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

For as low as £166, 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.

In terms of precipitation, rainfall in Iceland ranges from 40.0 - 80.0 inches per month. January is typically the wettest month, when rainfall can reach 80.0 mm. May is typically the driest time to visit Iceland when rainfall is around 40.0 mm.

If weather is an important factor for your trip to Iceland, 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 11.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 0.0 C).

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 £621, our data indicates the cheapest price to be £96. The most popular route (London Heathrow - Reykjavik Keflavik Intl), is priced around £138.

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 Emirates (84%), Air India (84%) and TAP AIR PORTUGAL (84%).

What are the most popular airlines that fly from London Heathrow Airport to Iceland?

When booking a flight from London Heathrow Airport to Iceland, you may want to consider flying on Icelandair, British Airways or Scandinavian Airlines as they are the most popular for this route.

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.

£83+ Cheap Flights from London Heathrow Airport to Iceland

Cheap flight deals from Heathrow to Iceland

Enter your travel dates to find the best prices.

Cheapest

Best

Direct

Last-minute

One-way

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 26 September 2026.

Sun 15/1112:15 -

Nonstop3h 15m

Sun 22/1107:35 -

Nonstop3h 15m

Deal found 21/9£138

Wed 25/1120:35 -

Nonstop3h 15m

Sat 28/1116:20 -

Nonstop3h 10m

Deal found 21/9£138

Fri 20/1120:35 -

Nonstop3h 15m

Mon 23/1107:35 -

Nonstop3h 15m

Deal found 21/9£139

Sat 28/1120:35 -

Nonstop3h 15m

Sat 5/1216:20 -

Nonstop3h 10m

Deal found 21/9£140

Fri 13/1120:35 -

Nonstop3h 15m

Sun 15/1107:35 -

Nonstop3h 15m

Deal found 21/9£141

Fri 13/1120:35 -

Nonstop3h 15m

Wed 18/1107:35 -

Nonstop3h 15m

Deal found 21/9£146

Mon 9/1120:35 -

Nonstop3h 15m

Fri 13/1116:20 -

Nonstop3h 10m

Deal found 25/9£147

Sat 28/1120:35 -

Nonstop3h 15m

Thu 3/1216:20 -

Nonstop3h 10m

Deal found 24/9£150

Sun 1/1107:30 -

Nonstop3h 15m

Sat 21/1116:05 -

Nonstop3h 00m

Deal found 24/9£150

Sat 14/1120:35 -

1 stop12h 15m

Sat 21/1109:20 -

1 stop10h 10m

Deal found 24/9£296

Sat 14/1120:35 -

1 stop12h 15m

Sat 21/1119:30 -

2 stops14h 05m

Deal found 24/9£402

Tue 29/1220:35 -

1 stop19h 40m

Sun 3/109:20 -

1 stop25h 30m

Deal found 26/9£411

Best flights from Heathrow to Iceland
Discover carefully curated flight deals from Heathrow to Iceland that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 26 September 2026.

Fri 13/1107:35 -

Nonstop3h 15m

Sat 14/1116:05 -

Nonstop3h 00m

Deal found 21/9£166

Thu 5/1110:20 -

1 stop7h 00m

Fri 13/1111:55 -

1 stop9h 25m

Deal found 25/9£238

Wed 25/1106:30 -

1 stop7h 15m

Sat 28/1111:35 -

2 stops20h 05m

Deal found 21/9£280

Sat 14/1120:35 -

1 stop12h 15m

Sat 21/1109:20 -

1 stop10h 10m

Deal found 24/9£298

Tue 3/1107:35 -

Nonstop3h 15m

Fri 6/1118:10 -

Nonstop3h 00m

Deal found 23/9£191

Thu 5/1107:25 -

Nonstop3h 15m

Fri 13/1118:10 -

Nonstop3h 00m

Deal found 23/9£207

Sat 14/1120:35 -

1 stop12h 15m

Sat 21/1119:30 -

2 stops14h 05m

Deal found 22/9£456

Wed 28/1006:40 -

1 stop10h 40m

Sat 7/1118:05 -

1 stop15h 15m

Deal found 23/9£246

Mon 2/1107:35 -

Nonstop3h 15m

Sun 8/1117:50 -

Nonstop3h 00m

Deal found 22/9£226

Fri 4/1220:25 -

2 stops20h 55m

Tue 8/1214:45 -

1 stop6h 05m

Deal found 22/9£307

Wed 28/1020:35 -

Nonstop3h 15m

Sat 7/1107:35 -

Nonstop3h 15m

Deal found 25/9£320

Sat 21/1110:20 -

1 stop7h 00m

Sun 22/1112:25 -

1 stop28h 00m

Deal found 25/9£292

Tue 17/1106:30 -

1 stop7h 15m

Sat 21/1111:35 -

2 stops9h 15m

Deal found 23/9£335

Tue 29/1220:35 -

1 stop19h 40m

Sun 3/109:20 -

1 stop25h 30m

Deal found 26/9£411

Tue 29/1220:35 -

1 stop19h 40m

Sat 2/119:30 -

1 stop15h 20m

Deal found 26/9£433

Fri 6/1106:40 -

2 stops30h 45m

Fri 13/1116:45 -

3 stops24h 15m

Deal found 22/9£588

Find flight deals from Heathrow to Iceland

Round-trip from	£135
One-way from	£83
Popular in	July
Cheapest in	January
Average price	£249
Good round-trip deal	£328 or less
Good one-way deal	£175 or less

Icelandair
28/11-12/12
Nonstop
6h 25m total
London to Iceland

Search Deals

Icelandair
21/11-31/12
Nonstop
3h 15m total
London to Iceland

Search Deals

Highest demand for flights based on searches. 26% potential increase in price (£54 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease (£7 potential savings vs. average return price).

Search Deals

Average for round-trip flights in September 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

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 London Heathrow - KEF Reykjavik Keflavik Intl

LHRKEF

London Heathrow

Thu 10/12

07:25-10:40

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

Thu 3/12

10:30-13:50

Nonstop3h 20m

Reykjavik Keflavik Intl

Wed 31/12

00:00-01:00

Nonstop0h 00m

£96

LondonReykjavik

LHR London Heathrow - KEF Reykjavik Keflavik Intl

LHRKEF

London Heathrow

Sun 6/12

13:40-17:00

Nonstop3h 20m

Reykjavik Keflavik Intl

Wed 31/12

00:00-01:00

Nonstop0h 00m

£96

LondonReykjavik

LHR London Heathrow - KEF Reykjavik Keflavik Intl

LHRKEF

London Heathrow

Sun 8/11

15:15-17:15

1 stop26h 00m

Reykjavik Keflavik Intl

Wed 31/12

00:00-01:00

Nonstop0h 00m

£111

LondonReykjavik

LHR London Heathrow - KEF Reykjavik Keflavik Intl

LHRKEF

London Heathrow

Fri 4/12

13:45-17:05

Nonstop3h 20m

Reykjavik Keflavik Intl

Wed 31/12

00:00-01:00

Nonstop0h 00m

£113

LondonReykjavik

LHR London Heathrow - KEF Reykjavik Keflavik Intl

LHRKEF

London Heathrow

Fri 4/12

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

Fri 25/12

06:30-13:45

1 stop7h 15m

Reykjavik Keflavik Intl

Wed 31/12

00:00-01:00

Nonstop0h 00m

£124

LondonAkureyri

LHR London Heathrow - AEY Akureyri

LHRAEY

London Heathrow

Thu 26/11

10:00-08:50

2 stops22h 50m

Akureyri

Wed 31/12

00:00-01:00

Nonstop0h 00m

£128

LondonReykjavik

LHR London Heathrow - KEF Reykjavik Keflavik Intl

LHRKEF

London Heathrow

Mon 12/10

15:00-00:10

1 stop10h 10m

Reykjavik Keflavik Intl

Wed 31/12

00:00-01:00

Nonstop0h 00m

£133

LondonReykjavik

LHR London Heathrow - KEF Reykjavik Keflavik Intl

LHRKEF

London Heathrow

Fri 27/11

06:40-17:20

1 stop10h 40m

Reykjavik Keflavik Intl

Wed 31/12

00:00-01:00

Nonstop0h 00m

£144

Flights are sorted by cheapest return flights first.

Deals found on 23/9

Showing 1-10 of 36 resultsSorted by cheapest first

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.

LHR-KEF

LHR-AEY

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

LHR-IS0

LHR-KEF

LHR-AEY

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 £165). Flying from London Heathrow Airport to Iceland in August is currently the most expensive (average of £369). 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 Wednesday (14 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (5 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 78 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.

Scandinavian Airlines

7.4

Good

1,997 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Anonymous,Jan 2026

VIE - CPH

It’s 2026 and traveling in economy absolutely sucks. Some airlines make a tiny effort to appear a little more conscientious (Emirates e.g.), but SAS seems to have cut every corner possible in order to increase profit and screw over customers. This is the shitty world we live in. Travel used to be seen as a luxury. Nowadays, traveling in economy class feels like abuse. Like you’re being punished for not coughing up enough money. Despicable.

Scandinavian Airlines

7.4

Good

1,997 reviews

Scandinavian Airlines

7.4

Good

1,997 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Anonymous,Jan 2026

VIE - CPH

Icelandair

6.9

Okay

753 reviews

Scandinavian Airlines

7.4

Good

1,997 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Anonymous,Jan 2026

VIE - CPH

easyJet

6.9

Okay

1,929 reviews

Scandinavian Airlines

7.4

Good

1,997 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Anonymous,Jan 2026

VIE - CPH

British Airways

6.7

Okay

8,237 reviews

Scandinavian Airlines

7.4

Good

1,997 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Anonymous,Jan 2026

VIE - CPH

Related info for your journey

How long is the flight from London Heathrow Airport to Iceland?
For as low as £166, 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 Emirates (84%), Air India (84%) and TAP AIR PORTUGAL (84%).
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 £621, our data indicates the cheapest price to be £96. The most popular route (London Heathrow - Reykjavik Keflavik Intl), is priced around £138.
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 £165). Flying from London Heathrow Airport to Iceland in August is currently the most expensive (average of £369). 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.

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Top 3 airlines flying from Heathrow to Iceland

Airline	Cheapest	Average	Flexibility	On-time
Icelandair	Cheapest£124	Average£284	FlexibilityNo cancel fee	On-time76%	Search Icelandair flights
British Airways	Cheapest£137	Average£249	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
Scandinavian Airlines	Cheapest£170	Average£374	FlexibilityNo cancel fee	On-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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Cheap flights from London Heathrow Airport to Iceland from £83

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 21/11. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Heathrow to Iceland

Cheapest flights from Heathrow to IcelandExplore 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 26 September 2026.

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 26 September 2026.

Best flights from Heathrow to IcelandDiscover carefully curated flight deals from Heathrow to Iceland that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 26 September 2026.

Discover carefully curated flight deals from Heathrow to Iceland that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 26 September 2026.

Direct flights from Heathrow to IcelandExplore direct flight options from Heathrow to Iceland based on user searches, and compare prices and availability for your desired travel dates. Data last updated 26 September 2026.

Explore direct flight options from Heathrow to Iceland based on user searches, and compare prices and availability for your desired travel dates. Data last updated 26 September 2026.

Last-minute flights from Heathrow to IcelandDiscover last-minute flight deals from Heathrow to Iceland. Data last updated 26 September 2026 and is based on user searches.

Discover last-minute flight deals from Heathrow to Iceland. Data last updated 26 September 2026 and is based on user searches.

One-way flights from Heathrow to IcelandSearch for one-way flight options from Heathrow to Iceland. Find affordable one-way fares based on user searches. Data last updated 26 September 2026.

Search for one-way flight options from Heathrow to Iceland. Find affordable one-way fares based on user searches. Data last updated 26 September 2026.

Find flight deals from Heathrow to Iceland

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Cheapflights Fare Finder

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

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.

Cheapflights Insights

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

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 26 September 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 26 September 2026.

The most flights from LHR to IS0 are scheduled on a Wednesday (14 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (5 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 78 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

Reviews of airlines servicing Iceland

Related info for your journey

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

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

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

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

How can I find direct flights from Heathrow to Iceland?

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

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Heathrow to Iceland

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Iceland by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to

Book a non-stop flight to one of these other cities located in .

Search flights from Heathrow to Iceland by cabin class

Find flights from Heathrow to Iceland, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Heathrow and Iceland flights

Browse other Heathrow and Iceland flight options. Last updated on 26 September 2026.

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Heathrow to Iceland flights

Consider these flights travelling from Heathrow to Iceland.

Top 3 airlines flying from Heathrow to Iceland

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

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

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

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

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Travel Smart

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 26 September 2026.

Best flights from Heathrow to Iceland
Discover carefully curated flight deals from Heathrow to Iceland that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 26 September 2026.

Direct flights from Heathrow to Iceland
Explore direct flight options from Heathrow to Iceland based on user searches, and compare prices and availability for your desired travel dates. Data last updated 26 September 2026.

Last-minute flights from Heathrow to Iceland
Discover last-minute flight deals from Heathrow to Iceland. Data last updated 26 September 2026 and is based on user searches.

One-way flights from Heathrow to Iceland
Search for one-way flight options from Heathrow to Iceland. Find affordable one-way fares based on user searches. Data last updated 26 September 2026.