LON - KEF

$177 Find Cheap Flights from London to Reykjavik – Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from London to Keflavik Intl departing on 31/10. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to Reykjavik Keflavik Intl Airport

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from London to Reykjavik, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from London to Reykjavik, as well as popular online travel agencies
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Everything you should know

Cheapest return fare
$350
Typical prices: $218-$291
easyJet
Sat 12/12Fri 18/12
LGW - KEF • Direct
Cheapest direct flights
$353
Typical prices: $145-$206
easyJet
Fri 6/11Mon 9/11
LTN - KEF • Direct
Advice from real travellers
AI-powered summary based on content written by KAYAK users. AI can make mistakes.
On Icelandair, pre-order in-flight food or bring snacks to avoid high meal costs.
From London, know the transit system to save time and avoid costly traffic delays.
User tips
User tips
User tips
User tips
Direct flights
You can fly direct with British Airways, Icelandair, and easyJet. Average duration is 3h 10m
Direct flights
Direct flights
+1
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Direct flights
Direct flights
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Top routes
Cheapest • 44% average savings
Most popular
Insights
Insights
Insights
Insights
Avoid delays
Most punctual • 92% on-time
Best time • Fewest delays
Insights
Insights
Insights
Insights
When to book
in advance
Our data shows that travellers who book at least 7 weeks in advance save around 26% compared to booking last minute.
Insights
Insights
Insights
Insights
When to travel
Cheapest • 45% price drop
Most popular
Good to know
Good to know
+1
+1
Good to know
Good to know
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Start a new search
KAYAK searches hundreds of sites at once to find you the best travel deals.
We hope you love your trip to Keflavik Intl!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from London to Keflavik Intl (LON-KEF)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for return flights from London to Keflavik Intl that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from London to Keflavik Intl

Sat, 12 Dec - Fri, 18 Dec
easyJet Logo
14:25 - 17:45
LGW
-
KEF
3h 20mdirect
easyJet Logo
19:15 - 22:25
KEF
-
LGW
3h 10mdirect
$350easyJet
Fri, 6 Nov - Mon, 9 Nov
easyJet Logo
15:40 - 18:55
LTN
-
KEF
3h 15mdirect
easyJet Logo
19:35 - 22:30
KEF
-
LTN
2h 55mdirect
$353easyJet
Thu, 10 Sep - Sat, 19 Sep
Scandinavian Airlines Logo
19:50 - 07:05
LHR
-
KEF
12h 15m
1 stop
Scandinavian Airlines Logo
18:35 - 09:35
KEF
-
LHR
14h 00m
1 stop
$353Scandinavian Airlines
Mon, 12 Oct - Mon, 19 Oct
easyJet Logo
14:20 - 16:40
LGW
-
KEF
3h 20mdirect
easyJet Logo
18:40 - 22:55
KEF
-
LGW
3h 15mdirect
$353easyJet
Thu, 26 Nov - Mon, 30 Nov
KLM Logo
06:30 - 13:45
LHR
-
KEF
7h 15m
1 stop
KLM Logo
14:45 - 10:45
KEF
-
LHR
20h 00m
1 stop
$354KLM
Sat, 12 Dec - Mon, 14 Dec
easyJet Logo
14:25 - 17:45
LGW
-
KEF
3h 20mdirect
easyJet Logo
12:00 - 15:10
KEF
-
LGW
3h 10mdirect
$354easyJet
Tue, 17 Nov - Sat, 21 Nov
KLM Logo
06:30 - 13:45
LHR
-
KEF
7h 15m
1 stop
KLM Logo
14:45 - 07:40
KEF
-
LHR
16h 55m
1 stop
$356KLM
Mon, 9 Nov - Sun, 15 Nov
Icelandair Logo
20:35 - 23:55
LHR
-
KEF
3h 20mdirect
Icelandair Logo
16:20 - 19:30
KEF
-
LHR
3h 10mdirect
$369Icelandair
Sat, 14 Nov - Tue, 17 Nov
British Airways Logo
11:45 - 15:05
LHR
-
KEF
3h 20mdirect
British Airways Logo
11:50 - 15:00
KEF
-
LHR
3h 10mdirect
$374British Airways
Fri, 14 Aug - Sat, 22 Aug
Scandinavian Airlines Logo
07:05 - 17:15
LHR
-
KEF
11h 10m
1 stop
Scandinavian Airlines Logo
17:10 - 09:20
KEF
-
LHR
15h 10m
1 stop
$377Scandinavian Airlines
Booking Insights

KAYAK's insights & trends for London to Keflavik Intl flights

Get data-powered insights and trends into flights from London to Keflavik Intl to help you find the cheapest flights, the best time to fly and much more.

How much is a return flight from London to Reykjavik Keflavik Intl Airport?

This analysis is based on the cheapest return trip price found on KAYAK in the last 12 months by searching for a flight from London to Reykjavik Keflavik Intl Airport departing in December.

What is the cheapest London to Reykjavik Keflavik Intl Airport flight route?

Data is based on round-trip flight searches on KAYAK over the past month.

The cheapest return flight from London to Reykjavik Keflavik Intl Airport costs $305 on the route between London Stansted Airport (STN) and Reykjavik Keflavik Intl Airport (KEF). Over the past month, this route was, on average, 44% cheaper than other London-Reykjavik Keflavik Intl Airport routes. The most popular route is between London Heathrow Airport (LHR) and Reykjavik Keflavik Intl Airport (KEF).

What is the cheapest month to fly from London to Reykjavik Keflavik Intl Airport?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from London to Reykjavik Keflavik Intl Airport, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from London to Reykjavik Keflavik Intl Airport is January, where tickets cost $71 (return) on average. On the other hand, the most expensive months are November and July, where the average cost of round-trip tickets is $271 and $203 respectively.

How far in advance should I book a flight from London to Reykjavik Keflavik Intl Airport?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from London to Reykjavik Keflavik Intl Airport, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from London to Reykjavik Keflavik Intl Airport, you should book around 7 weeks before departure, which saves you about 26% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 26 weeks before departure.

Good to know

Low seasonApril
Best time to beat the crowds (7% less expensive on average)
Most popular time to fly and prices are also 56% lower on average.

When to book flights from London to Keflavik Intl

Are your dates flexible? Find out the best times to travel from London to Keflavik Intl based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or returns with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

Flights from London to Keflavik Intl: the best tips from KAYAK users' own experiences

Insights shared by verified travellers who flew the route from London to Keflavik Intl 
Verified travelerFlew with Icelandair
LGW
-
KEF
Feb 2025
Pack snacks. Expensive restaurants and no in flight food unless ordered.
JonFlew with Icelandair
LGW
-
KEF
June 2024
Understanding the transit system. Something we had not done. So we took a cab that sat in a lot of traffic and cost us a lot of time and money when we could have taken the tube for very little cost and half time time

FAQs for booking London to Reykjavik flights

  • Are there public transport options from Keflavik Airport to the city centre?

    You can get coach transport via FlyBus and Airport Direct to the city centre from Keflavik Airport. Straeto Bus No.55 operates a local bus service to locations in Central Reykjavik as an additional option. The airport also has taxi ranks and a car hire centre if you prefer. Rideshare options like Lyft and Uber are currently unavailable in Iceland.

  • Where can I pick up some Icelandic krona at Keflavik Airport?

    Arion Bank operates a full-service branch with currency exchange facilities in the arrivals hall at Keflavik Airport. The bank also maintains cashpoint machines in the arrivals hall and near the luggage reclaim area for your convenience.

  • Are there any onsite hotels at Keflavik Airport?

    There are no onsite accommodations at Keflavik Airport, but you can locate a few hotels nearby to spend the night after your flight. Hotel Keflavik by Reykjavik Keflavik Airport, Diamond Suites by Reykjavik Keflavik Airport and Park Inn by Radisson Reykjavik Keflavik Airport are three establishments within 2 miles with airport shuttle transfer services.

  • What other cities are accessible from Keflavik Airport?

    The cities of Hafnarfjodur and Kopavogur are easily reachable by airport car hire from Keflavik Airport. If you’re seeking destinations using continuing flight services, there are routes to Glasgow and Edinburgh via Dublin and services to Bergen or Stavanger in Norway.

  • What is the cheapest flight from London to Reykjavik Keflavik Intl Airport?

    In the last 3 days, the lowest price for a flight from London to Reykjavik Keflavik Intl Airport was $177 for a one-way ticket and $350 for a return.

  • Which aircraft models fly most regularly from London to Reykjavik?

    The Boeing 777 is the aircraft model that flies most regularly on the London to Reykjavik flight route.

  • On which days can I fly direct from London to Reykjavik?

    There are direct flights from London to Reykjavik on a daily basis.

  • How does KAYAK find such low prices on flights from London to Reykjavik?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from London to Reykjavik.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from London to Reykjavik?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Reykjavik from London is likely to change within 7 days, so travellers know whether to wait or book now.

  • What is the Hacker Fare option on flights from London to Reykjavik?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly to Reykjavik with an airline and back to London with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from London to Reykjavik?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Reykjavik from London up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

KAYAK’s top tips for finding a cheap flight from London to Reykjavik Keflavik Intl Airport

  • Looking for a cheap flight? 25% of our users found flights on this route for $464 or less one-way.
  • Keflavik International Airport (KEF) is one of two Reykjavik airports serving the capital city and the primary gateway for foreign air travel to Iceland. It is located some 30 miles from Central Reykjavik and acts as a base of operations for national airline Icelandair as well as the low-budget carrier PLAY, both of whom provide flights from London to Reykjavik.
  • Departures to Reykjavik are available from the majority of London-area airports. PLAY and easyJet lead the way with direct flights from London Luton (LTN) and London Stansted (STN), while Icelandair operates directly from London Heathrow (LHR) and London Gatwick (LGW). Lufthansa offers one-stop flights via Frankfurt from London City Airport (LCY), but you can also get one-stop service from other airports with connections in Vienna, Milan and Warsaw.
  • For those who prefer to park and fly, all of the London metro airports provide a variety of parking options to suit your needs. In addition to short- and long-stay garages, you can also choose meet-and-greet, valet and premium parking, with designated spaces for Blue Badge holders, at affordable daily rates.
  • If you’re in the company of young children on flights to Reykjavik, you should know that each of the London airports provides family-related services and facilities to help make your airport experience a pleasant one. Baby-changing rooms are available throughout all terminals, and there are children’s play areas with an assortment of games and other amusements to keep them busy prior to boarding.
  • Take advantage of the Fast Track service at your point of departure to escape the long queues at security checkpoints. Fast Track passes for London Heathrow, London Gatwick, London Stansted, London Luton and London City Airport are available for purchase online, but you can also grab one at an airport kiosk at least 1h before departure.

Prefer to fly direct from London to Reykjavik Keflavik Intl?

 
Direct data is based off flight results for the next 60 days. Find direct flights from all airlines flying direct from London to Reykjavik Keflavik Intl.
Find which airlines fly direct from London to Reykjavik Keflavik Intl Airport, which days they fly and book direct flights.

Direct departures

London to Reykjavik Keflavik Intl

Monday

British Airways,Icelandair,easyJet

British Airways,Icelandair, +1 more

Tuesday

British Airways,Icelandair

British Airways,Icelandair

Wednesday

British Airways,Icelandair,easyJet

British Airways,Icelandair, +1 more

Thursday

British Airways,Icelandair

British Airways,Icelandair

Friday

British Airways,Icelandair,easyJet

British Airways,Icelandair, +1 more

Saturday

British Airways,Icelandair,easyJet

British Airways,Icelandair, +1 more

Sunday

British Airways,Icelandair,easyJet

British Airways,Icelandair, +1 more

See more direct flights

Direct returns

Reykjavik Keflavik Intl to London

Monday

British Airways,Icelandair,easyJet

British Airways,Icelandair, +1 more

Tuesday

British Airways,Icelandair

British Airways,Icelandair

Wednesday

British Airways,Icelandair,easyJet

British Airways,Icelandair, +1 more

Thursday

British Airways,Icelandair

British Airways,Icelandair

Friday

British Airways,Icelandair,easyJet

British Airways,Icelandair, +1 more

Saturday

British Airways,Icelandair,easyJet

British Airways,Icelandair, +1 more

Sunday

British Airways,Icelandair,easyJet

British Airways,Icelandair, +1 more

See more direct flights

Everything you need to know for your flight from London to Keflavik Intl

Information on your arrival and departure airports