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Cheap flights from London to Reykjavik Keflavik Intl Airport from $108

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 12/10. Fares are subject to change and may not be available on all flights or dates of travel.
LON — KEF
23 Apr — 30 Apr1
1 adult

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 18 April 2025.

Round-trip from

$196

One-way from

$108

Popular in

July

Cheapest in

January

Average price

$339

Good round-trip deal

$230 or less

Good one-way deal

$94 or less
PLAY
  • PLAY
  • 6/5-11/5
  • Nonstop
  • 6h 05m total
  • London to Reykjavik
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PLAY
  • PLAY
  • 12/10
  • Nonstop
  • 3h 05m total
  • London to Reykjavik
Search Deals
Highest demand for flights based on searches. 29% potential increase in price ($193 potential increase over avg. return price).
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Cheapest flight prices on average. 5% potential price decrease ($25 potential savings vs. average return price).
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Average for round-trip flights in April 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 18 April 2025.

Tue 6/511:40STN - KEF
Nonstop3h 05mPLAY
Sun 11/506:40KEF - STN
Nonstop3h 00mPLAY
Deal found 17/4$196
Sun 23/1106:00LTN - KEF
Nonstop3h 10measyJet
Wed 3/1219:35KEF - LTN
Nonstop2h 55measyJet
Deal found 17/4$198
Mon 17/1107:40LGW - KEF
Nonstop3h 25measyJet
Fri 28/1112:20KEF - LGW
Nonstop3h 15measyJet
Deal found 17/4$199
Mon 17/1107:35LHR - KEF
Nonstop3h 20mBritish Airways
Fri 28/1118:45KEF - LHR
Nonstop3h 00mBritish Airways
Deal found 17/4$248
Sun 20/407:25STN - KEF
Nonstop2h 50mJet2
Wed 23/411:15KEF - STN
Nonstop2h 45mJet2
Deal found 18/4$248
Wed 7/521:05STN - KEF
1 stop13h 00mMultiple Airlines
Wed 21/506:40KEF - STN
Nonstop3h 00mMultiple Airlines
Deal found 18/4$273
Wed 7/519:25LTN - KEF
1 stop24h 05mMultiple Airlines
Wed 21/509:00KEF - LTN
Nonstop3h 00mMultiple Airlines
Deal found 18/4$279
Sun 5/1015:40LGW - KEF
Nonstop3h 15mIcelandair
Sat 18/1010:30KEF - LGW
Nonstop3h 10mIcelandair
Deal found 17/4$301
Wed 3/1220:40LHR - KEF
Nonstop3h 15mIcelandair
Sat 6/1207:35KEF - LHR
Nonstop3h 15mIcelandair
Deal found 17/4$308
Wed 14/520:20LGW - KEF
1 stop13h 45mMultiple Airlines
Tue 20/500:15KEF - LGW
1 stop6h 20mMultiple Airlines
Deal found 18/4$327
Wed 7/507:55LHR - KEF
Nonstop3h 05mMultiple Airlines
Wed 21/511:05KEF - LHR
1 stop6h 45mMultiple Airlines
Deal found 18/4$328
Tue 21/1019:50LHR - KEF
1 stop15h 25mScandinavian Airlines
Fri 24/1007:55KEF - LHR
1 stop9h 55mScandinavian Airlines
Deal found 17/4$330

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 647,157 searches. Data last updated 18 April 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

STN - KEF

STNKEF

London Stansted

Tue 6/5

11:40-13:45

Nonstop3h 05m

Reykjavik Keflavik Intl

Sun 11/5

06:40-10:40

Nonstop3h 00m

$196

LondonReykjavik

LTN - KEF

LTNKEF

London Luton

Sun 1/6

06:50-08:55

Nonstop3h 05m

Reykjavik Keflavik Intl

Wed 4/6

09:00-13:00

Nonstop3h 00m

$232

LondonReykjavik

STN - KEF

STNKEF

London Stansted

Wed 7/5

21:05-09:05

1 stop13h 00m

Reykjavik Keflavik Intl

Wed 21/5

06:40-10:40

Nonstop3h 00m

$273

LondonReykjavik

LTN - KEF

LTNKEF

London Luton

Wed 7/5

19:25-18:30

1 stop24h 05m

Reykjavik Keflavik Intl

Wed 21/5

09:00-13:00

Nonstop3h 00m

$279

LondonReykjavik

LGW - KEF

LGWKEF

London Gatwick

Sun 5/10

15:40-17:55

Nonstop3h 15m

Reykjavik Keflavik Intl

Sat 18/10

10:30-14:40

Nonstop3h 10m

$301

LondonReykjavik

LHR - KEF

LHRKEF

London Heathrow

Fri 2/5

07:35-09:40

Nonstop3h 05m

Reykjavik Keflavik Intl

Thu 8/5

10:30-14:40

Nonstop3h 10m

$306

LondonReykjavik

LHR - KEF

LHRKEF

London Heathrow

Wed 7/5

21:25-23:35

Nonstop3h 10m

Reykjavik Keflavik Intl

Wed 21/5

16:10-20:20

Nonstop3h 10m

$314

LondonReykjavik

LGW - KEF

LGWKEF

London Gatwick

Wed 14/5

20:20-09:05

1 stop13h 45m

Reykjavik Keflavik Intl

Tue 20/5

00:15-07:35

1 stop6h 20m

$327

LondonReykjavik

LHR - KEF

LHRKEF

London Heathrow

Wed 7/5

07:55-10:00

Nonstop3h 05m

Reykjavik Keflavik Intl

Wed 21/5

11:05-18:50

1 stop6h 45m

$328

LondonReykjavik

LTN - KEF

LTNKEF

London Luton

Wed 7/5

19:25-18:30

1 stop24h 05m

Reykjavik Keflavik Intl

Wed 21/5

23:40-19:05

1 stop18h 25m

$338

Flights are sorted by cheapest return flights first.

Deals found on 17/4

Showing 1-10 of 49 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 11 April 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 18 April 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 26% versus a flight at midday.

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 18 April 2025.

The most flights from LON to KEF are scheduled on a Wednesday (16 on average). You will have fewer flight options on Friday, 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 18 April 2025.
Get a feel of what it's like to fly with KLM, Norwegian and Austrian Airlines 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.
KLM
7.8
Good
1,329 reviews
Check prices

Boarding

7.8

Overall

7.8

Food

7.3

Crew

8.4

Comfort

7.7

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
KLM
7.8
Good
1,329 reviews
KLM
7.8
Good
1,329 reviews
Check prices

Boarding

7.8

Overall

7.8

Food

7.3

Crew

8.4

Comfort

7.7

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
Norwegian
7.8
Good
226 reviews
KLM
7.8
Good
1,329 reviews
Check prices

Boarding

7.8

Overall

7.8

Food

7.3

Crew

8.4

Comfort

7.7

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
Austrian Airlines
7.6
Good
775 reviews
KLM
7.8
Good
1,329 reviews
Check prices

Boarding

7.8

Overall

7.8

Food

7.3

Crew

8.4

Comfort

7.7

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
SWISS
7.5
Good
1,581 reviews
KLM
7.8
Good
1,329 reviews
Check prices

Boarding

7.8

Overall

7.8

Food

7.3

Crew

8.4

Comfort

7.7

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
Turkish Airlines
7.3
Good
3,769 reviews
KLM
7.8
Good
1,329 reviews
Check prices

Boarding

7.8

Overall

7.8

Food

7.3

Crew

8.4

Comfort

7.7

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.

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 $196. Other airlines that can offer you cheap pricing are easyJet, from $232, and Icelandair, from $301. Users have found that PLAY is 33% 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 PLAY ($108), easyJet ($110), and British Airways ($159).

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

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

    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: Qatar Airways (97%), Qantas Airways (90%), British Airways (90%).

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

    On average you can expect to pay $302 for a flight from London to Reykjavik Keflavik Intl Airport. The cheapest flight overall is $136 while the most popular route, (London Luton - Reykjavik Keflavik Intl) is currently priced at $143.

  • 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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Keflavik

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Top 2 airlines flying from London to Keflavik Intl

Discover the top 2 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 647,157 searches. Data last updated 18 April 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$260Average$413FlexibilityNo cancel feeOn-time70%
Search British Airways flights
IcelandairCheapest$283Average$393FlexibilityNo cancel feeOn-time76%
Search Icelandair flights

Fly with Cheapflights

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How does Cheapflights help users find flights from London to Keflavik Intl?

Cheapflights makes it easy to find London to Keflavik Intl flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from London to Keflavik Intl?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from London to Keflavik Intl for you. Better yet — we are completely free to use.

Can Cheapflights find flights from London to Keflavik Intl with no change fees?

Yes! Cheapflights helps users easily find flights from London to Keflavik Intl with no change fees.

Can Cheapflights notify me if prices for flights from London to Keflavik Intl become cheaper?

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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