LON - KEF

$85 Find Cheap Flights from London 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 London to Keflavik Intl departing on 11/17. 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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Everything you should know

Cheapest round-trip
$116
Overall average: $157
easyJet
Sun 12/7Sun 12/14
LTN - KEF • Non-stop
Cheapest one-way
$85
Typical prices: $108-$173
easyJet
Mon 11/17
LTN - KEF • Non-stop
Our travelers' advice
AI-generated summary based on content written by travel experts and KAYAK users
Icelandair's Economy Flex allows waived change fees.
Bring snacks; Icelandair's in-flight food is limited.
Expert advice
Expert advice
+1
+1
Expert advice
Expert advice
+1
Video guide: How to find cheap flights to Keflavik Intl
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Top routes
LTN-KEF
Cheapest • 53% average savings
LGW-KEF
Most popular
Insights
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When to book
5 weeks
in advance
Our data shows that travelers who book at least 5 weeks in advance save around 42% compared to booking last minute.
Insights
Insights
Insights
Insights
When to travel
January
Cheapest • 51% price drop
November
Most popular
Good to know
Good to know
+1
+1
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+1
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We hope you love your trip to Keflavik Intl!
Flight Deals
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Expert advice
Flight Deals

Cheap Flights from London to Reykjavik (LON-KEF)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from London 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 London to Keflavik Intl

Sun, Dec 7 - Sun, Dec 14
easyJet Logo
6:00 am - 9:15 amLTN-KEF
3h 15mnonstop
easyJet Logo
10:05 am - 1:00 pmKEF-LTN
2h 55mnonstop
$116easyJet
Find Deal
Tue, Nov 25 - Thu, Nov 27
easyJet Logo
8:00 am - 11:30 amLGW-KEF
3h 30mnonstop
easyJet Logo
6:05 pm - 9:15 pmKEF-LGW
3h 10mnonstop
$116easyJet
Find Deal
Tue, Nov 18 - Wed, Nov 26
Multiple Airlines Logo
8:25 am - 7:35 pmLTN-KEF
11h 10m1 stop
Multiple Airlines Logo
11:55 am - 2:50 pmKEF-LTN
2h 55mnonstop
$148Multiple Airlines
Find Deal
Tue, Nov 25 - Wed, Nov 26
Multiple Airlines Logo
8:25 am - 7:35 pmLTN-KEF
11h 10m1 stop
Multiple Airlines Logo
11:55 am - 2:50 pmKEF-LTN
2h 55mnonstop
$153Multiple Airlines
Find Deal
Tue, Dec 2 - Sat, Dec 6
Icelandair Logo
8:35 pm - 11:55 pmLHR-KEF
3h 20mnonstop
Icelandair Logo
7:35 am - 10:50 amKEF-LHR
3h 15mnonstop
$160Icelandair
Find Deal
Sat, Nov 29 - Sat, Dec 6
Icelandair Logo
8:35 pm - 11:55 pmLHR-KEF
3h 20mnonstop
Icelandair Logo
4:20 pm - 7:30 pmKEF-LHR
3h 10mnonstop
$170Icelandair
Find Deal
Sun, Dec 7 - Sat, Dec 13
British Airways Logo
1:40 pm - 5:05 pmLHR-KEF
3h 25mnonstop
British Airways Logo
11:55 am - 3:05 pmKEF-LHR
3h 10mnonstop
$172British Airways
Find Deal
Sun, Nov 16 - Thu, Nov 20
British Airways Logo
7:20 am - 10:40 amLHR-KEF
3h 20mnonstop
British Airways Logo
11:45 am - 2:55 pmKEF-LHR
3h 10mnonstop
$195British Airways
Find Deal
Sat, Jan 31 - Fri, Feb 6
Scandinavian Airlines Logo
5:00 pm - 10:45 amLHR-KEF
17h 45m1 stop
Scandinavian Airlines Logo
11:30 am - 9:40 pmKEF-LHR
10h 10m1 stop
$225Scandinavian Airlines
Find Deal
Wed, Apr 1 - Mon, Apr 6
Scandinavian Airlines Logo
10:20 am - 4:15 pmLHR-KEF
6h 55m1 stop
Scandinavian Airlines Logo
6:25 pm - 9:35 amKEF-LHR
14h 10m1 stop
$233Scandinavian Airlines
Find Deal
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.

Find cheap flights to Reykjavik
Find cheap flights to Reykjavik

Planning a trip from London to Keflavik Intl? KAYAK’s data-powered insights will help you find cheap flights. Learn the best time to fly, how early to book your ticket, and other tips to secure great prices.

How much is a round-trip flight from London to Reykjavik Keflavik Intl Airport?

This analysis is based on the cheapest round-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 $83 on the route between London Luton Airport (LTN) and Reykjavik Keflavik Intl Airport (KEF). Over the past month, this route was, on average, 53% cheaper than other London-Reykjavik Keflavik Intl Airport routes. The most popular route is between London Gatwick Airport (LGW) and Reykjavik Keflavik Intl Airport (KEF).

What’s the cheapest day of the week to fly from London to Reykjavik?

The average price of all round-trip flights from London 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 Friday, 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 to Reykjavik. For your return ticket, we recommend flying on a Tuesday and avoiding Saturdays for the best deals.

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 $104 (return) on average. On the other hand, the most expensive months are July and August, where the average cost of round-trip tickets is $340 and $312 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 5 weeks before departure, which saves you about 42% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 16 weeks before departure.

Expert advice

Expert advice for your flight from London to Keflavik Intl

 
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 includes lounge access, meals, and free Wi-Fi for two devices.


Economy Flex on Icelandair offers waived change fees and possible refunds for flexibility.

Read more about Icelandairby Stefanie Waldek
PLAY

PLAY offers priority boarding with Basic Plus, Value, and Flex bundles for added convenience.


PLAY's extra legroom seats offer up to 10 additional inches of pitch for more comfort.

Read more about PLAYby Stefanie Waldek
Our travel experts
Stefanie Waldek

Stefanie Waldek

Expert on Icelandair and PLAY

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

Good to know

Low seasonJune
Best time to beat the crowds but there is an average 21% increase in price.
Most popular time to fly and prices are also 42% 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 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.

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

Insights shared by verified travelers who flew the route from London to Keflavik Intl 
Verified travelerFlew with IcelandairLGW-KEFFeb 2025
Pack snacks. Expensive restaurants and no in flight food unless ordered.
JonFlew with IcelandairLGW-KEFJun 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 the departure and arrival airports a hub for any airlines?

    Reykjavik Keflavik International Airport is a primary hub for Eagle Air and a domestic hub for Icelandair. It's the largest and main hub for international transportation in Iceland, whereas London Heathrow Airport is the main hub for British Airways and a center for Virgin Atlantic.

  • Does London Heathrow Airport have a play area for kids?

    Yes, this airport has several quiet spaces that are safe for kids to play in. One play area is located at Terminal 5 near Gate A7. It's ideal for kids younger than nine years and opens from 6 am to 9 pm every day. Another play area is located at Terminal 4 near Gates 1 to 6. Also, it's open from 6 am to 9 pm daily. Your kids can also sit in the kids' seating area at Terminal 2 to enjoy the spectacular view of the airport.

  • How do I get to London Heathrow Airport from downtown London?

    The fastest way to get to the airport is using a train that runs every 15min. However, if you need cheaper transport, you can use the London Underground trains that drop you off at the airport.

  • Which is the most sustainable flight from London to Reykjavik?

    American Airlines is the most sustainable airline when flying from London to Reykjavik because it practices sustainable aviation. It aims to ensure zero carbon emissions by 2050. This airline uses renewable biofuel that reduces the environmental impact on the environment.

  • 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 $85 for a one-way ticket and $116 for a round-trip.

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

    Yes

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

    When flying out of London you will be using one of these airports: London Gatwick or London Heathrow. You will be landing at Reykjavik Keflavik Intl.

  • 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.

  • Which airline alliances offer flights from London to Reykjavik?

    oneworld is the only airline alliance operating flights between London and Reykjavik.

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

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

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

    The two airlines most popular with KAYAK users for flights from London to Reykjavik are Icelandair and PLAY. With an average price for the route of $344 and an overall rating of 7.0, Icelandair is the most popular choice. PLAY is also a great choice for the route, with an average price of $189 and an overall rating of 7.0.

  • 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 travelers 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 round-trip 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 $188 or less one-way and $290 or less round-trip.
  • You can access London Heathrow Airport (LHR) lounges despite the class you fly in. Airport lounges are located in all terminals, including Terminal 2, Terminal 3, Terminal 4, and Terminal 5. These lounges have family-friendly facilities and a wide selection of meals and drinks. In addition, premium lounges such as Plaza Premium Lounge offer spa services.
  • Reykjavik Keflavik International Airport (KEF) serves several nearby cities. Some of these cities include Hafnir, Vogar, Njardivik, Mosfellsbaer, Alftanes, Kopavogur, Gardabaer, Hafnarfjordur, Sardgerdi and Seltjarnes.
  • If you need easy luggage handling, cheap flights from London to Reykjavik are American Airlines or Icelandair. This is because Icelandair flies from Terminal 2 and American Airlines flies from Terminal 3. The Cargo Terminal is connected to Terminal 2 and Terminal 3 by the Heathrow cargo tunnel, making it easy to handle your luggage.
  • Though there are several airports in London, including London City Airport (LCY) and London Gatwick Airport (LGW), you should choose London Heathrow Airport. Apart from modern facilities, including the VIP Terminal, it has beautiful water fountains. All 107 water fountains are near terminal 1 to terminal 5, making it an attractive airport.
  • Reykjavik Keflavik International Airport offers facilities for specially-abled travelers. The toilets and lifts are wheelchair accessible. Also, those with hidden disabilities are given the option of wearing a sunflower lanyard at the airport. On the other hand, London Heathrow Airport has a reserved seating area with induction loops for those with disabilities. In addition, the airlines assist those with reduced mobility free of charge.

Prefer to fly direct from London to Reykjavik?

 
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, easyJet

British Airways, Icelandair, +1 more

Wednesday

British Airways, Icelandair, Jet2, +1 more

British Airways, Icelandair, +2 more

Thursday

British Airways, Icelandair, easyJet

British Airways, Icelandair, +1 more

Friday

British Airways, Icelandair, easyJet

British Airways, Icelandair, +1 more

Saturday

British Airways, Icelandair, easyJet

British Airways, Icelandair, +1 more

Sunday

British Airways, Icelandair, Jet2, +1 more

British Airways, Icelandair, +2 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, easyJet

British Airways, Icelandair, +1 more

Wednesday

British Airways, Icelandair, Jet2, +1 more

British Airways, Icelandair, +2 more

Thursday

British Airways, Icelandair, easyJet

British Airways, Icelandair, +1 more

Friday

British Airways, Icelandair, easyJet

British Airways, Icelandair, +1 more

Saturday

British Airways, Icelandair, easyJet

British Airways, Icelandair, +1 more

Sunday

British Airways, Icelandair, Jet2, +1 more

British Airways, Icelandair, +2 more

See more direct flights

Reviews of the top 3 airlines serving from London to Keflavik Intl

 
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 London to Keflavik Intl? 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 556 reviews
7.0Entertainment
6.9Comfort
8.1Crew
6.2Food
7.2Boarding
Airline reviews

It was too cold in the plane my feet froze

8.0 ExcellentDavid, Oct 2025MCO - KEF
Read more Icelandair reviews

It was too cold in the plane my feet froze

Service was excellent. Food and drinks were very good except for a greasy lump of a donut at the end of the flight that left us both feeling internally disgusted.

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.

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

Nice to fly out of Orly smaller easier to navigate airport. Being able to receive boarding pass well in advance of trip was comforting to know all travel was in order.

Generally a good experience except for boarding in Naples on the flight back to London. We were all standing around for at least 20 minutes maybe longer as there was no seating.

Seats, WC,sizes for today's generation adults, and if technical problems arise a complimentary coffee, water nice for waiting one hours, the rest is perfect (pilot and cabin crew)

Boarding was smooth and quick. Flight departed on time. Equally evacuation upon landing was from both the front door and the back doors. Bags were on the conveyor belts before I got there. Excellent service.

The terminals are far away, be prepared to walk. Also, You climb stairs to the plane since there are no aero bridges. Boarding was haphazard not in multiple groups, so stand in line early. Hard to find place to stow cabin baggage if you are behind in the line. You can purchase food on the plane. There are vegetarian options.

First -the flight was late - more than two hours Second, not even a bottle of water at bord to give for free for this inconvenience. Three-at landing ive realised that I've lost one of my ear plug headphones and been very desperate to find it with my torch, the crew not helped at all more than that they asked to leave the plane as everyone did before me. This was the last flight from that day- extra 5 min for me with a bit of help from crew - would have bring a super review. I guess this days humanity disappeared!

I got caught using a stolen credit card number. Michelle Siziba is my name Nice to London Gatwick on 7/31/25.

Not happy with price of luggage or that we had no choice but to pay whether cabin or hold. I didn't book seats but this is unnecessary extra money along with suitcase

We accidentally purchased twice the bags we needed. Our fault, but the ticket was not clear to us, and it asked us to purchase bags at checkin. When we notified them to get credit back at the airport, they said to contact customer service. We flew the flight and then contracted customer service. They said no credits after the flight has flown. Not customer service oriented at all. They know we didn’t check that many bags and kept our money for a service they did not provide. Be aware and very careful of what you are purchasing from them because they will not make it right if there is an error.

sadly in Basel & Naples- no jetway we had to climb up and down stairs with our max size carry-on luggage, which was not fun!!!

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

Information on your arrival and departure airports

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