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

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 1/6. Fares are subject to change and may not be available on all flights or dates of travel.
LON — KEF
27 Feb — 6 Mar1
1 adult

The best prices from London to Reykjavik Keflavik Intl are usually found in January or February, booked 84 days in advance, depart on a Friday or Sunday and return on a Tuesday

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 22 February 2025.

Round-trip from

£82

One-way from

£43

Popular in

August

Cheapest in

January

Average price

£97

Good round-trip deal

£90 or less

Good one-way deal

£79 or less
easyJet
  • easyJet
  • 21/4-30/4
  • Nonstop
  • 6h 05m total
  • London to Reykjavik
easyJet
  • easyJet
  • 1/6
  • Nonstop
  • 3h 05m total
  • London to Reykjavik
Highest demand for flights based on searches. 21% potential increase in price (£32 potential increase over avg. return price).
Cheapest flight prices on average. 5% potential price decrease (£6 potential savings vs. average return price).
Average for round-trip flights in February 2025
Price to beat on a round-trip flight from London (LON) to Reykjavik Keflavik Intl.
Price to beat on a one-way flight from London (LON) to Reykjavik Keflavik Intl.

Find flight deals from London to Keflavik Intl

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 22 February 2025.

Mon 21/418:15LTN - KEF
Nonstop3h 05measyJet
Wed 30/409:00KEF - LTN
Nonstop3h 00measyJet
Deal found 21/2£82
Tue 29/411:40STN - KEF
Nonstop3h 05mPLAY
Sat 3/506:40KEF - STN
Nonstop3h 00mPLAY
Deal found 21/2£83
Sat 22/1114:35LGW - KEF
Nonstop3h 10measyJet
Fri 28/1112:20KEF - LGW
Nonstop3h 15measyJet
Deal found 21/2£95
Mon 21/407:05LGW - KEF
Nonstop3h 20mMultiple Airlines
Tue 29/410:30KEF - LGW
Nonstop3h 10mMultiple Airlines
Deal found 21/2£98
Tue 11/1107:35LHR - KEF
Nonstop3h 20mBritish Airways
Fri 14/1118:45KEF - LHR
Nonstop3h 00mBritish Airways
Deal found 21/2£111
Mon 24/321:30STN - KEF
1 stop17h 05mMultiple Airlines
Thu 27/307:00KEF - STN
Nonstop3h 00mMultiple Airlines
Deal found 22/2£112
Mon 8/915:40LGW - KEF
Nonstop3h 15mIcelandair
Tue 16/910:30KEF - LGW
Nonstop3h 10mIcelandair
Deal found 21/2£119
Tue 18/307:00LTN - KEF
Nonstop3h 10mMultiple Airlines
Tue 1/408:35KEF - LTN
1 stop22h 10mMultiple Airlines
Deal found 21/2£121
Sat 8/320:40LHR - KEF
Nonstop3h 15mIcelandair
Tue 11/316:20KEF - LHR
Nonstop3h 10mIcelandair
Deal found 22/2£134
Wed 16/408:25STN - KEF
Nonstop2h 50mJet2
Sun 27/410:15KEF - STN
Nonstop2h 45mJet2
Deal found 22/2£153
Wed 26/1107:30LHR - KEF
Nonstop3h 20mMultiple Airlines
Thu 27/1112:00KEF - LHR
1 stop6h 50mMultiple Airlines
Deal found 21/2£153
Fri 13/621:40STN - KEF
1 stop11h 10measyJet
Mon 16/609:35KEF - STN
1 stop10h 25measyJet
Deal found 22/2£181

Find flights from London to Keflavik Intl within your budget

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 22 February 2025.

Fly from

London

Fly to

Keflavik Intl

Route

Depart

Return

Price

LondonReykjavik

LTN - KEF

LTNKEF

London Luton

Mon 21/4

18:15-20:20

Nonstop3h 05m

Reykjavik Keflavik Intl

Wed 30/4

09:00-13:00

Nonstop3h 00m

£82

LondonReykjavik

STN - KEF

STNKEF

London Stansted

Tue 29/4

11:40-13:45

Nonstop3h 05m

Reykjavik Keflavik Intl

Sat 3/5

06:40-10:40

Nonstop3h 00m

£83

LondonReykjavik

LGW - KEF

LGWKEF

London Gatwick

Mon 21/4

07:05-09:25

Nonstop3h 20m

Reykjavik Keflavik Intl

Tue 29/4

10:30-14:40

Nonstop3h 10m

£98

LondonReykjavik

LGW - KEF

LGWKEF

London Gatwick

Tue 25/3

08:00-11:25

Nonstop3h 25m

Reykjavik Keflavik Intl

Fri 28/3

19:50-23:05

Nonstop3h 15m

£103

LondonReykjavik

STN - KEF

STNKEF

London Stansted

Mon 24/3

21:30-14:35

1 stop17h 05m

Reykjavik Keflavik Intl

Thu 27/3

07:00-10:00

Nonstop3h 00m

£112

LondonReykjavik

LTN - KEF

LTNKEF

London Luton

Tue 18/3

07:00-10:10

Nonstop3h 10m

Reykjavik Keflavik Intl

Tue 1/4

08:35-07:45

1 stop22h 10m

£121

LondonReykjavik

LHR - KEF

LHRKEF

London Heathrow

Mon 10/3

07:35-10:55

Nonstop3h 20m

Reykjavik Keflavik Intl

Thu 20/3

11:40-14:55

Nonstop3h 15m

£126

LondonReykjavik

LHR - KEF

LHRKEF

London Heathrow

Sat 8/3

20:40-23:55

Nonstop3h 15m

Reykjavik Keflavik Intl

Tue 11/3

16:20-19:30

Nonstop3h 10m

£134

LondonReykjavik

LGW - KEF

LGWKEF

London Gatwick

Thu 24/4

15:40-17:55

Nonstop3h 15m

Reykjavik Keflavik Intl

Mon 28/4

10:30-14:40

Nonstop3h 10m

£139

LondonReykjavik

STN - KEF

STNKEF

London Stansted

Wed 16/4

08:25-10:15

Nonstop2h 50m

Reykjavik Keflavik Intl

Sun 27/4

10:15-14:00

Nonstop2h 45m

£153

Flights are sorted by cheapest return flights first.

Deals found on 22/2

Showing 1-10 of 51 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.

Travel insights for flights from London to Keflavik Intl

Get recent, data-driven insights about flights from London to Keflavik Intl including ideal travel times, pricing trends, and more.

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 14 February 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, January is the cheapest month in which you can book a flight from London to Reykjavik Keflavik Intl Airport (average of £75). Flying from London to Reykjavik Keflavik Intl Airport in July is currently the most expensive (average of £289). 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 22 February 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 38% on your trip compared to booking a flight at midday.

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 24 March 2024.

Travellers seeking maximum savings on their London to Reykjavik Keflavik Intl Airport flight should consider departing on Saturday mornings when fares are most often at their lowest. Monday at midday 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 22 February 2025.

The most flights from LON to KEF are scheduled on a Friday (17 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (8 on average).

Rainfall in Keflavik Intl by month

Plan your trip to Keflavik Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Reykjavik Keflavik Intl Airport ranges from 40.0 - 80.0 inches per month. January is typically the wettest month, when rainfall can reach 80.0 mm. May is typically the driest time to visit Reykjavik Keflavik Intl Airport when rainfall is around 40.0 mm.

Temperature in Keflavik Intl by month

Plan your trip to Keflavik Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Reykjavik Keflavik Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 11.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 0.0 C).

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 22 February 2025.
Read through reviews of airlines operating flights from London to Reykjavik, such as Jet2, KLM and airBaltic. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Boarding

8.2

Comfort

7.7

Overall

8.3

Food

7.3

Entertainment

6.2

Crew

8.8

Reviews

1 / 15

10.0
Excellent

Heather,Feb 2025

BFS - AYT

Food and crew great. Had to put my overhead luggage in row 14 and I was in 1A. But just a bit hard to get.

8.3
Very Good

Boarding

8.2

Comfort

7.7

Overall

8.3

Food

7.3

Entertainment

6.2

Crew

8.8

Reviews

1 / 15

10.0
Excellent

Heather,Feb 2025

BFS - AYT

Food and crew great. Had to put my overhead luggage in row 14 and I was in 1A. But just a bit hard to get.

Boarding

8.2

Comfort

7.7

Overall

8.3

Food

7.3

Entertainment

6.2

Crew

8.8

Reviews

1 / 15

10.0
Excellent

Heather,Feb 2025

BFS - AYT

Food and crew great. Had to put my overhead luggage in row 14 and I was in 1A. But just a bit hard to get.

Boarding

8.2

Comfort

7.7

Overall

8.3

Food

7.3

Entertainment

6.2

Crew

8.8

Reviews

1 / 15

10.0
Excellent

Heather,Feb 2025

BFS - AYT

Food and crew great. Had to put my overhead luggage in row 14 and I was in 1A. But just a bit hard to get.

Boarding

8.2

Comfort

7.7

Overall

8.3

Food

7.3

Entertainment

6.2

Crew

8.8

Reviews

1 / 15

10.0
Excellent

Heather,Feb 2025

BFS - AYT

Food and crew great. Had to put my overhead luggage in row 14 and I was in 1A. But just a bit hard to get.

Boarding

8.2

Comfort

7.7

Overall

8.3

Food

7.3

Entertainment

6.2

Crew

8.8

Reviews

1 / 15

10.0
Excellent

Heather,Feb 2025

BFS - AYT

Food and crew great. Had to put my overhead luggage in row 14 and I was in 1A. But just a bit hard to get.

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

    Currently priced at £82, 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 British Airways - these airlines can fly you to your destination from £83 and £126, respectively. You may be able to fly from London to Reykjavik Keflavik Intl Airport for 42% 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 £43. PLAY flights start at £43 while deals on Jet2 start at £62 one-way.

  • What are the most popular routes 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 (89%), Qatar Airways (89%) or American Airlines (81%) 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 £147. On average you can expect to pay £832. The most popular route, (London Gatwick - Reykjavik Keflavik Intl), can usually be booked for £109.

  • 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, January is the cheapest month in which you can book a flight from London to Reykjavik Keflavik Intl Airport (average of £75). Flying from London to Reykjavik Keflavik Intl Airport in July is currently the most expensive (average of £289). 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

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Keflavik

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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 22 February 2025.

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 22 February 2025.
AirlineCheapestAverageFlexibilityOn-time
easyJetCheapest£52Average£107FlexibilityNo cancel feeOn-time86%
Search easyJet flights
PLAYCheapest£78Average£124FlexibilityNo cancel feeOn-timeN/A
Search PLAY flights
British AirwaysCheapest£107Average£196FlexibilityNo cancel feeOn-time70%
Search British Airways flights
IcelandairCheapest£128Average£223FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
Scandinavian AirlinesCheapest£259Average£313FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights

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

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

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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.

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