LHR - KEF

£118 Find Cheap Flights from London Heathrow Airport to Reykjavik-Keflavik Airport

This is the cheapest return flight price found by a KAYAK user in the last 72 hours by searching for a flight from Heathrow to Reykjavik departing on 20/11. 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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Flights 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

jue., 20 nov. - sáb., 29 nov.
Icelandair Logo
20:40 - 23:55LHR-KEF
3h 15mdirect
Icelandair Logo
16:20 - 19:30KEF-LHR
3h 10mdirect
£118Icelandair
Find Deal
jue., 20 nov. - dom., 30 nov.
Icelandair Logo
20:40 - 23:55LHR-KEF
3h 15mdirect
Icelandair Logo
07:35 - 10:50KEF-LHR
3h 15mdirect
£119Icelandair
Find Deal
sáb., 22 nov. - vie., 28 nov.
British Airways Logo
07:35 - 10:55LHR-KEF
3h 20mdirect
British Airways Logo
11:45 - 15:00KEF-LHR
3h 15mdirect
£122British Airways
Find Deal
dom., 30 nov. - sáb., 6 dic.
British Airways Logo
07:20 - 10:40LHR-KEF
3h 20mdirect
British Airways Logo
11:50 - 15:05KEF-LHR
3h 15mdirect
£123British Airways
Find Deal
lun., 24 nov. - vie., 28 nov.
British Airways Logo
07:35 - 10:55LHR-KEF
3h 20mdirect
British Airways Logo
18:45 - 21:45KEF-LHR
3h 00mdirect
£124British Airways
Find Deal
mié., 8 oct. - dom., 12 oct.
Scandinavian Airlines Logo
19:50 - 10:15LHR-KEF
15h 25m1 stop
Scandinavian Airlines Logo
16:10 - 09:35KEF-LHR
16h 25m1 stop
£135Scandinavian Airlines
Find Deal
mar., 23 sep. - sáb., 4 oct.
Scandinavian Airlines Logo
19:50 - 10:15LHR-KEF
15h 25m1 stop
Scandinavian Airlines Logo
17:10 - 09:20KEF-LHR
15h 10m1 stop
£146Scandinavian Airlines
Find Deal
sáb., 22 nov. - vie., 28 nov.
 Logo
15:35 - 10:30LHR-KEF
18h 55m1 stop
 Logo
18:45 - 21:45KEF-LHR
3h 00mdirect
dom., 23 nov. - lun., 24 nov.
 Logo
13:45 - 17:10LHR-KEF
3h 25mdirect
 Logo
13:00 - 18:50KEF-LHR
5h 50m1 stop
mié., 25 jun. - sáb., 28 jun.
Lufthansa Logo
15:30 - 08:20LHR-KEF
17h 50m2 stops
Lufthansa Logo
00:25 - 07:40KEF-LHR
6h 15m1 stop
£242Lufthansa
Find Deal
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
Useful Info

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.

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 £144 (return) on average. On the other hand, the most expensive months are July and August, where the average cost of round-trip tickets is £298 and £263 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.

Yes, flying with a stopover may cost you more time, but you can also save money on the route, with a 1 stop stopover the cheapest option at £255 on average.

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. For the absolute cheapest price, our data suggests you should book 15 weeks before departure.


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

Low seasonApril
High seasonOctober
Cheapest flight£67
Best time to beat the crowds but there is an average 8% increase in price.
Most popular time to fly (7% 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 £160 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, KLM, and Virgin Atlantic 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 £270 and an overall rating of 7.3, Scandinavian Airlines is the most popular choice. Icelandair is also a great choice for the route, with an average price of £221 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 £194 or less one-way and £369 or less round-trip.

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

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

American Airlines, British Airways, Icelandair, +5 more

American Airlines, British Airways, +6 more

Tuesday

Icelandair, TAP AIR PORTUGAL, Turkish Airlines

Icelandair, TAP AIR PORTUGAL, +1 more

Wednesday

American Airlines, British Airways, Icelandair, +5 more

American Airlines, British Airways, +6 more

Thursday

American Airlines, British Airways, Icelandair, +5 more

American Airlines, British Airways, +6 more

Friday

American Airlines, British Airways, Icelandair, +5 more

American Airlines, British Airways, +6 more

Saturday

American Airlines, British Airways, Icelandair, +5 more

American Airlines, British Airways, +6 more

Sunday

American Airlines, British Airways, Icelandair, +5 more

American Airlines, British Airways, +6 more

See more direct flights

Direct returns

Reykjavik Keflavik Intl to London Heathrow

Monday

American Airlines, British Airways, Icelandair, +5 more

American Airlines, British Airways, +6 more

Tuesday

Icelandair, TAP AIR PORTUGAL, Turkish Airlines

Icelandair, TAP AIR PORTUGAL, +1 more

Wednesday

American Airlines, British Airways, Icelandair, +5 more

American Airlines, British Airways, +6 more

Thursday

American Airlines, British Airways, Icelandair, +5 more

American Airlines, British Airways, +6 more

Friday

American Airlines, British Airways, Icelandair, +5 more

American Airlines, British Airways, +6 more

Saturday

American Airlines, British Airways, Icelandair, +5 more

American Airlines, British Airways, +6 more

Sunday

American Airlines, British Airways, Icelandair, +5 more

American Airlines, British Airways, +6 more

See more direct flights
See more direct flights

Top 4 airlines serving 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.
7.3
Scandinavian AirlinesOverall score based on 1387 reviews
6.5Entertainment
7.6Boarding
7.2Comfort
6.6Food
7.9Crew
Airline reviews

Cancelled my flight. Only option had a layover in Italy. No compensation for the 4 extra hours of travel time. The travel agency, cheapflightfares, blamed Scandinavian airlines and said there was nothing they could do. Scandinavian airlines said since it was booked through a travel agency there was nothing they could do. The entire thing was incredibly frustrating. Never booking through kayak or with Scandinavian again.

2.0 MediocreAnonymous, May 2025BOS - CPH
Read more Scandinavian Airlines reviews

Cancelled my flight. Only option had a layover in Italy. No compensation for the 4 extra hours of travel time. The travel agency, cheapflightfares, blamed Scandinavian airlines and said there was nothing they could do. Scandinavian airlines said since it was booked through a travel agency there was nothing they could do. The entire thing was incredibly frustrating. Never booking through kayak or with Scandinavian again.

Sat on runway for 1.5 hours waiting on winds to change so we could take off. The pilots did an amazing job getting up in the air when they had permission to take off.

They cancelled our flight home less than 24 hours before it was supposed to leave. It partially ruined our last day because I was on the phone trying to get 5 people home and the stress that it causes. We still arrived at the airport with no definite flight plans. The actual flight was good but my kids really misses the kids meals I had ordered for them which obviously didn’t make it to the new flight.

Very helpful in getting us off the plane first to make a tight connection.

Very unfriendly approach to me when you rescheduled my return flight due to your delay. No help to address my health concerns because I am diabetics and had orthopedic problems. No clear explanation where to clear customs. I had poor customer service

Boarding was chaotic and the flight left late but arrived at a decent time. This may have been because of the sxsw festival that was going on.

I was pleasantly surprised as it was my first time flying with them. The seats were comfortable with more legroom than usual. The service was great too! The entertainment was good but could use a few more new movies.

Nothing special or negative. Pretty typical flight…no freebies in the way of food etcetera, but none were expected.

You cost me my time and did not compensate properly. Gfy.

Seat was lumpier than I’ve ever remembered it to be although comfortable when tilted back. I don’t recall being that hungry after being served food from SAS before. Flight attendant on the second flight to Aalborg seemed to be having a bad day.

Seats in premier saga class were narrow and hard. Very uncomfortable for a 5-hour flight.

I had an exit row and so was Comfortable on the long flight.

The seats on this airline are sooo small, even for a petite person. I felt like the seat tilted forward and I was fighting to stay in it. The lavatory is horribly small, with a wet floor because the sink is so small you can't help but splash the water all over when washing up.

For an economy lite experience, it's by far the best I've had. New planes, clean, great destinations. Very happy to have discovered Iceland Air.

Smooth efficient airline. Think they should have their own bag drop as the queue took 30mins to bmscan and drop

No food was served for 7.5 hrs flight. When our flight changed to other airlines due to wether issue, our seats booked with no checked in luggage when I already payed for. We end up to pay 90 euro per suitcase.

The flights were in time and the bags arrived. well done

Only serving 2 small coffee in 7.5 hrs flight with very limited choice to order food.

Booked with Kayak… Economy Class it said. I had filtered for 1 checked bag. Get to boarding and it says I have Economy Light w/ no checked bags. $136 each way for baggage now. Do not use smartfares.com. Very misleading and a terrible start to this trip.

Overall good. I was surprised how easy it was to get from plain to plain in such a short time. Food choices were not so great and quite expensive. Entertainment was ok. Flights were smooth.

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

Boarding and crew was great. Flight was cold, need layers. Deplaning was hard. We had to take stairs off the plane and I was separated from my travel companion because we were not seated together and they would not let him wait for me to get off so we were forced onto different shuttles.

I didn’t have food and they don’t include entertainment. Not much leg room at all. Staff were great.

Better synchronizing the boarding processes. The audio announcements, the personnel and the digital signage were not saying the same thing. All confusion.

Business class was nothing more than Economy with middle seat empty. Uncomfortable seat and leg room. A mom behind me had a 18 month/2 yr old on her lap, who had his feet on my back all the time- while middle seat remained empty. Pretty much not worth the fare. Very disappointed.

The first class seats were unusable, mine at the end of the flight, my husband's in the middle of the flight, and the one next to me was unusable either, they had to move the person to another seat.

charging port did not work, no entertainment system. Other than that the flight was good and safe.

Last minute gate change. Didn’t put our TSA global on our trip even though we asked multiple times to confirm. Did not help with food when could not eat what was served.

When Stephen arrived with our wheel chairs - we were in excellent hands! He was such great help with getting our rental car and then reporting our missing luggage. When you are exhausted from traveling for too many hours, he was just what we needed to navigate everything! Give that guy a raise!

The cabin was bit colder than I like but the crew members looked after us very well. They did even offer hot water bottle and hot chocolate. I cannot rate the crew enough excellent is not good enough. They really were wonderful.

Boarding is always a challenge as folks in al groups crowd around for no reason, but crew handled it well. I once again applaud the LHR ground baggage staff as they got our bags from a flight at Terminal 5A to a flight in Terminal 5C within 40 minutes...amazing!

Gate information deliberately delayed to only one hour B4 flight, lack of info finding gate.

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

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