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Cheap flights from Reykjavik Keflavik Intl Airport to London from £51

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight from Reykjavik Keflavik Intl Airport to London departing on 5/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Reykjavik Keflavik Intl Airport to London

Cheap return flights

easyJet Logo
10:00 - 12:55KEF-LTN
2h 55mdirect
easyJet Logo
08:00 - 11:15LTN-KEF
3h 15mdirect
£51easyJet
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Thu, 5 Feb - Wed, 11 Feb
easyJet Logo
10:00 - 12:55KEF-LTN
2h 55mdirect
easyJet Logo
06:00 - 09:15LTN-KEF
3h 15mdirect
£53easyJet
Find Deal
Thu, 4 Dec - Sun, 7 Dec
easyJet Logo
17:55 - 20:50KEF-LTN
2h 55mdirect
easyJet Logo
08:00 - 11:15LTN-KEF
3h 15mdirect
£54easyJet
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Thu, 20 Nov - Wed, 26 Nov
Logo
17:55 - 20:50KEF-LTN
2h 55mdirect
Logo
20:05 - 11:55LTN-KEF
15h 50m1 stop
£91
Find Deal
Thu, 6 Nov - Mon, 10 Nov
Logo
17:55 - 20:50KEF-LTN
2h 55mdirect
Logo
20:05 - 11:55LTN-KEF
15h 50m1 stop
£93
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Thu, 6 Nov - Mon, 10 Nov
PLAY Logo
06:40 - 10:40KEF-STN
3h 00mdirect
PLAY Logo
11:40 - 13:45STN-KEF
3h 05mdirect
£108PLAY
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Wed, 8 Oct - Wed, 15 Oct
Wizz Air Logo
19:35 - 07:40KEF-LTN
12h 05m1 stop
Wizz Air Logo
08:25 - 18:55LTN-KEF
10h 30m1 stop
£124Wizz Air
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Thu, 20 Nov - Sun, 23 Nov
PLAY Logo
06:40 - 10:40KEF-STN
3h 00mdirect
PLAY Logo
11:40 - 13:45STN-KEF
3h 05mdirect
£125PLAY
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Thu, 9 Oct - Thu, 16 Oct
British Airways Logo
18:10 - 21:10KEF-LHR
3h 00mdirect
British Airways Logo
07:35 - 10:55LHR-KEF
3h 20mdirect
£130British Airways
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Fri, 9 Jan - Mon, 12 Jan
British Airways Logo
11:45 - 14:55KEF-LHR
3h 10mdirect
British Airways Logo
13:40 - 17:05LHR-KEF
3h 25mdirect
£133British Airways
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Thu, 4 Dec - Sun, 7 Dec

KLM flights from Reykjavik Keflavik Intl Airport to London

Our best KLM deals on Reykjavik Keflavik Intl Airport to London flight tickets
KLM
6 Nov
KEF20:00Reykjavik Keflavik Intl
20h 05m
1 stop
LHR16:05London Heathrow
10 Nov
LHR08:40London Heathrow
10h 25m
1 stop
KEF19:05Reykjavik Keflavik Intl
£170
Find similar
KLM
9 Jan
KEF11:25Reykjavik Keflavik Intl
9h 25m
1 stop
LHR20:50London Heathrow
12 Jan
LHR10:00London Heathrow
9h 05m
1 stop
KEF19:05Reykjavik Keflavik Intl
£171
Find similar
KLM
23 Jan
KEF11:25Reykjavik Keflavik Intl
9h 25m
1 stop
LHR20:50London Heathrow
25 Jan
LHR08:40London Heathrow
10h 25m
1 stop
KEF19:05Reykjavik Keflavik Intl
£177
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Lufthansa flights from Reykjavik Keflavik Intl Airport to London

Our best Lufthansa deals on Reykjavik Keflavik Intl Airport to London flight tickets
Lufthansa
21 Sept
KEF00:25Reykjavik Keflavik Intl
6h 15m
1 stop
LHR07:40London Heathrow
8 May
LHR20:25London Heathrow
28h 45m
1 stop
KEF00:10Reykjavik Keflavik Intl
£245
Find similar
Lufthansa
30 Sept
KEF01:15Reykjavik Keflavik Intl
17h 25m
1 stop
LHR19:40London Heathrow
4 Oct
LHR17:50London Heathrow
7h 20m
1 stop
KEF00:10Reykjavik Keflavik Intl
£247
Find similar
Lufthansa
30 Sept
KEF16:10Reykjavik Keflavik Intl
21h 30m
2 stops
LHR14:40London Heathrow
14 Oct
LHR06:55London Heathrow
9h 20m
2 stops
KEF15:15Reykjavik Keflavik Intl
£256
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momondo Fare Finder

 
Customise your flight search to find flights from Reykjavik Keflavik Intl Airport to London that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 279,928 searches. Data last updated 16 September 2025.
Use the filters below to find and compare flights from Reykjavik Keflavik Intl Airport to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ReykjavikLondon

KEF - LTN

KEFLTN

Reykjavik Keflavik Intl

Thu 5/2

10:00-12:55

Nonstop2h 55m

London Luton

Wed 11/2

08:00-11:15

Nonstop3h 15m

£51

ReykjavikLondon

KEF - LTN

KEFLTN

Reykjavik Keflavik Intl

Thu 4/12

10:00-12:55

Nonstop2h 55m

London Luton

Sun 7/12

06:00-09:15

Nonstop3h 15m

£53

ReykjavikLondon

KEF - LTN

KEFLTN

Reykjavik Keflavik Intl

Thu 20/11

17:55-20:50

Nonstop2h 55m

London Luton

Wed 26/11

08:00-11:15

Nonstop3h 15m

£54

ReykjavikLondon

KEF - LTN

KEFLTN

Reykjavik Keflavik Intl

Thu 6/11

17:55-20:50

Nonstop2h 55m

London Luton

Mon 10/11

20:05-11:55

1 stop15h 50m

£91

ReykjavikLondon

KEF - LTN

KEFLTN

Reykjavik Keflavik Intl

Thu 6/11

17:55-20:50

Nonstop2h 55m

London Luton

Mon 10/11

20:05-11:55

1 stop15h 50m

£93

ReykjavikLondon

KEF - STN

KEFSTN

Reykjavik Keflavik Intl

Wed 8/10

06:40-10:40

Nonstop3h 00m

London Stansted

Wed 15/10

11:40-13:45

Nonstop3h 05m

£108

ReykjavikLondon

KEF - LTN

KEFLTN

Reykjavik Keflavik Intl

Thu 20/11

19:35-07:40

1 stop12h 05m

London Luton

Sun 23/11

08:25-18:55

1 stop10h 30m

£124

ReykjavikLondon

KEF - STN

KEFSTN

Reykjavik Keflavik Intl

Thu 9/10

06:40-10:40

Nonstop3h 00m

London Stansted

Thu 16/10

11:40-13:45

Nonstop3h 05m

£125

ReykjavikLondon

KEF - LHR

KEFLHR

Reykjavik Keflavik Intl

Fri 9/1

18:10-21:10

Nonstop3h 00m

London Heathrow

Mon 12/1

07:35-10:55

Nonstop3h 20m

£130

ReykjavikLondon

KEF - LHR

KEFLHR

Reykjavik Keflavik Intl

Thu 4/12

11:45-14:55

Nonstop3h 10m

London Heathrow

Sun 7/12

13:40-17:05

Nonstop3h 25m

£133

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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See travel insights to London from

How to get the cheapest flight ticket from Reykjavik Keflavik Intl Airport to London

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Reykjavik Keflavik Intl Airport and London?

What is the cheapest month to fly to London?

The cheapest month to fly to London from Reykjavik Keflavik Intl Airport is in March. Flight prices, which tend to average around £96, are often lower during this time because this is during the off-season. The month of February is another great option to travel to London, with average flight prices from Reykjavik Keflavik Intl Airport averaging around £97.

What is the cheapest day to depart on your flight to London?

Our data shows that Sunday is the least expensive day to fly to London. Tickets to fly out on this day can be as low as £88. When flying out on a Thursday, the most expensive travel day of the week, you can expect to see flight prices from Reykjavik Keflavik Intl Airport to London for around £219.

What is the cheapest time of day to depart on your flight to London?

The cheapest time of day to fly to London is in the afternoon when flights can be purchased for as low as £118. Flights in the evening are often more expensive, with an average ticket price of £301.

What is the cheapest Reykjavik Keflavik Intl to London flight route?

Fly from Reykjavik Keflavik Intl to London Luton for the best Reykjavik Keflavik Intl - London flight prices

What cabin class options are available on Reykjavik Keflavik Intl to London flights?

There are 3 cabin classes available to choose from on Reykjavik Keflavik Intl to London flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Reykjavik Keflavik Intl Airport to London flights?

You could potentially save up to 4% on your flight if you consider stops on a Reykjavik Keflavik Intl Airport to London flight.

How have Reykjavik Keflavik Intl Airport to London flight prices changed over time?

As of September 2025, prices for Reykjavik Keflavik Intl Airport to London flights are approximately 11% more expensive when compared to flights at the same time last year.

When to book flights from Reykjavik Keflavik Intl Airport to London

Are you open to changing your travel dates? Check out the ideal times to fly from Reykjavik Keflavik Intl Airport to London according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Reykjavik Keflavik Intl Airport to London (KEF to LON) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Reykjavik Keflavik Intl Airport to London

Best price found

£120

Fastest flight time

2h 55m

Direct flights

Every day

Airports in London

3 airports
The best one-way flight to London from Reykjavik Keflavik Intl Airport in the past 72 hours is £120. The best return flight deal from Reykjavik Keflavik Intl Airport to London found on momondo in the last 72 hours is £75.
The fastest flight from Reykjavik Keflavik Intl Airport to London takes 2h 55m
Direct flights go from Reykjavik Keflavik Intl Airport to London every day.
There are 3 airports near London: London Luton (LTN), London Heathrow (LHR), London Stansted (STN)
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  • How far is Reykjavik Keflavik Intl to London by plane?

    London is 1183.3 mi away from Reykjavik Keflavik Intl. Typically, this will take 2h 55m by plane in normal conditions.

  • When did momondo last update prices for flights from Reykjavik Keflavik Intl Airport to London?

    Prices for flights from Reykjavik Keflavik Intl Airport to London were last updated today.

  • How old do you have to be to fly from Reykjavik Keflavik Intl Airport to London?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Reykjavik Keflavik Intl Airport to London.

  • What documentation or ID do you need to fly to London?

    The travel and health documents you'll need for your trip to London may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at London. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Reykjavik Keflavik Intl Airport to London?

  • What is the most popular airline from Reykjavik Keflavik Intl Airport to London?

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Eastbourne
Luton
Milton Keynes
Maidstone
Gatwick
Slough
Canterbury
Southend-on-Sea
Ipswich
Ilford
Guildford
Colchester
Worthing
Chelmsford
Dover
Hayes
Dartford
Winchester
Hounslow
Stansted

Why use momondo?

Why should I use momondo to find a flight deal from Reykjavik to London?

It is quick and easy to find Reykjavik to London flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to London that suits you.

Can I find flights from Reykjavik to London with flexible booking policies on momondo?

Flights from Reykjavik to London with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Reykjavik to London?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Reykjavik to London.

I’m not ready to book a flight from Reykjavik to London right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Reykjavik to London flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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Find better results for your trip to the United Kingdom

Fly into one of these airports located in London

Airports listed have a maximum distance of 35.6 mi from London
London City Airport
London Gatwick Airport
London Heathrow Airport
London Luton Airport
London Southend Airport
London Stansted Airport