฿3,880 Cheap Flights from London (LHR) to Reykjavik (KEF)

View ฿3,880 flight on Sat, 21 Feb 2026Opens in a new window

Popular airlines from Heathrow Airport (LHR) to Keflavik International Airport (KEF)

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Cheap Flights from London (LHR) to Reykjavik (KEF)

Prices were available within the past 7 days and start at ฿3,880 for one-way flights and ฿5,595 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Icelandair
Mon, 2 Feb - Fri, 6 Feb
LHR
London
KEF
Reykjavik
฿5,595 Return, found 4 days ago
฿5,595
Return
found 4 days ago
Select Icelandair flight, departing Mon, 2 Feb from London to Reykjavik, returning Fri, 6 Feb, priced at ฿5,595 found 4 days ago
Icelandair
Thu, 5 Mar - Sun, 8 Mar
LHR
London
KEF
Reykjavik
฿6,020 Return, found 2 days ago
฿6,020
Return
found 2 days ago
Select Icelandair flight, departing Thu, 5 Mar from London to Reykjavik, returning Sun, 8 Mar, priced at ฿6,020 found 2 days ago
Icelandair
Sun, 5 Apr - Wed, 8 Apr
LHR
London
KEF
Reykjavik
฿6,105 Return, found 6 days ago
฿6,105
Return
found 6 days ago
Select Icelandair flight, departing Sun, 5 Apr from London to Reykjavik, returning Wed, 8 Apr, priced at ฿6,105 found 6 days ago
Icelandair
Thu, 21 May - Sun, 24 May
LHR
London
KEF
Reykjavik
฿6,145 Return, found 3 days ago
฿6,145
Return
found 3 days ago
Select Icelandair flight, departing Thu, 21 May from London to Reykjavik, returning Sun, 24 May, priced at ฿6,145 found 3 days ago
Icelandair
Sat, 2 May - Sat, 9 May
LHR
London
KEF
Reykjavik
฿6,150 Return, found 4 hours ago
฿6,150
Return
found 4 hours ago
Select Icelandair flight, departing Sat, 2 May from London to Reykjavik, returning Sat, 9 May, priced at ฿6,150 found 4 hours ago
Icelandair
Sun, 24 May - Wed, 27 May
LHR
London
KEF
Reykjavik
฿6,355 Return, found 3 days ago
฿6,355
Return
found 3 days ago
Select Icelandair flight, departing Sun, 24 May from London to Reykjavik, returning Wed, 27 May, priced at ฿6,355 found 3 days ago
British Airways
Fri, 6 Feb - Fri, 13 Feb
LHR
London
KEF
Reykjavik
฿6,595 Return, found 3 days ago
฿6,595
Return
found 3 days ago
Select British Airways flight, departing Fri, 6 Feb from London to Reykjavik, returning Fri, 13 Feb, priced at ฿6,595 found 3 days ago
Scandinavian Airlines
Thu, 21 May - Sat, 23 May
LHR
London
KEF
Reykjavik
฿8,255 Return, found 3 days ago
฿8,255
Return
found 3 days ago
Select Scandinavian Airlines flight, departing Thu, 21 May from London to Reykjavik, returning Sat, 23 May, priced at ฿8,255 found 3 days ago
KLM
Mon, 9 Mar - Sat, 14 Mar
LHR
London
KEF
Reykjavik
฿10,130 Return, found 1 day ago
฿10,130
Return
found 1 day ago
Select KLM flight, departing Mon, 9 Mar from London to Reykjavik, returning Sat, 14 Mar, priced at ฿10,130 found 1 day ago
Lufthansa
Sat, 2 May - Sat, 9 May
LHR
London
KEF
Reykjavik
฿12,595 Return, found 4 hours ago
฿12,595
Return
found 4 hours ago
Select Lufthansa flight, departing Sat, 2 May from London to Reykjavik, returning Sat, 9 May, priced at ฿12,595 found 4 hours ago

Alternative airports near Reykjavik

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

Select flight to Keflavik Intl. KEF. Cheapest option available. Average driving time to city centre is 45 minutes. Flights from ฿6,440
KEF
Keflavik Intl.
Cheapest
Average driving time to city centre45 min
Flights from ฿6,440
Flight from London to Reykjavik route information
Origin airport
Heathrow
Destination airport
Keflavik Intl.
Airlines serving
British Airways, Icelandair, KLM, Lufthansa
Return price
฿5,595
Distance
1885 km
Average flight time
3 hours 20 mins

Perfect flights from London to Reykjavik

Embark on an unforgettable journey without breaking the bank with Expedia's incredible deals on cheap flights from London to Reykjavik. Whether you're aching for a romantic escape with your partner, craving an adventurous solo expedition, or yearning to immerse yourself in the local history and culture, we've got you covered.
 
Picture yourself strolling through the streets of , surrounded by breathtaking architecture and absorbing the vibrant atmosphere of this captivating city. Indulge in the mouth-watering local specialties, from tantalizing street food to exquisite fine dining. With Expedia, you can experience all of this and more, without sacrificing your budget.
 
Our flexible Heathrow to Keflavik Intl. ticket options cater to your travel preferences, with incredible one-way fares from ฿3,880 and roundtrip prices from ฿5,595. Whether you're planning a short city break or a longer adventure, our dynamic pricing ensures that you find the best deals for your journey.
 
But the magic doesn't stop there. Expedia offers a range of partner services to enhance your trip. Rent a car at Keflavik Intl. and explore and its surrounding areas at your own pace. Discover hidden gems off the beaten path, and create unforgettable memories. We also provide a handpicked selection of accommodations, from charming bed and breakfasts to luxury hotels, ensuring that you have a comfortable and memorable stay.
 
Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support are designed to make your travel experience seamless and stress-free. So, why wait? Book your to travel arrangements today and embark on the journey of a lifetime in Reykjavik.

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 ฿5,595. 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.
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