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Cheap flights from Reykjavik Keflavik Intl Airport to London from £59

KEF — LON
5 Dec — 12 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Keflavik Intl to London

Enter your travel dates to find the best prices.

Cheapest flights from Keflavik Intl to London

Fri 11/1210:00 -
Nonstop3h 00m
Mon 14/1208:05 -
Nonstop3h 10m
Deal found 1/11£59
Fri 11/1210:20 -
Nonstop3h 10m
Mon 14/1207:40 -
Nonstop3h 30m
Deal found 1/11£63
Fri 11/1219:55 -
Nonstop2h 55m
Sat 2/107:00 -
Nonstop3h 15m
Deal found 2/11£68
Fri 18/1219:55 -
Nonstop2h 55m
Thu 31/1216:25 -
Nonstop3h 05m
Deal found 1/11£69
Fri 27/1110:00 -
Nonstop3h 00m
Tue 1/1207:05 -
Nonstop3h 10m
Deal found 1/11£74
Sun 27/1220:15 -
Nonstop3h 10m
Sun 3/115:55 -
Nonstop3h 25m
Deal found 1/11£76
Sat 19/1210:55 -
Nonstop3h 00m
Fri 1/115:55 -
Nonstop3h 05m
Deal found 2/11£77
Sat 12/1218:35 -
Nonstop3h 10m
Tue 15/1208:00 -
Nonstop3h 30m
Deal found 2/11£78
Sat 19/1218:35 -
Nonstop3h 10m
Fri 1/106:00 -
Nonstop3h 30m
Deal found 2/11£80
Fri 27/1118:50 -
Nonstop3h 10m
Tue 1/1208:00 -
Nonstop3h 30m
Deal found 1/11£82
Fri 4/1210:00 -
Nonstop3h 00m
Mon 7/1208:05 -
Nonstop3h 10m
Deal found 5/11£82
Fri 4/1218:50 -
Nonstop3h 10m
Mon 7/1207:40 -
Nonstop3h 30m
Deal found 3/11£87

Find flight deals from Keflavik Intl to London

Round-trip from

£59

Popular in

August

Cheapest in

January

Average price

£157

Good round-trip deal

£87 or less

Good one-way deal

£87 or less
easyJet
  • easyJet
  • 11/12-14/12
  • Nonstop
  • 6h 10m total
  • Reykjavik to London
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Highest demand for flights based on searches. 30% potential increase in price (£88 potential increase over avg. return price).
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Cheapest flight prices on average. 11% potential price decrease (£21 potential savings vs. average return price).
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Average for round-trip flights in November 2026
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Price to beat on a round-trip flight from Reykjavik Keflavik Intl to London (LON).
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Price to beat on a one-way flight from Reykjavik Keflavik Intl to London (LON).
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Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Reykjavik Keflavik Intl Airport to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

ReykjavikLondon

KEF Reykjavik Keflavik Intl - LTN London Luton

KEFLTN

Reykjavik Keflavik Intl

Fri 11/12

19:55-22:50

Nonstop2h 55m

London Luton

Mon 14/12

08:05-11:15

Nonstop3h 10m

£60

ReykjavikLondon

KEF Reykjavik Keflavik Intl - LGW London Gatwick

KEFLGW

Reykjavik Keflavik Intl

Sun 27/12

11:05-22:15

1 stop11h 10m

London Gatwick

Wed 31/12

00:00-23:00

Nonstop0h 00m

£77

ReykjavikLondon

KEF Reykjavik Keflavik Intl - LTN London Luton

KEFLTN

Reykjavik Keflavik Intl

Sat 19/12

10:55-13:55

Nonstop3h 00m

London Luton

Fri 1/1

15:55-19:00

Nonstop3h 05m

£77

ReykjavikLondon

KEF Reykjavik Keflavik Intl - LTN London Luton

KEFLTN

Reykjavik Keflavik Intl

Thu 7/1

10:00-13:00

Nonstop3h 00m

London Luton

Mon 11/1

08:00-11:15

Nonstop3h 15m

£77

ReykjavikLondon

KEF Reykjavik Keflavik Intl - LTN London Luton

KEFLTN

Reykjavik Keflavik Intl

Wed 13/1

12:05-15:05

Nonstop3h 00m

London Luton

Wed 27/1

08:00-11:15

Nonstop3h 15m

£78

ReykjavikLondon

KEF Reykjavik Keflavik Intl - STN London Stansted

KEFSTN

Reykjavik Keflavik Intl

Tue 17/11

10:50-21:55

2 stops11h 05m

London Stansted

Wed 31/12

00:00-23:00

Nonstop0h 00m

£80

ReykjavikLondon

KEF Reykjavik Keflavik Intl - STN London Stansted

KEFSTN

Reykjavik Keflavik Intl

Thu 17/12

09:20-20:00

1 stop10h 40m

London Stansted

Wed 31/12

00:00-23:00

Nonstop0h 00m

£82

ReykjavikLondon

KEF Reykjavik Keflavik Intl - LTN London Luton

KEFLTN

Reykjavik Keflavik Intl

Thu 17/12

09:20-21:55

1 stop12h 35m

London Luton

Wed 31/12

00:00-23:00

Nonstop0h 00m

£82

ReykjavikLondon

KEF Reykjavik Keflavik Intl - LGW London Gatwick

KEFLGW

Reykjavik Keflavik Intl

Mon 30/11

11:55-15:10

Nonstop3h 15m

London Gatwick

Wed 31/12

00:00-23:00

Nonstop0h 00m

£83

ReykjavikLondon

KEF Reykjavik Keflavik Intl - STN London Stansted

KEFSTN

Reykjavik Keflavik Intl

Sat 13/2

10:30-21:20

2 stops10h 50m

London Stansted

Wed 31/12

00:00-23:00

Nonstop0h 00m

£85

Flights are sorted by cheapest return flights first.

Deals found on 5/11

Showing 1-10 of 60 resultsSorted by cheapest first
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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

Cheapflights Insights

Everything you need to know about your flight from Reykjavik Keflavik Intl Airport to London

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 £140). Flying from Reykjavik Keflavik Intl Airport to London in September is currently the most expensive (average of £393). 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?

When flying from Reykjavik Keflavik Intl Airport to London, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

How much does it cost for a return flight from Reykjavik Keflavik Intl Airport to London?

Airfare is below average for this route at the moment.
Reykjavik Keflavik Intl Airport to London flights typically cost between £105 and £215 in December.
The cheapest return price found within the last 5 days was £59 on easyJet (11 Dec–14 Dec).

How often are flights from Reykjavik to London delayed?

About 10% of weekly flights between Reykjavik and London have experienced delays in the past year, with the average delay time being 123 minutes.

What is the most punctual flight time for Reykjavik to London flights?

Historically, flights departing in the early afternoon are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Tuesday tends to have the lowest number of delays on this route, whereas Thursday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Reykjavik to London flights?

Over the past year, Icelandair have had the lowest number of delays on this route, with just 8% of flights being delayed.

Reviews of airlines servicing London

Read reviews from past customers who have flown with easyJet from Reykjavik Keflavik Intl Airport to London. 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.
easyJet
6.9
Okay
1,920 reviews
Check prices

Boarding

6.8

Overall

6.9

Comfort

6.8

Crew

7.7

Food

6.0

Entertainment

5.5

Reviews

1 / 20
6.0
Good

Aleksandra,Sept 2026

RMU - LGW

Not sure Why there is no N/A option in questions as there was definitely no entertainment on EasyJet. Or food unless one pays for the dubious plastic-wrapped “ food”.
easyJet
6.9
Okay
1,920 reviews
easyJet
6.9
Okay
1,920 reviews
Check prices

Boarding

6.8

Overall

6.9

Comfort

6.8

Crew

7.7

Food

6.0

Entertainment

5.5

Reviews

1 / 20
6.0
Good

Aleksandra,Sept 2026

RMU - LGW

Not sure Why there is no N/A option in questions as there was definitely no entertainment on EasyJet. Or food unless one pays for the dubious plastic-wrapped “ food”.

Related info for your journey

  • How long is the flight from Reykjavik Keflavik Intl Airport to London?

    Departing from Reykjavik Keflavik Intl Airport to London will take you 2h 55m. The distance from Reykjavik Keflavik Intl Airport to London is about 1156 mi. Generally, flights for this route are direct.

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

    The cheapest airline one-way is British Airways, with whom users have recently found tickets for as low as £135. However, be on the lookout for offers from Icelandair and Scandinavian Airlines, 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?

    The most popular flight routes from Reykjavik Keflavik Intl Airport to London are Reykjavik Keflavik Intl - London Heathrow, Reykjavik Keflavik Intl - London Gatwick and Reykjavik Keflavik Intl - London Luton.

  • 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 Turkish Airlines (90%), Icelandair (88%) and Emirates (88%).

  • 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 £450, our data indicates the cheapest price to be £132. The most popular route (Reykjavik Keflavik Intl - London Heathrow), is priced around £140.

  • 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 £140). Flying from Reykjavik Keflavik Intl Airport to London in September is currently the most expensive (average of £393). 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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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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