£43 Cheap Flights from Reykjavik (KEF) to London (LHR)

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SAS
British Airways
Austrian Airlines
Lufthansa
KLM
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Cheap Flights from Reykjavik (KEF) to London (LHR)

Prices were available within the past 7 days and start at £43 for one-way flights and £116 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

British Airways
British Airways
Swiss International Air Lines
British Airways
Swiss International Air Lines
British Airways
Lufthansa
Swiss International Air Lines
Austrian Airlines
Lufthansa
Flight from Reykjavik to London route information
Origin airport
Keflavik Intl.
Destination airport
Heathrow
Airlines serving
Austrian Airlines, British Airways, Eurowings, Icelandair, KLM, Lufthansa, Scandinavian Airlines, Swiss International Air Lines
Return price
£115
Distance
1885 km
Average flight time
4 hours 10 mins

Compare flights from Reykjavik to London easily and book in confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Reykjavik to London. Operating between them 7 flights per day, 20 airlines cover the route. And American Airlines, JAL, Icelandair, JetBlue, Turkish Airlines, British Airways fly direct, getting you to Heathrow in just 5hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Keflavik Intl. to Heathrow.  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from Keflavik Intl. (KEF) to Heathrow (LHR) 

The easiest way to view the best deals on flights from Reykjavik to London today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Keflavik Intl. to Heathrow start at just £116 and range up to £157.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near Reykjavik and London
  • booking your flight during March, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your Reykjavik to London flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Keflavik Intl. to Heathrow for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

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 £116. 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.
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