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Cheap flights from London to Reykjavik Keflavik Intl Airport from $88

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 25/3. Fares are subject to change and may not be available on all flights or dates of travel.
LON — KEF
26 Feb — 5 Mar1
1 adult

The best prices from London to Reykjavik Keflavik Intl are usually found in January or February, booked 84 days in advance, depart on a Wednesday or Sunday and return on a Monday

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 February 2025.

Round-trip from

$163

One-way from

$88

Popular in

August

Cheapest in

January

Average price

$193

Good round-trip deal

$202 or less

Good one-way deal

$166 or less
easyJet
  • easyJet
  • 21/4-30/4
  • Nonstop
  • 6h 05m total
  • London to Reykjavik
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easyJet
  • easyJet
  • 25/3
  • Nonstop
  • 3h 25m total
  • London to Reykjavik
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Highest demand for flights based on searches. 22% potential increase in price ($126 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 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 21 February 2025.

Mon 21/418:15LTN - KEF
Nonstop3h 05measyJet
Wed 30/409:00KEF - LTN
Nonstop3h 00measyJet
Deal found 21/2$163
Wed 23/411:40STN - KEF
Nonstop3h 05mPLAY
Wed 30/406:40KEF - STN
Nonstop3h 00mPLAY
Deal found 20/2$168
Tue 11/1108:00LGW - KEF
Nonstop3h 25measyJet
Fri 14/1112:20KEF - LGW
Nonstop3h 15measyJet
Deal found 21/2$196
Wed 23/411:40STN - KEF
Nonstop3h 05mMultiple Airlines
Wed 30/408:05KEF - STN
1 stop5h 55mMultiple Airlines
Deal found 20/2$254
Wed 23/421:25LHR - KEF
Nonstop3h 10mIcelandair
Wed 30/416:10KEF - LHR
Nonstop3h 10mIcelandair
Deal found 20/2$265
Sun 5/1015:40LGW - KEF
Nonstop3h 15mIcelandair
Sun 12/1010:30KEF - LGW
Nonstop3h 10mIcelandair
Deal found 21/2$265
Fri 14/307:35LHR - KEF
Nonstop3h 20mBritish Airways
Thu 20/311:40KEF - LHR
Nonstop3h 15mBritish Airways
Deal found 20/2$274
Thu 20/307:00LGW - KEF
1 stop7h 15mMultiple Airlines
Fri 28/319:50KEF - LGW
Nonstop3h 15mMultiple Airlines
Deal found 20/2$318
Sat 22/306:25LTN - KEF
Nonstop3h 10mMultiple Airlines
Wed 26/306:00KEF - LTN
1 stop8h 50mMultiple Airlines
Deal found 21/2$325
Mon 17/1121:05LHR - KEF
2 stops13h 25mScandinavian Airlines
Mon 24/1115:10KEF - LHR
1 stop6h 25mScandinavian Airlines
Deal found 20/2$329
Wed 19/320:40STN - KEF
1 stop12h 05measyJet
Thu 27/309:25KEF - STN
1 stop6h 20measyJet
Deal found 20/2$343
Wed 2/420:25LHR - KEF
1 stop28h 45mLufthansa
Sat 5/400:25KEF - LHR
1 stop6h 15mLufthansa
Deal found 20/2$373

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 21 February 2025.

Fly from

London

Fly to

Keflavik Intl

Route

Depart

Return

Price

LondonReykjavik

LTN - KEF

LTNKEF

London Luton

Mon 21/4

18:15-20:20

Nonstop3h 05m

Reykjavik Keflavik Intl

Wed 30/4

09:00-13:00

Nonstop3h 00m

$163

LondonReykjavik

STN - KEF

STNKEF

London Stansted

Wed 23/4

11:40-13:45

Nonstop3h 05m

Reykjavik Keflavik Intl

Wed 30/4

06:40-10:40

Nonstop3h 00m

$168

LondonReykjavik

LGW - KEF

LGWKEF

London Gatwick

Tue 25/3

08:00-11:25

Nonstop3h 25m

Reykjavik Keflavik Intl

Fri 28/3

19:50-23:05

Nonstop3h 15m

$199

LondonReykjavik

STN - KEF

STNKEF

London Stansted

Wed 23/4

11:40-13:45

Nonstop3h 05m

Reykjavik Keflavik Intl

Wed 30/4

08:05-15:00

1 stop5h 55m

$254

LondonReykjavik

LHR - KEF

LHRKEF

London Heathrow

Wed 23/4

21:25-23:35

Nonstop3h 10m

Reykjavik Keflavik Intl

Wed 30/4

16:10-20:20

Nonstop3h 10m

$265

LondonReykjavik

LGW - KEF

LGWKEF

London Gatwick

Wed 23/4

15:40-17:55

Nonstop3h 15m

Reykjavik Keflavik Intl

Wed 30/4

10:30-14:40

Nonstop3h 10m

$268

LondonReykjavik

LHR - KEF

LHRKEF

London Heathrow

Fri 14/3

07:35-10:55

Nonstop3h 20m

Reykjavik Keflavik Intl

Thu 20/3

11:40-14:55

Nonstop3h 15m

$274

LondonReykjavik

LGW - KEF

LGWKEF

London Gatwick

Wed 19/3

06:50-14:15

1 stop7h 25m

Reykjavik Keflavik Intl

Thu 27/3

09:25-22:15

1 stop12h 50m

$310

LondonReykjavik

LTN - KEF

LTNKEF

London Luton

Sat 22/3

06:25-09:35

Nonstop3h 10m

Reykjavik Keflavik Intl

Wed 26/3

06:00-14:50

1 stop8h 50m

$325

LondonReykjavik

STN - KEF

STNKEF

London Stansted

Wed 19/3

20:40-08:45

1 stop12h 05m

Reykjavik Keflavik Intl

Thu 27/3

09:25-15:45

1 stop6h 20m

$343

Flights are sorted by cheapest return flights first.

Deals found on 20/2

Showing 1-10 of 48 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 14 February 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 21 February 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 morning, which can drop the price by up to 21% 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 21 February 2025.

The most flights from LON to KEF are scheduled on a Friday (19 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 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 21 February 2025.
Get a feel of what it's like to fly with Jet2, KLM and Norwegian 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
156 reviews
Check prices

Comfort

7.7

Overall

8.3

Crew

8.8

Food

7.2

Boarding

8.2

Entertainment

6.2

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.

Jet2
8.3
Very Good
156 reviews
Jet2
8.3
Very Good
156 reviews
Check prices

Comfort

7.7

Overall

8.3

Crew

8.8

Food

7.2

Boarding

8.2

Entertainment

6.2

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.

KLM
7.8
Good
1,331 reviews
Jet2
8.3
Very Good
156 reviews
Check prices

Comfort

7.7

Overall

8.3

Crew

8.8

Food

7.2

Boarding

8.2

Entertainment

6.2

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.

Norwegian
7.7
Good
230 reviews
Jet2
8.3
Very Good
156 reviews
Check prices

Comfort

7.7

Overall

8.3

Crew

8.8

Food

7.2

Boarding

8.2

Entertainment

6.2

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.

Finnair
7.6
Good
1,273 reviews
Jet2
8.3
Very Good
156 reviews
Check prices

Comfort

7.7

Overall

8.3

Crew

8.8

Food

7.2

Boarding

8.2

Entertainment

6.2

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.

Austrian Airlines
7.6
Good
773 reviews
Jet2
8.3
Very Good
156 reviews
Check prices

Comfort

7.7

Overall

8.3

Crew

8.8

Food

7.2

Boarding

8.2

Entertainment

6.2

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 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 $163. Other airlines that can offer you cheap pricing are PLAY, from $168, and Icelandair, from $265. 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 cheapet airlines for a one-way flight from London to Reykjavik Keflavik Intl Airport are easyJet ($88), PLAY ($108), and Jet2 ($124).

  • 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 (89%), Qatar Airways (89%), American Airlines (81%).

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

    On average you can expect to pay $1,248 for a flight from London to Reykjavik Keflavik Intl Airport. The cheapest flight overall is $152 while the most popular route, (London Heathrow - Reykjavik Keflavik Intl) is currently priced at $163.

  • 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.

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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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