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Keflavik Intl

$55+ Cheap flights from London (LON) to Keflavik Intl (KEF)

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 3/28. Fares are subject to change and may not be available on all flights or dates of travel.
LON — KEF
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
1 adult, Economy
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The best prices from London to Reykjavik Keflavik Intl are usually found in January or February, booked 84 days in advance, depart on a Thursday or Monday 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 February 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$105
(easyJet)

One-way from

$55
(easyJet)

Popular in

August

Cheapest in

January

Average price

$123

Good round-trip deal

$94 or less

Good one-way deal

$65 or less
Provider with most accurate pricing for London (LON)-Reykjavik Keflavik Intl flight deals.
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Provider most trusted by Cheapflights users for London (LON)-Reykjavik Keflavik Intl flights.
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From London (LON) to Reykjavik Keflavik Intl
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One-way flight from London (LON) to Reykjavik Keflavik Intl
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Highest demand for flights based on searches. 22% potential increase in price ($52 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($9 potential savings vs. average RT price).
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Average for round-trip flights in February 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 February 20, 2025.

This easyJet deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure easyJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/236:05 amLTN - KEF
Nonstop3h 05measyJet
Wed 4/309:00 amKEF - LTN
Nonstop3h 00measyJet
Deal found 2/20$105
This easyJet deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure easyJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/258:00 amLGW - KEF
Nonstop3h 25measyJet
Fri 3/287:50 pmKEF - LGW
Nonstop3h 15measyJet
Deal found 2/20$127
This Trip.com deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/2111:55 amLGW - KEF
Nonstop3h 25mIcelandair
Wed 12/37:40 amKEF - LGW
Nonstop3h 15mIcelandair
Deal found 2/20$159
This Booking.com deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/212:10 pmLHR - KEF
Nonstop3h 25mBritish Airways
Wed 12/311:45 amKEF - LHR
Nonstop3h 15mBritish Airways
Deal found 2/20$176
This Mytrip deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/239:25 pmLHR - KEF
Nonstop3h 10mIcelandair
Mon 4/284:10 pmKEF - LHR
Nonstop3h 10mIcelandair
Deal found 2/19$182
This easyJet worldwide deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure easyJet worldwide is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/207:00 amLGW - KEF
1 stop7h 15mMultiple Airlines
Fri 3/287:50 pmKEF - LGW
Nonstop3h 15mMultiple Airlines
Deal found 2/20$203
This easyJet worldwide deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure easyJet worldwide is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/127:05 amLTN - KEF
1 stop7h 05mMultiple Airlines
Wed 3/197:35 pmKEF - LTN
Nonstop2h 55mMultiple Airlines
Deal found 2/20$209
This Scandinavian Airlines deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/109:05 pmLHR - KEF
2 stops13h 25mScandinavian Airlines
Mon 11/173:10 pmKEF - LHR
1 stop6h 25mScandinavian Airlines
Deal found 2/19$210
This SWISS deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/306:00 amLHR - KEF
1 stop27h 20mSWISS
Thu 5/89:05 amKEF - LHR
1 stop11h 40mSWISS
Deal found 2/19$232
This Kiwi.com deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/239:35 pmLHR - KEF
1 stop11h 40mMultiple Airlines
Mon 4/2811:05 amKEF - LHR
1 stop6h 45mMultiple Airlines
Deal found 2/19$250
This Lufthansa deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/296:30 pmLHR - KEF
2 stops38h 50mLufthansa
Wed 5/712:25 amKEF - LHR
1 stop6h 15mLufthansa
Deal found 2/19$293
This Gotogate deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/209:15 amLGW - KEF
1 stop8h 25mNorwegian
Sun 3/239:45 amKEF - LGW
1 stop22h 50mNorwegian
Deal found 2/20$322

Find flights from London to Keflavik Intl within your budget

Customize 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 2,558,603 searches. Data last updated February 20, 2025.

Fly from

London

Fly to

Keflavik Intl

Route

Depart

Return

Price

LondonReykjavik

LTN - KEF

LTNKEF

London Luton

Wed 4/23

6:05 am-8:10 am

Nonstop3h 05m

Reykjavik Keflavik Intl

Wed 4/30

9:00 am-1:00 pm

Nonstop3h 00m

$105

LondonReykjavik

LGW - KEF

LGWKEF

London Gatwick

Tue 3/25

8:00 am-11:25 am

Nonstop3h 25m

Reykjavik Keflavik Intl

Fri 3/28

7:50 pm-11:05 pm

Nonstop3h 15m

$127

LondonReykjavik

LHR - KEF

LHRKEF

London Heathrow

Wed 4/23

9:25 pm-11:35 pm

Nonstop3h 10m

Reykjavik Keflavik Intl

Wed 4/30

7:40 am-11:55 am

Nonstop3h 15m

$182

LondonReykjavik

LHR - KEF

LHRKEF

London Heathrow

Tue 3/25

7:35 am-10:55 am

Nonstop3h 20m

Reykjavik Keflavik Intl

Fri 3/28

6:45 pm-9:45 pm

Nonstop3h 00m

$187

LondonReykjavik

LGW - KEF

LGWKEF

London Gatwick

Wed 3/19

6:50 am-2:15 pm

1 stop7h 25m

Reykjavik Keflavik Intl

Thu 3/27

9:25 am-10:15 pm

1 stop12h 50m

$198

LondonReykjavik

LGW - KEF

LGWKEF

London Gatwick

Thu 4/24

3:40 pm-5:55 pm

Nonstop3h 15m

Reykjavik Keflavik Intl

Wed 5/7

10:30 am-2:40 pm

Nonstop3h 10m

$199

LondonReykjavik

LTN - KEF

LTNKEF

London Luton

Wed 3/12

7:05 am-2:10 pm

1 stop7h 05m

Reykjavik Keflavik Intl

Wed 3/19

7:35 pm-10:30 pm

Nonstop2h 55m

$209

LondonReykjavik

LHR - KEF

LHRKEF

London Heathrow

Wed 4/30

6:00 am-8:20 am

1 stop27h 20m

Reykjavik Keflavik Intl

Thu 5/8

9:05 am-9:45 pm

1 stop11h 40m

$232

LondonReykjavik

LHR - KEF

LHRKEF

London Heathrow

Tue 5/6

9:05 pm-9:30 am

2 stops13h 25m

Reykjavik Keflavik Intl

Fri 5/9

8:40 am-6:50 pm

1 stop9h 10m

$242

LondonReykjavik

LHR - KEF

LHRKEF

London Heathrow

Wed 4/23

9:35 pm-8:15 am

1 stop11h 40m

Reykjavik Keflavik Intl

Mon 4/28

11:05 am-6:50 pm

1 stop6h 45m

$250

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

Showing 1-10 of 40 results
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  • Most accurate provider: When it comes to deals on London-Reykjavik Keflavik Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on London-Reykjavik Keflavik Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from London-Reykjavik Keflavik Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on London-Reykjavik Keflavik Intl Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for London-Reykjavik Keflavik Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 round-trip 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 round-trip flight from London to Keflavik Intl. Price data was last updated on February 14, 2025.

Booking 84 days in advance of your planned departure date is, on average, the best time to get cheap flights from London to Reykjavik Keflavik Intl Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, November is the cheapest month in which you can book a flight from London to Reykjavik Keflavik Intl Airport (average of $328). Flying from London to Reykjavik Keflavik Intl Airport in June is currently the most expensive (average of $657). 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 February 20, 2025.

It’s optimal to fly from London to Reykjavik Keflavik Intl Airport in the afternoon. By choosing this option you can save up to 42% on the cost of your flight, compared to a flight at noon.

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

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

Travelers seeking maximum savings on their London to Reykjavik Keflavik Intl Airport flight should consider departing on Thursday evenings when fares are most often at their lowest. Monday at noon 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 February 20, 2025.

The most flights from LON to KEF are scheduled on a Wednesday (16 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (4 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 1.6 - 3.1 inches per month. January is typically the wettest month, when rainfall can reach 3.1 in. May is typically the driest time to visit Reykjavik Keflavik Intl Airport when rainfall is around 1.6 in.

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 51.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

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 February 20, 2025.
See what other customers who have flown with KLM, airBaltic and Norwegian from London to Reykjavik have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.8
Good
1,333 reviews

Food

7.3

Boarding

7.8

Overall

7.8

Entertainment

7.2

Comfort

7.7

Crew

8.4

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

YWG - YYZ

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

KLM
7.8
Good
1,333 reviews
KLM
7.8
Good
1,333 reviews

Food

7.3

Boarding

7.8

Overall

7.8

Entertainment

7.2

Comfort

7.7

Crew

8.4

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

YWG - YYZ

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

airBaltic
7.8
Good
177 reviews
KLM
7.8
Good
1,333 reviews

Food

7.3

Boarding

7.8

Overall

7.8

Entertainment

7.2

Comfort

7.7

Crew

8.4

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

YWG - YYZ

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

Norwegian
7.7
Good
232 reviews
KLM
7.8
Good
1,333 reviews

Food

7.3

Boarding

7.8

Overall

7.8

Entertainment

7.2

Comfort

7.7

Crew

8.4

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

YWG - YYZ

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

Finnair
7.6
Good
1,274 reviews
KLM
7.8
Good
1,333 reviews

Food

7.3

Boarding

7.8

Overall

7.8

Entertainment

7.2

Comfort

7.7

Crew

8.4

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

YWG - YYZ

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

Austrian Airlines
7.6
Good
773 reviews
KLM
7.8
Good
1,333 reviews

Food

7.3

Boarding

7.8

Overall

7.8

Entertainment

7.2

Comfort

7.7

Crew

8.4

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

YWG - YYZ

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

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?

    Cheapflights users have booked flights from London to Reykjavik Keflavik Intl Airport round-trip from $105. Other airlines that can offer you cheap pricing are Icelandair, from $182, and British Airways, from $187. Users have found that easyJet is 42% cheaper than the other options available to this destination.

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

    The cheapest airline one-way is easyJet, with whom users have recently found tickets for as low as $55. However, be on the lookout for offers from Wizz Air and Icelandair, as they are both options that can get you from London to Reykjavik Keflavik Intl Airport for a low price.

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

    The most popular route from London to Reykjavik Keflavik Intl Airport is London Luton - Reykjavik Keflavik Intl. You may also consider London Gatwick - Reykjavik Keflavik Intl or London Heathrow - Reykjavik Keflavik Intl.

  • 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?

    Looking for the cheapest flight from London to Reykjavik Keflavik Intl Airport? While on average our users pay $1,039, our data indicates the cheapest price to be $106. The most popular route (London Luton - Reykjavik Keflavik Intl), is priced around $92.

  • 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 vacation 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, November is the cheapest month in which you can book a flight from London to Reykjavik Keflavik Intl Airport (average of $328). Flying from London to Reykjavik Keflavik Intl Airport in June is currently the most expensive (average of $657). 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.

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Alternative routes for London to Keflavik Intl

See prices for flight routes from nearby airports that may be better suited for you.
Gatwick to Keflavik Intl flights
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Top 4 airlines flying from London to Keflavik Intl

Discover the top 4 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 2,558,603 searches. Data last updated February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
easyJetCheapest$79Average$100FlexibilityNo cancel feeOn-time86%
PLAYCheapest$123Average$167FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$153Average$278FlexibilityNo cancel feeOn-time70%
IcelandairCheapest$156Average$267FlexibilityNo cancel feeOn-time76%
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