What is the most punctual flight time for Iceland to London flights?

Generally, flights departing in the evening tend to experience fewer delays. Flights departing in the morning have, in the past, seen delays more frequently in comparison.

What is the cheapest airline that flies from Iceland to London Heathrow?

British Airways and KLM are the most popular carriers operating from Iceland to London Heathrow

How many flights depart from Iceland to London Heathrow Airport on average per week?

As of December 2025, 63 flights take off from Iceland and land in London Heathrow Airport each week. The most common flight departure day for this route is Fri, with 22% of weekly flights taking off on this day.

Which airline has the best punctuality record on Iceland to London flights?

According to our data, Icelandair have had the fewest delays on this route over the last 12 months, with about 11% of their flights experiencing any sort of delay.

How many flights depart from Iceland to London Heathrow Airport on average per day?

As of December 2025, 9 flights take off from Iceland and land in London Heathrow Airport each day. The most common flight departure time for this route is 07:00, with 71% of daily flights taking off at midday.

How often are flights from Iceland to London delayed?

Historically, on average around 11% of flights between Iceland and London have experienced a delay on any given week. The average delay length over the past 12 months has been 125 minutes.

What day of the week experiences the fewest flight delays on this route?

Monday is statistically the day of the week that experiences the fewest delays on this flight route. Wednesday has historically seen more delays on average compared to the rest of the week.

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.

£62 Cheap Flights from Iceland to London Heathrow Airport in 2025/26

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11:50 - 15:00

KEF

LHR

3h 10mdirect

07:30 - 10:50

LHR

KEF

3h 20mdirect

£138British Airways

Wed, 21 Jan - Wed, 28 Jan

11:55 - 15:05

KEF

LHR

3h 10mdirect

07:35 - 10:55

LHR

KEF

3h 20mdirect

£144British Airways

Sat, 17 Jan - Tue, 20 Jan

10:00 - 14:10

KEF

LHR

3h 10mdirect

07:50 - 09:55

LHR

KEF

3h 05mdirect

£155British Airways

Sat, 2 May - Tue, 5 May

11:50 - 15:00

KEF

LHR

3h 10mdirect

07:35 - 10:55

LHR

KEF

3h 20mdirect

£158British Airways

Tue, 3 Feb - Tue, 10 Feb

11:50 - 15:00

KEF

LHR

3h 10mdirect

07:35 - 10:55

LHR

KEF

3h 20mdirect

£158British Airways

Tue, 3 Feb - Tue, 10 Feb

10:50 - 15:00

KEF

LHR

3h 10mdirect

07:50 - 09:55

LHR

KEF

3h 05mdirect

£159British Airways

Tue, 31 Mar - Tue, 7 Apr

11:05 - 18:50

KEF

LHR

6h 45m1 stop

10:35 - 17:35

LHR

KEF

8h 00m1 stop

£163Scandinavian Airlines

Tue, 31 Mar - Mon, 6 Apr

07:55 - 16:25

KEF

LHR

7h 30m1 stop

21:25 - 23:35

LHR

KEF

3h 10mdirect

£164Multiple Airlines

Fri, 10 Apr - Sat, 25 Apr

11:55 - 15:05

KEF

LHR

3h 10mdirect

07:35 - 10:55

LHR

KEF

3h 20mdirect

£167British Airways

Sat, 7 Feb - Mon, 9 Feb

11:05 - 18:50

KEF

LHR

6h 45m1 stop

21:25 - 23:35

LHR

KEF

3h 10mdirect

£167Multiple Airlines

Mon, 30 Mar - Tue, 7 Apr

British Airways flights from Iceland to London Heathrow Airport

Our best British Airways deals on Iceland to London Heathrow Airport flight tickets

British Airways

21 Jan

KEF11:50Reykjavik Keflavik Intl

3h 10m

LHR15:00London Heathrow

28 Jan

LHR07:30London Heathrow

3h 20m

KEF10:50Reykjavik Keflavik Intl

£138

Find similar

British Airways

17 Jan

KEF11:55Reykjavik Keflavik Intl

3h 10m

LHR15:05London Heathrow

20 Jan

LHR07:35London Heathrow

3h 20m

KEF10:55Reykjavik Keflavik Intl

£144

Find similar

British Airways

2 May

KEF10:00Reykjavik Keflavik Intl

3h 10m

LHR14:10London Heathrow

5 May

LHR07:50London Heathrow

3h 05m

KEF09:55Reykjavik Keflavik Intl

£155

Find similar

Scandinavian Airlines flights from Iceland to London Heathrow Airport

Our best Scandinavian Airlines deals on Iceland to London Heathrow Airport flight tickets

Scandinavian Airlines

31 Mar

KEF11:05Reykjavik Keflavik Intl

6h 45m

1 stop

LHR18:50London Heathrow

6 Apr

LHR10:35London Heathrow

8h 00m

1 stop

KEF17:35Reykjavik Keflavik Intl

£163

Find similar

Scandinavian Airlines

31 Mar

KEF11:05Reykjavik Keflavik Intl

9h 30m

1 stop

LHR21:35London Heathrow

6 Apr

LHR06:40London Heathrow

11h 55m

2 stops

KEF17:35Reykjavik Keflavik Intl

£173

Find similar

Scandinavian Airlines

10 Apr

KEF07:55Reykjavik Keflavik Intl

5h 40m

1 stop

LHR14:35London Heathrow

24 Apr

LHR06:40London Heathrow

10h 35m

1 stop

KEF16:15Reykjavik Keflavik Intl

£174

Find similar

momondo Fare Finder

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

Wed 21/1

11:50-15:00

Nonstop3h 10m

London Heathrow

Wed 28/1

07:30-10:50

Nonstop3h 20m

£138

ReykjavikLondon

KEF - LHR

KEFLHR

Reykjavik Keflavik Intl

Sat 17/1

11:55-15:05

Nonstop3h 10m

London Heathrow

Tue 20/1

07:35-10:55

Nonstop3h 20m

£144

ReykjavikLondon

KEF - LHR

KEFLHR

Reykjavik Keflavik Intl

Sat 2/5

10:00-14:10

Nonstop3h 10m

London Heathrow

Tue 5/5

07:50-09:55

Nonstop3h 05m

£155

ReykjavikLondon

KEF - LHR

KEFLHR

Reykjavik Keflavik Intl

Tue 3/2

11:50-15:00

Nonstop3h 10m

London Heathrow

Tue 10/2

07:35-10:55

Nonstop3h 20m

£158

ReykjavikLondon

KEF - LHR

KEFLHR

Reykjavik Keflavik Intl

Tue 3/2

11:50-15:00

Nonstop3h 10m

London Heathrow

Tue 10/2

07:35-10:55

Nonstop3h 20m

£158

ReykjavikLondon

KEF - LHR

KEFLHR

Reykjavik Keflavik Intl

Tue 31/3

10:50-15:00

Nonstop3h 10m

London Heathrow

Tue 7/4

07:50-09:55

Nonstop3h 05m

£159

ReykjavikLondon

KEF - LHR

KEFLHR

Reykjavik Keflavik Intl

Tue 31/3

11:05-18:50

1 stop6h 45m

London Heathrow

Mon 6/4

10:35-17:35

1 stop8h 00m

£163

ReykjavikLondon

KEF - LHR

KEFLHR

Reykjavik Keflavik Intl

Fri 10/4

07:55-16:25

1 stop7h 30m

London Heathrow

Sat 25/4

21:25-23:35

Nonstop3h 10m

£164

ReykjavikLondon

KEF - LHR

KEFLHR

Reykjavik Keflavik Intl

Sat 7/2

11:55-15:05

Nonstop3h 10m

London Heathrow

Mon 9/2

07:35-10:55

Nonstop3h 20m

£167

ReykjavikLondon

KEF - LHR

KEFLHR

Reykjavik Keflavik Intl

Mon 30/3

11:05-18:50

1 stop6h 45m

London Heathrow

Tue 7/4

21:25-23:35

Nonstop3h 10m

£167

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Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

Delays

Other information

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 Friday. momondo users have found tickets for Friday departures for as low as £179. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Monday as prices are generally higher than usual. According to our data, the average ticket price to London Heathrow Airport on Monday is £826.

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 £211. 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 £304 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?

You could potentially save up to 33% on your flight if you consider stops on a Iceland to London Heathrow Airport flight.

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	£169
Fastest flight time	3h 10m
Direct flights	Every day

The best one-way flight to London Heathrow Airport from Iceland in the past 72 hours is £169. The best return flight deal from Iceland to London Heathrow Airport found on momondo in the last 72 hours is £750.

The fastest flight from Iceland to London Heathrow Airport takes 3h 10m

Direct flights go from Iceland to London Heathrow Airport every day.

Search flight deals

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?
Based on momondo bookings for flights between Iceland and London Heathrow Airport, the leading plane model is Boeing 737 MAX 8, making up 19.49% of the total bookings. Other popular models include Airbus A321neo with 18.46%, Airbus A320-100/200 with 15.90%, and Airbus A320neo with 14.87%.

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Northampton

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Ipswich

Ilford

Poole

Guildford

Swanage

Hayes

Chelmsford

Dover

Worthing

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.

An easier way to manage your London Heathrow Airport trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

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Cheap flights from Iceland to London from £62

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 5/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names, great deals

Big names, great deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Iceland to London

Recent return flight deals from Iceland to London

Recent one-way flight deals from Iceland to London

Recent last minute flight deals from Iceland to London

Recent direct flight deals from Iceland to London

British Airways flights from Iceland to London Heathrow Airport

Our best British Airways deals on Iceland to London Heathrow Airport flight tickets

Scandinavian Airlines flights from Iceland to London Heathrow Airport

Our best Scandinavian Airlines deals on Iceland to London Heathrow Airport flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Iceland to London Heathrow Airport that are best for you.

See travel insights to London from

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

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

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

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?

You could potentially save up to 33% on your flight if you consider stops on a Iceland to London Heathrow Airport flight.

What is the cheapest airline that flies from Iceland to London Heathrow?

British Airways and KLM are the most popular carriers operating from Iceland to London Heathrow

How often are flights from Iceland to London delayed?

Historically, on average around 11% of flights between Iceland and London have experienced a delay on any given week. The average delay length over the past 12 months has been 125 minutes.

What is the most punctual flight time for Iceland to London flights?

Generally, flights departing in the evening tend to experience fewer delays. Flights departing in the morning have, in the past, seen delays more frequently in comparison.

What day of the week experiences the fewest flight delays on this route?

Monday is statistically the day of the week that experiences the fewest delays on this flight route. Wednesday has historically seen more delays on average compared to the rest of the week.

Which airline has the best punctuality record on Iceland to London flights?

According to our data, Icelandair have had the fewest delays on this route over the last 12 months, with about 11% of their flights experiencing any sort of delay.

How many flights depart from Iceland to London Heathrow Airport on average per day?

As of December 2025, 9 flights take off from Iceland and land in London Heathrow Airport each day. The most common flight departure time for this route is 07:00, with 71% of daily flights taking off at midday.

How many flights depart from Iceland to London Heathrow Airport on average per week?

As of December 2025, 63 flights take off from Iceland and land in London Heathrow Airport each week. The most common flight departure day for this route is Fri, with 22% of weekly flights taking off on this day.

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

Fastest flight time

Direct flights

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

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

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

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

Travelling to a place near London?

Why use momondo?

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

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

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

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

An easier way to manage your London Heathrow Airport trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to London

Popular Cities in the United Kingdom

Popular flights according to clicks in the last 7 days on momondo