Cheap flights from Reykjavik Keflavik Intl Airport to London from £43

This is the cheapest one-way 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 24/5. 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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0 bags
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Cheap return flights

Enter your travel dates to find the best prices.
easyJet Logo
19:40 - 22:40
KEF
-
LTN
3h 00mdirect
easyJet Logo
07:00 - 10:15
LTN
-
KEF
3h 15mdirect
£64easyJet
Fri, 6 Mar - Tue, 10 Mar
easyJet Logo
19:15 - 22:25
KEF
-
LGW
3h 10mdirect
easyJet Logo
08:00 - 11:30
LGW
-
KEF
3h 30mdirect
£76easyJet
Fri, 6 Mar - Tue, 10 Mar
easyJet Logo
19:40 - 22:40
KEF
-
LTN
3h 00mdirect
easyJet Logo
06:00 - 09:15
LTN
-
KEF
3h 15mdirect
£76easyJet
Fri, 13 Feb - Sun, 22 Feb
British Airways Logo
11:45 - 14:55
KEF
-
LHR
3h 10mdirect
British Airways Logo
07:20 - 10:40
LHR
-
KEF
3h 20mdirect
£125British Airways
Thu, 15 Jan - Sun, 18 Jan
British Airways Logo
11:50 - 15:00
KEF
-
LHR
3h 10mdirect
British Airways Logo
07:35 - 10:55
LHR
-
KEF
3h 20mdirect
£128British Airways
Tue, 13 Jan - Tue, 20 Jan
Multiple Airlines Logo
19:35 - 09:15
KEF
-
STN
13h 40m1 stop
Multiple Airlines Logo
08:20 - 18:55
STN
-
KEF
10h 35m1 stop
£135Multiple Airlines
Thu, 5 Feb - Sun, 8 Feb
Multiple Airlines Logo
09:50 - 09:35
KEF
-
STN
23h 45m2 stops
Multiple Airlines Logo
07:50 - 16:25
STN
-
KEF
8h 35m1 stop
£139Multiple Airlines
Fri, 6 Mar - Tue, 10 Mar
KLM Logo
11:25 - 17:20
KEF
-
LCY
5h 55m1 stop
KLM Logo
07:45 - 19:05
LCY
-
KEF
11h 20m1 stop
£194KLM
Fri, 23 Jan - Wed, 28 Jan
KLM Logo
20:00 - 07:15
KEF
-
LCY
11h 15m1 stop
KLM Logo
07:45 - 19:05
LCY
-
KEF
11h 20m1 stop
£206KLM
Thu, 22 Jan - Wed, 28 Jan
SWISS Logo
14:05 - 08:40
KEF
-
LCY
18h 35m1 stop
SWISS Logo
17:40 - 13:05
LCY
-
KEF
19h 25m1 stop
£265SWISS
Wed, 11 Feb - Tue, 17 Feb

British Airways flights from Reykjavik Keflavik Intl Airport to London

Our best British Airways deals on Reykjavik Keflavik Intl Airport to London flight tickets
British Airways
13 Jan
KEF11:50Reykjavik Keflavik Intl
3h 10m
LHR15:00London Heathrow
20 Jan
LHR07:35London Heathrow
3h 20m
KEF10:55Reykjavik Keflavik Intl
British Airways
15 Jan
KEF11:45Reykjavik Keflavik Intl
3h 10m
LHR14:55London Heathrow
18 Jan
LHR07:20London Heathrow
3h 20m
KEF10:40Reykjavik Keflavik Intl
British Airways
14 Jan
KEF11:50Reykjavik Keflavik Intl
3h 10m
LHR15:00London Heathrow
21 Jan
LHR07:30London Heathrow
3h 20m
KEF10:50Reykjavik Keflavik Intl

KLM flights from Reykjavik Keflavik Intl Airport to London

Our best KLM deals on Reykjavik Keflavik Intl Airport to London flight tickets
KLM
22 Jan
KEF20:00Reykjavik Keflavik Intl
13h 00m
1 stop
LHR09:00London Heathrow
28 Jan
LHR10:00London Heathrow
9h 05m
1 stop
KEF19:05Reykjavik Keflavik Intl
KLM
15 Jan
KEF20:00Reykjavik Keflavik Intl
11h 40m
1 stop
LHR07:40London Heathrow
18 Jan
LHR08:40London Heathrow
10h 25m
1 stop
KEF19:05Reykjavik Keflavik Intl

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 18 December 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

Fri 6/3

19:40-22:40

Nonstop3h 00m

London Luton

Tue 10/3

07:00-10:15

Nonstop3h 15m

£64

ReykjavikLondon

KEF - LGW

KEFLGW

Reykjavik Keflavik Intl

Fri 6/3

19:15-22:25

Nonstop3h 10m

London Gatwick

Tue 10/3

08:00-11:30

Nonstop3h 30m

£76

ReykjavikLondon

KEF - LTN

KEFLTN

Reykjavik Keflavik Intl

Fri 13/2

19:40-22:40

Nonstop3h 00m

London Luton

Sun 22/2

06:00-09:15

Nonstop3h 15m

£76

ReykjavikLondon

KEF - LHR

KEFLHR

Reykjavik Keflavik Intl

Thu 15/1

11:45-14:55

Nonstop3h 10m

London Heathrow

Sun 18/1

07:20-10:40

Nonstop3h 20m

£125

ReykjavikLondon

KEF - LHR

KEFLHR

Reykjavik Keflavik Intl

Tue 13/1

11:50-15:00

Nonstop3h 10m

London Heathrow

Tue 20/1

07:35-10:55

Nonstop3h 20m

£128

ReykjavikLondon

KEF - STN

KEFSTN

Reykjavik Keflavik Intl

Thu 5/2

19:35-09:15

1 stop13h 40m

London Stansted

Sun 8/2

08:20-18:55

1 stop10h 35m

£135

ReykjavikLondon

KEF - STN

KEFSTN

Reykjavik Keflavik Intl

Fri 6/3

09:50-09:35

2 stops23h 45m

London Stansted

Tue 10/3

07:50-16:25

1 stop8h 35m

£139

ReykjavikLondon

KEF - LCY

KEFLCY

Reykjavik Keflavik Intl

Fri 23/1

11:25-17:20

1 stop5h 55m

London City

Wed 28/1

07:45-19:05

1 stop11h 20m

£194

ReykjavikLondon

KEF - LCY

KEFLCY

Reykjavik Keflavik Intl

Thu 22/1

20:00-07:15

1 stop11h 15m

London City

Wed 28/1

07:45-19:05

1 stop11h 20m

£206

ReykjavikLondon

KEF - LCY

KEFLCY

Reykjavik Keflavik Intl

Wed 11/2

14:05-08:40

1 stop18h 35m

London City

Tue 17/2

17:40-13:05

1 stop19h 25m

£265

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 cheapest month to fly to London?

The cheapest month to fly to London from Reykjavik Keflavik Intl Airport is in February. Flight prices, which tend to average around £99, are often lower during this time because this is during the off-season. The month of March is another great option to travel to London, with average flight prices from Reykjavik Keflavik Intl Airport averaging around £120.

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 £90. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from Reykjavik Keflavik Intl Airport to London for around £250.

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 morning when flights can be purchased for as low as £146. Flights in the evening are often more expensive, with an average ticket price of £250.

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?

No. A direct flight is the cheapest option for a flight between Reykjavik Keflavik Intl Airport to London.

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

As of December 2025, prices for Reykjavik Keflavik Intl Airport to London flights are approximately 281% 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

£100

Fastest flight time

2h 55m

Direct flights

Mon, Tue, Wed, Thu, Fri and Sat

Airports in London

6 airports
The best one-way flight to London from Reykjavik Keflavik Intl Airport in the past 72 hours is £100. The best return flight deal from Reykjavik Keflavik Intl Airport to London found on momondo in the last 72 hours is £750.
The fastest flight from Reykjavik Keflavik Intl Airport to London takes 2h 55m
Direct flights go from Reykjavik Keflavik Intl Airport to London on Monday, Tuesday, Wednesday, Thursday, Friday and Saturday. There are no airlines offering direct flights..
There are 6 airports in London. From Reykjavik Keflavik Intl Airport there are direct flights to London Luton (LTN), London Heathrow (LHR), London Stansted (STN), London Gatwick (LGW).
  • 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
Milton Keynes
Luton
Gatwick
Maidstone
Slough
Southend-on-Sea
Canterbury
Ipswich
Ilford
Guildford
Hayes
Chelmsford
Dover
Worthing
Colchester
Bedford
Ramsgate
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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1 adult
Sat 17/1
Sat 24/1

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