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Cheap flights from London to Reykjavik Keflavik Intl Airport from $83

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 7/3. Fares are subject to change and may not be available on all flights or dates of travel.
LON — KEF
27 Jan — 3 Feb1
1 adult

The best prices from London to Reykjavik Keflavik Intl are usually found in January or March, booked 84 days in advance, depart on a Wednesday or Sunday 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 22 January 2025.

Round-trip from

$160

One-way from

$83

Popular in

August

Cheapest in

January

Average price

$138

Good round-trip deal

$161 or less

Good one-way deal

$65 or less
easyJet
  • easyJet
  • 16/3-21/3
  • Nonstop
  • 6h 05m total
  • London to Reykjavik
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easyJet
  • easyJet
  • 7/3
  • Nonstop
  • 3h 15m total
  • London to Reykjavik
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Highest demand for flights based on searches. 22% potential increase in price ($134 potential increase over avg. return price).
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Cheapest flight prices on average. 5% potential price decrease ($24 potential savings vs. average return price).
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Average for round-trip flights in January 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 22 January 2025.

Sun 16/306:00LTN - KEF
Nonstop3h 10measyJet
Fri 21/318:05KEF - LTN
Nonstop2h 55measyJet
Deal found 21/1$160
Mon 24/307:40LGW - KEF
Nonstop3h 25measyJet
Thu 27/318:05KEF - LGW
Nonstop3h 10measyJet
Deal found 21/1$160
Tue 18/311:00STN - KEF
Nonstop3h 05mPLAY
Mon 24/307:00KEF - STN
Nonstop3h 00mPLAY
Deal found 21/1$163
Wed 23/408:25STN - KEF
Nonstop2h 50mMultiple Airlines
Thu 24/406:40KEF - STN
Nonstop3h 00mMultiple Airlines
Deal found 21/1$230
Tue 18/307:00LTN - KEF
Nonstop3h 10mMultiple Airlines
Tue 18/300:45KEF - LTN
1 stop18h 20mMultiple Airlines
Deal found 22/1$238
Tue 4/308:50STN - KEF
1 stop5h 45measyJet
Tue 11/315:15KEF - STN
1 stop5h 30measyJet
Deal found 21/1$245
Mon 10/1107:35LHR - KEF
Nonstop3h 20mBritish Airways
Mon 17/1111:45KEF - LHR
Nonstop3h 15mBritish Airways
Deal found 21/1$275
Wed 23/415:40LGW - KEF
Nonstop3h 15mMultiple Airlines
Thu 24/410:40KEF - LGW
Nonstop3h 15mMultiple Airlines
Deal found 21/1$286
Sat 8/320:40LHR - KEF
Nonstop3h 15mIcelandair
Tue 18/307:35KEF - LHR
Nonstop3h 15mIcelandair
Deal found 22/1$291
Thu 24/415:40LGW - KEF
Nonstop3h 15mIcelandair
Mon 28/410:30KEF - LGW
Nonstop3h 10mIcelandair
Deal found 22/1$291
Thu 13/319:50LHR - KEF
2 stops14h 50mScandinavian Airlines
Mon 17/315:10KEF - LHR
1 stop6h 25mScandinavian Airlines
Deal found 22/1$323
Wed 9/408:25STN - KEF
Nonstop2h 50mJet2
Wed 16/411:15KEF - STN
Nonstop2h 45mJet2
Deal found 21/1$325

Find flights from London to Keflavik Intl within your budget

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 647,157 searches. Data last updated 22 January 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

LondonReykjavik

LTN - KEF

LTNKEF

London Luton

Sun 16/3

06:00-09:10

Nonstop3h 10m

Reykjavik Keflavik Intl

Fri 21/3

18:05-21:00

Nonstop2h 55m

$160

LondonReykjavik

LGW - KEF

LGWKEF

London Gatwick

Mon 24/3

07:40-11:05

Nonstop3h 25m

Reykjavik Keflavik Intl

Thu 27/3

18:05-21:15

Nonstop3h 10m

$160

LondonReykjavik

STN - KEF

STNKEF

London Stansted

Tue 18/3

11:00-14:05

Nonstop3h 05m

Reykjavik Keflavik Intl

Mon 24/3

07:00-10:00

Nonstop3h 00m

$163

LondonReykjavik

STN - KEF

STNKEF

London Stansted

Wed 23/4

08:25-10:15

Nonstop2h 50m

Reykjavik Keflavik Intl

Thu 24/4

06:40-10:40

Nonstop3h 00m

$230

LondonReykjavik

LTN - KEF

LTNKEF

London Luton

Tue 18/3

07:00-10:10

Nonstop3h 10m

Reykjavik Keflavik Intl

Tue 18/3

00:45-19:05

1 stop18h 20m

$238

LondonReykjavik

STN - KEF

STNKEF

London Stansted

Tue 4/3

08:50-14:35

1 stop5h 45m

Reykjavik Keflavik Intl

Tue 11/3

15:15-20:45

1 stop5h 30m

$245

LondonReykjavik

LHR - KEF

LHRKEF

London Heathrow

Wed 23/4

07:55-10:00

Nonstop3h 05m

Reykjavik Keflavik Intl

Thu 24/4

10:30-14:40

Nonstop3h 10m

$285

LondonReykjavik

LGW - KEF

LGWKEF

London Gatwick

Wed 23/4

15:40-17:55

Nonstop3h 15m

Reykjavik Keflavik Intl

Thu 24/4

10:40-14:55

Nonstop3h 15m

$286

LondonReykjavik

LTN - KEF

LTNKEF

London Luton

Tue 18/3

08:30-19:15

1 stop10h 45m

Reykjavik Keflavik Intl

Tue 18/3

00:45-19:05

1 stop18h 20m

$291

LondonReykjavik

LHR - KEF

LHRKEF

London Heathrow

Sat 8/3

20:40-23:55

Nonstop3h 15m

Reykjavik Keflavik Intl

Tue 18/3

07:35-10:50

Nonstop3h 15m

$291

Flights are sorted by cheapest return flights first.

Deals found on 21/1

Showing 1-10 of 52 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.

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 return flight from London to Keflavik Intl. Price data was last updated on 17 January 2025.

To ensure you get the cheapest price possible for a flight from London to Reykjavik Keflavik Intl Airport, you should look to book at least 84 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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 22 January 2025.

When flying from London to Reykjavik Keflavik Intl Airport, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 36% versus a flight in the evening.

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 22 January 2025.

The most flights from LON to KEF are scheduled on a Tuesday (13 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (6 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 22 January 2025.
Get a feel of what it's like to fly with PLAY, Icelandair and SWISS from London to Reykjavik by reading reviews from past customers. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Jet2
8.3
Very Good
155 reviews
Check prices

Crew

8.8

Entertainment

6.2

Overall

8.3

Boarding

8.2

Food

7.2

Comfort

7.7

Reviews

1 / 10

Late arrival meant 1 and1/2 hour delay made up some time on way home Baggage at Edinburgh a disgrace

Jet2
8.3
Very Good
155 reviews
Jet2
8.3
Very Good
155 reviews
Check prices

Crew

8.8

Entertainment

6.2

Overall

8.3

Boarding

8.2

Food

7.2

Comfort

7.7

Reviews

1 / 10

Late arrival meant 1 and1/2 hour delay made up some time on way home Baggage at Edinburgh a disgrace

KLM
7.8
Good
1,341 reviews
Jet2
8.3
Very Good
155 reviews
Check prices

Crew

8.8

Entertainment

6.2

Overall

8.3

Boarding

8.2

Food

7.2

Comfort

7.7

Reviews

1 / 10

Late arrival meant 1 and1/2 hour delay made up some time on way home Baggage at Edinburgh a disgrace

airBaltic
7.8
Good
178 reviews
Jet2
8.3
Very Good
155 reviews
Check prices

Crew

8.8

Entertainment

6.2

Overall

8.3

Boarding

8.2

Food

7.2

Comfort

7.7

Reviews

1 / 10

Late arrival meant 1 and1/2 hour delay made up some time on way home Baggage at Edinburgh a disgrace

Norwegian
7.7
Good
249 reviews
Jet2
8.3
Very Good
155 reviews
Check prices

Crew

8.8

Entertainment

6.2

Overall

8.3

Boarding

8.2

Food

7.2

Comfort

7.7

Reviews

1 / 10

Late arrival meant 1 and1/2 hour delay made up some time on way home Baggage at Edinburgh a disgrace

LOT
7.6
Good
1,117 reviews
Jet2
8.3
Very Good
155 reviews
Check prices

Crew

8.8

Entertainment

6.2

Overall

8.3

Boarding

8.2

Food

7.2

Comfort

7.7

Reviews

1 / 10

Late arrival meant 1 and1/2 hour delay made up some time on way home Baggage at Edinburgh a disgrace

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 $160. Other airlines that can offer you cheap pricing are PLAY, from $163, and British Airways, from $285. Users have found that easyJet is 44% 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 cheapet airlines for a one-way flight from London to Reykjavik Keflavik Intl Airport are easyJet ($83), PLAY ($88), and Icelandair ($141).

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

    Most travellers choose London Heathrow - Reykjavik Keflavik Intl, London Luton - 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?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from London to Reykjavik Keflavik Intl Airport on time: Emirates (83%), Qatar Airways (83%), American Airlines (73%).

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

    On average you can expect to pay $1,275 for a flight from London to Reykjavik Keflavik Intl Airport. The cheapest flight overall is $131 while the most popular route, (London Heathrow - Reykjavik Keflavik Intl) is currently priced at $166.

  • 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.

See more FAQs

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Top airline flying from London to Keflavik Intl

Discover the top airline 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 647,157 searches. Data last updated 22 January 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$265Average$421FlexibilityNo cancel feeOn-time70%
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Yes! Start tracking prices for London to Keflavik Intl 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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