Cheap flights from London Heathrow Airport to Iceland from £68

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London Heathrow Airport to Iceland departing on 11/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from London Heathrow Airport to Iceland

Cheap return flights

Icelandair Logo
12:15 - 15:30LHR-KEF
3h 15mdirect
Icelandair Logo
16:20 - 19:30KEF-LHR
3h 10mdirect
£117Icelandair
Find Deal
Thu, 15 Jan - Wed, 21 Jan
Icelandair Logo
20:35 - 23:55LHR-KEF
3h 20mdirect
Icelandair Logo
07:35 - 10:50KEF-LHR
3h 15mdirect
£118Icelandair
Find Deal
Thu, 6 Nov - Mon, 10 Nov
Icelandair Logo
12:15 - 15:30LHR-KEF
3h 15mdirect
Icelandair Logo
16:20 - 19:30KEF-LHR
3h 10mdirect
£118Icelandair
Find Deal
Thu, 13 Nov - Thu, 20 Nov
Icelandair Logo
20:35 - 23:55LHR-KEF
3h 20mdirect
Icelandair Logo
16:20 - 19:30KEF-LHR
3h 10mdirect
£120Icelandair
Find Deal
Tue, 11 Nov - Mon, 17 Nov
British Airways Logo
13:40 - 17:05LHR-KEF
3h 25mdirect
British Airways Logo
11:55 - 15:05KEF-LHR
3h 10mdirect
£136British Airways
Find Deal
Sun, 9 Nov - Sat, 15 Nov
Scandinavian Airlines Logo
19:30 - 10:45LHR-KEF
15h 15m1 stop
Scandinavian Airlines Logo
11:30 - 21:40KEF-LHR
10h 10m1 stop
£139Scandinavian Airlines
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Wed, 19 Nov - Fri, 21 Nov
British Airways Logo
07:25 - 10:45LHR-KEF
3h 20mdirect
British Airways Logo
11:50 - 15:00KEF-LHR
3h 10mdirect
£140British Airways
Find Deal
Thu, 20 Nov - Mon, 24 Nov
 Logo
20:35 - 23:55LHR-KEF
3h 20mdirect
 Logo
13:00 - 21:35KEF-LHR
8h 35m1 stop
Thu, 6 Nov - Mon, 10 Nov
Scandinavian Airlines Logo
18:40 - 10:45LHR-KEF
16h 05m1 stop
Scandinavian Airlines Logo
13:00 - 18:50KEF-LHR
5h 50m1 stop
£143Scandinavian Airlines
Find Deal
Thu, 6 Nov - Mon, 10 Nov
 Logo
20:35 - 23:55LHR-KEF
3h 20mdirect
 Logo
11:30 - 21:35KEF-LHR
10h 05m1 stop
Sat, 1 Nov - Thu, 6 Nov

British Airways flights from London Heathrow Airport to Iceland

Our best British Airways deals on London Heathrow Airport to Iceland flight tickets
British Airways
9 Nov
LHR13:40London Heathrow
3h 25m
KEF17:05Reykjavik Keflavik Intl
15 Nov
KEF11:55Reykjavik Keflavik Intl
3h 10m
LHR15:05London Heathrow
British Airways
20 Nov
LHR07:25London Heathrow
3h 20m
KEF10:45Reykjavik Keflavik Intl
24 Nov
KEF11:50Reykjavik Keflavik Intl
3h 10m
LHR15:00London Heathrow
British Airways
20 Nov
LHR07:25London Heathrow
3h 20m
KEF10:45Reykjavik Keflavik Intl
24 Nov
KEF11:50Reykjavik Keflavik Intl
3h 10m
LHR15:00London Heathrow

Icelandair flights from London Heathrow Airport to Iceland

Our best Icelandair deals on London Heathrow Airport to Iceland flight tickets
Icelandair
15 Jan
LHR12:15London Heathrow
3h 15m
KEF15:30Reykjavik Keflavik Intl
21 Jan
KEF16:20Reykjavik Keflavik Intl
3h 10m
LHR19:30London Heathrow
Icelandair
6 Nov
LHR20:35London Heathrow
3h 20m
KEF23:55Reykjavik Keflavik Intl
10 Nov
KEF07:35Reykjavik Keflavik Intl
3h 15m
LHR10:50London Heathrow
Icelandair
13 Nov
LHR12:15London Heathrow
3h 15m
KEF15:30Reykjavik Keflavik Intl
20 Nov
KEF16:20Reykjavik Keflavik Intl
3h 10m
LHR19:30London Heathrow

momondo Fare Finder

 
Customise your flight search to find flights from London Heathrow Airport 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, momondo users made 279,928 searches. Data last updated 29 August 2025.
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 15/1

12:15-15:30

Nonstop3h 15m

Reykjavik Keflavik Intl

Wed 21/1

16:20-19:30

Nonstop3h 10m

£117

LondonReykjavik

LHR - KEF

LHRKEF

London Heathrow

Thu 6/11

20:35-23:55

Nonstop3h 20m

Reykjavik Keflavik Intl

Mon 10/11

07:35-10:50

Nonstop3h 15m

£118

LondonReykjavik

LHR - KEF

LHRKEF

London Heathrow

Thu 13/11

12:15-15:30

Nonstop3h 15m

Reykjavik Keflavik Intl

Thu 20/11

16:20-19:30

Nonstop3h 10m

£118

LondonReykjavik

LHR - KEF

LHRKEF

London Heathrow

Tue 11/11

20:35-23:55

Nonstop3h 20m

Reykjavik Keflavik Intl

Mon 17/11

16:20-19:30

Nonstop3h 10m

£120

LondonReykjavik

LHR - KEF

LHRKEF

London Heathrow

Sun 9/11

13:40-17:05

Nonstop3h 25m

Reykjavik Keflavik Intl

Sat 15/11

11:55-15:05

Nonstop3h 10m

£136

LondonReykjavik

LHR - KEF

LHRKEF

London Heathrow

Wed 19/11

19:30-10:45

1 stop15h 15m

Reykjavik Keflavik Intl

Fri 21/11

11:30-21:40

1 stop10h 10m

£139

LondonReykjavik

LHR - KEF

LHRKEF

London Heathrow

Thu 20/11

07:25-10:45

Nonstop3h 20m

Reykjavik Keflavik Intl

Mon 24/11

11:50-15:00

Nonstop3h 10m

£140

LondonReykjavik

LHR - KEF

LHRKEF

London Heathrow

Thu 6/11

20:35-23:55

Nonstop3h 20m

Reykjavik Keflavik Intl

Mon 10/11

13:00-21:35

1 stop8h 35m

£142

LondonReykjavik

LHR - KEF

LHRKEF

London Heathrow

Thu 6/11

18:40-10:45

1 stop16h 05m

Reykjavik Keflavik Intl

Mon 10/11

13:00-18:50

1 stop5h 50m

£143

LondonReykjavik

LHR - KEF

LHRKEF

London Heathrow

Sat 1/11

20:35-23:55

Nonstop3h 20m

Reykjavik Keflavik Intl

Thu 6/11

11:30-21:35

1 stop10h 05m

£145

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Iceland from

How to get the cheapest flight ticket from London Heathrow Airport to Iceland

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Iceland?

The cheapest month to fly to Iceland from London Heathrow Airport is in January. Flight prices, which tend to average around £146, are often lower during this time because this is during the off-season. If you don’t want to visit Iceland in January, then you should wait until March to fly from London Heathrow Airport, when ticket prices are also cheap, with an average price of £159.

What is the cheapest day to depart on your flight to Iceland?

The cheapest day to depart from London Heathrow Airport to Iceland is on a Thursday when prices can be found for as low as £425. Flights from London Heathrow Airport to Iceland on a Saturday will generally be more expensive and average around £463. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Iceland?

Our most recent data shows that the best time of day to fly to Iceland is in the afternoon. Flights from London Heathrow Airport to Iceland during this time can be as low as £160. At midday is when there is more demand to fly to Iceland, so prices are often more expensive at around £544 per ticket.

What is the cheapest London Heathrow to Iceland flight route?

Fly from London Heathrow to Reykjavik Keflavik Intl for the best London Heathrow - Iceland flight prices

How far in advance should I book a flight to Iceland?

You are more likely to see cheaper flights to Iceland from London Heathrow Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Iceland for around £209 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Iceland from London Heathrow Airport for as low as £167 on momondo.

What cabin class options are available on London Heathrow to Iceland flights?

There are 3 cabin classes available to choose from on London Heathrow to Iceland flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on London Heathrow Airport to Iceland flights?

No. A direct flight is the cheapest option for a flight between London Heathrow Airport to Iceland.

Cheap London Heathrow Airport to Iceland flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London Heathrow Airport to Iceland

Best price found

£442

Fastest flight time

3h 05m

Direct flights

Every day

Airports in Iceland

1 airport
The best one-way flight to Iceland from London Heathrow Airport in the past 72 hours is £442. The best return flight deal from London Heathrow Airport to Iceland found on momondo in the last 72 hours is £377.
The fastest flight from London Heathrow Airport to Iceland takes 3h 05m
Direct flights go from London Heathrow Airport to Iceland every day.
There is 1 airport near Iceland: Reykjavik Keflavik Intl (KEF)
  • When did momondo last update prices for flights from London Heathrow Airport to Iceland?

    Prices for flights from London Heathrow Airport to Iceland are refreshed on a daily basis.

  • How many operators does momondo search for flights from London Heathrow Airport to Iceland?

  • How old do you have to be to fly from London Heathrow Airport to Iceland?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from London Heathrow Airport to Iceland.

  • What documentation or ID do you need to fly to Iceland?

    The required travel and health documents for your Iceland trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Iceland. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from London Heathrow Airport to Iceland?

Best airlines flying from London Heathrow Airport to Iceland

Compare and see reviews for airlines that fly from London Heathrow Airport to Iceland with momondo
Airline
Rating
Free Cancellation
Price
PLAYPriceFrom £84Free CancellationRating
7.0
103 reviews
Search PLAY flights
British AirwaysPriceFrom £116Free CancellationRating
6.7
7,316 reviews
Search British Airways flights
Scandinavian AirlinesPriceFrom £134Free CancellationRating
7.4
1,481 reviews
Search Scandinavian Airlines flights
IcelandairPriceFrom £136Free CancellationRating
7.0
537 reviews
Search Icelandair flights

Why use momondo?

Why should I use momondo to find a flight deal from London to Iceland?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from London to Iceland. momondo saves you time and could save you money on your trip.

Can I find flights from London to Iceland with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for London to Iceland flights to just show those with flexible booking policies.

How can momondo help me find flights from London to Iceland?

momondo provides multiple filters to help you find the best flight to Iceland from London. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from London to Iceland right now. Can momondo alert me if prices change?

Yes. momondo can track prices for London to Iceland flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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1 adult
Wed 3/9
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Popular flights according to clicks in the last 7 days on momondo