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Cheap flights from Iceland to London Heathrow Airport from £64

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 20/3. Fares are subject to change and may not be available on all flights or dates of travel.
KEF — LHR
26 feb. — 5 mar.1
1 adult

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 21 februar 2025.

Round-trip from

£125

One-way from

£64

Good round-trip deal

£163 or less

Good one-way deal

£139 or less
British Airways
  • British Airways
  • 20/3-23/3
  • Nonstop
  • 6h 35m total
  • Iceland to London
Search Deals
British Airways
  • British Airways
  • 20/3
  • Nonstop
  • 3h 15m total
  • Iceland to London
Search Deals
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 21 februar 2025.

to. 20/311:40KEF - LHR
Nonstop3h 15mBritish Airways
sø. 23/307:20LHR - KEF
Nonstop3h 20mBritish Airways
Deal found 20/2£125
on. 19/316:20KEF - LHR
Nonstop3h 10mIcelandair
ti. 25/320:40LHR - KEF
Nonstop3h 15mIcelandair
Deal found 20/2£135
on. 21/511:05KEF - LHR
1 stop6h 45mMultiple Airlines
sø. 25/521:25LHR - KEF
Nonstop3h 10mMultiple Airlines
Deal found 20/2£192
ti. 1/414:20KEF - LHR
1 stop6h 50mLufthansa
on. 9/407:25LHR - KEF
2 stops25h 55mLufthansa
Deal found 20/2£244
fr. 28/315:40KEF - LHR
1 stop6h 00mScandinavian Airlines
ma. 31/318:40LHR - KEF
1 stop15h 50mScandinavian Airlines
Deal found 20/2£252
ti. 3/609:25KEF - LHR
1 stop21h 30mSWISS
on. 6/820:05LHR - KEF
1 stop13h 15mSWISS
Deal found 20/2£273

Find flights from Iceland to Heathrow within your budget

Customise your flight search to find flights from Iceland to Heathrow 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, Cheapflights users made 858,174 searches. Data last updated 21 februar 2025.

Fly from

Iceland

Fly to

Heathrow

Route

Depart

Return

Price

ReykjavikLondon

KEF - LHR

KEFLHR

Reykjavik Keflavik Intl

to. 20/3

11:40-14:55

Nonstop3h 15m

London Heathrow

sø. 23/3

07:20-10:40

Nonstop3h 20m

£125

ReykjavikLondon

KEF - LHR

KEFLHR

Reykjavik Keflavik Intl

on. 19/3

16:20-19:30

Nonstop3h 10m

London Heathrow

ti. 25/3

20:40-23:55

Nonstop3h 15m

£135

ReykjavikLondon

KEF - LHR

KEFLHR

Reykjavik Keflavik Intl

on. 21/5

11:05-18:50

1 stop6h 45m

London Heathrow

sø. 25/5

21:25-23:35

Nonstop3h 10m

£192

ReykjavikLondon

KEF - LHR

KEFLHR

Reykjavik Keflavik Intl

ti. 1/4

14:20-22:10

1 stop6h 50m

London Heathrow

on. 9/4

07:25-08:20

2 stops25h 55m

£244

ReykjavikLondon

KEF - LHR

KEFLHR

Reykjavik Keflavik Intl

fr. 28/3

15:40-21:40

1 stop6h 00m

London Heathrow

ma. 31/3

18:40-09:30

1 stop15h 50m

£252

ReykjavikLondon

KEF - LHR

KEFLHR

Reykjavik Keflavik Intl

ti. 3/6

09:25-07:55

1 stop21h 30m

London Heathrow

on. 6/8

20:05-08:20

1 stop13h 15m

£273

ReykjavikLondon

KEF - LHR

KEFLHR

Reykjavik Keflavik Intl

to. 20/3

11:40-14:55

Nonstop3h 15m

£64

ReykjavikLondon

KEF - LHR

KEFLHR

Reykjavik Keflavik Intl

to. 22/5

11:05-18:50

1 stop6h 45m

£78

ReykjavikLondon

KEF - LHR

KEFLHR

Reykjavik Keflavik Intl

on. 12/3

18:10-14:25

1 stop20h 15m

£101

ReykjavikLondon

KEF - LHR

KEFLHR

Reykjavik Keflavik Intl

lø. 5/4

01:30-10:35

1 stop8h 05m

£102

Flights are sorted by cheapest return flights first.

Deals found on 20/2

Showing 1-10 of 15 results
1
2

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.

Travel insights for flights from Iceland to Heathrow

Get recent, data-driven insights about flights from Iceland to Heathrow including ideal travel times, pricing trends, and more.

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 £163). 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?

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 21 februar 2025.

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

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 21 februar 2025.

The most flights from IS0 to LHR are scheduled on a Friday (11 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (4 on average).

Rainfall in Heathrow by month

Plan your trip to Heathrow by taking into account the average rainfall totals by month.

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.

Temperature in Heathrow by month

Plan your trip to Heathrow by taking into account the average temperature totals by month.

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).

Reviews of airlines servicing Heathrow

Get insights into the airlines that provide service to Heathrow. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Heathrow. Reviews last updated 21 februar 2025.
Read reviews from past customers who have flown KLM, Austrian Airlines and SWISS from Iceland to London. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.8
Good
1,333 reviews
Check prices

Boarding

7.8

Entertainment

7.2

Comfort

7.7

Crew

8.4

Food

7.3

Overall

7.8

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

YWG - YYZ

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

KLM
7.8
Good
1,333 reviews
KLM
7.8
Good
1,333 reviews
Check prices

Boarding

7.8

Entertainment

7.2

Comfort

7.7

Crew

8.4

Food

7.3

Overall

7.8

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

YWG - YYZ

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

Austrian Airlines
7.6
Good
773 reviews
KLM
7.8
Good
1,333 reviews
Check prices

Boarding

7.8

Entertainment

7.2

Comfort

7.7

Crew

8.4

Food

7.3

Overall

7.8

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

YWG - YYZ

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

SWISS
7.5
Good
1,568 reviews
KLM
7.8
Good
1,333 reviews
Check prices

Boarding

7.8

Entertainment

7.2

Comfort

7.7

Crew

8.4

Food

7.3

Overall

7.8

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

YWG - YYZ

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

Scandinavian Airlines
7.3
Good
1,325 reviews
KLM
7.8
Good
1,333 reviews
Check prices

Boarding

7.8

Entertainment

7.2

Comfort

7.7

Crew

8.4

Food

7.3

Overall

7.8

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

YWG - YYZ

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

Icelandair
7.1
Good
491 reviews
KLM
7.8
Good
1,333 reviews
Check prices

Boarding

7.8

Entertainment

7.2

Comfort

7.7

Crew

8.4

Food

7.3

Overall

7.8

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

YWG - YYZ

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

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.

  • What are the cheapest airlines to fly from Iceland to London Heathrow Airport one-way?

    For one-way options, check prices for British Airways. According to our data, you can fly for as low as £64. Users have also found prices from £78 and £102 on Scandinavian Airlines and Iberia, respectively.

  • 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: Emirates (89%), American Airlines (77%), British Airways (77%).

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

    The cheapest flight price from Iceland to London Heathrow Airport is £82. On average you can expect to pay £596. The most popular route, (Reykjavik Keflavik Intl - London Heathrow), can usually be booked for £124.

  • 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 £163). 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.

See more FAQs

Travelling to a place near Iceland?

Book flights to Iceland if you plan to visit one of these locations
Deal
Hounslow
Milton Keynes
Croydon
Gatwick
Slough
Luton
Ilford
Hayes
Eastbourne
Swindon
Northampton
Wembley
Southend-on-Sea
Ipswich
Winchester
Maidstone
Crawley
Southall
Watford

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

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

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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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