S$161 Cheap Flights from Reykjavik to London

View S$161 flight on Wed, 29 Apr, 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$161 for one-way flights and S$396 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

British Airways
Fri, 24 Apr - Sun, 26 Apr
KEF
Reykjavik
LHR
London
S$396 Return, found 3 days ago
S$396
Return
found 3 days ago
Select British Airways flight, departing Fri, 24 Apr from Reykjavik to London, returning Sun, 26 Apr, priced at S$396 found 3 days ago
Scandinavian Airlines
Tue, 28 Apr - Sat, 2 May
KEF
Reykjavik
LHR
London
S$411 Return, found 3 days ago
S$411
Return
found 3 days ago
Select Scandinavian Airlines flight, departing Tue, 28 Apr from Reykjavik to London, returning Sat, 2 May, priced at S$411 found 3 days ago
Scandinavian Airlines
Tue, 1 Sept - Thu, 10 Sept
KEF
Reykjavik
LHR
London
S$430 Return, found 5 days ago
S$430
Return
found 5 days ago
Select Scandinavian Airlines flight, departing Tue, 1 Sept from Reykjavik to London, returning Thu, 10 Sept, priced at S$430 found 5 days ago
Scandinavian Airlines
Tue, 1 Sept - Thu, 10 Sept
KEF
Reykjavik
LHR
London
S$452 Return, found 5 days ago
S$452
Return
found 5 days ago
Select Scandinavian Airlines flight, departing Tue, 1 Sept from Reykjavik to London, returning Thu, 10 Sept, priced at S$452 found 5 days ago
Scandinavian Airlines
Tue, 28 Apr - Sat, 2 May
KEF
Reykjavik
LHR
London
S$454 Return, found 3 days ago
S$454
Return
found 3 days ago
Select Scandinavian Airlines flight, departing Tue, 28 Apr from Reykjavik to London, returning Sat, 2 May, priced at S$454 found 3 days ago
Scandinavian Airlines
Tue, 1 Sept - Thu, 10 Sept
KEF
Reykjavik
LHR
London
S$457 Return, found 5 days ago
S$457
Return
found 5 days ago
Select Scandinavian Airlines flight, departing Tue, 1 Sept from Reykjavik to London, returning Thu, 10 Sept, priced at S$457 found 5 days ago
Scandinavian Airlines
Mon, 27 Apr - Fri, 1 May
KEF
Reykjavik
LHR
London
S$462 Return, found 4 days ago
S$462
Return
found 4 days ago
Select Scandinavian Airlines flight, departing Mon, 27 Apr from Reykjavik to London, returning Fri, 1 May, priced at S$462 found 4 days ago
Lufthansa
Tue, 28 Apr - Sat, 2 May
KEF
Reykjavik
LHR
London
S$564 Return, found 3 days ago
S$564
Return
found 3 days ago
Select Lufthansa flight, departing Tue, 28 Apr from Reykjavik to London, returning Sat, 2 May, priced at S$564 found 3 days ago
Swiss International Air Lines
Thu, 23 Apr - Wed, 1 Jul
KEF
Reykjavik
LHR
London
S$572 Return, found 6 days ago
S$572
Return
found 6 days ago
Select Swiss International Air Lines flight, departing Thu, 23 Apr from Reykjavik to London, returning Wed, 1 Jul, priced at S$572 found 6 days ago
Air France
Wed, 19 Aug - Thu, 27 Aug
KEF
Reykjavik
LHR
London
S$633 Return, found 1 day ago
S$633
Return
found 1 day ago
Select Air France flight, departing Wed, 19 Aug from Reykjavik to London, returning Thu, 27 Aug, priced at S$633 found 1 day ago

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$396. 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.

Travel information

Origin airport
Keflavik Intl.
Destination airport
Heathrow
Airlines serving
Austrian Airlines, British Airways, KLM, LOT-Polish Airlines, Lufthansa, Scandinavian Airlines
Return price
S$395
Distance
1885 km
Average flight time
4 hours 11 mins

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