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Cheap flights from Reykjavik Keflavik Intl Airport to London from £44

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 12/3. Fares are subject to change and may not be available on all flights or dates of travel.
KEF — LON
26 Feb — 5 Mar1
1 adult

The best prices from Reykjavik Keflavik Intl to London are usually found in September or May, booked 69 days in advance, depart on a Tuesday or Sunday and return on a Friday

Cheap flight deals from Keflavik Intl to London

Discover tips and strategies to find the most affordable flight options for your journey from Keflavik Intl (KEF) to London (LON). 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 21 February 2025.

Round-trip from

£72

One-way from

£44

Popular in

October

Cheapest in

September

Average price

£153

Good round-trip deal

£53 or less

Good one-way deal

£48 or less
easyJet
  • easyJet
  • 21/3-26/3
  • Nonstop
  • 6h 10m total
  • Reykjavik to London
PLAY
  • PLAY
  • 12/3
  • Nonstop
  • 3h 00m total
  • Reykjavik to London
Highest demand for flights based on searches. 4% potential increase in price (£6 potential increase over avg. return price).
Cheapest flight prices on average. 7% potential price decrease (£9 potential savings vs. average return price).
Average for round-trip flights in February 2025
Price to beat on a round-trip flight from Reykjavik Keflavik Intl to London (LON).
Price to beat on a one-way flight from Reykjavik Keflavik Intl to London (LON).

Find flight deals from Keflavik Intl to London

Cheapest flights from Keflavik Intl to London
Explore the most affordable flight options available from Keflavik Intl to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 February 2025.

Fri 21/318:05KEF - LTN
Nonstop2h 55measyJet
Wed 26/315:35LTN - KEF
Nonstop3h 15measyJet
Deal found 20/2£72
Wed 26/317:55KEF - LGW
Nonstop3h 15measyJet
Mon 31/307:05LGW - KEF
Nonstop3h 20measyJet
Deal found 20/2£82
Fri 28/307:00KEF - STN
Nonstop3h 00mPLAY
Sun 30/311:40STN - KEF
Nonstop3h 05mPLAY
Deal found 20/2£85
Thu 20/311:40KEF - LHR
Nonstop3h 15mBritish Airways
Sun 23/307:20LHR - KEF
Nonstop3h 20mBritish Airways
Deal found 20/2£125
Fri 28/311:10KEF - LTN
Nonstop3h 00mMultiple Airlines
Mon 31/320:05LTN - KEF
1 stop14h 25mMultiple Airlines
Deal found 20/2£128
Tue 25/315:15KEF - STN
1 stop5h 30mMultiple Airlines
Sun 30/311:40STN - KEF
Nonstop3h 05mMultiple Airlines
Deal found 20/2£131
Wed 19/316:20KEF - LHR
Nonstop3h 10mIcelandair
Tue 25/320:40LHR - KEF
Nonstop3h 15mIcelandair
Deal found 20/2£135
Fri 28/319:50KEF - LGW
Nonstop3h 15mMultiple Airlines
Sun 30/308:55LGW - KEF
1 stop10h 20mMultiple Airlines
Deal found 20/2£162
Tue 29/410:30KEF - LGW
Nonstop3h 10mIcelandair
Wed 30/415:40LGW - KEF
Nonstop3h 15mIcelandair
Deal found 20/2£191
Wed 21/511:05KEF - LHR
1 stop6h 45mMultiple Airlines
Sun 25/521:25LHR - KEF
Nonstop3h 10mMultiple Airlines
Deal found 20/2£192
Mon 10/310:40KEF - LGW
1 stop21h 00mWizz Air
Thu 13/319:20LGW - KEF
1 stop14h 40mWizz Air
Deal found 20/2£196
Wed 19/307:00KEF - STN
Nonstop3h 00mWorldTicket
Sun 23/311:00STN - KEF
Nonstop3h 05mWorldTicket
Deal found 20/2£244

Find flights from Keflavik Intl to London within your budget

Customise your flight search to find flights from Keflavik Intl to London 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 21 February 2025.

Fly from

Keflavik Intl

Fly to

London

Route

Depart

Return

Price

ReykjavikLondon

KEF - LTN

KEFLTN

Reykjavik Keflavik Intl

Fri 21/3

18:05-21:00

Nonstop2h 55m

London Luton

Wed 26/3

15:35-18:50

Nonstop3h 15m

£72

ReykjavikLondon

KEF - LGW

KEFLGW

Reykjavik Keflavik Intl

Wed 26/3

17:55-21:10

Nonstop3h 15m

London Gatwick

Mon 31/3

07:05-09:25

Nonstop3h 20m

£82

ReykjavikLondon

KEF - STN

KEFSTN

Reykjavik Keflavik Intl

Fri 28/3

07:00-10:00

Nonstop3h 00m

London Stansted

Sun 30/3

11:40-13:45

Nonstop3h 05m

£85

ReykjavikLondon

KEF - LHR

KEFLHR

Reykjavik Keflavik Intl

Thu 20/3

11:40-14:55

Nonstop3h 15m

London Heathrow

Sun 23/3

07:20-10:40

Nonstop3h 20m

£125

ReykjavikLondon

KEF - LTN

KEFLTN

Reykjavik Keflavik Intl

Fri 28/3

11:10-14:10

Nonstop3h 00m

London Luton

Mon 31/3

20:05-09:30

1 stop14h 25m

£128

ReykjavikLondon

KEF - STN

KEFSTN

Reykjavik Keflavik Intl

Tue 25/3

15:15-20:45

1 stop5h 30m

London Stansted

Sun 30/3

11:40-13:45

Nonstop3h 05m

£131

ReykjavikLondon

KEF - LHR

KEFLHR

Reykjavik Keflavik Intl

Wed 19/3

16:20-19:30

Nonstop3h 10m

London Heathrow

Tue 25/3

20:40-23:55

Nonstop3h 15m

£135

ReykjavikLondon

KEF - LGW

KEFLGW

Reykjavik Keflavik Intl

Fri 28/3

19:50-23:05

Nonstop3h 15m

London Gatwick

Sun 30/3

08:55-18:15

1 stop10h 20m

£162

ReykjavikLondon

KEF - LGW

KEFLGW

Reykjavik Keflavik Intl

Tue 29/4

10:30-14:40

Nonstop3h 10m

London Gatwick

Wed 30/4

15:40-17:55

Nonstop3h 15m

£187

ReykjavikLondon

KEF - LHR

KEFLHR

Reykjavik Keflavik Intl

Wed 21/5

11:05-18:50

1 stop6h 45m

London Heathrow

Sun 25/5

21:25-23:35

Nonstop3h 10m

£192

Flights are sorted by cheapest return flights first.

Deals found on 20/2

Showing 1-10 of 53 results
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Best time to book a flight from Keflavik Intl to London

Have a flexible travel schedule? Discover the best time to fly to London from Keflavik Intl 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 Keflavik Intl to London

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

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

Use this chart to determine the optimal time to book a return flight from Keflavik Intl to London. Price data was last updated on 14 February 2025.

The price you pay for your flight from Reykjavik Keflavik Intl Airport to London may vary depending on when you book. For the best chance of a lower fare, look to book 67 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, January is the cheapest month in which you can book a flight from Reykjavik Keflavik Intl Airport to London (average of £112). Flying from Reykjavik Keflavik Intl Airport to London in August is currently the most expensive (average of £163). 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 KEF to LON?

Find hourly flight availability from Keflavik Intl to London. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 21 February 2025.

It’s optimal to fly from Reykjavik Keflavik Intl Airport to London in the morning. By choosing this option you can save up to 8% on the cost of your flight, compared to a flight at midday.

Weekly flight availability from Reykjavik Keflavik Intl Airport to London

Explore weekly flight availability from Keflavik Intl to London. 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 21 February 2025.

The most flights from KEF to LON are scheduled on a Friday (18 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (8 on average).

Rainfall in London by month

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

In terms of precipitation, rainfall in London ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London when rainfall is around 40.0 mm.

Temperature in London by month

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

If weather is an important factor for your trip to London, 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 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

Reviews of airlines servicing London

Get insights into the airlines that provide service to London. 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 London. Reviews last updated 21 February 2025.
Peruse reviews from past customers who have flown with Jet2, KLM and airBaltic from Reykjavik to London to help guide your decision. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Comfort

7.7

Food

7.2

Entertainment

6.2

Overall

8.3

Crew

8.8

Boarding

8.2

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

Comfort

7.7

Food

7.2

Entertainment

6.2

Overall

8.3

Crew

8.8

Boarding

8.2

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.

Comfort

7.7

Food

7.2

Entertainment

6.2

Overall

8.3

Crew

8.8

Boarding

8.2

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.

Comfort

7.7

Food

7.2

Entertainment

6.2

Overall

8.3

Crew

8.8

Boarding

8.2

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.

Comfort

7.7

Food

7.2

Entertainment

6.2

Overall

8.3

Crew

8.8

Boarding

8.2

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.

Comfort

7.7

Food

7.2

Entertainment

6.2

Overall

8.3

Crew

8.8

Boarding

8.2

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 Keflavik Intl to London. 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 Reykjavik Keflavik Intl Airport to London round-trip?

    According to our current data, easyJet (£72), PLAY (£85), and British Airways (£125) offers the cheapest pricing from Reykjavik Keflavik Intl Airport to London. easyJet is 54% cheaper than the average price of flights available within the next 90 days to this destination.

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

    The cheapest airline one-way is PLAY, with whom users have recently found tickets for as low as £44. However, be on the lookout for offers from easyJet and British Airways, as they are both options that can get you from Reykjavik Keflavik Intl Airport to London for a low price.

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

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

    The top 3 most reliable airlines when flying from Reykjavik Keflavik Intl Airport to London are Emirates (89%), American Airlines (77%) and British Airways (77%).

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

    Looking for the cheapest flight from Reykjavik Keflavik Intl Airport to London? While on average our users pay £596, our data indicates the cheapest price to be £82. The most popular route (Reykjavik Keflavik Intl - London Gatwick), is priced around £93.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Keflavik Intl to London 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 Reykjavik Keflavik Intl Airport to London?

    Currently, January is the cheapest month in which you can book a flight from Reykjavik Keflavik Intl Airport to London (average of £112). Flying from Reykjavik Keflavik Intl Airport to London in August is currently the most expensive (average of £163). 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
Deal
Hounslow
Milton Keynes
Croydon
Gatwick
Slough
Luton
Ilford
Hayes
Eastbourne
Wembley
Southend-on-Sea
Ipswich
Winchester
Maidstone
Crawley
Southall
Watford
Dartford
Stansted

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Yes! Start tracking prices for Keflavik Intl to London flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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