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Cheap flights from London Heathrow Airport to Reykjavik from £57

LHR — REK
5 Dec — 12 Dec1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from London Heathrow to Reykjavik are usually found in April or January, booked 19 days in advance, depart on a Sunday or Thursday and return on a Friday

Cheap flight deals from Heathrow to Reykjavik

Enter your travel dates to find the best prices.

Cheapest flights from Heathrow to Reykjavik

Fri 4/1220:35 -
Nonstop3h 15m
Tue 8/1216:20 -
Nonstop3h 10m
Deal found 4/11£128
Sat 12/1220:35 -
Nonstop3h 15m
Mon 14/1216:20 -
Nonstop3h 10m
Deal found 4/11£128
Sat 5/1220:35 -
Nonstop3h 15m
Fri 11/1216:20 -
Nonstop3h 10m
Deal found 3/11£130
Tue 1/1220:35 -
Nonstop3h 15m
Tue 8/1216:20 -
Nonstop3h 10m
Deal found 3/11£131
Fri 4/1220:35 -
Nonstop3h 15m
Sun 6/1207:35 -
Nonstop3h 15m
Deal found 3/11£131
Sat 21/1120:35 -
Nonstop3h 15m
Fri 27/1116:20 -
Nonstop3h 10m
Deal found 4/11£132
Fri 20/1120:35 -
Nonstop3h 15m
Mon 23/1116:20 -
Nonstop3h 10m
Deal found 4/11£133
Sat 21/1107:35 -
Nonstop3h 15m
Sat 28/1116:05 -
Nonstop3h 00m
Deal found 4/11£134
Thu 3/1220:35 -
Nonstop3h 15m
Mon 7/1216:20 -
Nonstop3h 10m
Deal found 4/11£135
Mon 9/1120:35 -
Nonstop3h 15m
Fri 13/1116:20 -
Nonstop3h 10m
Deal found 3/11£136
Fri 11/1220:35 -
Nonstop3h 15m
Thu 17/1216:20 -
Nonstop3h 10m
Deal found 2/11£137

Find flight deals from Heathrow to Reykjavik

Round-trip from

£100

One-way from

£57

Popular in

August

Cheapest in

April

Average price

£226

Good round-trip deal

£342 or less

Good one-way deal

£170 or less
Icelandair
  • Icelandair
  • 11/1-21/1
  • Nonstop
  • 6h 25m total
  • London to Reykjavik
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Icelandair
  • Icelandair
  • 27/11-31/12
  • Nonstop
  • 3h 15m total
  • London to Reykjavik
Search Deals
Highest demand for flights based on searches. 19% potential increase in price (£46 potential increase over avg. return price).
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Cheapest flight prices on average. 3% potential price decrease (£7 potential savings vs. average return price).
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Average for round-trip flights in November 2026
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Price to beat on a round-trip flight from London Heathrow to Reykjavik (REK).
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Price to beat on a one-way flight from London Heathrow to Reykjavik (REK).
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Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

LondonReykjavik

LHR London Heathrow - KEF Reykjavik Keflavik Intl

LHRKEF

London Heathrow

Thu 19/11

20:35-23:50

Nonstop3h 15m

Reykjavik Keflavik Intl

Wed 31/12

00:00-01:00

Nonstop0h 00m

£86

LondonReykjavik

LHR London Heathrow - KEF Reykjavik Keflavik Intl

LHRKEF

London Heathrow

Thu 17/12

07:25-10:40

Nonstop3h 15m

Reykjavik Keflavik Intl

Wed 31/12

00:00-01:00

Nonstop0h 00m

£94

LondonReykjavik

LHR London Heathrow - KEF Reykjavik Keflavik Intl

LHRKEF

London Heathrow

Sat 5/12

20:35-23:50

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

Fri 1/1

13:45-17:05

Nonstop3h 20m

Reykjavik Keflavik Intl

Wed 31/12

00:00-01:00

Nonstop0h 00m

£97

LondonReykjavik

LHR London Heathrow - KEF Reykjavik Keflavik Intl

LHRKEF

London Heathrow

Fri 11/12

15:15-17:15

1 stop26h 00m

Reykjavik Keflavik Intl

Wed 31/12

00:00-01:00

Nonstop0h 00m

£113

LondonReykjavik

LHR London Heathrow - KEF Reykjavik Keflavik Intl

LHRKEF

London Heathrow

Wed 13/1

15:35-11:10

1 stop19h 35m

Reykjavik Keflavik Intl

Wed 31/12

00:00-01:00

Nonstop0h 00m

£116

LondonReykjavik

LHR London Heathrow - KEF Reykjavik Keflavik Intl

LHRKEF

London Heathrow

Sun 31/1

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

Sat 14/11

15:35-11:40

1 stop20h 05m

Reykjavik Keflavik Intl

Wed 31/12

00:00-01:00

Nonstop0h 00m

£140

LondonReykjavik

LHR London Heathrow - KEF Reykjavik Keflavik Intl

LHRKEF

London Heathrow

Tue 22/12

07:35-10:50

Nonstop3h 15m

Reykjavik Keflavik Intl

Wed 31/12

00:00-01:00

Nonstop0h 00m

£142

LondonReykjavik

LHR London Heathrow - KEF Reykjavik Keflavik Intl

LHRKEF

London Heathrow

Sun 31/1

07:30-10:45

Nonstop3h 15m

Reykjavik Keflavik Intl

Sun 7/2

11:50-15:00

Nonstop3h 10m

£180

Flights are sorted by cheapest return flights first.

Deals found on 3/11

Showing 1-10 of 21 resultsSorted by cheapest first
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Best time to book a flight from Heathrow to Reykjavik

Have a flexible travel schedule? Discover the best time to fly to Reykjavik from Heathrow with our price prediction graph.
Estimated return price

Cheapflights Insights

Everything you need to know about your flight from London Heathrow Airport to Reykjavik

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

Currently, January is the cheapest month in which you can book a flight from London Heathrow Airport to Reykjavik (average of £171). Flying from London Heathrow Airport to Reykjavik in August is currently the most expensive (average of £361). 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 REK?

When flying from London Heathrow Airport to Reykjavik, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

How much does it cost for a return flight from London Heathrow Airport to Reykjavik?

Airfare is below average for this route at the moment.
London Heathrow Airport to Reykjavik flights typically cost between £177 and £264 in January.
The cheapest return price found within the last 5 days was £100 on Icelandair (11 Jan–21 Jan).

How often are flights from London to Reykjavik delayed?

About 10% of weekly flights between London and Reykjavik 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 Reykjavik 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 Reykjavik 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 Reykjavik?

The best time to book flights from London Heathrow Airport to Reykjavik is 75 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

Reviews of airlines servicing Reykjavik

Read reviews from past customers who have flown with Scandinavian Airlines,Icelandair, andeasyJet from London Heathrow Airport to Reykjavik. 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.
Scandinavian Airlines
7.5
Good
2,025 reviews
Check prices

Entertainment

6.8

Crew

8.1

Food

6.8

Overall

7.5

Boarding

7.7

Comfort

7.4

Reviews

1 / 20
6.0
Good

siavash,Oct 2026

CPH - JFK

I was seated in premium economy and I didn’t feel the crew being attentive or a warm sense of hospitality, the plane was clean. The seats were comfortable.
Scandinavian Airlines
7.5
Good
2,025 reviews
Scandinavian Airlines
7.5
Good
2,025 reviews
Check prices

Entertainment

6.8

Crew

8.1

Food

6.8

Overall

7.5

Boarding

7.7

Comfort

7.4

Reviews

1 / 20
6.0
Good

siavash,Oct 2026

CPH - JFK

I was seated in premium economy and I didn’t feel the crew being attentive or a warm sense of hospitality, the plane was clean. The seats were comfortable.
Icelandair
6.9
Okay
767 reviews
Scandinavian Airlines
7.5
Good
2,025 reviews
Check prices

Entertainment

6.8

Crew

8.1

Food

6.8

Overall

7.5

Boarding

7.7

Comfort

7.4

Reviews

1 / 20
6.0
Good

siavash,Oct 2026

CPH - JFK

I was seated in premium economy and I didn’t feel the crew being attentive or a warm sense of hospitality, the plane was clean. The seats were comfortable.
easyJet
6.9
Okay
1,920 reviews
Scandinavian Airlines
7.5
Good
2,025 reviews
Check prices

Entertainment

6.8

Crew

8.1

Food

6.8

Overall

7.5

Boarding

7.7

Comfort

7.4

Reviews

1 / 20
6.0
Good

siavash,Oct 2026

CPH - JFK

I was seated in premium economy and I didn’t feel the crew being attentive or a warm sense of hospitality, the plane was clean. The seats were comfortable.
British Airways
6.7
Okay
8,282 reviews
Scandinavian Airlines
7.5
Good
2,025 reviews
Check prices

Entertainment

6.8

Crew

8.1

Food

6.8

Overall

7.5

Boarding

7.7

Comfort

7.4

Reviews

1 / 20
6.0
Good

siavash,Oct 2026

CPH - JFK

I was seated in premium economy and I didn’t feel the crew being attentive or a warm sense of hospitality, the plane was clean. The seats were comfortable.

Related info for your journey

  • How long is the flight from London Heathrow Airport to Reykjavik?

    Departing from London Heathrow Airport to Reykjavik will take you 3h 15m. There are 1177 mi between London Heathrow Airport and Reykjavik. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What are the cheapest airlines flying from London Heathrow Airport to Reykjavik round-trip?

    Icelandair, at £122, was found to be the cheapest airline from London Heathrow Airport to Reykjavik.Alternate airlines flying return to your destination include British Airways and Scandinavian Airlines. Icelandair is priced at 53% lower than the current average price of a flight leaving 3 months from now.

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

    No one likes to see their flight delayed. When booking a flight from London Heathrow Airport to Reykjavik consider choosing TAP AIR PORTUGAL (90%), Emirates (89%) or Air India (89%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from London Heathrow Airport to Reykjavik?

    Looking at all options, your cheapest flight can be booked for £116. While the most popular route (London Heathrow - Reykjavik Keflavik Intl) can be booked for £129 on average, our data indicates £738 when flying from London Heathrow Airport to Reykjavik.

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

    Yes. In addition to deals on Heathrow to Reykjavik flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Heathrow to Reykjavik?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Heathrow to Reykjavik.

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

    Yes. Cheapflights offers flight deals from Heathrow to Reykjavik 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 Reykjavik?

    Currently, January is the cheapest month in which you can book a flight from London Heathrow Airport to Reykjavik (average of £171). Flying from London Heathrow Airport to Reykjavik in August is currently the most expensive (average of £361). 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

Travelling to a place near Reykjavik?

Book flights to Reykjavik if you plan to visit one of these locations
Kopavogur
Hveragerdi

Browse thousands of different options on Cheapflights for your next trip

Top 3 airlines flying from Heathrow to Reykjavik

AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest£122Average£278FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
British AirwaysCheapest£138Average£246FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Scandinavian AirlinesCheapest£279Average£371FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights

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

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Reykjavik from Heathrow today and book when prices fit your budget.

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