Cheap flights from London Heathrow Airport to Iceland from £57

LHR — KEF
5 Dec — 12 Dec1
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

Fri 4/1220:35 -
Nonstop3h 15m
Tue 8/1216:20 -
Nonstop3h 10m
Deal found 4/11£128
Sat 12/1220:35 -
Nonstop3h 15m
Mon 14/1216:20 -
Nonstop3h 10m
Deal found 4/11£128
Sat 5/1220:35 -
Nonstop3h 15m
Fri 11/1216:20 -
Nonstop3h 10m
Deal found 3/11£130
Tue 1/1220:35 -
Nonstop3h 15m
Tue 8/1216:20 -
Nonstop3h 10m
Deal found 3/11£131
Fri 4/1220:35 -
Nonstop3h 15m
Sun 6/1207:35 -
Nonstop3h 15m
Deal found 3/11£131
Sat 21/1120:35 -
Nonstop3h 15m
Fri 27/1116:20 -
Nonstop3h 10m
Deal found 4/11£132
Fri 20/1120:35 -
Nonstop3h 15m
Mon 23/1116:20 -
Nonstop3h 10m
Deal found 4/11£133
Sat 21/1107:35 -
Nonstop3h 15m
Sat 28/1116:05 -
Nonstop3h 00m
Deal found 4/11£134
Thu 3/1220:35 -
Nonstop3h 15m
Mon 7/1216:20 -
Nonstop3h 10m
Deal found 4/11£135
Mon 9/1120:35 -
Nonstop3h 15m
Fri 13/1116:20 -
Nonstop3h 10m
Deal found 3/11£136
Fri 11/1220:35 -
Nonstop3h 15m
Thu 17/1216:20 -
Nonstop3h 10m
Deal found 2/11£137
Sat 5/1220:35 -
1 stop12h 15m
Sat 12/1219:30 -
1 stop24h 00m
Deal found 3/11£268

Find flight deals from Heathrow to Iceland

Round-trip from

£100

One-way from

£57

Popular in

July

Cheapest in

November

Average price

£120

Good round-trip deal

£342 or less

Good one-way deal

£170 or less
Icelandair
  • Icelandair
  • 11/1-21/1
  • Nonstop
  • 6h 25m total
  • London to Iceland
Icelandair
  • Icelandair
  • 27/11-31/12
  • Nonstop
  • 3h 15m total
  • London to Iceland
Highest demand for flights based on searches. 26% potential increase in price (£53 potential increase over avg. return price).
Cheapest flight prices on average. 4% potential price decrease (£7 potential savings vs. average return price).
Average for round-trip flights in November 2026
Price to beat on a round-trip flight from London Heathrow to Iceland.
Price to beat on a one-way flight from London Heathrow to Iceland.

Cheapflights Fare Finder

 
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
Fastest return journey

LondonReykjavik

LHR London Heathrow - KEF Reykjavik Keflavik Intl

LHRKEF

London Heathrow

Thu 19/11

20:35-23:50

Nonstop3h 15m

Reykjavik Keflavik Intl

Wed 31/12

00:00-01:00

Nonstop0h 00m

£86

LondonReykjavik

LHR London Heathrow - KEF Reykjavik Keflavik Intl

LHRKEF

London Heathrow

Thu 17/12

07:25-10:40

Nonstop3h 15m

Reykjavik Keflavik Intl

Wed 31/12

00:00-01:00

Nonstop0h 00m

£94

LondonReykjavik

LHR London Heathrow - KEF Reykjavik Keflavik Intl

LHRKEF

London Heathrow

Sat 5/12

20:35-23:50

Nonstop3h 15m

Reykjavik Keflavik Intl

Wed 31/12

00:00-01:00

Nonstop0h 00m

£95

LondonReykjavik

LHR London Heathrow - KEF Reykjavik Keflavik Intl

LHRKEF

London Heathrow

Fri 1/1

13:45-17:05

Nonstop3h 20m

Reykjavik Keflavik Intl

Wed 31/12

00:00-01:00

Nonstop0h 00m

£97

LondonReykjavik

LHR London Heathrow - KEF Reykjavik Keflavik Intl

LHRKEF

London Heathrow

Fri 11/12

15:15-17:15

1 stop26h 00m

Reykjavik Keflavik Intl

Wed 31/12

00:00-01:00

Nonstop0h 00m

£113

LondonReykjavik

LHR London Heathrow - KEF Reykjavik Keflavik Intl

LHRKEF

London Heathrow

Wed 13/1

15:35-11:10

1 stop19h 35m

Reykjavik Keflavik Intl

Wed 31/12

00:00-01:00

Nonstop0h 00m

£116

LondonReykjavik

LHR London Heathrow - KEF Reykjavik Keflavik Intl

LHRKEF

London Heathrow

Sun 31/1

15:15-17:15

1 stop26h 00m

Reykjavik Keflavik Intl

Wed 31/12

00:00-01:00

Nonstop0h 00m

£122

LondonReykjavik

LHR London Heathrow - KEF Reykjavik Keflavik Intl

LHRKEF

London Heathrow

Sat 14/11

15:35-11:40

1 stop20h 05m

Reykjavik Keflavik Intl

Wed 31/12

00:00-01:00

Nonstop0h 00m

£140

LondonReykjavik

LHR London Heathrow - KEF Reykjavik Keflavik Intl

LHRKEF

London Heathrow

Tue 22/12

07:35-10:50

Nonstop3h 15m

Reykjavik Keflavik Intl

Wed 31/12

00:00-01:00

Nonstop0h 00m

£142

LondonReykjavik

LHR London Heathrow - KEF Reykjavik Keflavik Intl

LHRKEF

London Heathrow

Sun 31/1

07:30-10:45

Nonstop3h 15m

Reykjavik Keflavik Intl

Sun 7/2

11:50-15:00

Nonstop3h 10m

£180

Flights are sorted by cheapest return flights first.

Deals found on 3/11

Showing 1-10 of 29 resultsSorted by cheapest first
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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

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, January is the cheapest month in which you can book a flight from London Heathrow Airport to Iceland (average of £171). Flying from London Heathrow Airport to Iceland in August is currently the most expensive (average of £361). 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?

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

The most flights from LHR to IS0 are scheduled on a Monday (12 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (4 on average).

How often are flights from London to Iceland delayed?

About 10% of weekly flights between London and Iceland have experienced delays in the past year, with the average delay time being 108 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 Saturday 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 10% 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 75 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

Reviews of airlines servicing Iceland

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.

Boarding

7.7

Entertainment

6.8

Crew

8.1

Comfort

7.4

Food

6.8

Overall

7.5

Reviews

1 / 20
10.0
Excellent

Neville,Sept 2026

FCO - CPH

Food & entertainment not expected and not provided on such short haul flight. You don't provide a Not Applicable option.

Boarding

7.7

Entertainment

6.8

Crew

8.1

Comfort

7.4

Food

6.8

Overall

7.5

Reviews

1 / 20
10.0
Excellent

Neville,Sept 2026

FCO - CPH

Food & entertainment not expected and not provided on such short haul flight. You don't provide a Not Applicable option.

Boarding

7.7

Entertainment

6.8

Crew

8.1

Comfort

7.4

Food

6.8

Overall

7.5

Reviews

1 / 20
10.0
Excellent

Neville,Sept 2026

FCO - CPH

Food & entertainment not expected and not provided on such short haul flight. You don't provide a Not Applicable option.

Boarding

7.7

Entertainment

6.8

Crew

8.1

Comfort

7.4

Food

6.8

Overall

7.5

Reviews

1 / 20
10.0
Excellent

Neville,Sept 2026

FCO - CPH

Food & entertainment not expected and not provided on such short haul flight. You don't provide a Not Applicable option.

Boarding

7.7

Entertainment

6.8

Crew

8.1

Comfort

7.4

Food

6.8

Overall

7.5

Reviews

1 / 20
10.0
Excellent

Neville,Sept 2026

FCO - CPH

Food & entertainment not expected and not provided on such short haul flight. You don't provide a Not Applicable option.

Related info for your journey

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

    For as low as £180, British Airways can have you in Iceland from London Heathrow Airport in 3h 15m. 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 TAP AIR PORTUGAL (90%), Emirates (89%) and Air India (89%).

  • 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 £738, our data indicates the cheapest price to be £116. The most popular route (London Heathrow - Reykjavik Keflavik Intl), is priced around £129.

  • 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, January is the cheapest month in which you can book a flight from London Heathrow Airport to Iceland (average of £171). Flying from London Heathrow Airport to Iceland in August is currently the most expensive (average of £361). 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

Alternative routes for Heathrow to Iceland

Top 3 airlines flying from Heathrow to Iceland

AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest£122Average£278FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
British AirwaysCheapest£138Average£246FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Scandinavian AirlinesCheapest£279Average£371FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights

Fly with Cheapflights

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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