How long is the flight from Iceland to London Heathrow Airport?

Airlines like British Airways fly from Iceland to London Heathrow Airport in about 3h. The time it takes to get you to your destination is usually consistent. The distance from Iceland to London Heathrow Airport is about 1177 mi. All flights are typically direct.

In terms of precipitation, rainfall in London Heathrow Airport ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London Heathrow Airport when rainfall is around 40.0 mm.

If weather is an important factor for your trip to London Heathrow Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

What are the cheapest flights from Iceland to London Heathrow Airport?

The cheapest flight price from Iceland to London Heathrow Airport is £72. On average you can expect to pay £285. The most popular route, (Reykjavik Keflavik Intl - London Heathrow), can usually be booked for £132.

What are the most reliable airlines from Iceland to London Heathrow Airport?

Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Iceland to London Heathrow Airport on time: Turkish Airlines (93%), Icelandair (88%), Emirates (87%).

How far in advance should I book a flight from Iceland to London Heathrow Airport?

Users have found that booking a flight from Iceland to London Heathrow Airport at least 52 days early can save you up to 207% on average compared to booking a flight this week. If booking 52 days before your flight isn’t an option for you, users have found flights from Iceland to London Heathrow Airport for as little as £95 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as £164 for flights departing within the next 3 days.

What is the cheapest month to fly from Iceland to London Heathrow Airport?

Our data shows that March tends to be the cheapest month to fly to London Heathrow Airport from Iceland. Users have commonly found prices around £153 for the month, but tickets can be as low as £41. Due to multiple factors, prepare for potentially higher prices in June.

Can I find deals for flights from Iceland to Heathrow that include hotel bookings?

Yes. In addition to deals on Iceland to Heathrow flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from Iceland to Heathrow?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Iceland to Heathrow.

Can I find deals for business class flights from Iceland to Heathrow?

Yes. Cheapflights offers flight deals from Iceland to Heathrow by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

£73+ Flights from Iceland to London Heathrow Airport

Cheap flight deals from Iceland to Heathrow

Round-trip from	£132
One-way from	£73
Popular in	June
Cheapest in	March
Average price	£195
Good round-trip deal	£180 or less
Good one-way deal	£260 or less

British Airways
23/1-25/1
Nonstop
6h 25m total
Iceland to London

Search Deals

Scandinavian Airlines
1/12
1 total stop
5h 50m total
Iceland to London

Search Deals

Highest demand for flights based on searches. 30% potential increase in price (£48 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 6% potential price decrease (£7 potential savings vs. average return price).

Search Deals

Average for round-trip flights in August 2025

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Price to beat on a round-trip flight from Iceland to London Heathrow.

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Price to beat on a one-way flight from Iceland to London Heathrow.

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Find flight deals from Iceland to Heathrow

Cheapest flights from Iceland to Heathrow
Explore the most affordable flight options available from Iceland to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 25 August 2025.

Sat 20/1219:30KEF - LHR

1 stop14h 05mScandinavian Airlines

Fri 2/119:50LHR - KEF

1 stop14h 25mScandinavian Airlines

Deal found 23/8£141

Thu 13/1111:45KEF - LHR

Nonstop3h 10mBritish Airways

Thu 20/1107:25LHR - KEF

Nonstop3h 20mBritish Airways

Deal found 24/8£145

Sat 20/1219:30KEF - LHR

1 stop14h 05mMultiple Airlines

Mon 5/120:35LHR - KEF

Nonstop3h 20mMultiple Airlines

Deal found 22/8£156

Thu 13/1111:30KEF - LHR

1 stop7h 20mScandinavian Airlines

Thu 20/1119:30LHR - KEF

1 stop15h 15mScandinavian Airlines

Deal found 24/8£157

Mon 27/1011:50KEF - LHR

Nonstop3h 10mBritish Airways

Sun 2/1107:20LHR - KEF

Nonstop3h 20mBritish Airways

Deal found 23/8£162

Sat 20/1219:30KEF - LHR

1 stop14h 05mMultiple Airlines

Fri 2/107:35LHR - KEF

Nonstop3h 20mMultiple Airlines

Deal found 23/8£163

Sat 20/1211:55KEF - LHR

Nonstop3h 10mBritish Airways

Mon 5/107:35LHR - KEF

Nonstop3h 20mBritish Airways

Deal found 22/8£164

Wed 12/1111:30KEF - LHR

1 stop6h 10mScandinavian Airlines

Thu 20/1119:30LHR - KEF

1 stop15h 15mScandinavian Airlines

Deal found 23/8£168

Wed 12/1111:50KEF - LHR

Nonstop3h 10mBritish Airways

Thu 20/1107:25LHR - KEF

Nonstop3h 20mBritish Airways

Deal found 24/8£168

Tue 7/1017:10KEF - LHR

1 stop15h 10mMultiple Airlines

Tue 14/1021:25LHR - KEF

Nonstop3h 10mMultiple Airlines

Deal found 22/8£173

Best flights from Iceland to Heathrow
Discover carefully curated flight deals from Iceland to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 25 August 2025.

Fri 23/118:10KEF - LHR

Nonstop3h 00mBritish Airways

Sun 25/113:40LHR - KEF

Nonstop3h 25mBritish Airways

Deal found 23/8£132

Sat 20/1219:30KEF - LHR

1 stop14h 05mScandinavian Airlines

Fri 2/119:50LHR - KEF

1 stop14h 25mScandinavian Airlines

Deal found 23/8£141

Mon 22/1219:30KEF - LHR

1 stop14h 05mMultiple Airlines

Mon 5/120:35LHR - KEF

Nonstop3h 20mMultiple Airlines

Deal found 22/8£156

Thu 13/1111:45KEF - LHR

Nonstop3h 10mBritish Airways

Thu 20/1107:25LHR - KEF

Nonstop3h 20mBritish Airways

Deal found 24/8£145

Sun 21/1219:30KEF - LHR

1 stop14h 05mMultiple Airlines

Mon 5/120:35LHR - KEF

Nonstop3h 20mMultiple Airlines

Deal found 22/8£156

Thu 13/1111:30KEF - LHR

1 stop7h 20mScandinavian Airlines

Thu 20/1119:30LHR - KEF

1 stop15h 15mScandinavian Airlines

Deal found 24/8£157

Fri 30/111:50KEF - LHR

Nonstop3h 10mBritish Airways

Tue 3/207:35LHR - KEF

Nonstop3h 20mBritish Airways

Deal found 22/8£145

Sat 20/1219:30KEF - LHR

1 stop14h 05mMultiple Airlines

Mon 5/120:35LHR - KEF

Nonstop3h 20mMultiple Airlines

Deal found 22/8£156

Mon 27/1011:50KEF - LHR

Nonstop3h 10mBritish Airways

Sun 2/1107:20LHR - KEF

Nonstop3h 20mBritish Airways

Deal found 23/8£162

Direct flights from Iceland to Heathrow
Explore direct flight options from Iceland to Heathrow based on user searches, and compare prices and availability for your desired travel dates. Data last updated 25 August 2025.

Fri 23/118:10KEF - LHR

Nonstop3h 00mBritish Airways

Sun 25/113:40LHR - KEF

Nonstop3h 25mBritish Airways

Deal found 23/8£132

Fri 30/111:50KEF - LHR

Nonstop3h 10mBritish Airways

Tue 3/207:35LHR - KEF

Nonstop3h 20mBritish Airways

Deal found 24/8£145

Mon 27/1011:50KEF - LHR

Nonstop3h 10mBritish Airways

Sun 2/1107:20LHR - KEF

Nonstop3h 20mBritish Airways

Deal found 23/8£162

Sat 20/1211:55KEF - LHR

Nonstop3h 10mBritish Airways

Mon 5/107:35LHR - KEF

Nonstop3h 20mBritish Airways

Deal found 22/8£164

Mon 27/1011:50KEF - LHR

Nonstop3h 10mBritish Airways

Thu 30/1007:25LHR - KEF

Nonstop3h 20mBritish Airways

Deal found 24/8£168

Sun 21/1217:55KEF - LHR

Nonstop3h 00mBritish Airways

Mon 5/107:35LHR - KEF

Nonstop3h 20mBritish Airways

Deal found 22/8£177

Mon 22/1211:50KEF - LHR

Nonstop3h 10mBritish Airways

Mon 5/107:35LHR - KEF

Nonstop3h 20mBritish Airways

Deal found 22/8£189

Thu 30/1011:45KEF - LHR

Nonstop3h 10mMultiple Airlines

Thu 30/1020:35LHR - KEF

Nonstop3h 20mMultiple Airlines

Deal found 24/8£193

Wed 12/1116:20KEF - LHR

Nonstop3h 10mIcelandair

Thu 20/1120:35LHR - KEF

Nonstop3h 20mIcelandair

Deal found 23/8£194

Last-minute flights from Iceland to Heathrow
Discover last-minute flight deals from Iceland to Heathrow. Data last updated 25 August 2025 and is based on user searches.

Mon 1/911:05KEF - LHR

1 stop9h 30mMultiple Airlines

Sat 6/907:05LHR - KEF

Nonstop3h 05mMultiple Airlines

Deal found 22/8£226

Mon 1/911:05KEF - LHR

1 stop9h 30mMultiple Airlines

Sun 7/907:25LHR - KEF

Nonstop3h 05mMultiple Airlines

Deal found 22/8£230

Wed 3/911:05KEF - LHR

1 stop6h 45mMultiple Airlines

Sun 7/907:25LHR - KEF

Nonstop3h 05mMultiple Airlines

Deal found 24/8£225

Thu 4/911:05KEF - LHR

1 stop6h 45mScandinavian Airlines

Thu 4/921:05LHR - KEF

2 stops38h 05mScandinavian Airlines

Deal found 23/8£245

Tue 9/917:10KEF - LHR

1 stop21h 50mMultiple Airlines

Sat 13/921:25LHR - KEF

Nonstop3h 10mMultiple Airlines

Deal found 24/8£192

Mon 22/911:05KEF - LHR

1 stop9h 30mScandinavian Airlines

Thu 2/1006:40LHR - KEF

1 stop10h 40mScandinavian Airlines

Deal found 23/8£191

Thu 25/919:00KEF - LHR

1 stop11h 40mKLM

Sun 28/911:45LHR - KEF

1 stop8h 25mKLM

Deal found 24/8£224

Fri 26/910:20KEF - LHR

2 stops10h 00mScandinavian Airlines

Thu 2/1006:40LHR - KEF

1 stop10h 40mScandinavian Airlines

Deal found 24/8£237

One-way flights from Iceland to Heathrow
Search for one-way flight options from Iceland to Heathrow. Find affordable one-way fares based on user searches. Data last updated 25 August 2025.

Mon 1/1213:00KEF - LHR

1 stop5h 50mScandinavian Airlines

Deal found 24/8£73

Sat 24/111:55KEF - LHR

Nonstop3h 10mBritish Airways

Deal found 24/8£74

Wed 22/1011:05KEF - LHR

1 stop6h 45mScandinavian Airlines

Deal found 23/8£75

Tue 18/1111:30KEF - LHR

1 stop10h 10mScandinavian Airlines

Deal found 24/8£78

Mon 10/1113:00KEF - LHR

2 stops8h 20mScandinavian Airlines

Deal found 24/8£79

Thu 23/1010:30KEF - LHR

Nonstop3h 10mBritish Airways

Deal found 23/8£81

Thu 23/1011:05KEF - LHR

1 stop6h 45mScandinavian Airlines

Deal found 23/8£82

Tue 2/1211:30KEF - LHR

1 stop7h 00mScandinavian Airlines

Deal found 23/8£84

Wed 1/1019:50KEF - LHR

1 stop10h 50mKLM

Deal found 24/8£86

Sat 13/917:10KEF - LHR

1 stop15h 10mScandinavian Airlines

Deal found 24/8£90

Fri 31/1018:10KEF - LHR

Nonstop3h 00mBritish Airways

Deal found 25/8£91

Cheapflights 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

Fri 23/1

18:10-21:10

Nonstop3h 00m

London Heathrow

Sun 25/1

13:40-17:05

Nonstop3h 25m

£132

ReykjavikLondon

KEF - LHR

KEFLHR

Reykjavik Keflavik Intl

Sat 20/12

19:30-09:35

1 stop14h 05m

London Heathrow

Fri 2/1

19:50-10:15

1 stop14h 25m

£141

ReykjavikLondon

KEF - LHR

KEFLHR

Reykjavik Keflavik Intl

Thu 13/11

11:45-14:55

Nonstop3h 10m

London Heathrow

Thu 20/11

07:25-10:45

Nonstop3h 20m

£145

ReykjavikLondon

KEF - LHR

KEFLHR

Reykjavik Keflavik Intl

Fri 30/1

11:50-15:00

Nonstop3h 10m

London Heathrow

Tue 3/2

07:35-10:55

Nonstop3h 20m

£145

ReykjavikLondon

KEF - LHR

KEFLHR

Reykjavik Keflavik Intl

Mon 22/12

19:30-09:35

1 stop14h 05m

London Heathrow

Mon 5/1

20:35-23:55

Nonstop3h 20m

£156

ReykjavikLondon

KEF - LHR

KEFLHR

Reykjavik Keflavik Intl

Sun 21/12

19:30-09:35

1 stop14h 05m

London Heathrow

Mon 5/1

20:35-23:55

Nonstop3h 20m

£156

ReykjavikLondon

KEF - LHR

KEFLHR

Reykjavik Keflavik Intl

Sat 20/12

19:30-09:35

1 stop14h 05m

London Heathrow

Mon 5/1

20:35-23:55

Nonstop3h 20m

£156

ReykjavikLondon

KEF - LHR

KEFLHR

Reykjavik Keflavik Intl

Thu 13/11

11:30-18:50

1 stop7h 20m

London Heathrow

Thu 20/11

19:30-10:45

1 stop15h 15m

£157

ReykjavikLondon

KEF - LHR

KEFLHR

Reykjavik Keflavik Intl

Mon 27/10

11:50-15:00

Nonstop3h 10m

London Heathrow

Sun 2/11

07:20-10:40

Nonstop3h 20m

£162

ReykjavikLondon

KEF - LHR

KEFLHR

Reykjavik Keflavik Intl

Mon 1/12

13:00-18:50

1 stop5h 50m

£73

Flights are sorted by cheapest return flights first.

Deals found on 24/8

Showing 1-10 of 20 results

Best time to book a flight from Iceland to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Iceland with our price prediction graph.

Estimated return price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Iceland to London Heathrow Airport

What is the cheapest month to book a flight from Iceland to London Heathrow Airport?

Currently, January is the cheapest month in which you can book a flight from Iceland to London Heathrow Airport (average of £112). Flying from Iceland to London Heathrow Airport in August is currently the most expensive (average of £164). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from IS to LHR?

When flying from Iceland to London Heathrow Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from Iceland to London Heathrow Airport

The most flights from IS0 to LHR are scheduled on a Thursday (13 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (8 on average).

Related info for your journey

How long is the flight from Iceland to London Heathrow Airport?
Airlines like British Airways fly from Iceland to London Heathrow Airport in about 3h. The time it takes to get you to your destination is usually consistent. The distance from Iceland to London Heathrow Airport is about 1177 mi. All flights are typically direct.
What are the most reliable airlines from Iceland to London Heathrow Airport?
Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Iceland to London Heathrow Airport on time: Turkish Airlines (93%), Icelandair (88%), Emirates (87%).
What are the cheapest flights from Iceland to London Heathrow Airport?
The cheapest flight price from Iceland to London Heathrow Airport is £72. On average you can expect to pay £285. The most popular route, (Reykjavik Keflavik Intl - London Heathrow), can usually be booked for £132.
Can I find deals for flights from Iceland to Heathrow that include hotel bookings?
Yes. In addition to deals on Iceland to Heathrow flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Iceland to Heathrow?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Iceland to Heathrow.
Can I find deals for business class flights from Iceland to Heathrow?
Yes. Cheapflights offers flight deals from Iceland to Heathrow by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Iceland to London Heathrow Airport?
Currently, January is the cheapest month in which you can book a flight from Iceland to London Heathrow Airport (average of £112). Flying from Iceland to London Heathrow Airport in August is currently the most expensive (average of £164). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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How does Cheapflights help users find flights from Iceland to Heathrow?

Cheapflights makes it easy to find Iceland to Heathrow flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Iceland to Heathrow?

Cheapflights simply makes it quick and affordable to book flights from Iceland to Heathrow by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Iceland to Heathrow with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Iceland to Heathrow, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Iceland to Heathrow become cheaper?

Not ready to book yet? You can track prices for flights from Iceland to Heathrow on Cheapflights with our Price Alert feature and get notified when better prices are available.

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Cheap flights from Iceland to London Heathrow Airport from £73

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/12. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Iceland to Heathrow

Keep the following information in mind while searching for Iceland to Heathrow flight deals. Data was last updated 25 August 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from Iceland to Heathrow

Cheapest flights from Iceland to HeathrowExplore the most affordable flight options available from Iceland to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 25 August 2025.

Explore the most affordable flight options available from Iceland to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 25 August 2025.

Cheapflights Fare Finder

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

Best time to book a flight from Iceland to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Iceland with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Iceland to London Heathrow Airport

What is the cheapest month to book a flight from Iceland to London Heathrow Airport?

What is the cheapest time of day to fly from IS to LHR?

Find hourly flight availability from Iceland to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 25 August 2025.

Weekly flight availability from Iceland to London Heathrow Airport

Explore weekly flight availability from Iceland to Heathrow. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 25 August 2025.

Related info for your journey

Find useful and relevant information for your journey from Iceland to Heathrow. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

How long is the flight from Iceland to London Heathrow Airport?

What are the most reliable airlines from Iceland to London Heathrow Airport?

What are the cheapest flights from Iceland to London Heathrow Airport?

Can I find deals for flights from Iceland to Heathrow that include hotel bookings?

How can I find direct flights from Iceland to Heathrow?

Can I find deals for business class flights from Iceland to Heathrow?

What is the cheapest month to book a flight from Iceland to London Heathrow Airport?

Travelling to a place near London Heathrow Airport?

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Alternative routes for Iceland to Heathrow

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How does Cheapflights help users find flights from Iceland to Heathrow?

Why should you use Cheapflights to find cheap flight tickets from Iceland to Heathrow?

Can Cheapflights find flights from Iceland to Heathrow with no change fees?

Can Cheapflights notify me if prices for flights from Iceland to Heathrow become cheaper?

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Cheapest flights from Iceland to Heathrow
Explore the most affordable flight options available from Iceland to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 25 August 2025.