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Cheap flights from London Heathrow Airport to Iceland from £95

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 31/10. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — KEF
21 Jul — 28 Jul1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Heathrow to Iceland

Enter your travel dates to find the best prices.

Cheapest flights from Heathrow to Iceland
Explore the most affordable flight options available from Heathrow to Iceland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 June 2026.

Sat 5/910:35
LHR
-
KEF
1 stop24h 15m
Scandinavian Airlines
Sat 12/918:35
KEF
-
LHR
1 stop20h 50m
Scandinavian Airlines
Deal found 16/6£187
Tue 17/1106:30
LHR
-
KEF
1 stop7h 15m
KLM
Sat 21/1114:45
KEF
-
LHR
1 stop16h 55m
KLM
Deal found 17/6£190
Tue 1/907:05
LHR
-
KEF
1 stop28h 20m
Scandinavian Airlines
Sun 6/910:40
KEF
-
LHR
1 stop21h 55m
Scandinavian Airlines
Deal found 16/6£190
Thu 10/906:40
LHR
-
KEF
1 stop10h 35m
Scandinavian Airlines
Sat 19/918:35
KEF
-
LHR
1 stop20h 50m
Scandinavian Airlines
Deal found 16/6£192
Sat 24/1010:35
LHR
-
KEF
1 stop26h 05m
Scandinavian Airlines
Wed 28/1011:30
KEF
-
LHR
1 stop22h 05m
Scandinavian Airlines
Deal found 19/6£193
Fri 13/1120:35
LHR
-
KEF
Nonstop3h 20m
Multiple Airlines
Mon 16/1111:35
KEF
-
LHR
1 stop22h 00m
Multiple Airlines
Deal found 20/6£195
Wed 7/1019:50
LHR
-
KEF
1 stop13h 00m
Scandinavian Airlines
Tue 13/1017:05
KEF
-
LHR
1 stop15h 15m
Scandinavian Airlines
Deal found 18/6£196
Sat 28/1116:25
LHR
-
KEF
1 stop21h 20m
KLM
Tue 1/1214:45
KEF
-
LHR
1 stop6h 05m
KLM
Deal found 20/6£196
Sat 14/1106:40
LHR
-
KEF
1 stop9h 40m
Scandinavian Airlines
Tue 17/1112:10
KEF
-
LHR
1 stop21h 25m
Scandinavian Airlines
Deal found 19/6£198
Fri 14/807:05
LHR
-
KEF
1 stop11h 10m
Scandinavian Airlines
Sat 22/817:10
KEF
-
LHR
1 stop15h 10m
Scandinavian Airlines
Deal found 19/6£199
Thu 20/807:05
LHR
-
KEF
1 stop25h 00m
Scandinavian Airlines
Sun 23/818:00
KEF
-
LHR
1 stop22h 40m
Scandinavian Airlines
Deal found 20/6£199
Sat 7/1117:50
LHR
-
KEF
1 stop19h 55m
KLM
Mon 16/1114:45
KEF
-
LHR
1 stop16h 55m
KLM
Deal found 16/6£201

Find flight deals from Heathrow to Iceland

Keep the following information in mind while searching for Heathrow to Iceland flight deals. Data was last updated 21 June 2026.

Round-trip from

£187

One-way from

£95

Popular in

July

Cheapest in

January

Average price

£236

Good round-trip deal

£386 or less

Good one-way deal

£233 or less
Scandinavian Airlines
  • Scandinavian Airlines
  • 5/9-12/9
  • 2 total stops
  • 45h 05m total
  • London to Iceland
Search Deals
British Airways
  • British Airways
  • 31/10
  • Nonstop
  • 3h 20m total
  • London to Iceland
Search Deals
Highest demand for flights based on searches. 27% potential increase in price (£55 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (£8 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 2026
Search Deals
Price to beat on a round-trip flight from London Heathrow to Iceland.
Search Deals
Price to beat on a one-way flight from London Heathrow to Iceland.
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Heathrow to Iceland 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 June 2026.
Use the filters below to find and compare flights from London Heathrow Airport to Iceland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonReykjavik

LHR - KEF

LHRKEF

London Heathrow

Thu 8/10

21:25-23:35

Nonstop3h 10m

Reykjavik Keflavik Intl

Tue 20/10

07:40-11:55

Nonstop3h 15m

£219
Fastest return journey

LondonReykjavik

LHR - KEF

LHRKEF

London Heathrow

Mon 9/11

07:35-10:55

Nonstop3h 20m

Reykjavik Keflavik Intl

Sun 15/11

17:55-20:55

Nonstop3h 00m

£228

LondonReykjavik

LHR - KEF

LHRKEF

London Heathrow

Thu 5/11

19:30-10:50

1 stop15h 20m

Reykjavik Keflavik Intl

Fri 13/11

18:05-09:20

1 stop15h 15m

£239

LondonReykjavik

LHR - KEF

LHRKEF

London Heathrow

Fri 16/10

07:05-08:45

1 stop26h 40m

Reykjavik Keflavik Intl

Tue 27/10

18:05-18:30

1 stop24h 25m

£254

LondonReykjavik

LHR - KEF

LHRKEF

London Heathrow

Thu 8/10

10:20-16:15

1 stop6h 55m

Reykjavik Keflavik Intl

Tue 20/10

17:05-09:20

1 stop15h 15m

£256

LondonReykjavik

LHR - KEF

LHRKEF

London Heathrow

Sun 23/8

21:25-23:35

Nonstop3h 10m

Reykjavik Keflavik Intl

Tue 1/9

07:40-11:55

Nonstop3h 15m

£266

LondonReykjavik

LHR - KEF

LHRKEF

London Heathrow

Thu 1/10

21:25-23:35

Nonstop3h 10m

Reykjavik Keflavik Intl

Sat 10/10

07:40-11:55

Nonstop3h 15m

£288

LondonReykjavik

LHR - KEF

LHRKEF

London Heathrow

Sat 22/8

10:35-17:45

1 stop8h 10m

Reykjavik Keflavik Intl

Sun 30/8

10:30-09:20

1 stop21h 50m

£320

LondonReykjavik

LHR - KEF

LHRKEF

London Heathrow

Wed 30/9

09:55-19:00

1 stop10h 05m

Reykjavik Keflavik Intl

Wed 7/10

11:15-20:55

2 stops8h 40m

£356

LondonReykjavik

LHR - KEF

LHRKEF

London Heathrow

Tue 4/8

10:35-17:20

1 stop7h 45m

Reykjavik Keflavik Intl

Sun 9/8

10:30-18:30

1 stop7h 00m

£381

Flights are sorted by cheapest return flights first.

Deals found on 19/6

Showing 1-10 of 22 resultsSorted by cheapest first
1
2
3

Best time to book a flight from Heathrow to Iceland

Have a flexible travel schedule? Discover the best time to fly to Iceland from Heathrow 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 London Heathrow Airport to Iceland

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

Currently, December is the cheapest month in which you can book a flight from London Heathrow Airport to Iceland (average of £49). Flying from London Heathrow Airport to Iceland in July is currently the most expensive (average of £168). 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 LHR to IS?

Find hourly flight availability from Heathrow to Iceland. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 21 June 2026.

When flying from London Heathrow Airport to Iceland, 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 London Heathrow Airport to Iceland

Explore weekly flight availability from Heathrow to Iceland. 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 June 2026.

The most flights from LHR to IS0 are scheduled on a Friday (14 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (5 on average).

How often are flights from London to Iceland delayed?

About 9% of weekly flights between London and Iceland have experienced delays in the past year, with the average delay time being 110 minutes.

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

Historically, flights departing in the evening are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.

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

Monday tends to have the lowest number of delays on this route, whereas Wednesday has historically faced a higher average of delays compared to other days of the week.

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

Over the past year, British Airways have had the lowest number of delays on this route, with just 8% of flights being delayed.

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

The price you pay for your flight from London Heathrow Airport to Iceland may vary depending on when you book. For the best chance of a lower fare, look to book 74 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

Reviews of airlines servicing Iceland

Get insights into the airlines that provide service to Iceland. 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 Iceland. Reviews last updated 21 June 2026.
Check out reviews from past customers who have flown with Scandinavian Airlines,Icelandair, andeasyJet from London Heathrow Airport to Iceland to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Scandinavian Airlines
7.4
Good
1,846 reviews
Check prices

Comfort

7.3

Crew

8.0

Entertainment

6.7

Boarding

7.7

Food

6.7

Overall

7.4

Reviews

1 / 20
8.0
Excellent

Abouzar,May 2026

IST - CPH

Food menu was bad, I like how smooth flight it was.
Scandinavian Airlines
7.4
Good
1,846 reviews
Scandinavian Airlines
7.4
Good
1,846 reviews
Check prices

Comfort

7.3

Crew

8.0

Entertainment

6.7

Boarding

7.7

Food

6.7

Overall

7.4

Reviews

1 / 20
8.0
Excellent

Abouzar,May 2026

IST - CPH

Food menu was bad, I like how smooth flight it was.
Icelandair
7.0
Good
680 reviews
Scandinavian Airlines
7.4
Good
1,846 reviews
Check prices

Comfort

7.3

Crew

8.0

Entertainment

6.7

Boarding

7.7

Food

6.7

Overall

7.4

Reviews

1 / 20
8.0
Excellent

Abouzar,May 2026

IST - CPH

Food menu was bad, I like how smooth flight it was.
easyJet
6.9
Okay
1,910 reviews
Scandinavian Airlines
7.4
Good
1,846 reviews
Check prices

Comfort

7.3

Crew

8.0

Entertainment

6.7

Boarding

7.7

Food

6.7

Overall

7.4

Reviews

1 / 20
8.0
Excellent

Abouzar,May 2026

IST - CPH

Food menu was bad, I like how smooth flight it was.
British Airways
6.7
Okay
8,064 reviews
Scandinavian Airlines
7.4
Good
1,846 reviews
Check prices

Comfort

7.3

Crew

8.0

Entertainment

6.7

Boarding

7.7

Food

6.7

Overall

7.4

Reviews

1 / 20
8.0
Excellent

Abouzar,May 2026

IST - CPH

Food menu was bad, I like how smooth flight it was.

Related info for your journey

Find useful and relevant information for your journey from Heathrow to Iceland. 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 London Heathrow Airport to Iceland?

    For as low as £219, Icelandair can have you in Iceland from London Heathrow Airport in 3h 10m. Airlines will cover a distance of 1177 mi. Both multi-stop and direct flights can be found to your destination and back.

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

    The top 3 most reliable airlines when flying from London Heathrow Airport to Iceland are Turkish Airlines (93%), Icelandair (93%) and Emirates (93%).

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

    Looking for the cheapest flight from London Heathrow Airport to Iceland? While on average our users pay £820, our data indicates the cheapest price to be £115. The most popular route (London Heathrow - Reykjavik Keflavik Intl), is priced around £131.

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

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

  • How can I find direct flights from Heathrow to Iceland?

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

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

    Yes. Cheapflights offers flight deals from Heathrow to Iceland 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 London Heathrow Airport to Iceland?

    Currently, December is the cheapest month in which you can book a flight from London Heathrow Airport to Iceland (average of £49). Flying from London Heathrow Airport to Iceland in July is currently the most expensive (average of £168). 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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Heathrow to Iceland

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from Heathrow to Iceland

Discover the top 3 airlines that operate flights from Heathrow to Iceland. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 21 June 2026.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest£121Average£278FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
British AirwaysCheapest£135Average£248FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Scandinavian AirlinesCheapest£170Average£358FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Iceland from Heathrow today with Cheapflights!

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

Millions of users choose and trust Cheapflights to book the best flight deals from Heathrow to Iceland for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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

Certainly. Search results for flights to Iceland from Heathrow shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

Yes! Start tracking prices for Heathrow to Iceland flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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