Cheap flights from Iceland to London from £70

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Iceland to London departing on 27/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags
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Find the cheapest flights from Iceland to London

Recent return flight deals from Iceland to London

British Airways Logo
18:10 - 21:10KEF-LHR
3h 00mdirect
British Airways Logo
07:20 - 10:40LHR-KEF
3h 20mdirect
£144British Airways
Find Deal
Fri, 23 Jan - Sun, 25 Jan
British Airways Logo
18:10 - 21:10KEF-LHR
3h 00mdirect
British Airways Logo
07:20 - 10:40LHR-KEF
3h 20mdirect
£145British Airways
Find Deal
Fri, 23 Jan - Sun, 25 Jan
British Airways Logo
11:50 - 15:00KEF-LHR
3h 10mdirect
British Airways Logo
07:35 - 10:55LHR-KEF
3h 20mdirect
£147British Airways
Find Deal
Tue, 4 Nov - Tue, 18 Nov
British Airways Logo
11:55 - 15:05KEF-LHR
3h 10mdirect
British Airways Logo
07:30 - 10:50LHR-KEF
3h 20mdirect
£174British Airways
Find Deal
Sat, 13 Dec - Wed, 17 Dec
 Logo
11:30 - 21:40KEF-LHR
10h 10m1 stop
 Logo
07:35 - 10:55LHR-KEF
3h 20mdirect
Tue, 4 Nov - Tue, 18 Nov
Scandinavian Airlines Logo
11:15 - 18:50KEF-LHR
7h 35m1 stop
Scandinavian Airlines Logo
10:35 - 10:30LHR-KEF
23h 55m1 stop
£182Scandinavian Airlines
Find Deal
Sun, 9 Nov - Sat, 15 Nov
Scandinavian Airlines Logo
11:30 - 18:30KEF-LHR
7h 00m1 stop
Scandinavian Airlines Logo
18:40 - 10:45LHR-KEF
16h 05m1 stop
£184Scandinavian Airlines
Find Deal
Tue, 4 Nov - Tue, 18 Nov
Icelandair Logo
16:20 - 19:30KEF-LHR
3h 10mdirect
Icelandair Logo
12:15 - 15:30LHR-KEF
3h 15mdirect
£197Icelandair
Find Deal
Mon, 15 Dec - Wed, 24 Dec
Icelandair Logo
16:20 - 19:30KEF-LHR
3h 10mdirect
Icelandair Logo
20:35 - 23:55LHR-KEF
3h 20mdirect
£200Icelandair
Find Deal
Sun, 9 Nov - Sat, 15 Nov
 Logo
11:15 - 18:50KEF-LHR
7h 35m1 stop
 Logo
07:35 - 10:55LHR-KEF
3h 20mdirect
Sun, 9 Nov - Sat, 15 Nov

British Airways flights from Iceland to London Heathrow Airport

Our best British Airways deals on Iceland to London Heathrow Airport flight tickets
British Airways
23 Jan
KEF18:10Reykjavik Keflavik Intl
3h 00m
LHR21:10London Heathrow
25 Jan
LHR07:20London Heathrow
3h 20m
KEF10:40Reykjavik Keflavik Intl
British Airways
23 Jan
KEF18:10Reykjavik Keflavik Intl
3h 00m
LHR21:10London Heathrow
25 Jan
LHR07:20London Heathrow
3h 20m
KEF10:40Reykjavik Keflavik Intl
British Airways
4 Nov
KEF11:50Reykjavik Keflavik Intl
3h 10m
LHR15:00London Heathrow
18 Nov
LHR07:35London Heathrow
3h 20m
KEF10:55Reykjavik Keflavik Intl

Scandinavian Airlines flights from Iceland to London Heathrow Airport

Our best Scandinavian Airlines deals on Iceland to London Heathrow Airport flight tickets
Scandinavian Airlines
9 Nov
KEF11:15Reykjavik Keflavik Intl
7h 35m
1 stop
LHR18:50London Heathrow
15 Nov
LHR10:35London Heathrow
23h 55m
1 stop
KEF10:30Reykjavik Keflavik Intl
Scandinavian Airlines
4 Nov
KEF11:30Reykjavik Keflavik Intl
7h 00m
1 stop
LHR18:30London Heathrow
18 Nov
LHR18:40London Heathrow
16h 05m
1 stop
KEF10:45Reykjavik Keflavik Intl
Scandinavian Airlines
5 Nov
KEF11:30Reykjavik Keflavik Intl
6h 10m
1 stop
LHR17:40London Heathrow
9 Nov
LHR19:30London Heathrow
15h 15m
1 stop
KEF10:45Reykjavik Keflavik Intl

momondo Fare Finder

 
Customise your flight search to find flights from Iceland to London Heathrow Airport that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 279,928 searches. Data last updated 1 August 2025.
Use the filters below to find and compare flights from Iceland to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ReykjavikLondon

KEF - LHR

KEFLHR

Reykjavik Keflavik Intl

Fri 23/1

18:10-21:10

Nonstop3h 00m

London Heathrow

Sun 25/1

07:20-10:40

Nonstop3h 20m

£144

ReykjavikLondon

KEF - LHR

KEFLHR

Reykjavik Keflavik Intl

Fri 23/1

18:10-21:10

Nonstop3h 00m

London Heathrow

Sun 25/1

07:20-10:40

Nonstop3h 20m

£145

ReykjavikLondon

KEF - LHR

KEFLHR

Reykjavik Keflavik Intl

Tue 4/11

11:50-15:00

Nonstop3h 10m

London Heathrow

Tue 18/11

07:35-10:55

Nonstop3h 20m

£147

ReykjavikLondon

KEF - LHR

KEFLHR

Reykjavik Keflavik Intl

Sat 13/12

11:55-15:05

Nonstop3h 10m

London Heathrow

Wed 17/12

07:30-10:50

Nonstop3h 20m

£174

ReykjavikLondon

KEF - LHR

KEFLHR

Reykjavik Keflavik Intl

Tue 4/11

11:30-21:40

1 stop10h 10m

London Heathrow

Tue 18/11

07:35-10:55

Nonstop3h 20m

£178

ReykjavikLondon

KEF - LHR

KEFLHR

Reykjavik Keflavik Intl

Sun 9/11

11:15-18:50

1 stop7h 35m

London Heathrow

Sat 15/11

10:35-10:30

1 stop23h 55m

£182

ReykjavikLondon

KEF - LHR

KEFLHR

Reykjavik Keflavik Intl

Tue 4/11

11:30-18:30

1 stop7h 00m

London Heathrow

Tue 18/11

18:40-10:45

1 stop16h 05m

£184

ReykjavikLondon

KEF - LHR

KEFLHR

Reykjavik Keflavik Intl

Mon 15/12

16:20-19:30

Nonstop3h 10m

London Heathrow

Wed 24/12

12:15-15:30

Nonstop3h 15m

£197

ReykjavikLondon

KEF - LHR

KEFLHR

Reykjavik Keflavik Intl

Sun 9/11

16:20-19:30

Nonstop3h 10m

London Heathrow

Sat 15/11

20:35-23:55

Nonstop3h 20m

£200

ReykjavikLondon

KEF - LHR

KEFLHR

Reykjavik Keflavik Intl

Sun 9/11

11:15-18:50

1 stop7h 35m

London Heathrow

Sat 15/11

07:35-10:55

Nonstop3h 20m

£209

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to London from

How to get the cheapest flight ticket from Iceland to London Heathrow Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to London Heathrow Airport?

On average, the least expensive day to fly to London Heathrow Airport from Iceland is on a Monday. momondo users have found tickets for Monday departures for as low as £149. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Saturday as prices are generally higher than usual. According to our data, the average ticket price to London Heathrow Airport on Saturday is £320.

What is the cheapest time of day to depart on your flight to London Heathrow Airport?

According to our data, the cheapest time of day to fly to London Heathrow Airport is in the afternoon. momondo users have found flights departing from Iceland to London Heathrow Airport in the afternoon for as low as £149. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are £261 on average. Flights to London Heathrow Airport from Iceland in the morning are generally more expensive because this time of day is more convenient for travellers’ schedules.

What is the cheapest Iceland to London Heathrow flight route?

Fly from Reykjavik Keflavik Intl to London Heathrow for the best Iceland - London Heathrow flight prices

What cabin class options are available on Iceland to London Heathrow flights?

There are 3 cabin classes available to choose from on Iceland to London Heathrow flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Iceland to London Heathrow Airport flights?

No. A direct flight is the cheapest option for a flight between Iceland to London Heathrow Airport.

Cheap Iceland to London Heathrow Airport flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Iceland to London Heathrow Airport

Best price found

£70

Fastest flight time

3h 00m

Direct flights

Every day
The best one-way flight to London Heathrow Airport from Iceland in the past 72 hours is £70. The best return flight deal from Iceland to London Heathrow Airport found on momondo in the last 72 hours is £144.
The fastest flight from Iceland to London Heathrow Airport takes 3h 00m
Direct flights go from Iceland to London Heathrow Airport every day.

  • When did momondo last update prices for flights from Iceland to London Heathrow Airport?

    Prices for flights from Iceland to London Heathrow Airport are updated daily.

  • How old do you have to be to fly from Iceland to London Heathrow Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Iceland to London Heathrow Airport.

  • What documentation or ID do you need to fly to London Heathrow Airport?

    The required travel and health documents for your London Heathrow Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at London Heathrow Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from Iceland to London Heathrow Airport?


Travelling to a place near London?

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Why use momondo?

Why should I use momondo to find a flight deal from Iceland to London?

It is quick and easy to find Iceland to London flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to London that suits you.

Can I find flights from Iceland to London with flexible booking policies on momondo?

Flights from Iceland to London with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Iceland to London?

momondo provides multiple filters to help you find the best flight to London from Iceland. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Iceland to London right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to London from Iceland. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.


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