LHR - KEF

£67 Find Cheap Flights from London Heathrow Airport to Reykjavik-Keflavik Airport

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Heathrow to Reykjavik departing on 8/11. 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

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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Flight Deals

Cheap Flights from Heathrow to Keflavik Intl (LHR-KEF)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for return flights from Heathrow 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 Heathrow to Reykjavik

mar., 9 dic. - vie., 12 dic.
Icelandair Logo
20:35 - 23:55LHR-KEF
3h 20mdirect
Icelandair Logo
07:35 - 10:50KEF-LHR
3h 15mdirect
£109Icelandair
Find Deal
mié., 10 dic. - lun., 15 dic.
Icelandair Logo
20:35 - 23:55LHR-KEF
3h 20mdirect
Icelandair Logo
07:35 - 10:50KEF-LHR
3h 15mdirect
£111Icelandair
Find Deal
sáb., 1 nov. - vie., 7 nov.
Icelandair Logo
20:35 - 23:55LHR-KEF
3h 20mdirect
Icelandair Logo
16:20 - 19:30KEF-LHR
3h 10mdirect
£112Icelandair
Find Deal
sáb., 15 nov. - sáb., 22 nov.
Icelandair Logo
20:35 - 23:55LHR-KEF
3h 20mdirect
Icelandair Logo
16:20 - 19:30KEF-LHR
3h 10mdirect
£113Icelandair
Find Deal
jue., 6 nov. - lun., 10 nov.
Icelandair Logo
20:35 - 23:55LHR-KEF
3h 20mdirect
Icelandair Logo
07:35 - 10:50KEF-LHR
3h 15mdirect
£114Icelandair
Find Deal
lun., 17 nov. - jue., 20 nov.
British Airways Logo
07:35 - 10:55LHR-KEF
3h 20mdirect
British Airways Logo
11:45 - 14:55KEF-LHR
3h 10mdirect
£120British Airways
Find Deal
jue., 6 nov. - lun., 10 nov.
 Logo
20:35 - 23:55LHR-KEF
3h 20mdirect
 Logo
13:00 - 09:35KEF-LHR
20h 35m1 stop
mié., 14 ene. - sáb., 24 ene.
British Airways Logo
07:30 - 10:50LHR-KEF
3h 20mdirect
British Airways Logo
11:55 - 15:05KEF-LHR
3h 10mdirect
£130British Airways
Find Deal
jue., 6 nov. - lun., 10 nov.
 Logo
20:35 - 23:55LHR-KEF
3h 20mdirect
 Logo
13:00 - 09:35KEF-LHR
20h 35m1 stop
sáb., 1 nov. - lun., 3 nov.
Scandinavian Airlines Logo
15:35 - 10:30LHR-KEF
18h 55m1 stop
Scandinavian Airlines Logo
13:00 - 21:35KEF-LHR
8h 35m1 stop
£140Scandinavian Airlines
Find Deal

Everything you should know

Our travellers' advice
AI-generated summary based on content written by travel experts
BA offers free cabin bags with economy fares.
Check-in online 24 hours before with Icelandair.
Expert advice
Expert advice
Expert advice
Expert advice
Top airlines
Icelandair
Cheapest • from £109 (return)
Scandinavian Airlines
Best reviews • 7.4 score
Airline reviews
Airline reviews
+1
+1
Airline reviews
Airline reviews
+1
When to book
3 weeks
in advance
Our data shows that travellers who book at least 3 weeks in advance save around 45% compared to booking last minute.
Insights
Insights
Insights
Insights
When to travel
January
Cheapest • 29% price drop
October
Most popular
Good to know
Good to know
+1
+1
Good to know
Good to know
+1
Cheapest return fare
£109
Typical prices: £170-272
Icelandair
mar. 9/12vie. 12/12
LHR - KEF • Direct
Cheapest one-way flight
£67
Typical prices: £77-106
Icelandair
sáb. 8/11
LHR - KEF • Direct
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 Reykjavik!
Expert advice

Expert advice for your flight from Heathrow to Reykjavik

 
Snippets provided in this section are AI-generated based on a summarisation of KAYAK-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
KAYAK teamed up with top travel experts to share the best tips for your journey.
Airlines
Icelandair

Icelandair's Saga Premium offers 40-42 inch seat pitch and free Wi-Fi for two devices.


Check-in online 24 hours before departure via Icelandair's app or website for convenience.

Read more about Icelandairby Stefanie Waldek
British Airways

BA offers free cabin bags with economy fares, unlike many European budget airlines.


BA's economy seats are ergonomic leather with 79 cm legroom, more comfortable than budget airlines.

Our travel experts
Stefanie Waldek

Stefanie Waldek

Expert on Icelandair

Stefanie Waldek

Stefanie Waldek

Stefanie Waldek is a freelance space, travel, and design writer based in Saratoga Springs, NY. Her words have appeared in Space.com, Travel + Leisure, Condé Nast Traveler, Architectural Digest, and House Beautiful, among other publications. An expert in aviation and expedition cruising, Stefanie is frequently up in the air or out at sea, likely en route to Antarctica or the Arctic.

Read more
Duncan Madden

Duncan Madden

Expert on British Airways

Duncan Madden

Duncan Madden

Duncan is a freelance travel writer, copywriter and book author in constant search of travel stories and the perpetual sensation of being on holiday. He’s never happier than when on a dusty trail in search of empty waves or ducking under the piste tape in search of snowbound solitude. British born, living in Germany, but happiest heading for the horizon. His first book, Found in Translation, explores the etymologies and stories of country names around the world and is out now.

Read more
Booking Insights

KAYAK's insights & trends for Heathrow to Reykjavik flights

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

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

What’s the cheapest day of the week to fly from London Heathrow Airport to Reykjavik-Keflavik Airport?

The average price of all round-trip flights from London Heathrow Airport to Reykjavik Keflavik Intl Airport clicked on KAYAK for each day over the last 12 months.

Your flight ticket price will generally be cheaper if you fly to Reykjavik-Keflavik Airport on a Thursday and more expensive on a Saturday. On your return trip to London Heathrow Airport, you should consider flying back on a Friday, and avoid Saturdays for better deals.

What is the cheapest month to fly from London Heathrow Airport 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 Heathrow Airport 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 Heathrow Airport to Reykjavik Keflavik Intl Airport is January, where tickets cost £148 (return) on average. On the other hand, the most expensive months are July and August, where the average cost of round-trip tickets is £299 and £292 respectively.

Can I save money by flying with a stopover from London Heathrow Airport to Reykjavik Keflavik Intl Airport?

The average return price for all direct flights, flights with one stopover, and flights with two stopovers for the route found by users searching on KAYAK in the last 2 weeks.

No, with an average price for the route of £238, prices are generally cheapest when you fly direct.

How far in advance should I book a flight from London Heathrow Airport 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 Heathrow Airport 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 Heathrow Airport to Reykjavik Keflavik Intl Airport, you should book around 3 weeks before departure, which saves you about 45% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 24 weeks before departure.

Good to know - Cheap tickets from London Heathrow Airport to Reykjavik-Keflavik Airport

Low seasonApril
Cheapest flight£67
Best time to beat the crowds (9% less expensive on average)
Most popular time to fly (11% more expensive on average)
Flight from London Heathrow Airport to Reykjavik-Keflavik Airport

When to book flights from Heathrow to Reykjavik

Are your dates flexible? Find out the best times to travel from Heathrow to Reykjavik 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.

FAQs for booking London Heathrow Airport to Reykjavik-Keflavik Airport flights

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

    In the last 3 days, the lowest price for a flight from London Heathrow Airport to Reykjavik Keflavik Intl Airport was £91 for a one-way ticket and £148 for a return.

  • Which airports will I be using when flying from London Heathrow Airport to Reykjavik-Keflavik Airport?

    London Heathrow Airport and Reykjavik-Keflavik Airport are both served by 1 main airport. You will leave London Heathrow Airport from London Heathrow and will be arriving at Reykjavik Keflavik Intl.

  • Which airlines offer Wi-Fi service onboard planes from London Heathrow Airport to Reykjavik-Keflavik Airport?

    Air France, Virgin Atlantic, and KLM offer inflight Wi-Fi service on the London Heathrow Airport to Reykjavik-Keflavik Airport flight route.

  • Which aircraft models fly most regularly from London Heathrow Airport to Reykjavik-Keflavik Airport?

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

  • Which airline alliances offer flights from London Heathrow Airport to Reykjavik-Keflavik Airport?

    oneworld, and Star Alliance are the airline alliances operating flights between London Heathrow Airport and Reykjavik-Keflavik Airport, with oneworld being the most commonly used for this route.

  • On which days can I fly direct from London Heathrow Airport to Reykjavik-Keflavik Airport?

    There are direct flights from London Heathrow Airport to Reykjavik-Keflavik Airport on a daily basis.

  • Which is the best airline for flights from London to Reykjavik, Scandinavian Airlines or Icelandair?

    The two airlines most popular with KAYAK users for flights from London to Reykjavik are Scandinavian Airlines and Icelandair. With an average price for the route of £271 and an overall rating of 7.4, Scandinavian Airlines is the most popular choice. Icelandair is also a great choice for the route, with an average price of £230 and an overall rating of 7.0.

  • How does KAYAK find such low prices on flights from London Heathrow Airport to Reykjavik-Keflavik Airport?

    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 Heathrow Airport to Reykjavik-Keflavik Airport.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Reykjavik-Keflavik Airport from London Heathrow Airport 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 Heathrow Airport to Reykjavik-Keflavik Airport?

    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-Keflavik Airport with an airline and back to London Heathrow Airport with another airline.

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

    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-Keflavik Airport from London Heathrow Airport 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 Heathrow Airport to Reykjavik Keflavik Intl Airport

  • Looking for a cheap flight from Reykjavik-Keflavik Airport to London Heathrow Airport? 25% of our users found flights on this route for £452 or less one-way and £351 or less round-trip.

Prefer to fly direct from London Heathrow Airport to Reykjavik-Keflavik Airport?

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

Direct departures

London Heathrow to Reykjavik Keflavik Intl

Monday

British Airways, Icelandair

British Airways, Icelandair

Tuesday

British Airways, Icelandair

British Airways, Icelandair

Wednesday

British Airways, Icelandair

British Airways, Icelandair

Thursday

British Airways, Icelandair

British Airways, Icelandair

Friday

British Airways, Icelandair

British Airways, Icelandair

Saturday

British Airways, Icelandair

British Airways, Icelandair

Sunday

British Airways, Icelandair

British Airways, Icelandair

See more direct flights

Direct returns

Reykjavik Keflavik Intl to London Heathrow

Monday

British Airways, Icelandair

British Airways, Icelandair

Tuesday

British Airways, Icelandair

British Airways, Icelandair

Wednesday

British Airways, Icelandair

British Airways, Icelandair

Thursday

British Airways, Icelandair

British Airways, Icelandair

Friday

British Airways, Icelandair

British Airways, Icelandair

Saturday

British Airways, Icelandair

British Airways, Icelandair

Sunday

British Airways, Icelandair

British Airways, Icelandair

See more direct flights

Reviews of the top 4 airlines flying from Heathrow to Reykjavik

 
See real verified KAYAK customer reviews for airlines flying from London to Reykjavik. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Heathrow to Reykjavik? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.4
Scandinavian AirlinesOverall score based on 1484 reviews
6.7Entertainment
7.7Boarding
7.3Comfort
8.0Crew
6.7Food
Airline reviews

I didn't book special seats but the ones I got were great. The food wasn't good but on par with other airlines

10.0 ExcellentMarcia, Aug 2025WAW - CPH
Read more Scandinavian Airlines reviews

I didn't book special seats but the ones I got were great. The food wasn't good but on par with other airlines

I paid extra for our seats on the way coming back from Stockholm to New York the seats were changed and it was totally waved. This happened to three more passengers.

I do not have a problem with the airline but both my two suitcases that were supposed to go from Hawaii to Copenhagen didn’t get on the plane in Seattle. I arrive on Monday the 21st at 10:30 in the morning. I did not get my two suitcases before Friday late afternoon that is unacceptable.

Online check in of SAS is very poor. Even the kiosks at London had system problems. Either it would print boarding tickets or luggage tags. Many other customers had problems . SAS staff was good and helped.

great crew, professional, funny, and great service. good condition plane too! great experience

The seats were really close together and hard to get comfortable. The food was okay. The cheese was amazing! I loved the cold towels they gave us.

When my flight was changed from delays they were quick to rebook me.

I really enjoyed how clean and big the aircraft was, as well as how friendly the crew was.

The seats have no legroom. I was bruised on my knees for having them pressed up against the seat in front of me. Then I got food poisoning from the special meal I ordered. Pretty horrible all around.

Painful seats for a 10 hour flight. There’s a very hard flat board in the seat that goes up to half the back and after 7 hours it gets impossible to find the right position to avoid the pain.

Handling our luggage was the biggest issue - they lost it and we got it almost 3 days later. Really threw off the beginning of our trip and we really had to change our itinerary accordingly.

Seat was hard and uncomfortable and the temperature too warm and uncomfortable.

No meals included on this long international flight. Most airlines will offer you a meal when flying internationally. Not Icelandair. Your included choices are water and coffee. Poor customer service. The airport was also very confusing.

I flew Icelandair with my partner from Prague to the US. Overall flight time was around 12 hours, with a connecting flight in Iceland. I have flown internationally for years and with multiple airlines. Every airline serves you a meal when traveling internationally. Icelandair not only did not offer an inclusive meal, but they did not even offer a snack. The only things they served over our long flight was water and coffee. Ridiculous! Never again will I fly with Icelandair.

Best smelling onboard bathrooms ever. Even after use the whole flight. Biggest overhead bins. Most legroom in economy class. Great Icelandiic music. Really nice staff. Icelandair is awesome! (Don’t fly Air Canada! During the strike they lied about no flights available (I booked this flight myself) and hid the process to get money back on their website by obscuring menu titles, then made it difficult and time consuming to fill out. I’m Canadian. Don’t trust Air Canada!

It was good. The air plane is clean and staff were friendly.

The crew was wonderful at check in, the gate and on board. Felt the luggage had more room than the passengers. The seats were smaller than most domestic U.S. airlines. I'm only 5'2" and I had little legroom. There were only 2 bathrooms in coach. Needed more. The flight was very smooth but not the most comfortable.

There was no lounge at Boston for us to use. Typically flying first class overseas comes with lounge privileges. The seats did not recline even a little. My headset only worked on one side. I felt like I was flying on Ryan Air, not Icelandic Air.

Boarded with no problems. Sat on the tarmac for an hour before taking off. We were the last ones on our connecting flight. Didn't think we were going to make it. Our flight to Iceland was similarly delayed. When we've flown other airlines, pilots have tried to make up time while in the air. This doesn't seem to be something that Icelandair does. We made all of our flights, but it was stressful and we didn't think it was going to happen based on the time we arrived.

The flight was delayed and as a consequence we missed our connecting flight. Were stuck for another 6h in Reykyavik. Appreciated that we got a generous food voucher at least. Would have liked to see more information upon arrival including a person waiting for connecting flight travellers and informing already that we will not catch the flight and directing us to the office dealing with the matter; unfortunately that didnt happen and we hence first needed to find out whether flight had indeed left already and then locate the adequate office to help us with booking us on the next connecting flight. Also my suitcase broke and it is not clear whether it is happened on the leg with Iceland Air from DC to Reykyavik or on the leg with Lufthansa from Reykyavik to Frankfurt. Finally, understood that it is a low cost company but at least provision of earplugs for free would have been nice, instead of making them buy.

Excellent experience in every way, from ground crew helpfulness, boarding experience, inflight service all the way to modern equipment. My new favorite airline. I wish I could fly with them more often.

For a no frills flight this was surprising comfortable. The crew were helpful and nice. The flight was smooth and there were no delays or issues which I haven't had on a flight in a long time. I would definitely fly with them again.

The flight was canceled by play less than 24 hours prior to the trip, and I was unable to re-book. Have not received a refund for the trip despite filling out the appropriate form.

Was was cancelled less than 24 hours prior to my scheduled departure by PLAY. Despite my attempts to rebook my travel, I encountered significant cost increases that rendered this option unfeasible. In accordance with EC Regulation 261/2004, airlines are required to issue a full refund for cancelled flights within seven days of the scheduled departure if a refund is requested instead of rebooking on another flight. It has been three weeks without a refund or an answer

Have not recieved full refund for my flight, which was cancelled less than 24 hours prior to my scheduled departure by PLAY. Despite my attempts to rebook my travel, I encountered significant cost increases that rendered this option unfeasible. In accordance with EC Regulation 261/2004, airlines are required to issue a full refund for cancelled flights within seven days of the scheduled departure if a refund is requested instead of rebooking on another flight. This request was completed three weeks ago an answer or refund.

It would have been better to have USB charging ports available on the longer haul Flight that one of 2 hours

Was very good Staff was great. No tv monitors tho. So long flights make it longer

The worst. No free beverages. No entertainment on an overseas flight. Not enough space. Never again.

Play is affordable! Only way we fly from the states to Europe. Left late but arrived on time

have screens on backs of chairs...offer free snacks and water

what would have been better would have been that my booking not been canceled by the system and had I been informed that the booking had been cancelled by the system I could have immediately rebooked and not found out that there was an issue when I was told by the system that I needed to book in. It would have also been good if either the booking agent or BA or anyone been in anyway useful. In the end I had to rebook a flight at an additional cost of $350. So no I'm not impressed by BA any of the other parties involved.

Boarding was poor. Why are first class passengers not boarded first?! Bus to the plane and then held on a packed bus because we were waiting for people on the bus before to finish boarding. Seat belt on the fist clas seat is very uncomfortable, cutting into your neck. Other than that crew, seating and food were all excellent. Entertainment, as usual - rubbish.

The flight was fine but no food available apart from snacks like Pringles and olives which was a problem for me as I hadn’t eaten anything that day. But the worst problem was BA left 24 suitcases in Heathrow as the flight was too full but didn’t tell anyone. So we waited for ages at Toulouse airport with no information and finally found out from the one member of staff in the baggage collection area who explained what had happened and apologised for no announcement being made but said that was their policy. Then BA contacted me today to say they have found my luggage and can deliver it to me on Tuesday - half way through my holiday!!!! So a friend has had to make a four hour round trip in his car to go and collect the luggage from the airport so we can get it today. A TOTAL SHAMBLES AND DISREGARD BY BA FOR THEIR PASSENGERS’ BEST INTERESTS.

Much much better than my previous times on British Airways the food was spot-on and the service was really genuine and attentive

Flight was delayed but my previous flight was as well so It worked to my advantage. This was my first time in first class. I don't think they ever stopped feeding us. The seating area was very spacious and comfortable. The attendants were wonderful, warm, friendly and very personable.

First time on BA but will fly with them from now on! Everything about the flight was superb!!!

Horrible experience. They broke the handle of my checked in suitcase and then refused pay for damages

We had a pretty good experience. Enjoyed both the flights. Crew was very good and helpful.

The flight was very delayed in taking off - which was out of control of the crew, but then the pilot worked hard so we only arrived about 30 minutes late. Everyone was very friendly and accommodating!

They issued seat assignments and sat my 2 year-old in the row behind me, separate from me and my daughter. Communication/ customer service was terrible. They told me to change it in London, then in London, they told me to talk to the cabin crew, then a supervisor came and stuck us in the back of the plane when we were supposed to be in row 25. Overall, they need to really work on their customer service. Additionally the food was terrible and they ran out of meals and didn’t have any kid options. To top it off there was no in-flight entertainment for the first hour of the trip.

Everything you need to know for your flight from Heathrow to Reykjavik

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