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Cheap flights from London to Reykjavik Keflavik Intl Airport from £52

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 8/10. Fares are subject to change and may not be available on all flights or dates of travel.
LON — KEF
20 Apr — 27 Apr1
1 adult

Cheapflights Tip: The best prices from London to Reykjavik Keflavik Intl are usually found in January or February, booked 84 days in advance, depart on a Sunday or Thursday 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 15 April 2025.

Round-trip from

£93

One-way from

£52

Popular in

July

Cheapest in

January

Average price

£164

Good round-trip deal

£95 or less

Good one-way deal

£68 or less
PLAY
  • PLAY
  • 11/5-22/5
  • Nonstop
  • 6h 05m total
  • London to Reykjavik
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easyJet
  • easyJet
  • 8/10
  • Nonstop
  • 2h 55m total
  • London to Reykjavik
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Highest demand for flights based on searches. 29% potential increase in price (£45 potential increase over avg. return price).
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Cheapest flight prices on average. 5% potential price decrease (£6 potential savings vs. average return price).
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Average for round-trip flights in April 2025
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Price to beat on a round-trip flight from London (LON) to Reykjavik Keflavik Intl.
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Price to beat on a one-way flight from London (LON) to Reykjavik Keflavik Intl.
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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 15 April 2025.

Sun 11/511:40STN - KEF
Nonstop3h 05mPLAY
Thu 22/506:40KEF - STN
Nonstop3h 00mPLAY
Deal found 14/4£93
Mon 10/1115:35LTN - KEF
Nonstop3h 15measyJet
Wed 12/1119:35KEF - LTN
Nonstop2h 55measyJet
Deal found 14/4£95
Mon 17/1107:40LGW - KEF
Nonstop3h 25measyJet
Fri 21/1112:20KEF - LGW
Nonstop3h 15measyJet
Deal found 14/4£97
Sun 20/407:25STN - KEF
Nonstop2h 50mMultiple Airlines
Sun 4/506:40KEF - STN
Nonstop3h 00mMultiple Airlines
Deal found 14/4£99
Mon 8/1207:35LHR - KEF
Nonstop3h 20mBritish Airways
Fri 19/1218:45KEF - LHR
Nonstop3h 00mBritish Airways
Deal found 14/4£115
Mon 17/1111:55LGW - KEF
Nonstop3h 25mIcelandair
Fri 21/1107:40KEF - LGW
Nonstop3h 15mIcelandair
Deal found 14/4£122
Sun 20/407:25STN - KEF
Nonstop2h 50mJet2
Wed 23/411:15KEF - STN
Nonstop2h 45mJet2
Deal found 14/4£125
Mon 15/1220:40LHR - KEF
Nonstop3h 15mIcelandair
Thu 18/1207:35KEF - LHR
Nonstop3h 15mIcelandair
Deal found 13/4£136
Wed 7/517:35LTN - KEF
1 stop16h 30mMultiple Airlines
Wed 21/509:00KEF - LTN
Nonstop3h 00mMultiple Airlines
Deal found 15/4£138
Sat 8/1120:20LGW - KEF
1 stop23h 15mMultiple Airlines
Sat 15/1118:35KEF - LGW
Nonstop3h 10mMultiple Airlines
Deal found 14/4£142
Thu 21/819:50LHR - KEF
1 stop12h 15mScandinavian Airlines
Tue 26/811:05KEF - LHR
1 stop6h 45mScandinavian Airlines
Deal found 14/4£144
Thu 29/521:25LHR - KEF
Nonstop3h 10mMultiple Airlines
Thu 5/611:05KEF - LHR
2 stops9h 15mMultiple Airlines
Deal found 14/4£149

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 15 April 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

STN - KEF

STNKEF

London Stansted

Sun 11/5

11:40-13:45

Nonstop3h 05m

Reykjavik Keflavik Intl

Thu 22/5

06:40-10:40

Nonstop3h 00m

£93

LondonReykjavik

LTN - KEF

LTNKEF

London Luton

Sun 11/5

06:50-08:55

Nonstop3h 05m

Reykjavik Keflavik Intl

Wed 14/5

09:00-13:00

Nonstop3h 00m

£97

LondonReykjavik

STN - KEF

STNKEF

London Stansted

Sat 10/5

11:40-13:45

Nonstop3h 05m

Reykjavik Keflavik Intl

Mon 12/5

09:35-21:00

1 stop10h 25m

£120

LondonReykjavik

LHR - KEF

LHRKEF

London Heathrow

Fri 2/5

07:35-09:40

Nonstop3h 05m

Reykjavik Keflavik Intl

Wed 7/5

10:55-15:10

Nonstop3h 15m

£132

LondonReykjavik

LGW - KEF

LGWKEF

London Gatwick

Fri 5/9

15:40-17:55

Nonstop3h 15m

Reykjavik Keflavik Intl

Wed 10/9

10:30-14:40

Nonstop3h 10m

£132

LondonReykjavik

LTN - KEF

LTNKEF

London Luton

Wed 7/5

17:35-09:05

1 stop16h 30m

Reykjavik Keflavik Intl

Wed 21/5

09:00-13:00

Nonstop3h 00m

£138

LondonReykjavik

LHR - KEF

LHRKEF

London Heathrow

Wed 24/9

21:25-23:35

Nonstop3h 10m

Reykjavik Keflavik Intl

Tue 30/9

07:40-11:55

Nonstop3h 15m

£140

LondonReykjavik

LHR - KEF

LHRKEF

London Heathrow

Thu 21/8

19:50-07:05

1 stop12h 15m

Reykjavik Keflavik Intl

Tue 26/8

11:05-18:50

1 stop6h 45m

£144

LondonReykjavik

LHR - KEF

LHRKEF

London Heathrow

Thu 29/5

21:25-23:35

Nonstop3h 10m

Reykjavik Keflavik Intl

Thu 5/6

11:05-21:20

2 stops9h 15m

£149

LondonReykjavik

LGW - KEF

LGWKEF

London Gatwick

Wed 14/5

20:20-09:05

1 stop13h 45m

Reykjavik Keflavik Intl

Mon 19/5

09:35-22:50

1 stop12h 15m

£157

Flights are sorted by cheapest return flights first.

Deals found on 14/4

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.

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 11 April 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 15 April 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 37% 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 15 April 2025.

The most flights from LON to KEF are scheduled on a Monday (16 on average). You will have fewer flight options on Thursday, 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 15 April 2025.
Read through reviews of airlines operating flights from London to Reykjavik, such as KLM, airBaltic and Norwegian. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.8
Good
1,323 reviews
Check prices

Comfort

7.7

Crew

8.4

Entertainment

7.1

Food

7.3

Overall

7.8

Boarding

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
KLM
7.8
Good
1,323 reviews
KLM
7.8
Good
1,323 reviews
Check prices

Comfort

7.7

Crew

8.4

Entertainment

7.1

Food

7.3

Overall

7.8

Boarding

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
airBaltic
7.8
Good
178 reviews
KLM
7.8
Good
1,323 reviews
Check prices

Comfort

7.7

Crew

8.4

Entertainment

7.1

Food

7.3

Overall

7.8

Boarding

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
Norwegian
7.8
Good
226 reviews
KLM
7.8
Good
1,323 reviews
Check prices

Comfort

7.7

Crew

8.4

Entertainment

7.1

Food

7.3

Overall

7.8

Boarding

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
LOT
7.6
Good
1,065 reviews
KLM
7.8
Good
1,323 reviews
Check prices

Comfort

7.7

Crew

8.4

Entertainment

7.1

Food

7.3

Overall

7.8

Boarding

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
SWISS
7.5
Good
1,578 reviews
KLM
7.8
Good
1,323 reviews
Check prices

Comfort

7.7

Crew

8.4

Entertainment

7.1

Food

7.3

Overall

7.8

Boarding

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.

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 £93, PLAY will fly you from London to Reykjavik Keflavik Intl Airport and back. In addition to PLAY, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from easyJet and British Airways - these airlines can fly you to your destination from £97 and £132, respectively. You may be able to fly from London to Reykjavik Keflavik Intl Airport for 35% 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 £52. PLAY flights start at £52 while deals on Wizz Air start at £63 one-way.

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

    Most travelers choose London Gatwick - Reykjavik Keflavik Intl, London Heathrow - Reykjavik Keflavik Intl or London Stansted - 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 (100%), Qatar Airways (97%) or Qantas Airways (90%) 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 £99. On average you can expect to pay £926. The most popular route, (London Gatwick - Reykjavik Keflavik Intl), can usually be booked for £116.

  • 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 15 April 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 15 April 2025.
AirlineCheapestAverageFlexibilityOn-time
easyJetCheapest£50Average£104FlexibilityNo cancel feeOn-time86%
Search easyJet flights
PLAYCheapest£77Average£123FlexibilityNo cancel feeOn-timeN/A
Search PLAY flights
British AirwaysCheapest£104Average£193FlexibilityNo cancel feeOn-time70%
Search British Airways flights
IcelandairCheapest£117Average£217FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
Scandinavian AirlinesCheapest£156Average£300FlexibilityNo 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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