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

For one-way options, check prices for British Airways. According to our data, you can fly for as low as £81. Users have also found prices from £82 and £108 on Scandinavian Airlines and Icelandair, respectively.

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 £877, our data indicates the cheapest price to be £126. The most popular route (London Heathrow - Reykjavik Keflavik Intl), is priced around £122.

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%), Turkish Airlines (93%) and American Airlines (92%).

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 £150. You can even find prices in January for less than £150, 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 49%.

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.

£180+ Flights from London Heathrow Airport to Iceland

Cheap flight deals from Heathrow to Iceland

Round-trip from	£129
One-way from	£81
Popular in	October
Cheapest in	February
Good round-trip deal	£282 or less
Good one-way deal	£194 or less

Icelandair
4/12-10/12
Nonstop
6h 30m total
London to Iceland

Search Deals

British Airways
22/11
Nonstop
3h 20m total
London to Iceland

Search Deals

Highest demand for flights based on searches. 29% potential increase in price (£48 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 12% potential price decrease (£13 potential savings vs. average return price).

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 13 June 2025.

Thu 4/1212:15LHR - KEF

Nonstop3h 15mIcelandair

Wed 10/1207:35KEF - LHR

Nonstop3h 15mIcelandair

Deal found 10/6£129

Sat 22/1115:35LHR - KEF

1 stop18h 55mScandinavian Airlines

Thu 27/1111:30KEF - LHR

1 stop10h 05mScandinavian Airlines

Deal found 11/6£137

Sun 30/1113:45LHR - KEF

Nonstop3h 25mBritish Airways

Wed 3/1211:45KEF - LHR

Nonstop3h 15mBritish Airways

Deal found 12/6£143

Sat 6/1206:40LHR - KEF

1 stop27h 50mMultiple Airlines

Thu 11/1211:40KEF - LHR

Nonstop3h 15mMultiple Airlines

Deal found 12/6£148

Sun 12/1009:05LHR - KEF

1 stop15h 15mAustrian Airlines

Sun 19/1000:10KEF - LHR

1 stop7h 50mAustrian Airlines

Deal found 13/6£205

Thu 19/617:50LHR - KEF

1 stop7h 20mLufthansa

Wed 25/600:25KEF - LHR

1 stop6h 15mLufthansa

Deal found 11/6£208

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 13 June 2025.

Thu 4/1212:15LHR - KEF

Nonstop3h 15mIcelandair

Wed 10/1207:35KEF - LHR

Nonstop3h 15mIcelandair

Deal found 10/6£129

Sat 22/1115:35LHR - KEF

1 stop18h 55mScandinavian Airlines

Thu 27/1111:30KEF - LHR

1 stop10h 05mScandinavian Airlines

Deal found 11/6£137

Sun 30/1113:45LHR - KEF

Nonstop3h 25mBritish Airways

Wed 3/1211:45KEF - LHR

Nonstop3h 15mBritish Airways

Deal found 12/6£143

Sat 6/1206:40LHR - KEF

1 stop27h 50mMultiple Airlines

Thu 11/1211:40KEF - LHR

Nonstop3h 15mMultiple Airlines

Deal found 12/6£148

Sun 12/1009:05LHR - KEF

1 stop15h 15mAustrian Airlines

Sun 19/1000:10KEF - LHR

1 stop7h 50mAustrian Airlines

Deal found 13/6£205

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 13 June 2025.

Thu 4/1212:15LHR - KEF

Nonstop3h 15mIcelandair

Wed 10/1207:35KEF - LHR

Nonstop3h 15mIcelandair

Deal found 10/6£129

Sun 30/1113:45LHR - KEF

Nonstop3h 25mBritish Airways

Wed 3/1211:45KEF - LHR

Nonstop3h 15mBritish Airways

Deal found 12/6£143

Mon 8/1207:35LHR - KEF

Nonstop3h 20mMultiple Airlines

Wed 10/1216:20KEF - LHR

Nonstop3h 10mMultiple Airlines

Deal found 12/6£263

Last-minute flights from Heathrow to Iceland
Discover last-minute flight deals from Heathrow to Iceland. Data last updated 13 June 2025 and is based on user searches.

Fri 13/607:35LHR - KEF

Nonstop3h 05mBritish Airways

Mon 16/610:45KEF - LHR

Nonstop3h 15mBritish Airways

Deal found 12/6£179

Wed 18/618:40LHR - KEF

1 stop14h 40mMultiple Airlines

Sat 21/601:15KEF - LHR

1 stop7h 40mMultiple Airlines

Deal found 11/6£226

Wed 18/606:00LHR - KEF

1 stop27h 20mSWISS

Sun 29/600:45KEF - LHR

1 stop17h 35mSWISS

Deal found 11/6£255

Wed 18/621:25LHR - KEF

Nonstop3h 10mIcelandair

Sat 21/607:40KEF - LHR

Nonstop3h 15mIcelandair

Deal found 12/6£338

Thu 19/617:50LHR - KEF

1 stop7h 20mLufthansa

Wed 25/600:25KEF - LHR

1 stop6h 15mLufthansa

Deal found 11/6£208

Thu 19/617:35LHR - KEF

1 stop6h 25mEurowings

Sun 22/600:40KEF - LHR

1 stop5h 45mEurowings

Deal found 13/6£330

Fri 20/607:35LHR - KEF

Nonstop3h 05mBritish Airways

Fri 4/710:30KEF - LHR

Nonstop3h 10mBritish Airways

Deal found 11/6£399

Sun 22/613:55LHR - KEF

1 stop11h 15mScandinavian Airlines

Wed 2/710:45KEF - LHR

1 stop9h 50mScandinavian Airlines

Deal found 11/6£344

Thu 26/618:40LHR - KEF

1 stop14h 35mMultiple Airlines

Sat 28/600:25KEF - LHR

1 stop6h 15mMultiple Airlines

Deal found 11/6£194

Mon 28/719:30LHR - KEF

1 stop15h 10mScandinavian Airlines

Mon 4/810:45KEF - LHR

1 stop7h 05mScandinavian Airlines

Deal found 12/6£216

Mon 28/721:25LHR - KEF

Nonstop3h 10mIcelandair

Mon 4/816:10KEF - LHR

Nonstop3h 10mIcelandair

Deal found 13/6£294

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 13 June 2025.

Sat 22/1107:35LHR - KEF

Nonstop3h 20mBritish Airways

Deal found 11/6£81

Fri 19/917:30LHR - KEF

1 stop17h 40mScandinavian Airlines

Deal found 11/6£82

Tue 16/906:55LHR - KEF

1 stop25h 30mMultiple Airlines

Deal found 12/6£86

Wed 27/821:25LHR - KEF

Nonstop3h 10mIcelandair

Deal found 12/6£108

Sun 14/908:55LHR - KEF

2 stops48h 40mSWISS

Deal found 11/6£149

Sun 22/606:10LHR - KEF

1 stop19h 35mIberia

Deal found 11/6£171

Thu 19/617:35LHR - KEF

1 stop6h 25mEurowings

Deal found 11/6£195

Fri 27/620:25LHR - KEF

2 stops18h 35mLufthansa

Deal found 11/6£205

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

Thu 4/12

12:15-15:30

Nonstop3h 15m

Reykjavik Keflavik Intl

Wed 10/12

07:35-10:50

Nonstop3h 15m

£129

LondonReykjavik

LHR - KEF

LHRKEF

London Heathrow

Sat 22/11

15:35-10:30

1 stop18h 55m

Reykjavik Keflavik Intl

Thu 27/11

11:30-21:35

1 stop10h 05m

£137

LondonReykjavik

LHR - KEF

LHRKEF

London Heathrow

Sun 30/11

13:45-17:10

Nonstop3h 25m

Reykjavik Keflavik Intl

Wed 3/12

11:45-15:00

Nonstop3h 15m

£143

LondonReykjavik

LHR - KEF

LHRKEF

London Heathrow

Sat 6/12

06:40-10:30

1 stop27h 50m

Reykjavik Keflavik Intl

Thu 11/12

11:40-14:55

Nonstop3h 15m

£148

LondonReykjavik

LHR - KEF

LHRKEF

London Heathrow

Sun 12/10

09:05-23:20

1 stop15h 15m

Reykjavik Keflavik Intl

Sun 19/10

00:10-09:00

1 stop7h 50m

£205

LondonReykjavik

LHR - KEF

LHRKEF

London Heathrow

Sat 22/11

07:35-10:55

Nonstop3h 20m

£81

LondonReykjavik

LHR - KEF

LHRKEF

London Heathrow

Fri 19/9

17:30-10:10

1 stop17h 40m

£82

LondonReykjavik

LHR - KEF

LHRKEF

London Heathrow

Tue 16/9

06:55-07:25

1 stop25h 30m

£86

LondonReykjavik

LHR - KEF

LHRKEF

London Heathrow

Wed 27/8

21:25-23:35

Nonstop3h 10m

£108

LondonReykjavik

LHR - KEF

LHRKEF

London Heathrow

Sun 14/9

08:55-08:35

2 stops48h 40m

£149

Flights are sorted by cheapest return flights first.

Deals found on 11/6

Showing 1-10 of 13 results

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.

Weekly flight availability from London Heathrow Airport to Iceland

The most flights from LHR to IS0 are scheduled on a Wednesday (10 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (2 on average).

Rainfall in Iceland by month

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.

Temperature in Iceland by month

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).

Reviews of airlines servicing Iceland

See what other customers who have flown with Austrian Airlines, SWISS and Scandinavian Airlines from London to Iceland have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Austrian Airlines

7.6

Good

802 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Grant,Jun 2025

VIE - FRA

A delay was caused by computer malfunctions after we left the gate. It was handled well

Austrian Airlines

7.6

Good

802 reviews

Austrian Airlines

7.6

Good

802 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Grant,Jun 2025

VIE - FRA

A delay was caused by computer malfunctions after we left the gate. It was handled well

SWISS

7.5

Good

1,624 reviews

Austrian Airlines

7.6

Good

802 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Grant,Jun 2025

VIE - FRA

A delay was caused by computer malfunctions after we left the gate. It was handled well

Scandinavian Airlines

7.3

Good

1,387 reviews

Austrian Airlines

7.6

Good

802 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Grant,Jun 2025

VIE - FRA

A delay was caused by computer malfunctions after we left the gate. It was handled well

Icelandair

7.0

Good

499 reviews

Austrian Airlines

7.6

Good

802 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Grant,Jun 2025

VIE - FRA

A delay was caused by computer malfunctions after we left the gate. It was handled well

Iberia

7.0

Good

2,776 reviews

Austrian Airlines

7.6

Good

802 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Grant,Jun 2025

VIE - FRA

A delay was caused by computer malfunctions after we left the gate. It was handled well

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 British Airways. According to our data, you can fly for as low as £81. Users have also found prices from £82 and £108 on Scandinavian Airlines and Icelandair, 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%), Turkish Airlines (93%) and American Airlines (92%).
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 £877, our data indicates the cheapest price to be £126. The most popular route (London Heathrow - Reykjavik Keflavik Intl), is priced around £122.
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

Browse thousands of different options on Cheapflights for your next trip

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Top 4 airlines flying from Heathrow to Iceland

Airline	Cheapest	Average	Flexibility	On-time
PLAY	Cheapest£83	Average£131	FlexibilityNo cancel fee	On-timeN/A	Search PLAY flights
British Airways	Cheapest£113	Average£195	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£135	Average£221	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 £81

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 22/11. 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 13 June 2025.

Round-trip from

One-way from

Popular in

Cheapest in

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 13 June 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 13 June 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 13 June 2025.

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 13 June 2025.

Rainfall in Iceland by month

Plan your trip to Iceland by taking into account the average rainfall totals by month.

Temperature in Iceland by month

Plan your trip to Iceland by taking into account the average temperature totals by month.

Reviews of airlines servicing Iceland

See what other customers who have flown with Austrian Airlines, SWISS and Scandinavian Airlines from London to Iceland have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

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 13 June 2025.