LHR - KEF

$84 Find Cheap Flights from London Heathrow Airport to Reykjavik

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 11/26. 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 Reykjavik (LHR-KEF)

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

Sun, Nov 2 - Sun, Nov 9
Icelandair Logo
8:35 pm - 11:55 pmLHR-KEF
3h 20mnonstop
Icelandair Logo
7:35 am - 10:50 amKEF-LHR
3h 15mnonstop
$198Icelandair
Find Deal
Sun, Nov 30 - Sat, Dec 6
British Airways Logo
7:20 am - 10:40 amLHR-KEF
3h 20mnonstop
British Airways Logo
11:55 am - 3:05 pmKEF-LHR
3h 10mnonstop
$201British Airways
Find Deal
Sun, Nov 30 - Sat, Dec 6
British Airways Logo
7:20 am - 10:40 amLHR-KEF
3h 20mnonstop
British Airways Logo
11:55 am - 3:05 pmKEF-LHR
3h 10mnonstop
$202British Airways
Find Deal
Sat, Nov 15 - Wed, Nov 19
Icelandair Logo
8:35 pm - 11:55 pmLHR-KEF
3h 20mnonstop
Icelandair Logo
7:35 am - 10:50 amKEF-LHR
3h 15mnonstop
$208Icelandair
Find Deal
Sat, Nov 15 - Wed, Nov 19
Icelandair Logo
8:35 pm - 11:55 pmLHR-KEF
3h 20mnonstop
Icelandair Logo
7:35 am - 10:50 amKEF-LHR
3h 15mnonstop
$209Icelandair
Find Deal
Fri, Nov 14 - Wed, Nov 26
Icelandair Logo
8:35 pm - 11:55 pmLHR-KEF
3h 20mnonstop
Icelandair Logo
4:20 pm - 7:30 pmKEF-LHR
3h 10mnonstop
$215Icelandair
Find Deal
Wed, Nov 5 - Mon, Nov 10
Scandinavian Airlines Logo
7:50 pm - 10:45 amLHR-KEF
14h 55m1 stop
Scandinavian Airlines Logo
1:00 pm - 9:35 pmKEF-LHR
8h 35m1 stop
$218Scandinavian Airlines
Find Deal
Mon, Nov 10 - Mon, Nov 17
Scandinavian Airlines Logo
6:40 pm - 10:45 amLHR-KEF
16h 05m1 stop
Scandinavian Airlines Logo
1:00 pm - 9:35 pmKEF-LHR
8h 35m1 stop
$234Scandinavian Airlines
Find Deal
Mon, Sep 8 - Tue, Sep 23
SWISS Logo
6:00 am - 8:35 amLHR-KEF
27h 35m1 stop
SWISS Logo
4:10 pm - 5:50 pmKEF-LHR
24h 40m1 stop
$246SWISS
Find Deal
Sat, Sep 6 - Sun, Sep 14
Lufthansa Logo
7:25 am - 12:10 amLHR-KEF
17h 45m1 stop
Lufthansa Logo
12:25 am - 7:40 amKEF-LHR
6h 15m1 stop
$271Lufthansa
Find Deal
Expert advice

Expert advice for your flight from Heathrow to Reykjavik

 
Snippets provided in this section are AI-generated based on a summarization 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 on the 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.

How much is a round-trip 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?

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.

If your flying dates are flexible, you should consider flying to Reykjavik on a Thursday, as we generally find the cheapest rates on that day for this route. On the other hand, Wednesday is the most expensive day to fly from London Heathrow Airport to Reykjavik. For your return ticket, we recommend flying on a Tuesday and avoiding Mondays for the best 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 $195 (return) on average. On the other hand, the most expensive months are July and August, where the average cost of round-trip tickets is $405 and $359 respectively.

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

Low seasonApril
High seasonOctober
Cheapest flight$84
Best time to beat the crowds but there is an average 8% increase in price.
Most popular time to fly with an average 7% increase in price.
Flight from London Heathrow Airport to Reykjavik

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 round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips 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 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 $84 for a one-way ticket and $198 for a round-trip.

  • Do I need a passport to fly between London Heathrow Airport and Reykjavik?

    Yes

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

    When flying out of London Heathrow Airport you will be using London Heathrow. You will be landing at Reykjavik, also known as Reykjavik Keflavik Intl.

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

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

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

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

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

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

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

    There are nonstop flights from London Heathrow Airport to Reykjavik on a daily basis.

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

    The two airlines most popular with KAYAK users for flights from London to Reykjavik are Icelandair and British Airways. With an average price for the route of $300 and an overall rating of 7.0, Icelandair is the most popular choice. British Airways is also a great choice for the route, with an average price of $252 and an overall rating of 6.6.

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

  • 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?

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

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

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Reykjavik with an airline and back to London Heathrow Airport with another airline. Booking your flights between London Heathrow Airport and KEF can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from London Heathrow Airport 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 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? 25% of our users found flights on this route for $255 or less one-way and $360 or less round-trip.

Prefer to fly direct from London Heathrow Airport to Reykjavik?

 
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

American Airlines, British Airways, Emirates, +6 more

American Airlines, British Airways, +7 more

Tuesday

Emirates, Icelandair, TAP AIR PORTUGAL, +1 more

Emirates, Icelandair, +2 more

Wednesday

American Airlines, British Airways, Emirates, +6 more

American Airlines, British Airways, +7 more

Thursday

American Airlines, British Airways, Emirates, +6 more

American Airlines, British Airways, +7 more

Friday

American Airlines, British Airways, Emirates, +6 more

American Airlines, British Airways, +7 more

Saturday

American Airlines, British Airways, Emirates, +6 more

American Airlines, British Airways, +7 more

Sunday

American Airlines, British Airways, Emirates, +6 more

American Airlines, British Airways, +7 more

See more direct flights

Direct returns

Reykjavik Keflavik Intl to London Heathrow

Monday

American Airlines, British Airways, Emirates, +6 more

American Airlines, British Airways, +7 more

Tuesday

Emirates, Icelandair, TAP AIR PORTUGAL, +1 more

Emirates, Icelandair, +2 more

Wednesday

American Airlines, British Airways, Emirates, +6 more

American Airlines, British Airways, +7 more

Thursday

American Airlines, British Airways, Emirates, +6 more

American Airlines, British Airways, +7 more

Friday

American Airlines, British Airways, Emirates, +6 more

American Airlines, British Airways, +7 more

Saturday

American Airlines, British Airways, Emirates, +6 more

American Airlines, British Airways, +7 more

Sunday

American Airlines, British Airways, Emirates, +6 more

American Airlines, British Airways, +7 more

See more direct flights

Reviews of the top 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.
7.0
IcelandairOverall score based on 514 reviews
7.1Boarding
8.0Crew
7.0Entertainment
6.9Comfort
6.2Food
Airline reviews

Still one of my favorite airlines, but the entertainment options were a bit lacking. It didn't help that my screen didn't work on one of the legs of the trip.

8.0 ExcellentDrew, Jul 2025BOS - AMS
Read more Icelandair reviews

Still one of my favorite airlines, but the entertainment options were a bit lacking. It didn't help that my screen didn't work on one of the legs of the trip.

The plane was very small and the aisle was so narrow that every time someone walked by they rubbed against me, so it was very uncomfortable.

Everything was good. Only issue comes from being vegan and flying. The food options are super limited.

Overall good for an economy fare. IMO the movie selection could be improved. Great that you can now connect bluetooth headphones to the entertainment system.

For a four hour flight, I was disappointed that everything was for purchase except for coffee, tea, or water. The disembarking in Iceland was so inefficient and time-consuming. We landed and stopped in the middle of the tarmac, had to disembark in the rain, and then squeeze into a bus which took us to the airport. Crazy! How does that work in winter?

Paid for a Premium seat...minimal recline, no footrest. Maybe slightly wider than a cheap economy seat. Zero chance of getting any rest on this plane

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.

3/4 bags delayed and 1/4 damaged at the other end. Flight was freezing

this was a good experience from on time boarding and take off to early arrival. Comfortable seats became empty seat next to me.

Cancelled flight, limited information and chaotic rebooking and accommodation provision. Apathetic crew who were more interested in taking about their layover plans than remembering passengers orders and actually bringing them (after 3 reminders). To top it off, priority baggage checked in at The Wing (LHR’s first class checkin) was delivered last to the baggage belt.

The crew were good. The flight was on time. The entertainment choice was ok. But the food was bad, tasted and texture were awful.

After boarding we were waiting in the plane for more than one hour to take off without AC with very high temperature inside

The flight was an hour late leaving Heathrow. The food was mediocre. When we got to Austin, my husband’s luggage was missing. He filled out information at baggage claim. We are waiting to hear something. His name is Henry Jacob Braunig.

Only for BA because we had to get to Edinburgh at a certain time. Baggage lost, late boarding with only one person checking, again, our passports and boarding passes until the despatch controller had to step in to get us away. Will never fly BA again.

We arrived late to London, and consequently were 5 min. late to be allowed through security for our next flight. Even though dozens of people missed the same flight, BA did not radio ahead to hold open security for an extra 5-10 min. to allow people to get on the flight. This caused an additional 6 hour delay in London after waiting over an hour in Customer Service to get rebooked. They did not have enough staff on hand to help people in a timely manner. Not at all happy with the BA's customer care or customer service.

All service prior to the flight was terrible: online check-in not working, no customer service tel,, multiple airport scanners not working, A huge mess.

CONSTANT ERROR MESSAGE THAT THE WIFI COULD NOT BE PURCHASED DUE TO INABILITY TO CONNECT PAYMENT SYSTEM VIA SATELLITE. THIS HAPPENED IN BOTH DIRECTIONS. THE MAIN REASON I TRAVEL IN PRIORITY IS TO BE ABLE TO WORK FOR WHICH I NEED ACCESS TO INTERNET. .

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

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