S$156 Cheap Flights from Reykjavik to London

View S$156 flight on Thu, 26 Feb, 2026Opens 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$156 for one-way flights and S$318 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

British Airways
Fri, 12 Dec - Sun, 14 Dec
KEF
Reykjavik
LHR
London
S$318 Return, found 2 days ago
S$318
Return
found 2 days ago
Select British Airways flight, departing Fri, 12 Dec from Reykjavik to London, returning Sun, 14 Dec, priced at S$318 found 2 days ago
British Airways
Fri, 12 Dec - Sun, 14 Dec
KEF
Reykjavik
LHR
London
S$326 Return, found 2 days ago
S$326
Return
found 2 days ago
Select British Airways flight, departing Fri, 12 Dec from Reykjavik to London, returning Sun, 14 Dec, priced at S$326 found 2 days ago
British Airways
Fri, 12 Dec - Sun, 14 Dec
KEF
Reykjavik
LHR
London
S$329 Return, found 2 days ago
S$329
Return
found 2 days ago
Select British Airways flight, departing Fri, 12 Dec from Reykjavik to London, returning Sun, 14 Dec, priced at S$329 found 2 days ago
British Airways
Thu, 5 Mar - Wed, 11 Mar
KEF
Reykjavik
LHR
London
S$336 Return, found 5 days ago
S$336
Return
found 5 days ago
Select British Airways flight, departing Thu, 5 Mar from Reykjavik to London, returning Wed, 11 Mar, priced at S$336 found 5 days ago
British Airways
Fri, 12 Dec - Thu, 18 Dec
KEF
Reykjavik
LHR
London
S$339 Return, found 2 days ago
S$339
Return
found 2 days ago
Select British Airways flight, departing Fri, 12 Dec from Reykjavik to London, returning Thu, 18 Dec, priced at S$339 found 2 days ago
KLM
Thu, 5 Mar - Wed, 11 Mar
KEF
Reykjavik
LHR
London
S$373 Return, found 5 days ago
S$373
Return
found 5 days ago
Select KLM flight, departing Thu, 5 Mar from Reykjavik to London, returning Wed, 11 Mar, priced at S$373 found 5 days ago
KLM
Thu, 8 Jan - Fri, 16 Jan
KEF
Reykjavik
LHR
London
S$375 Return, found 1 day ago
S$375
Return
found 1 day ago
Select KLM flight, departing Thu, 8 Jan from Reykjavik to London, returning Fri, 16 Jan, priced at S$375 found 1 day ago
Lufthansa
Fri, 15 May - Mon, 1 Jun
KEF
Reykjavik
LHR
London
S$440 Return, found 23 hours ago
S$440
Return
found 23 hours ago
Select Lufthansa flight, departing Fri, 15 May from Reykjavik to London, returning Mon, 1 Jun, priced at S$440 found 23 hours ago
Swiss International Air Lines
Wed, 11 Feb - Wed, 18 Feb
KEF
Reykjavik
LHR
London
S$551 Return, found 2 days ago
S$551
Return
found 2 days ago
Select Swiss International Air Lines flight, departing Wed, 11 Feb from Reykjavik to London, returning Wed, 18 Feb, priced at S$551 found 2 days ago
LOT-Polish Airlines
Fri, 15 May - Mon, 1 Jun
KEF
Reykjavik
LHR
London
S$5,171 Return, found 23 hours ago
S$5,171
Return
found 23 hours ago
Select LOT-Polish Airlines flight, departing Fri, 15 May from Reykjavik to London, returning Mon, 1 Jun, priced at S$5,171 found 23 hours ago

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

March is typically the cheapest month to fly

From S$200 - S$508 per traveller.

Alternative airports near London

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Gatwick LGW. Average driving time to city centre is 52 minutes. Flights from S$1,529
LGW
Gatwick
Average driving time to city centre52 min
Flights from S$1,529
Select flight to London City LCY. Closest option available. Average driving time to city centre is 21 minutes. Flights from S$1,596
LCY
London City
Closest
Average driving time to city centre21 min
Flights from S$1,596
Reykjavik to London route information
Origin airport
Keflavik Intl.
Destination airport
Heathrow
Airlines serving
British Airways, KLM, LOT-Polish Airlines, Lufthansa
Return price
S$318
Distance
1885 km
Average flight time
4 hours 11 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, KLM, Lufthansa, Swiss International Air Lines, Eurowings, LOT-Polish Airlines. 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$156 and roundtrip prices from S$318*.
 

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

With Expedia, your adventure extends beyond the flight. Explore London at your own pace by renting a car or booking a hotel. Discover hidden gems off the beaten path and create unforgettable memories.
 

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$318. 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$126.95
*Available to Expedia members.