Around 257 kilometres north-west of London, a visit to Manchester will keep you on the move. Start with attractions like Manchester United Museum & Stadium Tour, The Homes of Football and Museum of Science and Industry.
Around 161 kilometres north-west of London, Birmingham is another favourite stop in the United Kingdom. Get a taste of what this destination has to offer at Birmingham Museum & Art Gallery, Birmingham Hippodrome Theatre and Bournville Experience.