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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 11/6. Fares are subject to change and may not be available on all flights or dates of travel.
KEF — LHR
31 Mar — 7 Apr1
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 26 March 2025.

Round-trip from

£140

One-way from

£73

Good round-trip deal

£133 or less

Good one-way deal

£120 or less
British Airways
  • British Airways
  • 8/5-11/5
  • Nonstop
  • 6h 15m total
  • Iceland to London
Search Deals
Scandinavian Airlines
  • Scandinavian Airlines
  • 11/6
  • 1 total stop
  • 6h 45m total
  • Iceland to London
Search Deals
Price to beat on a round-trip flight from Iceland to London Heathrow.
Search Deals
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 26 March 2025.

Sat 8/1111:50KEF - LHR
Nonstop3h 15mBritish Airways
Tue 11/1107:35LHR - KEF
Nonstop3h 20mBritish Airways
Deal found 25/3£132
Mon 19/511:05KEF - LHR
1 stop9h 30mScandinavian Airlines
Thu 22/517:30LHR - KEF
1 stop14h 35mScandinavian Airlines
Deal found 25/3£160
Thu 8/501:15KEF - LHR
1 stop17h 25mLufthansa
Wed 14/517:30LHR - KEF
1 stop7h 05mLufthansa
Deal found 25/3£172
Thu 24/415:50KEF - LHR
1 stop28h 50mMultiple Airlines
Mon 28/407:40LHR - KEF
Nonstop3h 05mMultiple Airlines
Deal found 25/3£173
Sat 4/1007:40KEF - LHR
Nonstop3h 15mIcelandair
Thu 9/1021:25LHR - KEF
Nonstop3h 10mIcelandair
Deal found 25/3£203
Fri 3/1000:10KEF - LHR
1 stop7h 10mAustrian Airlines
Sun 12/1010:25LHR - KEF
1 stop13h 55mAustrian Airlines
Deal found 25/3£222

Cheapflights Fare Finder

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 26 March 2025.
Use the filters below to find and compare flights from Iceland to London Heathrow Airport that are best for you.

Fly from

Iceland

Fly to

Heathrow

Route

Depart

Return

Price

ReykjavikLondon

KEF - LHR

KEFLHR

Reykjavik Keflavik Intl

Thu 8/5

10:30-14:40

Nonstop3h 10m

London Heathrow

Sun 11/5

07:25-09:30

Nonstop3h 05m

£140

ReykjavikLondon

KEF - LHR

KEFLHR

Reykjavik Keflavik Intl

Mon 19/5

11:05-21:35

1 stop9h 30m

London Heathrow

Thu 22/5

17:30-07:05

1 stop14h 35m

£160

ReykjavikLondon

KEF - LHR

KEFLHR

Reykjavik Keflavik Intl

Thu 8/5

01:15-19:40

1 stop17h 25m

London Heathrow

Wed 14/5

17:30-23:35

1 stop7h 05m

£172

ReykjavikLondon

KEF - LHR

KEFLHR

Reykjavik Keflavik Intl

Thu 24/4

15:50-21:40

1 stop28h 50m

London Heathrow

Mon 28/4

07:40-09:45

Nonstop3h 05m

£173

ReykjavikLondon

KEF - LHR

KEFLHR

Reykjavik Keflavik Intl

Fri 9/5

16:10-20:20

Nonstop3h 10m

London Heathrow

Wed 14/5

21:25-23:35

Nonstop3h 10m

£208

ReykjavikLondon

KEF - LHR

KEFLHR

Reykjavik Keflavik Intl

Wed 11/6

11:05-18:50

1 stop6h 45m

£73

ReykjavikLondon

KEF - LHR

KEFLHR

Reykjavik Keflavik Intl

Sat 17/5

00:15-07:20

1 stop30h 05m

£90

ReykjavikLondon

KEF - LHR

KEFLHR

Reykjavik Keflavik Intl

Sun 7/9

10:20-14:30

Nonstop3h 10m

£128

ReykjavikLondon

KEF - LHR

KEFLHR

Reykjavik Keflavik Intl

Sun 18/5

16:10-20:20

Nonstop3h 10m

£140

ReykjavikLondon

KEF - LHR

KEFLHR

Reykjavik Keflavik Intl

Thu 24/4

09:05-08:15

2 stops46h 10m

£145

Flights are sorted by cheapest return flights first.

Deals found on 25/3

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.

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?

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 26 March 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.

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 26 March 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
1,318 reviews
Check prices

Crew

8.4

Food

7.3

Overall

7.8

Comfort

7.7

Boarding

7.8

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
KLM
7.8
Good
1,318 reviews
KLM
7.8
Good
1,318 reviews
Check prices

Crew

8.4

Food

7.3

Overall

7.8

Comfort

7.7

Boarding

7.8

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
Austrian Airlines
7.5
Good
769 reviews
KLM
7.8
Good
1,318 reviews
Check prices

Crew

8.4

Food

7.3

Overall

7.8

Comfort

7.7

Boarding

7.8

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
SWISS
7.5
Good
1,569 reviews
KLM
7.8
Good
1,318 reviews
Check prices

Crew

8.4

Food

7.3

Overall

7.8

Comfort

7.7

Boarding

7.8

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
Scandinavian Airlines
7.3
Good
1,325 reviews
KLM
7.8
Good
1,318 reviews
Check prices

Crew

8.4

Food

7.3

Overall

7.8

Comfort

7.7

Boarding

7.8

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
Icelandair
7.0
Good
474 reviews
KLM
7.8
Good
1,318 reviews
Check prices

Crew

8.4

Food

7.3

Overall

7.8

Comfort

7.7

Boarding

7.8

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.

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 Scandinavian Airlines. According to our data, you can fly for as low as £73. Users have also found prices from £128 and £140 on British Airways and Icelandair, 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: American Airlines (93%), British Airways (93%), Qatar Airways (86%).

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

    The cheapest flight price from Iceland to London Heathrow Airport is £78. On average you can expect to pay £513. The most popular route, (Reykjavik Keflavik Intl - London Heathrow), can usually be booked for £140.

  • 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.

See more FAQs

Travelling to a place near Iceland?

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

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Fly with Cheapflights

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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?

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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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