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Cheap flights from London to Reykjavik Keflavik Intl Airport from £70

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 21/9. Fares are subject to change and may not be available on all flights or dates of travel.
LON — KEF
26 Aug — 2 Sep1
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 Tuesday or Wednesday and return on a Sunday

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 21 August 2025.

Round-trip from

£120

One-way from

£70

Popular in

July

Cheapest in

January

Average price

£232

Good round-trip deal

£67 or less

Good one-way deal

£37 or less
easyJet
  • easyJet
  • 19/12-23/12
  • Nonstop
  • 6h 10m total
  • London to Reykjavik
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easyJet
  • easyJet
  • 21/9
  • Nonstop
  • 3h 05m total
  • London to Reykjavik
Search Deals
Highest demand for flights based on searches. 34% potential increase in price (£55 potential increase over avg. return price).
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Cheapest flight prices on average. 6% potential price decrease (£7 potential savings vs. average return price).
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Average for round-trip flights in August 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 21 August 2025.

Fri 19/1215:40LTN - KEF
Nonstop3h 15measyJet
Tue 23/1211:05KEF - LTN
Nonstop2h 55measyJet
Deal found 20/8£120
Thu 18/1213:55LGW - KEF
Nonstop3h 20measyJet
Fri 26/1219:15KEF - LGW
Nonstop3h 10measyJet
Deal found 20/8£120
Sat 4/1008:30LTN - KEF
1 stop11h 15mWizz Air
Sat 11/1019:25KEF - LTN
1 stop11h 20mWizz Air
Deal found 19/8£121
Fri 19/1215:00LGW - KEF
Nonstop3h 20measyJet
Wed 24/1218:05KEF - LGW
Nonstop3h 10measyJet
Deal found 19/8£121
Mon 10/1107:30STN - KEF
1 stop12h 10mMultiple Airlines
Fri 21/1119:45KEF - STN
1 stop14h 20mMultiple Airlines
Deal found 18/8£121
Wed 3/908:30LTN - KEF
1 stop12h 45mWizz Air
Tue 23/919:25KEF - LTN
1 stop11h 20mWizz Air
Deal found 19/8£122
Sun 16/1107:00LGW - KEF
Nonstop3h 30measyJet
Tue 18/1117:05KEF - LGW
1 stop14h 45measyJet
Deal found 19/8£122
Thu 9/1011:40STN - KEF
Nonstop3h 05mPLAY
Tue 14/1006:40KEF - STN
Nonstop3h 00mPLAY
Deal found 20/8£122
Mon 10/1108:00LTN - KEF
Nonstop3h 15measyJet
Sun 16/1110:05KEF - LTN
Nonstop2h 55measyJet
Deal found 19/8£122
Thu 6/1113:25LTN - KEF
Nonstop3h 15measyJet
Sun 16/1110:05KEF - LTN
Nonstop2h 55measyJet
Deal found 19/8£123
Wed 8/1011:40STN - KEF
Nonstop3h 05mPLAY
Wed 15/1006:40KEF - STN
Nonstop3h 00mPLAY
Deal found 20/8£123
Mon 6/1008:30LTN - KEF
1 stop35h 15mWizz Air
Thu 16/1019:25KEF - LTN
1 stop24h 15mWizz Air
Deal found 19/8£124

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 21 August 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

LTN - KEF

LTNKEF

London Luton

Fri 19/12

15:40-18:55

Nonstop3h 15m

Reykjavik Keflavik Intl

Tue 23/12

11:05-14:00

Nonstop2h 55m

£120

LondonReykjavik

LGW - KEF

LGWKEF

London Gatwick

Thu 18/12

13:55-17:15

Nonstop3h 20m

Reykjavik Keflavik Intl

Fri 26/12

19:15-22:25

Nonstop3h 10m

£120

LondonReykjavik

LTN - KEF

LTNKEF

London Luton

Sat 4/10

08:30-18:45

1 stop11h 15m

Reykjavik Keflavik Intl

Sat 11/10

19:25-07:45

1 stop11h 20m

£121

LondonReykjavik

LTN - KEF

LTNKEF

London Luton

Tue 11/11

07:00-10:15

Nonstop3h 15m

Reykjavik Keflavik Intl

Sun 16/11

00:45-13:55

1 stop13h 10m

£121

LondonReykjavik

LTN - KEF

LTNKEF

London Luton

Sun 12/10

06:50-08:55

Nonstop3h 05m

Reykjavik Keflavik Intl

Tue 21/10

19:25-07:45

1 stop11h 20m

£121

LondonReykjavik

LTN - KEF

LTNKEF

London Luton

Tue 4/11

07:00-10:15

Nonstop3h 15m

Reykjavik Keflavik Intl

Sun 16/11

10:05-13:00

Nonstop2h 55m

£121

LondonReykjavik

STN - KEF

STNKEF

London Stansted

Mon 10/11

07:30-19:40

1 stop12h 10m

Reykjavik Keflavik Intl

Fri 21/11

19:45-10:05

1 stop14h 20m

£121

LondonReykjavik

LTN - KEF

LTNKEF

London Luton

Wed 5/11

07:30-10:45

Nonstop3h 15m

Reykjavik Keflavik Intl

Sun 16/11

10:05-13:00

Nonstop2h 55m

£121

LondonReykjavik

LGW - KEF

LGWKEF

London Gatwick

Fri 19/12

15:00-18:20

Nonstop3h 20m

Reykjavik Keflavik Intl

Wed 24/12

18:05-21:15

Nonstop3h 10m

£121

LondonReykjavik

STN - KEF

STNKEF

London Stansted

Thu 9/10

11:40-13:45

Nonstop3h 05m

Reykjavik Keflavik Intl

Tue 14/10

06:40-10:40

Nonstop3h 00m

£122

Flights are sorted by cheapest return flights first.

Deals found on 20/8

Showing 1-10 of 60 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 8 August 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 21 August 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 16 December 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. 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 21 August 2025.

The most flights from LON to KEF are scheduled on a Monday (21 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (9 on average).

What’s the top stopover airport for flights from London to Reykjavik Keflavik Intl Airport?

Share of one-stop return flights from London to Reykjavik Keflavik Intl Airport chosen by Cheapflights users in the past 12 months, using the same stopover each way.

Copenhagen (CPH) – chosen by Cheapflights users on 67% of one-stop itineraries from London to Reykjavik Keflavik Intl Airport on Cheapflights.

What’s the cheapest stopover airport for flights from London to Reykjavik Keflavik Intl Airport?

Average return fare for one-stop flights from London to Reykjavik Keflavik Intl Airport, chosen by Cheapflights users in the past 12 months, with the same stopover each way.

Copenhagen (CPH) is the most affordable one-stop option, with an average return flight price of £314.

What’s the fastest stopover option from London to Reykjavik Keflavik Intl Airport?

Shortest average travel time for one-stop one-way flights from London to Reykjavik Keflavik Intl Airport, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.

Flights via Frankfurt am Main (FRA) have the shortest average one-way travel time for one-stop routes: 6h 30m.

Which airport typically offers the quickest stopover for flights from London to Reykjavik Keflavik Intl Airport?

Average stopover duration for one-stop one-way flights from London to Reykjavik Keflavik Intl Airport, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Frankfurt am Main (FRA) offer the fastest connection on this route, with an average stopover time of 1h 36m.

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 21 August 2025.
Get a feel of what it's like to fly with Icelandair, PLAY, andeasyJet from London to Reykjavik Keflavik Intl Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Icelandair
7.0
Good
528 reviews
Check prices

Boarding

7.1

Crew

8.0

Entertainment

7.0

Food

6.2

Overall

7.0

Comfort

6.9

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

KEF - EWR

The airport in Reykjavik had too few seats at the departure gate. Otherwise the airport experience was fine. The flight was timely and smooth. The airplane was well maintained and staff pleasant and efficient
Icelandair
7.0
Good
528 reviews
Icelandair
7.0
Good
528 reviews
Check prices

Boarding

7.1

Crew

8.0

Entertainment

7.0

Food

6.2

Overall

7.0

Comfort

6.9

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

KEF - EWR

The airport in Reykjavik had too few seats at the departure gate. Otherwise the airport experience was fine. The flight was timely and smooth. The airplane was well maintained and staff pleasant and efficient
PLAY
7.0
Good
Icelandair
7.0
Good
528 reviews
Check prices

Boarding

7.1

Crew

8.0

Entertainment

7.0

Food

6.2

Overall

7.0

Comfort

6.9

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

KEF - EWR

The airport in Reykjavik had too few seats at the departure gate. Otherwise the airport experience was fine. The flight was timely and smooth. The airplane was well maintained and staff pleasant and efficient
easyJet
6.9
Okay
1,818 reviews
Icelandair
7.0
Good
528 reviews
Check prices

Boarding

7.1

Crew

8.0

Entertainment

7.0

Food

6.2

Overall

7.0

Comfort

6.9

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

KEF - EWR

The airport in Reykjavik had too few seats at the departure gate. Otherwise the airport experience was fine. The flight was timely and smooth. The airplane was well maintained and staff pleasant and efficient
British Airways
6.7
Okay
7,291 reviews
Icelandair
7.0
Good
528 reviews
Check prices

Boarding

7.1

Crew

8.0

Entertainment

7.0

Food

6.2

Overall

7.0

Comfort

6.9

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

KEF - EWR

The airport in Reykjavik had too few seats at the departure gate. Otherwise the airport experience was fine. The flight was timely and smooth. The airplane was well maintained and staff pleasant and efficient

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.

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

    A quick flight from London to Reykjavik Keflavik Intl Airport can take about 3h 05m. easyJet provides one of the quickest options available for as low as £122. The distance from London to Reykjavik Keflavik Intl Airport is about 1170 mi. Both multi-stop and direct flights can be found to your destination and back.

  • What are the cheapest airlines flying from London to Reykjavik Keflavik Intl Airport round-trip?

    Currently priced at £49, 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 Icelandair - these airlines can fly you to your destination from £75 and £114, respectively. You may be able to fly from London to Reykjavik Keflavik Intl Airport for 66% 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 £70. Wizz Air flights start at £73 while deals on Wizz Air start at £74 one-way.

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

    Most travelers choose London Heathrow - Reykjavik Keflavik Intl, London Gatwick - Reykjavik Keflavik Intl or London City - 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 American Airlines (88%), Qatar Airways (88%) or Japan Airlines (88%) 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 £910. The most popular route, (London Heathrow - Reykjavik Keflavik Intl), can usually be booked for £129.

  • 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

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
Hveragerdi
Keflavik

Browse thousands of different options on Cheapflights for your next trip

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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 21 August 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 21 August 2025.
AirlineCheapestAverageFlexibilityOn-time
easyJetCheapest£49Average£97FlexibilityNo cancel feeOn-time86%
Search easyJet flights
PLAYCheapest£75Average£127FlexibilityNo cancel feeOn-timeN/A
Search PLAY flights
IcelandairCheapest£114Average£230FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
British AirwaysCheapest£116Average£203FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Scandinavian AirlinesCheapest£135Average£272FlexibilityNo 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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