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Cheap flights from London to Reykjavik Keflavik Intl Airport from £42

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 7/3. Fares are subject to change and may not be available on all flights or dates of travel.
LON — KEF
27 gen — 3 feb1
1 adult

The best prices from London to Reykjavik Keflavik Intl are usually found in January or March, booked 84 days in advance, depart on a Saturday or Wednesday 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 gennaio 2025.

Round-trip from

£81

One-way from

£42

Popular in

August

Cheapest in

January

Average price

£70

Good round-trip deal

£76 or less

Good one-way deal

£39 or less
easyJet
  • easyJet
  • 16/3-21/3
  • Nonstop
  • 6h 05m total
  • London to Reykjavik
easyJet
  • easyJet
  • 7/3
  • Nonstop
  • 3h 15m total
  • London to Reykjavik
Highest demand for flights based on searches. 22% potential increase in price (£34 potential increase over avg. return price).
Cheapest flight prices on average. 5% potential price decrease (£7 potential savings vs. average return price).
Average for round-trip flights in January 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 gennaio 2025.

dom 16/306:00LTN - KEF
Nonstop3h 10measyJet
ven 21/318:05KEF - LTN
Nonstop2h 55measyJet
Deal found 21/1£81
lun 24/307:40LGW - KEF
Nonstop3h 25measyJet
gio 27/318:05KEF - LGW
Nonstop3h 10measyJet
Deal found 21/1£81
gio 6/311:00STN - KEF
Nonstop3h 05mPLAY
mar 11/307:00KEF - STN
Nonstop3h 00mPLAY
Deal found 21/1£81
sab 29/306:25LTN - KEF
Nonstop3h 10mMultiple Airlines
sab 5/408:35KEF - LTN
1 stop11h 25mMultiple Airlines
Deal found 21/1£101
mer 26/307:55LGW - KEF
1 stop9h 25mMultiple Airlines
gio 27/318:05KEF - LGW
Nonstop3h 10mMultiple Airlines
Deal found 21/1£106
mer 12/1107:30LHR - KEF
Nonstop3h 20mBritish Airways
ven 14/1118:45KEF - LHR
Nonstop3h 00mBritish Airways
Deal found 20/1£114
mer 23/408:25STN - KEF
Nonstop2h 50mMultiple Airlines
gio 24/406:40KEF - STN
Nonstop3h 00mMultiple Airlines
Deal found 21/1£117
mar 4/208:50STN - KEF
1 stop5h 45measyJet
mar 11/215:15KEF - STN
1 stop5h 30measyJet
Deal found 21/1£125
gio 20/308:45LTN - KEF
1 stop10h 30mWizz Air
mar 25/319:55KEF - LTN
1 stop11h 40mWizz Air
Deal found 21/1£137
mar 11/320:40LHR - KEF
Nonstop3h 15mIcelandair
dom 16/307:35KEF - LHR
Nonstop3h 15mIcelandair
Deal found 21/1£142
mer 12/1107:05LHR - KEF
1 stop27h 55mMultiple Airlines
ven 14/1118:45KEF - LHR
Nonstop3h 00mMultiple Airlines
Deal found 20/1£143
mer 22/111:55LGW - KEF
Nonstop3h 25mIcelandair
sab 25/107:40KEF - LGW
Nonstop3h 15mIcelandair
Deal found 21/1£161

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 gennaio 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

LondonReykjavik

LTN - KEF

LTNKEF

London Luton

dom 16/3

06:00-09:10

Nonstop3h 10m

Reykjavik Keflavik Intl

ven 21/3

18:05-21:00

Nonstop2h 55m

£81

LondonReykjavik

STN - KEF

STNKEF

London Stansted

gio 6/3

11:00-14:05

Nonstop3h 05m

Reykjavik Keflavik Intl

mar 11/3

07:00-10:00

Nonstop3h 00m

£81

LondonReykjavik

LGW - KEF

LGWKEF

London Gatwick

lun 24/3

07:40-11:05

Nonstop3h 25m

Reykjavik Keflavik Intl

gio 27/3

18:05-21:15

Nonstop3h 10m

£81

LondonReykjavik

LTN - KEF

LTNKEF

London Luton

ven 28/3

14:05-17:20

Nonstop3h 15m

Reykjavik Keflavik Intl

mar 1/4

08:35-21:00

1 stop11h 25m

£94

LondonReykjavik

LGW - KEF

LGWKEF

London Gatwick

mer 26/3

07:55-17:20

1 stop9h 25m

Reykjavik Keflavik Intl

gio 27/3

18:05-21:15

Nonstop3h 10m

£106

LondonReykjavik

STN - KEF

STNKEF

London Stansted

mer 23/4

08:25-10:15

Nonstop2h 50m

Reykjavik Keflavik Intl

gio 24/4

06:40-10:40

Nonstop3h 00m

£117

LondonReykjavik

LHR - KEF

LHRKEF

London Heathrow

mar 4/3

07:35-10:55

Nonstop3h 20m

Reykjavik Keflavik Intl

ven 14/3

18:45-21:45

Nonstop3h 00m

£125

LondonReykjavik

STN - KEF

STNKEF

London Stansted

mar 4/2

08:50-14:35

1 stop5h 45m

Reykjavik Keflavik Intl

mar 11/2

15:15-20:45

1 stop5h 30m

£125

LondonReykjavik

LTN - KEF

LTNKEF

London Luton

gio 20/3

08:45-19:15

1 stop10h 30m

Reykjavik Keflavik Intl

mar 25/3

19:55-07:35

1 stop11h 40m

£137

LondonReykjavik

LHR - KEF

LHRKEF

London Heathrow

mar 11/3

20:40-23:55

Nonstop3h 15m

Reykjavik Keflavik Intl

dom 16/3

07:35-10:50

Nonstop3h 15m

£142

Flights are sorted by cheapest return flights first.

Deals found on 21/1

Showing 1-10 of 49 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 17 January 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 gennaio 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 40% 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 Tuesday mornings when fares are most often at their lowest. Tuesday 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 gennaio 2025.

The most flights from LON to KEF are scheduled on a Tuesday (13 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (6 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 gennaio 2025.
Read through reviews of airlines operating flights from London to Reykjavik, such as easyJet, Icelandair and SWISS. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.3
Very Good
155 reviews

Comfort

7.7

Food

7.2

Crew

8.8

Entertainment

6.2

Overall

8.3

Boarding

8.2

Reviews

1 / 10

Late arrival meant 1 and1/2 hour delay made up some time on way home Baggage at Edinburgh a disgrace

8.3
Very Good
155 reviews
8.3
Very Good
155 reviews

Comfort

7.7

Food

7.2

Crew

8.8

Entertainment

6.2

Overall

8.3

Boarding

8.2

Reviews

1 / 10

Late arrival meant 1 and1/2 hour delay made up some time on way home Baggage at Edinburgh a disgrace

7.8
Good
1,341 reviews
8.3
Very Good
155 reviews

Comfort

7.7

Food

7.2

Crew

8.8

Entertainment

6.2

Overall

8.3

Boarding

8.2

Reviews

1 / 10

Late arrival meant 1 and1/2 hour delay made up some time on way home Baggage at Edinburgh a disgrace

7.8
Good
178 reviews
8.3
Very Good
155 reviews

Comfort

7.7

Food

7.2

Crew

8.8

Entertainment

6.2

Overall

8.3

Boarding

8.2

Reviews

1 / 10

Late arrival meant 1 and1/2 hour delay made up some time on way home Baggage at Edinburgh a disgrace

7.7
Good
249 reviews
8.3
Very Good
155 reviews

Comfort

7.7

Food

7.2

Crew

8.8

Entertainment

6.2

Overall

8.3

Boarding

8.2

Reviews

1 / 10

Late arrival meant 1 and1/2 hour delay made up some time on way home Baggage at Edinburgh a disgrace

7.6
Good
1,117 reviews
8.3
Very Good
155 reviews

Comfort

7.7

Food

7.2

Crew

8.8

Entertainment

6.2

Overall

8.3

Boarding

8.2

Reviews

1 / 10

Late arrival meant 1 and1/2 hour delay made up some time on way home Baggage at Edinburgh a disgrace

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 £81, 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 £81 and £125, respectively. You may be able to fly from London to Reykjavik Keflavik Intl Airport for 44% 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 £42. PLAY flights start at £43 while deals on TUI Airways start at £68 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 (83%), Qatar Airways (83%) or American Airlines (73%) 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 £159. On average you can expect to pay £998. The most popular route, (London Heathrow - Reykjavik Keflavik Intl), can usually be booked for £124.

  • 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 gennaio 2025.

Top 6 airlines flying from London to Keflavik Intl

Discover the top 6 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 gennaio 2025.
AirlineCheapestAverageFlexibilityOn-time
Wizz AirCheapest£35Average£63FlexibilityNo cancel feeOn-timeN/A
Search Wizz Air flights
easyJetCheapest£53Average£111FlexibilityNo cancel feeOn-time86%
Search easyJet flights
PLAYCheapest£79Average£121FlexibilityNo cancel feeOn-timeN/A
Search PLAY flights
British AirwaysCheapest£110Average£193FlexibilityNo cancel feeOn-time70%
Search British Airways flights
IcelandairCheapest£139Average£231FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
Scandinavian AirlinesCheapest£198Average£325FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights

Fly with Cheapflights

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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.

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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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