S$155 Cheap Flights from Reykjavik to London

View S$155 flight on Fri, 5 Dec, 2025Opens in a new window

Popular airlines from Reykjavik–Keflavik Intl. Airport (KEF) to Heathrow Airport (LHR)

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Cheap Flights from Reykjavik to London (KEF-LHR)

Prices were available within the past 7 days and start at S$155 for one-way flights and S$415 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Lufthansa
Thu, 18 Sep - Thu, 25 Sep
KEF
Reykjavik
LHR
London
S$415 Return, found 3 days ago
S$415
Return
found 3 days ago
Select Lufthansa flight, departing Thu, 18 Sep from Reykjavik to London, returning Thu, 25 Sep, priced at S$415 found 3 days ago
Austrian Airlines
Mon, 11 May - Mon, 18 May
KEF
Reykjavik
LHR
London
S$419 Return, found 1 day ago
S$419
Return
found 1 day ago
Select Austrian Airlines flight, departing Mon, 11 May from Reykjavik to London, returning Mon, 18 May, priced at S$419 found 1 day ago
Lufthansa
Mon, 11 May - Mon, 18 May
KEF
Reykjavik
LHR
London
S$420 Return, found 1 day ago
S$420
Return
found 1 day ago
Select Lufthansa flight, departing Mon, 11 May from Reykjavik to London, returning Mon, 18 May, priced at S$420 found 1 day ago
Lufthansa
Wed, 9 Jul - Wed, 16 Jul
KEF
Reykjavik
LHR
London
S$436 Return, found 4 days ago
S$436
Return
found 4 days ago
Select Lufthansa flight, departing Wed, 9 Jul from Reykjavik to London, returning Wed, 16 Jul, priced at S$436 found 4 days ago
Lufthansa
Thu, 18 Sep - Thu, 25 Sep
KEF
Reykjavik
LHR
London
S$438 Return, found 3 days ago
S$438
Return
found 3 days ago
Select Lufthansa flight, departing Thu, 18 Sep from Reykjavik to London, returning Thu, 25 Sep, priced at S$438 found 3 days ago
Lufthansa
Wed, 24 Dec - Wed, 31 Dec
KEF
Reykjavik
LHR
London
S$440 Return, found 5 days ago
S$440
Return
found 5 days ago
Select Lufthansa flight, departing Wed, 24 Dec from Reykjavik to London, returning Wed, 31 Dec, priced at S$440 found 5 days ago
Lufthansa
Mon, 11 May - Mon, 18 May
KEF
Reykjavik
LHR
London
S$443 Return, found 1 day ago
S$443
Return
found 1 day ago
Select Lufthansa flight, departing Mon, 11 May from Reykjavik to London, returning Mon, 18 May, priced at S$443 found 1 day ago
British Airways
Sat, 7 Feb - Wed, 11 Feb
KEF
Reykjavik
LHR
London
S$467 Return, found 5 days ago
S$467
Return
found 5 days ago
Select British Airways flight, departing Sat, 7 Feb from Reykjavik to London, returning Wed, 11 Feb, priced at S$467 found 5 days ago
Swiss International Air Lines
Wed, 24 Dec - Wed, 31 Dec
KEF
Reykjavik
LHR
London
S$527 Return, found 5 days ago
S$527
Return
found 5 days ago
Select Swiss International Air Lines flight, departing Wed, 24 Dec from Reykjavik to London, returning Wed, 31 Dec, priced at S$527 found 5 days ago
KLM
Fri, 19 Sep - Thu, 25 Sep
KEF
Reykjavik
LHR
London
S$608 Return, found 3 days ago
S$608
Return
found 3 days ago
Select KLM flight, departing Fri, 19 Sep from Reykjavik to London, returning Thu, 25 Sep, priced at S$608 found 3 days ago

Find the cheapest month to fly from Reykjavik (KEF) to London (LHR)

March is typically the cheapest month to fly

From S$196 - S$547 per traveller.

Graph displaying average flight prices per month

Reykjavik to London route information
Origin airport
Keflavik Intl.
Destination airport
Heathrow
Airlines serving
Austrian Airlines, British Airways, KLM, LOT-Polish Airlines, Lufthansa, Swiss International Air Lines
Return price
S$414
Distance
1885 km
Average flight time
4 hours 13 mins

Perfect flights from Reykjavik to London

Your Journey from Reykjavik to London

Start your unforgettable journey with Expedia. Our broad selection of flights from Reykjavik to London caters to every travel need. Whether you're yearning for a romantic escape, a solo adventure, or a cultural immersion, we've got you covered.
 

Choosing Your Ideal Flight

With Expedia, you have access to a wide range of airlines, including British Airways, Eurowings, KLM, Lufthansa, Austrian Airlines, Swiss International Air Lines. Our selection of flights from Keflavik Intl. to Heathrow caters to every traveler's requirements, ensuring your journey aligns with your schedule. With options from 20 airlines, you're bound to find the perfect flight.
 

Maximizing Value with Reykjavik to London Flights

Experience the joy of finding cheap flights from Keflavik Intl. to Heathrow that fit your budget. Keep an eye out for our special deals and discounts, and check our flexible one-way fares from S$155 and roundtrip prices from S$415*.
 

Pre-Flight Essentials

Ensure a smooth journey from Reykjavik to London with Expedia. From information about check-in times and in-flight amenities to guidance on baggage policies, we provide all the essentials to prepare you for your flight.
 

Experience the Vibrant London

Picture yourself stepping off the plane in London and immersing yourself in the unique atmosphere of London. From local markets to cultural festivals, each city offers its distinct charm. Make the most of your trip by exploring local attractions and indulging in the local cuisine. With Expedia, explore all this and more, tailored to your budget.
 

Added Convenience on Your Reykjavik to London Flight

Traveling with Expedia is more than just a flight. We offer details about in-flight amenities, baggage policies, and more to ensure a smooth and hassle-free journey. Choose from our variety of airlines and embark on a memorable journey from Reykjavik to London.
 

Beyond the Flight – Exploring London

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Book Your Flight from Reykjavik to London with Confidence

Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support make your travel experience seamless and stress-free. Embark on your journey from Reykjavik to London with confidence. Book your travel arrangements with Expedia today.
 
*Note: Prices may vary based on availability and are subject to change.

Frequently asked questions

How much is a flight from Keflavik Intl. Airport (KEF) to Heathrow Airport?
Within the past 7 days on Expedia, for flights departing within the next year, the lowest price advertised for a round-trip journey from KEF to London Heathrow was S$415. Fares this good don't last forever, so make sure you book yours ASAP. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Reykjavík--Keflavík Airport to LHR?
Most flights can be cancelled online, but whether or not you incur a fee differs between airlines. If you do have to cancel your break, follow the easy instructions in the Customer Service Portal.
How do I find cheap flights from Keflavik Intl. Airport (KEF) to Heathrow Airport that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Reykjavík--Keflavík Airport to Heathrow Airport flights, you'll see a "no change fees" filter for you to select.
How far is the flight from KEF to LHR?
It's around 1,900 kilometres from Reykjavík--Keflavík Airport to LHR, so you'll be flying for a while. Keep yourself occupied by packing things like playing cards (if you're travelling with friends) or a thrilling novel.
Which airlines fly direct from Reykjavík--Keflavík Airport to LHR?
Icelandair (FI) is one of the preferred choices for many travellers flying between Keflavik Intl. Airport (KEF) and Heathrow Airport (LHR). Take your pick of the 60 flights it offers on this route each month. After some more options? Check out the airfares with British Airways (BA). This carrier offers 30 fights monthly between these destinations.
Are Reykjavík--Keflavík Airport to LHR flight tickets cheaper when they're purchased at the last minute?
Flight prices are always on the move, so not always. While last-minute flight deals between KEF and Heathrow Airport (LHR) are possible, it's also a good idea to keep a close eye on prices well before you fly. In fact, some airlines advertise their prices up to a year before the departure date. Expedia is continuously updating the best bargains around, so keep checking back and be ready to grab your seat when the price is right.

Explore a world of travel with Expedia

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S$227.29
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