S$178 Cheap Flights from London to Reykjavik

View S$178 flight on Fri, 21 Nov, 2025Opens in a new window

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

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Cheap Flights from London to Reykjavik (LHR-KEF)

Prices were available within the past 7 days and start at S$178 for one-way flights and S$266 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Icelandair
Mon, 12 Jan - Tue, 27 Jan
LHR
London
KEF
Reykjavik
S$266 Return, found 1 hour ago
S$266
Return
found 1 hour ago
Select Icelandair flight, departing Mon, 12 Jan from London to Reykjavik, returning Tue, 27 Jan, priced at S$266 found 1 hour ago
Icelandair
Sun, 2 Nov - Sun, 9 Nov
LHR
London
KEF
Reykjavik
S$274 Return, found 4 days ago
S$274
Return
found 4 days ago
Select Icelandair flight, departing Sun, 2 Nov from London to Reykjavik, returning Sun, 9 Nov, priced at S$274 found 4 days ago
Icelandair
Mon, 12 Jan - Mon, 2 Feb
LHR
London
KEF
Reykjavik
S$275 Return, found 1 hour ago
S$275
Return
found 1 hour ago
Select Icelandair flight, departing Mon, 12 Jan from London to Reykjavik, returning Mon, 2 Feb, priced at S$275 found 1 hour ago
Icelandair
Mon, 1 Dec - Sat, 20 Dec
LHR
London
KEF
Reykjavik
S$284 Return, found 1 hour ago
S$284
Return
found 1 hour ago
Select Icelandair flight, departing Mon, 1 Dec from London to Reykjavik, returning Sat, 20 Dec, priced at S$284 found 1 hour ago
British Airways
Sun, 4 Jan - Fri, 16 Jan
LHR
London
KEF
Reykjavik
S$290 Return, found 1 hour ago
S$290
Return
found 1 hour ago
Select British Airways flight, departing Sun, 4 Jan from London to Reykjavik, returning Fri, 16 Jan, priced at S$290 found 1 hour ago
Icelandair
Mon, 1 Dec - Thu, 18 Dec
LHR
London
KEF
Reykjavik
S$292 Return, found 1 hour ago
S$292
Return
found 1 hour ago
Select Icelandair flight, departing Mon, 1 Dec from London to Reykjavik, returning Thu, 18 Dec, priced at S$292 found 1 hour ago
Scandinavian Airlines
Wed, 19 Nov - Mon, 24 Nov
LHR
London
KEF
Reykjavik
S$295 Return, found 2 hours ago
S$295
Return
found 2 hours ago
Select Scandinavian Airlines flight, departing Wed, 19 Nov from London to Reykjavik, returning Mon, 24 Nov, priced at S$295 found 2 hours ago
Icelandair
Tue, 2 Dec - Sun, 21 Dec
LHR
London
KEF
Reykjavik
S$301 Return, found 1 hour ago
S$301
Return
found 1 hour ago
Select Icelandair flight, departing Tue, 2 Dec from London to Reykjavik, returning Sun, 21 Dec, priced at S$301 found 1 hour ago
Lufthansa
Thu, 11 Dec - Tue, 16 Dec
LHR
London
KEF
Reykjavik
S$409 Return, found 4 days ago
S$409
Return
found 4 days ago
Select Lufthansa flight, departing Thu, 11 Dec from London to Reykjavik, returning Tue, 16 Dec, priced at S$409 found 4 days ago
Swiss International Air Lines
Wed, 10 Sep - Tue, 30 Sep
LHR
London
KEF
Reykjavik
S$434 Return, found 1 day ago
S$434
Return
found 1 day ago
Select Swiss International Air Lines flight, departing Wed, 10 Sep from London to Reykjavik, returning Tue, 30 Sep, priced at S$434 found 1 day ago

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

January is typically the cheapest month to fly

From S$167 - S$379 per traveller.

Graph displaying average flight prices per month

London to Reykjavik route information
Origin airport
Heathrow
Destination airport
Keflavik Intl.
Airlines serving
Air France, Austrian Airlines, British Airways, Eurowings, KLM, LOT-Polish Airlines, Lufthansa, Swiss International Air Lines
Return price
S$265
Distance
1885 km
Average flight time
2 hours 8 mins

Perfect flights from London to Reykjavik

Your Journey from London to Reykjavik

Start your unforgettable journey with Expedia. Our broad selection of flights from London to Reykjavik 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, Icelandair, LOT-Polish Airlines, Scandinavian Airlines, Lufthansa, KLM, Swiss International Air Lines. Our selection of flights from Heathrow to Keflavik Intl. 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 London to Reykjavik Flights

Experience the joy of finding cheap flights from Heathrow to Keflavik Intl. that fit your budget. Keep an eye out for our special deals and discounts, and check our flexible one-way fares from S$178 and roundtrip prices from S$266*.
 

Pre-Flight Essentials

Ensure a smooth journey from London to Reykjavik 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 Reykjavik

Picture yourself stepping off the plane in Reykjavik and immersing yourself in the unique atmosphere of . 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 London to Reykjavik 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 London to Reykjavik.
 

Beyond the Flight – Exploring Reykjavik

With Expedia, your adventure extends beyond the flight. Explore Reykjavik 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 London to Reykjavik 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 London to Reykjavik 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 Heathrow Airport to Keflavik Intl. Airport (KEF)?
Round-trip flights from Heathrow Airport to KEF start from S$266. This price is based on fares quoted within the last 7 days on Expedia for flights departing within the next year — book ASAP to avoid missing out. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from London Heathrow to Reykjavík–Keflavík Airport?
Each air carrier has its own set of terms and conditions. If you decide to cancel your trip, visit our Customer Service Portal.
How do I find cheap flights from London Heathrow to Keflavik Intl. Airport (KEF) 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 London Heathrow to Reykjavík–Keflavík Airport flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Heathrow Airport to Reykjavík–Keflavík Airport?
You'll be in the air for a while, as the flight distance between Hounslow and Reykjanesbær is 1,900 kilometres. Put together a playlist of your favourite tunes before you leave home to keep yourself entertained during your journey.
Which airlines fly direct from Heathrow Airport to KEF?
A leading airline that services the route from LHR to Keflavik Intl. Airport (KEF) is Icelandair (FI). It offers 60 flights every month. British Airways (BA) is also worth considering. It offers 30 flights every month. Between these two airlines, you'll be able to find a good deal from Hounslow to Reykjanesbær.
Are London Heathrow to KEF flight tickets cheaper when they're purchased at the last minute?
It is possible to score great last-minute deals from LHR to Reykjavík–Keflavík Airport, but it's also possible to miss out altogether! As many airlines release seats up to 12 months in advance, it's worthwhile keeping an eye on fares early and being ready to book when you see a bargain. Expedia compares air carrier prices and updates flight deals often, so you can be certain you're always seeing the latest offers.

Explore a world of travel with Expedia

London Airports

London

Luton to Reykjavik
S$153.16
Gatwick to Reykjavik
S$170.04
*Available to Expedia members.