What are the cheapest airlines to fly from London Heathrow Airport to Iceland one-way?

For one-way options, check prices for Scandinavian Airlines. According to our data, you can fly for as low as £102. Users have also found prices from £108 and £125 on British Airways and Eurowings, respectively.

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 £991, our data indicates the cheapest price to be £117. The most popular route (London Heathrow - Reykjavik Keflavik Intl), is priced around £140.

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 (100%), Icelandair (88%) and TAP AIR PORTUGAL (88%).

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 British Airways, Icelandair or PLAY as they are the most popular for this route.

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

Users have found that booking a flight from London Heathrow Airport to Iceland at least 60 days early can save you up to 40% on average compared to booking a flight this week. If booking 60 days before your flight isn’t an option for you, users have found flights from London Heathrow Airport to Iceland for as little as £137 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as £217 for flights departing within the next 3 days.

What is the cheapest month to fly from London Heathrow Airport to Iceland?

The best pricing can be found in the month of January. Prices to Iceland from London Heathrow Airport average £151. You can even find prices in January for less than £151, as users have found deals to Iceland from as low as £47. The month of July appears to be one of the more expensive times to travel to Iceland from London Heathrow Airport. Flying in the targeted month can save you up to 52%.

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.

£93+ Flights from London Heathrow Airport to Iceland

Cheap flight deals from Heathrow to Iceland

Round-trip from	£157
One-way from	£93
Popular in	July
Cheapest in	January
Average price	£230
Good round-trip deal	£371 or less
Good one-way deal	£214 or less

Scandinavian Airlines
14/11-23/11
1 total stop
10h 55m total
London to Iceland

Search Deals

13/11
1 total stop
10h 05m total
London to Iceland

Search Deals

Highest demand for flights based on searches. 26% potential increase in price (£38 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease (£6 potential savings vs. average return price).

Search Deals

Average for round-trip flights in July 2025

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

Find flight deals from Heathrow to Iceland

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 11 July 2025.

Fri 14/1107:35LHR - KEF

Nonstop3h 20mMultiple Airlines

Mon 24/1113:00KEF - LHR

1 stop5h 50mMultiple Airlines

Deal found 9/7£157

Sun 2/1120:35LHR - KEF

Nonstop3h 20mIcelandair

Fri 7/1116:20KEF - LHR

Nonstop3h 10mIcelandair

Deal found 10/7£158

Mon 3/1117:00LHR - KEF

1 stop17h 45mScandinavian Airlines

Sun 9/1111:15KEF - LHR

1 stop10h 20mScandinavian Airlines

Deal found 9/7£160

Fri 14/1107:30LHR - KEF

1 stop8h 15mLufthansa

Tue 18/1116:45KEF - LHR

1 stop15h 00mLufthansa

Deal found 9/7£183

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 11 July 2025.

Fri 14/1107:35LHR - KEF

Nonstop3h 20mMultiple Airlines

Sun 23/1111:15KEF - LHR

1 stop7h 35mMultiple Airlines

Deal found 9/7£157

Sun 2/1120:35LHR - KEF

Nonstop3h 20mIcelandair

Fri 7/1116:20KEF - LHR

Nonstop3h 10mIcelandair

Deal found 10/7£158

Mon 3/1117:00LHR - KEF

1 stop17h 45mScandinavian Airlines

Sun 9/1111:15KEF - LHR

1 stop10h 20mScandinavian Airlines

Deal found 9/7£160

Mon 8/906:00LHR - KEF

1 stop27h 35mSWISS

Tue 23/916:10KEF - LHR

1 stop28h 35mSWISS

Deal found 10/7£180

Fri 14/1107:30LHR - KEF

1 stop8h 15mLufthansa

Tue 18/1116:45KEF - LHR

1 stop15h 00mLufthansa

Deal found 9/7£183

Last-minute flights from Heathrow to Iceland
Discover last-minute flight deals from Heathrow to Iceland. Data last updated 11 July 2025 and is based on user searches.

Wed 16/708:40LHR - KEF

1 stop24h 40mSWISS

Sat 19/700:40KEF - LHR

2 stops30h 35mSWISS

Deal found 9/7£354

Wed 16/717:00LHR - KEF

1 stop8h 10mScandinavian Airlines

Sun 20/710:00KEF - LHR

1 stop7h 30mScandinavian Airlines

Deal found 10/7£372

Wed 16/710:30LHR - KEF

2 stops22h 50mLufthansa

Sat 19/701:15KEF - LHR

2 stops13h 25mLufthansa

Deal found 9/7£381

Thu 17/717:35LHR - KEF

1 stop6h 25mMultiple Airlines

Wed 23/701:05KEF - LHR

1 stop7h 15mMultiple Airlines

Deal found 9/7£300

Thu 17/707:35LHR - KEF

Nonstop3h 05mBritish Airways

Sun 20/710:20KEF - LHR

Nonstop3h 10mBritish Airways

Deal found 9/7£404

Wed 6/818:40LHR - KEF

1 stop6h 30mScandinavian Airlines

Wed 13/810:20KEF - LHR

1 stop10h 20mScandinavian Airlines

Deal found 9/7£232

Sat 30/821:25LHR - KEF

Nonstop3h 10mIcelandair

Sun 7/907:40KEF - LHR

Nonstop3h 15mIcelandair

Deal found 9/7£198

Sat 30/821:25LHR - KEF

Nonstop3h 10mMultiple Airlines

Sat 6/917:10KEF - LHR

1 stop15h 10mMultiple Airlines

Deal found 9/7£213

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 11 July 2025.

Thu 13/1107:55LHR - KEF

1 stop10h 05mMultiple Airlines

Deal found 11/7£93

Thu 23/1015:35LHR - KEF

1 stop16h 30mScandinavian Airlines

Deal found 11/7£102

Wed 27/807:55LHR - KEF

Nonstop3h 05mBritish Airways

Deal found 11/7£108

Thu 17/717:35LHR - KEF

1 stop6h 25mEurowings

Deal found 10/7£125

Sat 25/1016:25LHR - KEF

1 stop8h 45mLufthansa

Deal found 10/7£127

Mon 15/920:05LHR - KEF

1 stop13h 30mSWISS

Deal found 10/7£144

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

LondonReykjavik

LHR - KEF

LHRKEF

London Heathrow

Fri 14/11

07:35-10:55

Nonstop3h 20m

Reykjavik Keflavik Intl

Mon 24/11

13:00-18:50

1 stop5h 50m

£157

LondonReykjavik

LHR - KEF

LHRKEF

London Heathrow

Sun 2/11

20:35-23:55

Nonstop3h 20m

Reykjavik Keflavik Intl

Thu 6/11

16:20-19:30

Nonstop3h 10m

£158

LondonReykjavik

LHR - KEF

LHRKEF

London Heathrow

Mon 3/11

17:00-10:45

1 stop17h 45m

Reykjavik Keflavik Intl

Sun 9/11

11:15-21:35

1 stop10h 20m

£160

LondonReykjavik

LHR - KEF

LHRKEF

London Heathrow

Fri 14/11

07:30-15:45

1 stop8h 15m

Reykjavik Keflavik Intl

Tue 18/11

16:45-07:45

1 stop15h 00m

£183

LondonReykjavik

LHR - KEF

LHRKEF

London Heathrow

Wed 7/1

07:00-18:25

1 stop11h 25m

£98

LondonReykjavik

LHR - KEF

LHRKEF

London Heathrow

Thu 25/9

06:40-16:20

1 stop10h 40m

£103

LondonReykjavik

LHR - KEF

LHRKEF

London Heathrow

Wed 10/9

07:55-10:00

Nonstop3h 05m

£108

LondonReykjavik

LHR - KEF

LHRKEF

London Heathrow

Thu 17/7

17:35-23:00

1 stop6h 25m

£125

LondonReykjavik

LHR - KEF

LHRKEF

London Heathrow

Sat 25/10

16:25-00:10

1 stop8h 45m

£127

LondonReykjavik

LHR - KEF

LHRKEF

London Heathrow

Mon 15/9

20:05-08:35

1 stop13h 30m

£144

Flights are sorted by cheapest return flights first.

Deals found on 10/7

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 £75). Flying from London Heathrow Airport to Iceland in July is currently the most expensive (average of £289). 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.

Reviews of airlines servicing Iceland

Check out reviews from past customers who have flown with SWISS, Scandinavian Airlines, andIcelandair 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.

SWISS

7.5

Good

1,655 reviews

Check prices

Reviews

1 / 20

6.0

Good

Be,Oct 2023

FCO - ZRH

Very crowded flight. Staff brought refreshments regularly and the food was surprisingly good. But checking was very slow and they allowed way too many people with large suitcases on board making onboarding and off-boarding very slow and chaotic.

SWISS

7.5

Good

1,655 reviews

SWISS

7.5

Good

1,655 reviews

Check prices

Reviews

1 / 20

6.0

Good

Be,Oct 2023

FCO - ZRH

Scandinavian Airlines

7.3

Good

1,419 reviews

SWISS

7.5

Good

1,655 reviews

Check prices

Reviews

1 / 20

6.0

Good

Be,Oct 2023

FCO - ZRH

Icelandair

7.0

Good

515 reviews

SWISS

7.5

Good

1,655 reviews

Check prices

Reviews

1 / 20

6.0

Good

Be,Oct 2023

FCO - ZRH

Lufthansa

6.8

Okay

7,199 reviews

SWISS

7.5

Good

1,655 reviews

Check prices

Reviews

1 / 20

6.0

Good

Be,Oct 2023

FCO - ZRH

Eurowings

6.7

Okay

281 reviews

SWISS

7.5

Good

1,655 reviews

Check prices

Reviews

1 / 20

6.0

Good

Be,Oct 2023

FCO - ZRH

Related info for your journey

What are the cheapest airlines to fly from London Heathrow Airport to Iceland one-way?
For one-way options, check prices for Scandinavian Airlines. According to our data, you can fly for as low as £102. Users have also found prices from £108 and £125 on British Airways and Eurowings, respectively.
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 (100%), Icelandair (88%) and TAP AIR PORTUGAL (88%).
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 £991, our data indicates the cheapest price to be £117. The most popular route (London Heathrow - Reykjavik Keflavik Intl), is priced around £140.
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 £75). Flying from London Heathrow Airport to Iceland in July is currently the most expensive (average of £289). 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

Airline	Cheapest	Average	Flexibility	On-time
PLAY	Cheapest£83	Average£150	FlexibilityNo cancel fee	On-timeN/A	Search PLAY flights
British Airways	Cheapest£114	Average£192	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
Scandinavian Airlines	Cheapest£133	Average£270	FlexibilityNo cancel fee	On-time77%	Search Scandinavian Airlines flights
Icelandair	Cheapest£134	Average£312	FlexibilityNo cancel fee	On-time76%	Search Icelandair 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 £93

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 13/11. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Heathrow to Iceland

Keep the following information in mind while searching for Heathrow to Iceland flight deals. Data was last updated 11 July 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find 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 11 July 2025.

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 11 July 2025.

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

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?

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 11 July 2025.

Reviews of airlines servicing Iceland

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.

What are the cheapest airlines to fly from London Heathrow Airport to Iceland one-way?

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.

Top 4 airlines flying from Heathrow to Iceland

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?

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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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 11 July 2025.