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Cheap flights from London to Reykjavik from $81

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London to Reykjavik departing on 11/27. 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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Cheap round-trip flights

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easyJet Logo
7:00 am - 10:15 amLTN-KEF
3h 15mnonstop
easyJet Logo
7:40 pm - 10:40 pmKEF-LTN
3h 00mnonstop
$112easyJet
Find Deal
mar., dic. 9 - vie., dic. 12
easyJet Logo
7:40 am - 11:10 amLGW-KEF
3h 30mnonstop
easyJet Logo
12:00 pm - 3:10 pmKEF-LGW
3h 10mnonstop
$112easyJet
Find Deal
lun., mar. 2 - lun., mar. 9
Multiple Airlines Logo
1:55 pm - 5:15 pmLGW-KEF
3h 20mnonstop
Multiple Airlines Logo
8:20 pm - 8:15 amKEF-LGW
11h 55m1 stop
$141Multiple Airlines
Find Deal
mié., ene. 14 - vie., ene. 16
Icelandair Logo
8:35 pm - 11:55 pmLHR-KEF
3h 20mnonstop
Icelandair Logo
7:35 am - 10:50 amKEF-LHR
3h 15mnonstop
$154Icelandair
Find Deal
vie., ene. 16 - jue., ene. 22
Icelandair Logo
8:35 pm - 11:55 pmLHR-KEF
3h 20mnonstop
Icelandair Logo
4:20 pm - 7:30 pmKEF-LHR
3h 10mnonstop
$156Icelandair
Find Deal
mar., dic. 9 - vie., dic. 12
British Airways Logo
7:35 am - 10:55 amLHR-KEF
3h 20mnonstop
British Airways Logo
11:55 am - 3:05 pmKEF-LHR
3h 10mnonstop
$160British Airways
Find Deal
sáb., dic. 6 - sáb., dic. 13
British Airways Logo
7:35 am - 10:55 amLHR-KEF
3h 20mnonstop
British Airways Logo
6:10 pm - 9:10 pmKEF-LHR
3h 00mnonstop
$172British Airways
Find Deal
mar., ene. 20 - vie., feb. 6
Multiple Airlines Logo
8:35 pm - 11:55 pmLHR-KEF
3h 20mnonstop
Multiple Airlines Logo
11:50 am - 3:00 pmKEF-LHR
3h 10mnonstop
$192Multiple Airlines
Find Deal
mié., ene. 14 - vie., ene. 16
Scandinavian Airlines Logo
5:30 pm - 10:45 amLHR-KEF
17h 15m1 stop
Scandinavian Airlines Logo
11:15 am - 9:35 pmKEF-LHR
10h 20m1 stop
$194Scandinavian Airlines
Find Deal
mié., dic. 3 - dom., dic. 7
Scandinavian Airlines Logo
3:35 pm - 10:30 amLHR-KEF
18h 55m1 stop
Scandinavian Airlines Logo
11:30 am - 6:30 pmKEF-LHR
7h 00m1 stop
$206Scandinavian Airlines
Find Deal
sáb., ene. 24 - mar., ene. 27

Icelandair flights from London to Reykjavik Keflavik Intl Airport

Our best Icelandair deals on London to Reykjavik Keflavik Intl Airport flight tickets
Icelandair
Jan 16
LHR8:35 pmLondon Heathrow
3h 20m
KEF11:55 pmReykjavik Keflavik Intl
Jan 22
KEF7:35 amReykjavik Keflavik Intl
3h 15m
LHR10:50 amLondon Heathrow
$154
Find similar
Icelandair
Dec 9
LHR8:35 pmLondon Heathrow
3h 20m
KEF11:55 pmReykjavik Keflavik Intl
Dec 12
KEF4:20 pmReykjavik Keflavik Intl
3h 10m
LHR7:30 pmLondon Heathrow
$156
Find similar
Icelandair
Dec 6
LHR8:35 pmLondon Heathrow
3h 20m
KEF11:55 pmReykjavik Keflavik Intl
Dec 10
KEF4:20 pmReykjavik Keflavik Intl
3h 10m
LHR7:30 pmLondon Heathrow
$159
Find similar

British Airways flights from London to Reykjavik Keflavik Intl Airport

Our best British Airways deals on London to Reykjavik Keflavik Intl Airport flight tickets
British Airways
Dec 6
LHR7:35 amLondon Heathrow
3h 20m
KEF10:55 amReykjavik Keflavik Intl
Dec 13
KEF11:55 amReykjavik Keflavik Intl
3h 10m
LHR3:05 pmLondon Heathrow
$160
Find similar
British Airways
Jan 20
LHR7:35 amLondon Heathrow
3h 20m
KEF10:55 amReykjavik Keflavik Intl
Feb 6
KEF6:10 pmReykjavik Keflavik Intl
3h 00m
LHR9:10 pmLondon Heathrow
$172
Find similar
British Airways
Nov 26
LHR7:30 amLondon Heathrow
3h 20m
KEF10:50 amReykjavik Keflavik Intl
Dec 5
KEF6:10 pmReykjavik Keflavik Intl
3h 00m
LHR9:10 pmLondon Heathrow
$180
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from London to Reykjavik Keflavik Intl Airport 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 832,500 searches. Data last updated octubre 30, 2025.
Use the filters below to find and compare flights from London to Reykjavik Keflavik Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonReykjavik

LTN - KEF

LTNKEF

London Luton

mar. 12/9

7:00 am-10:15 am

Nonstop3h 15m

Reykjavik Keflavik Intl

vie. 12/12

7:40 pm-10:40 pm

Nonstop3h 00m

$112

LondonReykjavik

LGW - KEF

LGWKEF

London Gatwick

lun. 3/2

7:40 am-11:10 am

Nonstop3h 30m

Reykjavik Keflavik Intl

lun. 3/9

12:00 pm-3:10 pm

Nonstop3h 10m

$112

LondonReykjavik

LGW - KEF

LGWKEF

London Gatwick

mié. 1/14

1:55 pm-5:15 pm

Nonstop3h 20m

Reykjavik Keflavik Intl

vie. 1/16

8:20 pm-8:15 am

1 stop11h 55m

$141

LondonReykjavik

LHR - KEF

LHRKEF

London Heathrow

vie. 1/16

8:35 pm-11:55 pm

Nonstop3h 20m

Reykjavik Keflavik Intl

jue. 1/22

7:35 am-10:50 am

Nonstop3h 15m

$154

LondonReykjavik

LHR - KEF

LHRKEF

London Heathrow

mar. 12/9

8:35 pm-11:55 pm

Nonstop3h 20m

Reykjavik Keflavik Intl

vie. 12/12

4:20 pm-7:30 pm

Nonstop3h 10m

$156

LondonReykjavik

LHR - KEF

LHRKEF

London Heathrow

sáb. 12/6

7:35 am-10:55 am

Nonstop3h 20m

Reykjavik Keflavik Intl

sáb. 12/13

11:55 am-3:05 pm

Nonstop3h 10m

$160

LondonReykjavik

LHR - KEF

LHRKEF

London Heathrow

mar. 1/20

7:35 am-10:55 am

Nonstop3h 20m

Reykjavik Keflavik Intl

vie. 2/6

6:10 pm-9:10 pm

Nonstop3h 00m

$172

LondonReykjavik

LHR - KEF

LHRKEF

London Heathrow

mié. 1/14

8:35 pm-11:55 pm

Nonstop3h 20m

Reykjavik Keflavik Intl

vie. 1/16

11:50 am-3:00 pm

Nonstop3h 10m

$192

LondonReykjavik

LHR - KEF

LHRKEF

London Heathrow

mié. 12/3

5:30 pm-10:45 am

1 stop17h 15m

Reykjavik Keflavik Intl

dom. 12/7

11:15 am-9:35 pm

1 stop10h 20m

$194

LondonReykjavik

LHR - KEF

LHRKEF

London Heathrow

sáb. 1/24

3:35 pm-10:30 am

1 stop18h 55m

Reykjavik Keflavik Intl

mar. 1/27

11:30 am-6:30 pm

1 stop7h 00m

$206

Flights are sorted by cheapest round-trip flights first.

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

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

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 Reykjavik Keflavik Intl Airport?

The month of January is, on average, the cheapest month to fly to Reykjavik Keflavik Intl Airport from London, with most prices found around $104. If you’re not able to fly to Reykjavik Keflavik Intl Airport in January, then March is your next best option. Flight prices from London to Reykjavik Keflavik Intl Airport during March average around $125.

What is the cheapest day to depart on your flight to Reykjavik Keflavik Intl Airport?

The cheapest day to depart from London to Reykjavik Keflavik Intl Airport is on a Friday when prices can be found for as low as $419. The most expensive day to fly to Reykjavik Keflavik Intl Airport is Saturday, with ticket prices averaging around $505.

What is the cheapest time of day to depart on your flight to Reykjavik Keflavik Intl Airport?

The cheapest time of day to fly to Reykjavik Keflavik Intl Airport is in the morning when flights can be purchased for as low as $423. Flights at noon are often more expensive with an average ticket price of $639.

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

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

How far in advance should I book a flight to Reykjavik Keflavik Intl Airport?

You are more likely to see cheaper flights to Reykjavik Keflavik Intl Airport from London when booking weeks ahead of your departure date. In general, you can expect to find flights to Reykjavik Keflavik Intl Airport for around $284 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Reykjavik Keflavik Intl Airport from London for as low as $248 on momondo.

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

There are 3 cabin classes available to choose from on London to Reykjavik Keflavik Intl 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 London to Reykjavik Keflavik Intl Airport flights?

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

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

As of October 2025, prices for London to Reykjavik Keflavik Intl Airport flights are approximately 10% more expensive when compared to flights at the same time last year.

When to book flights from London to Reykjavik Keflavik Intl Airport

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

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

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

Best Price Found

$104

Fastest flight time

3h 10m

Direct flights

Every day
The best one-way flight to Reykjavik Keflavik Intl Airport from London in the past 72 hours is $104. The best round-trip flight deal from London to Reykjavik Keflavik Intl Airport found on momondo in the last 72 hours is $94.
The fastest flight from London to Reykjavik Keflavik Intl Airport takes 3h 10m
Direct flights go from London to Reykjavik Keflavik Intl Airport every day.
Search flight deals

  • How far is London to Reykjavik Keflavik Intl by plane?

    The distance between London and Reykjavik Keflavik Intl is about 1183.3 mi. Flights usually cover this in 3h 10m, depending on flying conditions and air traffic around both airports.

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

    Prices for flights from London to Reykjavik Keflavik Intl Airport refresh daily.

  • How many operators does momondo search for flights from London to Reykjavik Keflavik Intl Airport?

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London to Reykjavik Keflavik Intl Airport.

  • What documentation or ID do you need to fly to Reykjavik Keflavik Intl Airport?

    The necessary travel and health documents for your Reykjavik Keflavik Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

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

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

Best airlines flying from London to Reykjavik Keflavik Intl Airport

Compare and see reviews for airlines that fly from London to Reykjavik Keflavik Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
easyJetPriceFrom $79Free CancellationRating
6.9
1,840 reviews
Search easyJet flights
British AirwaysPriceFrom $153Free CancellationRating
6.7
7,488 reviews
Search British Airways flights
IcelandairPriceFrom $156Free CancellationRating
7.1
562 reviews
Search Icelandair flights

  • Icelandair Flights From London to Reykjavik Keflavik Intl Airport

    Icelandair is one of the most popular airlines flying from London to Reykjavik Keflavik Intl Airport, operating 15 flights/week on average for this route. A good Icelandair flight deal for London to Reykjavik Keflavik Intl Airport starts from $156 round-trip, up to an average price of $283. Our users have rated Icelandair at 7.1/10.

  • easyJet Flights From London to Reykjavik Keflavik Intl Airport

    $79 is the best easyJet flight deal from London to Reykjavik Keflavik Intl Airport found on momondo over the last 72 hours. The average easyJet ticket price found was closer to $82, however, with flight time and availability significantly affecting the price. easyJet (6.9/10 from 1,840 user reviews) flies into Reykjavik Keflavik Intl Airport from London 4 times in an average week so prices can vary.

Traveling to a place near Reykjavik?

Book flights to Reykjavik if you plan to visit one of these locations
Keflavik
Selfoss
Hella
Hveragerdi
Borgarnes
Grindavik
Kopavogur

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Reykjavik from London.

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

Yes. momondo allows you to filter the results for London to Reykjavik flights to just show those with flexible booking policies.

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

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 London to Reykjavik.

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

If you are simply researching potential flights to Reykjavik, momondo offers a useful price alert feature which will track prices for flights to Reykjavik from London and alert you when they change.

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