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Cheap flights from London to Reykjavik Keflavik Intl Airport from £63

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 17/11. Fares are subject to change and may not be available on all flights or dates of travel.
LON — KEF
16 nov. — 23 nov.1
1 adult
1 adult, Economy

Cheapflights Tip: The best prices from London to Reykjavik Keflavik Intl are usually found in January or March, booked 84 days in advance, depart on a Tuesday or Thursday and return on a Sunday

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Cheapest flights from London to Keflavik Intl
Explore the most affordable flight options available from London to Keflavik Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 octobre 2025.

lun. 1/1208:00LTN - KEF
Nonstop3h 15measyJet
lun. 8/1211:55KEF - LTN
Nonstop2h 55measyJet
Deal found 16/10£86
dim. 7/1207:00LGW - KEF
Nonstop3h 30measyJet
dim. 14/1211:20KEF - LGW
Nonstop3h 10measyJet
Deal found 17/10£86
sam. 6/1215:50LTN - KEF
Nonstop3h 15measyJet
lun. 8/1211:55KEF - LTN
Nonstop2h 55measyJet
Deal found 15/10£88
sam. 6/1214:25LGW - KEF
Nonstop3h 20measyJet
mar. 9/1212:20KEF - LGW
Nonstop3h 10measyJet
Deal found 14/10£89
mar. 16/1207:00LTN - KEF
Nonstop3h 15measyJet
sam. 20/1219:45KEF - LTN
Nonstop2h 55measyJet
Deal found 17/10£89
mar. 25/1108:00LGW - KEF
Nonstop3h 30measyJet
jeu. 27/1118:05KEF - LGW
Nonstop3h 10measyJet
Deal found 15/10£89
mar. 16/1207:00LTN - KEF
Nonstop3h 15measyJet
jeu. 18/1210:00KEF - LTN
Nonstop2h 55measyJet
Deal found 16/10£92
sam. 6/1215:50LTN - KEF
Nonstop3h 15measyJet
mar. 9/1211:05KEF - LTN
Nonstop2h 55measyJet
Deal found 15/10£93
dim. 30/1107:00LGW - KEF
Nonstop3h 30measyJet
sam. 6/1218:35KEF - LGW
Nonstop3h 10measyJet
Deal found 15/10£94
mar. 25/1107:00LTN - KEF
Nonstop3h 15measyJet
jeu. 27/1117:55KEF - LTN
Nonstop2h 55measyJet
Deal found 16/10£95
jeu. 4/1206:00LTN - KEF
Nonstop3h 15measyJet
sam. 6/1219:45KEF - LTN
Nonstop2h 55measyJet
Deal found 17/10£95
mar. 25/1107:00LTN - KEF
Nonstop3h 15measyJet
ven. 28/1119:40KEF - LTN
Nonstop3h 00measyJet
Deal found 15/10£96

Cheap flight deals from London to Keflavik Intl

Discover tips and strategies to find the most affordable flight options for your journey from London (LON) to Keflavik Intl (KEF). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 17 octobre 2025.

Round-trip from

£86

One-way from

£63

Popular in

July

Cheapest in

January

Average price

£214

Good round-trip deal

£65 or less

Good one-way deal

£56 or less
easyJet
  • easyJet
  • 1/12-8/12
  • Nonstop
  • 6h 10m total
  • London to Reykjavik
Search Deals
easyJet
  • easyJet
  • 17/11
  • Nonstop
  • 3h 15m total
  • London to Reykjavik
Search Deals
Highest demand for flights based on searches. 30% potential increase in price (£50 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease (£7 potential savings vs. average return price).
Search Deals
Average for round-trip flights in October 2025
Search Deals
Price to beat on a round-trip flight from London (LON) to Reykjavik Keflavik Intl.
Search Deals
Price to beat on a one-way flight from London (LON) to Reykjavik Keflavik Intl.
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from London to Keflavik Intl 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, Cheapflights users made 858,174 searches. Data last updated 17 octobre 2025.
Use the filters below to find and compare flights from London to Reykjavik Keflavik Intl Airport that are best for you.

Fly from

London

Fly to

Keflavik Intl

Route

Depart

Return

Price

LondonReykjavik

LTN - KEF

LTNKEF

London Luton

ven. 30/1

15:40-18:55

Nonstop3h 15m

Reykjavik Keflavik Intl

lun. 2/2

19:35-22:30

Nonstop2h 55m

£86

LondonReykjavik

LGW - KEF

LGWKEF

London Gatwick

dim. 22/3

07:00-10:30

Nonstop3h 30m

Reykjavik Keflavik Intl

mer. 25/3

18:05-21:15

Nonstop3h 10m

£87

LondonReykjavik

LGW - KEF

LGWKEF

London Gatwick

dim. 7/12

07:00-10:30

Nonstop3h 30m

Reykjavik Keflavik Intl

dim. 14/12

11:20-14:30

Nonstop3h 10m

£87

LondonReykjavik

LTN - KEF

LTNKEF

London Luton

mar. 16/12

07:00-10:15

Nonstop3h 15m

Reykjavik Keflavik Intl

sam. 20/12

19:45-22:40

Nonstop2h 55m

£89

LondonReykjavik

LTN - KEF

LTNKEF

London Luton

mar. 24/3

07:00-10:15

Nonstop3h 15m

Reykjavik Keflavik Intl

mer. 25/3

11:55-14:50

Nonstop2h 55m

£89

LondonReykjavik

LGW - KEF

LGWKEF

London Gatwick

mar. 10/3

08:00-11:30

Nonstop3h 30m

Reykjavik Keflavik Intl

dim. 15/3

11:20-14:30

Nonstop3h 10m

£89

LondonReykjavik

LTN - KEF

LTNKEF

London Luton

ven. 6/2

15:40-18:55

Nonstop3h 15m

Reykjavik Keflavik Intl

lun. 9/2

19:35-22:30

Nonstop2h 55m

£90

LondonReykjavik

LTN - KEF

LTNKEF

London Luton

lun. 2/3

15:30-18:45

Nonstop3h 15m

Reykjavik Keflavik Intl

dim. 8/3

10:05-13:00

Nonstop2h 55m

£91

LondonReykjavik

LGW - KEF

LGWKEF

London Gatwick

mer. 25/3

13:55-17:15

Nonstop3h 20m

Reykjavik Keflavik Intl

jeu. 26/3

18:05-21:15

Nonstop3h 10m

£91

LondonReykjavik

LGW - KEF

LGWKEF

London Gatwick

mar. 25/11

08:00-11:30

Nonstop3h 30m

Reykjavik Keflavik Intl

jeu. 27/11

18:05-21:15

Nonstop3h 10m

£91

Flights are sorted by cheapest return flights first.

Deals found on 16/10

Showing 1-10 of 60 results
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Best time to book a flight from London to Keflavik Intl

Have a flexible travel schedule? Discover the best time to fly to Keflavik Intl from London with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from London to Reykjavik Keflavik Intl Airport

How far ahead should I book a flight from London to Reykjavik Keflavik Intl Airport?

Use this chart to determine the optimal time to book a return flight from London to Keflavik Intl. Price data was last updated on 10 October 2025.

The best time to book flights from London to Reykjavik Keflavik Intl Airport is 84 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from London to Reykjavik Keflavik Intl Airport?

Currently, March is the cheapest month in which you can book a flight from London to Reykjavik Keflavik Intl Airport (average of £43). Flying from London to Reykjavik Keflavik Intl Airport in July is currently the most expensive (average of £119). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from LON to KEF?

Find hourly flight availability from London to Keflavik Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 17 octobre 2025.

A simple way to save on the total cost of your ticket is to fly from London to Reykjavik Keflavik Intl Airport in the morning. If you’re flexible enough to do this you can expect to save up to 15% on your trip compared to booking a flight in the evening.

What is the cheapest day to fly from London to Reykjavik Keflavik Intl Airport?

Use this chart to determine the cheapest time to fly return from London to Keflavik Intl. Price data was last updated on 16 December 2024.

Travellers seeking maximum savings on their London to Reykjavik Keflavik Intl Airport flight should consider departing on Monday at midday when fares are most often at their lowest. Wednesday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from London to Reykjavik Keflavik Intl Airport

Explore weekly flight availability from London to Keflavik Intl. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 17 octobre 2025.

The most flights from LON to KEF are scheduled on a Wednesday (18 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (6 on average).

How much does it cost for a return flight from London to Reykjavik Keflavik Intl Airport?

What’s the top stopover airport for flights from London to Reykjavik Keflavik Intl Airport?

Share of one-stop return flights from London to Reykjavik Keflavik Intl Airport chosen by Cheapflights users in the past 12 months, using the same stopover each way.

Copenhagen (CPH) – chosen by Cheapflights users on 67% of one-stop itineraries from London to Reykjavik Keflavik Intl Airport on Cheapflights.

What’s the cheapest stopover airport for flights from London to Reykjavik Keflavik Intl Airport?

Average return fare for one-stop flights from London to Reykjavik Keflavik Intl Airport, chosen by Cheapflights users in the past 12 months, with the same stopover each way.

Copenhagen (CPH) is the most affordable one-stop option, with an average return flight price of £327.

What’s the fastest stopover option from London to Reykjavik Keflavik Intl Airport?

Shortest average travel time for one-stop one-way flights from London to Reykjavik Keflavik Intl Airport, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.

Flights via Frankfurt am Main (FRA) have the shortest average one-way travel time for one-stop routes: 6h 30m.

Which airport typically offers the quickest stopover for flights from London to Reykjavik Keflavik Intl Airport?

Average stopover duration for one-stop one-way flights from London to Reykjavik Keflavik Intl Airport, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Frankfurt am Main (FRA) offer the fastest connection on this route, with an average stopover time of 1h 36m.

Reviews of airlines servicing Keflavik Intl

Get insights into the airlines that provide service to Keflavik Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Keflavik Intl. Reviews last updated 17 octobre 2025.
Get a feel of what it's like to fly with Icelandair, PLAY, andeasyJet from London to Reykjavik Keflavik Intl Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Icelandair
7.0
Good
556 reviews
Check prices

Boarding

7.2

Comfort

6.9

Overall

7.0

Crew

8.1

Entertainment

7.0

Food

6.2

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2025

GVA - KEF

Terrible customer service when dealing with phone representatives. Baggage was lost.
Icelandair
7.0
Good
556 reviews
Icelandair
7.0
Good
556 reviews
Check prices

Boarding

7.2

Comfort

6.9

Overall

7.0

Crew

8.1

Entertainment

7.0

Food

6.2

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2025

GVA - KEF

Terrible customer service when dealing with phone representatives. Baggage was lost.
PLAY
7.0
Good
Icelandair
7.0
Good
556 reviews
Check prices

Boarding

7.2

Comfort

6.9

Overall

7.0

Crew

8.1

Entertainment

7.0

Food

6.2

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2025

GVA - KEF

Terrible customer service when dealing with phone representatives. Baggage was lost.
easyJet
6.9
Okay
1,835 reviews
Icelandair
7.0
Good
556 reviews
Check prices

Boarding

7.2

Comfort

6.9

Overall

7.0

Crew

8.1

Entertainment

7.0

Food

6.2

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2025

GVA - KEF

Terrible customer service when dealing with phone representatives. Baggage was lost.
British Airways
6.7
Okay
7,457 reviews
Icelandair
7.0
Good
556 reviews
Check prices

Boarding

7.2

Comfort

6.9

Overall

7.0

Crew

8.1

Entertainment

7.0

Food

6.2

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2025

GVA - KEF

Terrible customer service when dealing with phone representatives. Baggage was lost.

Related info for your journey

Find useful and relevant information for your journey from London to Keflavik Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from London to Reykjavik Keflavik Intl Airport?

    A quick flight from London to Reykjavik Keflavik Intl Airport can take about 3h 15m. easyJet provides one of the quickest options available for as low as £86. The distance from London to Reykjavik Keflavik Intl Airport is about 1156 mi. Generally, flights for this route are direct.

  • What are the cheapest airlines flying from London to Reykjavik Keflavik Intl Airport round-trip?

    Currently priced at £48, easyJet will fly you from London to Reykjavik Keflavik Intl Airport and back. In addition to easyJet, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from PLAY and Icelandair - these airlines can fly you to your destination from £83 and £114, respectively. You may be able to fly from London to Reykjavik Keflavik Intl Airport for 69% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from London to Reykjavik Keflavik Intl Airport one-way?

    To fly one-way, consider booking your trip with easyJet, which is currently one of the cheapest options available, starting at £63. Jet2 flights start at £63 while deals on Icelandair start at £68 one-way.

  • What are the most popular routes from London to Reykjavik Keflavik Intl Airport?

    Most travelers choose London Heathrow - Reykjavik Keflavik Intl, London Gatwick - Reykjavik Keflavik Intl or London Luton - Reykjavik Keflavik Intl when deciding on the best route from London to Reykjavik Keflavik Intl Airport.

  • What are the most reliable airlines from London to Reykjavik Keflavik Intl Airport?

    No one likes to see their flight delayed. When booking a flight from London to Reykjavik Keflavik Intl Airport consider choosing Emirates (85%), Icelandair (84%) or Air India (84%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from London to Reykjavik Keflavik Intl Airport?

    The cheapest flight price from London to Reykjavik Keflavik Intl Airport is £102. On average you can expect to pay £789. The most popular route, (London Heathrow - Reykjavik Keflavik Intl), can usually be booked for £118.

  • Can I find deals for flights from London to Keflavik Intl that include hotel bookings?

    Yes. In addition to deals on London to Keflavik Intl flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from London to Keflavik Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from London to Keflavik Intl.

  • Can I find deals for business class flights from London to Keflavik Intl?

    Yes. Cheapflights offers flight deals from London to Keflavik Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from London to Reykjavik Keflavik Intl Airport?

    Currently, March is the cheapest month in which you can book a flight from London to Reykjavik Keflavik Intl Airport (average of £43). Flying from London to Reykjavik Keflavik Intl Airport in July is currently the most expensive (average of £119). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Reykjavik Keflavik Intl Airport?

Book flights to Reykjavik Keflavik Intl Airport if you plan to visit one of these locations
Hveragerdi
Keflavik

Browse thousands of different options on Cheapflights for your next trip

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Fly from London to Keflavik Intl on these airlines

Choose from the following airlines for your flight from London to Keflavik Intl. Flights are based on user searches made on Cheapflights and were last updated on 17 octobre 2025.
easyJet flights from London to Reykjavik Keflavik Intl
PLAY flights from London to Reykjavik Keflavik Intl

Top 5 airlines flying from London to Keflavik Intl

Discover the top 5 airlines that operate flights from London to Keflavik Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 17 octobre 2025.
AirlineCheapestAverageFlexibilityOn-time
easyJetCheapest£48Average£106FlexibilityNo cancel feeOn-time86%
Search easyJet flights
PLAYCheapest£83Average£225FlexibilityNo cancel feeOn-timeN/A
Search PLAY flights
IcelandairCheapest£114Average£231FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
British AirwaysCheapest£118Average£220FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Scandinavian AirlinesCheapest£135Average£269FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from London to Keflavik Intl?

Deals for London to Keflavik Intl flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from London to Keflavik Intl?

Cheapflights simply makes it quick and affordable to book flights from London to Keflavik Intl by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from London to Keflavik Intl with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from London to Keflavik Intl flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from London to Keflavik Intl become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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