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Cheap flights from London Heathrow Airport to Iceland from £76

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 13/5. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — KEF
27 Apr — 4 May1
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 28 March 2026.

Thu 16/407:35
LHR
-
KEF
Nonstop3h 05m
British Airways
Wed 22/411:00
KEF
-
LHR
Nonstop3h 10m
British Airways
Deal found 24/3£133
Wed 22/407:55
LHR
-
KEF
Nonstop3h 05m
British Airways
Wed 29/411:00
KEF
-
LHR
Nonstop3h 10m
British Airways
Deal found 23/3£137
Sun 19/407:25
LHR
-
KEF
Nonstop3h 05m
British Airways
Wed 29/411:00
KEF
-
LHR
Nonstop3h 10m
British Airways
Deal found 26/3£138
Sat 11/421:25
LHR
-
KEF
Nonstop3h 10m
Icelandair
Sun 19/407:40
KEF
-
LHR
Nonstop3h 15m
Icelandair
Deal found 24/3£140
Tue 21/421:25
LHR
-
KEF
Nonstop3h 10m
Icelandair
Tue 28/407:40
KEF
-
LHR
Nonstop3h 15m
Icelandair
Deal found 24/3£143
Tue 21/407:50
LHR
-
KEF
Nonstop3h 05m
British Airways
Wed 29/411:00
KEF
-
LHR
Nonstop3h 10m
British Airways
Deal found 26/3£144
Mon 20/407:40
LHR
-
KEF
Nonstop3h 05m
British Airways
Tue 28/410:50
KEF
-
LHR
Nonstop3h 10m
British Airways
Deal found 26/3£150

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 28 March 2026.

Round-trip from

£133

One-way from

£76

Popular in

July

Cheapest in

January

Average price

£142

Good round-trip deal

£327 or less

Good one-way deal

£277 or less
British Airways
  • British Airways
  • 16/4-22/4
  • Nonstop
  • 6h 15m total
  • London to Iceland
Search Deals
Icelandair
  • Icelandair
  • 13/5
  • Nonstop
  • 3h 10m total
  • London to Iceland
Search Deals
Highest demand for flights based on searches. 27% potential increase in price (£48 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (£7 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 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 28 March 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
Fastest return journey

LondonReykjavik

LHR - KEF

LHRKEF

London Heathrow

Thu 16/4

07:35-09:40

Nonstop3h 05m

Reykjavik Keflavik Intl

Wed 22/4

11:00-15:10

Nonstop3h 10m

£163

LondonReykjavik

LHR - KEF

LHRKEF

London Heathrow

Wed 23/9

09:55-19:00

1 stop10h 05m

Reykjavik Keflavik Intl

Wed 7/10

20:00-13:50

1 stop16h 50m

£220

LondonReykjavik

LHR - KEF

LHRKEF

London Heathrow

Fri 1/5

17:30-08:45

1 stop16h 15m

Reykjavik Keflavik Intl

Tue 5/5

17:05-12:55

2 stops18h 50m

£224

LondonReykjavik

LHR - KEF

LHRKEF

London Heathrow

Thu 20/8

21:25-23:35

Nonstop3h 10m

Reykjavik Keflavik Intl

Wed 2/9

07:40-11:55

Nonstop3h 15m

£240

LondonReykjavik

LHR - KEF

LHRKEF

London Heathrow

Wed 29/4

07:55-10:00

Nonstop3h 05m

Reykjavik Keflavik Intl

Mon 4/5

10:40-14:50

Nonstop3h 10m

£252

LondonReykjavik

LHR - KEF

LHRKEF

London Heathrow

Thu 30/4

06:40-16:15

1 stop10h 35m

Reykjavik Keflavik Intl

Mon 4/5

11:15-18:50

1 stop6h 35m

£268

LondonReykjavik

LHR - KEF

LHRKEF

London Heathrow

Sat 12/9

15:35-09:50

1 stop19h 15m

Reykjavik Keflavik Intl

Thu 17/9

11:15-21:35

1 stop9h 20m

£283

LondonReykjavik

LHR - KEF

LHRKEF

London Heathrow

Mon 11/5

19:50-10:25

1 stop15h 35m

Reykjavik Keflavik Intl

Thu 14/5

11:15-21:35

1 stop9h 20m

£283

LondonReykjavik

LHR - KEF

LHRKEF

London Heathrow

Fri 8/5

07:05-16:15

2 stops10h 10m

Reykjavik Keflavik Intl

Fri 15/5

07:55-21:20

2 stops12h 25m

£286

LondonReykjavik

LHR - KEF

LHRKEF

London Heathrow

Thu 20/8

21:25-23:35

Nonstop3h 10m

Reykjavik Keflavik Intl

Sun 30/8

16:10-20:20

Nonstop3h 10m

£321

Flights are sorted by cheapest return flights first.

Deals found on 24/3

Showing 1-10 of 21 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, January is the cheapest month in which you can book a flight from London Heathrow Airport to Iceland (average of £57). Flying from London Heathrow Airport to Iceland in August is currently the most expensive (average of £241). 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 28 March 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.

How often are flights from London to Iceland delayed?

About 8% of weekly flights between London and Iceland have experienced delays in the past year, with the average delay time being 111 minutes.

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

Historically, flights departing in the morning 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 7% of flights being delayed.

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 28 March 2026.
Check out reviews from past customers who have flown with Scandinavian Airlines,Icelandair, andPLAY 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
7.3
Good
1,727 reviews
Check prices

Overall

7.3

Entertainment

6.7

Comfort

7.3

Crew

8.0

Food

6.7

Boarding

7.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

BOS - CPH

I booked sas lodge - but I was unable to use it in Copenhagen because lodge was beyond check point. But SAS website confirmed access:(
Scandinavian Airlines
7.3
Good
1,727 reviews
Scandinavian Airlines
7.3
Good
1,727 reviews
Check prices

Overall

7.3

Entertainment

6.7

Comfort

7.3

Crew

8.0

Food

6.7

Boarding

7.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

BOS - CPH

I booked sas lodge - but I was unable to use it in Copenhagen because lodge was beyond check point. But SAS website confirmed access:(
Icelandair
7.0
Good
627 reviews
Scandinavian Airlines
7.3
Good
1,727 reviews
Check prices

Overall

7.3

Entertainment

6.7

Comfort

7.3

Crew

8.0

Food

6.7

Boarding

7.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

BOS - CPH

I booked sas lodge - but I was unable to use it in Copenhagen because lodge was beyond check point. But SAS website confirmed access:(
PLAY
7.0
Good
Scandinavian Airlines
7.3
Good
1,727 reviews
Check prices

Overall

7.3

Entertainment

6.7

Comfort

7.3

Crew

8.0

Food

6.7

Boarding

7.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

BOS - CPH

I booked sas lodge - but I was unable to use it in Copenhagen because lodge was beyond check point. But SAS website confirmed access:(
easyJet
6.9
Okay
1,889 reviews
Scandinavian Airlines
7.3
Good
1,727 reviews
Check prices

Overall

7.3

Entertainment

6.7

Comfort

7.3

Crew

8.0

Food

6.7

Boarding

7.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

BOS - CPH

I booked sas lodge - but I was unable to use it in Copenhagen because lodge was beyond check point. But SAS website confirmed access:(
British Airways
6.7
Okay
7,827 reviews
Scandinavian Airlines
7.3
Good
1,727 reviews
Check prices

Overall

7.3

Entertainment

6.7

Comfort

7.3

Crew

8.0

Food

6.7

Boarding

7.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

BOS - CPH

I booked sas lodge - but I was unable to use it in Copenhagen because lodge was beyond check point. But SAS website confirmed access:(

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 £163, British Airways can have you in Iceland from London Heathrow Airport in 3h 05m. 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 Qatar Airways (98%), American Airlines (96%) and Qantas Airways (96%).

  • 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 £770, our data indicates the cheapest price to be £179. The most popular route (London Heathrow - Reykjavik Keflavik Intl), is priced around £158.

  • 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 £57). Flying from London Heathrow Airport to Iceland in August is currently the most expensive (average of £241). 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

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Top 4 airlines flying from Heathrow to Iceland

Discover the top 4 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 28 March 2026.
AirlineCheapestAverageFlexibilityOn-time
easyJetCheapest£49Average£89FlexibilityNo cancel feeOn-time86%
Search easyJet flights
British AirwaysCheapest£120Average£230FlexibilityNo cancel feeOn-time70%
Search British Airways flights
IcelandairCheapest£120Average£251FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
Scandinavian AirlinesCheapest£136Average£261FlexibilityNo 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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