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Cheap flights from London Heathrow Airport to Reykjavik from £74

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 15/3. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — REK
26 Feb — 5 Mar1
1 adult

Cheap flight deals from Heathrow to Reykjavik

Discover tips and strategies to find the most affordable flight options for your journey from Heathrow (LHR) to Reykjavik (IS1). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 21 February 2025.

Round-trip from

£125

One-way from

£74

Popular in

October

Cheapest in

February

Average price

£47
Icelandair
  • Icelandair
  • 22/3-24/3
  • Nonstop
  • 6h 30m total
  • London to Reykjavik
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Icelandair
  • Icelandair
  • 15/3
  • Nonstop
  • 3h 15m total
  • London to Reykjavik
Search Deals
High demand for flights, 11% potential price rise
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Cheapest flight prices on average. 5% potential price decrease (£7 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 2025
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Find flight deals from Heathrow to Reykjavik

Cheapest flights from Heathrow to Reykjavik
Explore the most affordable flight options available from Heathrow to Reykjavik. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 February 2025.

Tue 11/1107:35LHR - KEF
Nonstop3h 20mBritish Airways
Fri 14/1118:45KEF - LHR
Nonstop3h 00mBritish Airways
Deal found 21/2£111
Sat 22/320:40LHR - KEF
Nonstop3h 15mIcelandair
Mon 24/307:35KEF - LHR
Nonstop3h 15mIcelandair
Deal found 20/2£125
Sun 14/910:35LHR - KEF
1 stop5h 45mScandinavian Airlines
Mon 15/911:05KEF - LHR
1 stop21h 30mScandinavian Airlines
Deal found 20/2£167
Tue 18/1107:35LHR - KEF
Nonstop3h 20mMultiple Airlines
Fri 21/1111:20KEF - LHR
1 stop6h 20mMultiple Airlines
Deal found 20/2£173
Wed 2/420:25LHR - KEF
1 stop28h 45mLufthansa
Sat 5/400:25KEF - LHR
1 stop6h 15mLufthansa
Deal found 20/2£189

Find flights from Heathrow to Reykjavik within your budget

Customise your flight search to find flights from Heathrow to Reykjavik 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, Cheapflights users made 858,174 searches. Data last updated 21 February 2025.

Fly from

Heathrow

Fly to

Reykjavik

Route

Depart

Return

Price

LondonReykjavik

LHR - KEF

LHRKEF

London Heathrow

Sat 22/3

20:40-23:55

Nonstop3h 15m

Reykjavik Keflavik Intl

Mon 24/3

07:35-10:50

Nonstop3h 15m

£125

LondonReykjavik

LHR - KEF

LHRKEF

London Heathrow

Fri 14/3

07:35-10:55

Nonstop3h 20m

Reykjavik Keflavik Intl

Thu 20/3

11:40-14:55

Nonstop3h 15m

£139

LondonReykjavik

LHR - KEF

LHRKEF

London Heathrow

Tue 6/5

21:25-23:35

Nonstop3h 10m

Reykjavik Keflavik Intl

Fri 9/5

08:40-16:25

1 stop6h 45m

£180

LondonReykjavik

LHR - KEF

LHRKEF

London Heathrow

Wed 2/4

20:25-00:10

1 stop28h 45m

Reykjavik Keflavik Intl

Sat 5/4

00:25-07:40

1 stop6h 15m

£189

LondonReykjavik

LHR - KEF

LHRKEF

London Heathrow

Tue 11/3

06:40-10:40

1 stop28h 00m

Reykjavik Keflavik Intl

Tue 18/3

07:35-21:20

1 stop13h 45m

£227

LondonReykjavik

LHR - KEF

LHRKEF

London Heathrow

Tue 1/4

17:15-08:20

2 stops40h 05m

Reykjavik Keflavik Intl

Sat 5/4

14:50-19:20

1 stop27h 30m

£265

LondonReykjavik

LHR - KEF

LHRKEF

London Heathrow

Sat 15/3

20:40-23:55

Nonstop3h 15m

£74

LondonReykjavik

LHR - KEF

LHRKEF

London Heathrow

Fri 28/3

07:35-10:55

Nonstop3h 20m

£81

LondonReykjavik

LHR - KEF

LHRKEF

London Heathrow

Tue 25/3

15:15-17:05

1 stop25h 50m

£101

LondonReykjavik

LHR - KEF

LHRKEF

London Heathrow

Thu 15/5

10:20-16:20

1 stop7h 00m

£109

Flights are sorted by cheapest return flights first.

Deals found on 19/2

Showing 1-10 of 12 results
1
2

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
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.

Travel insights for flights from Heathrow to Reykjavik

Get recent, data-driven insights about flights from Heathrow to Reykjavik including ideal travel times, pricing trends, and more.

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 £75). Flying from London Heathrow Airport to Reykjavik 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 KEF?

Find hourly flight availability from Heathrow to Reykjavik. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 21 February 2025.

It’s typically best to fly out from London Heathrow Airport to Reykjavik at midday. Doing so could potentially save you 6% on the flight price compared to flying in the morning, which is usually more expensive.

What is the cheapest day to fly from London Heathrow Airport to Reykjavik?

Use this chart to determine the cheapest time to fly return from Heathrow to Reykjavik. Price data was last updated on 16 February 2025.

Travellers seeking maximum savings on their London Heathrow Airport to Reykjavik flight should consider departing on Friday mornings when fares are most often at their lowest. Saturday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in Reykjavik by month

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

In terms of precipitation, rainfall in Reykjavik 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 Reykjavik when rainfall is around 40.0 mm.

Temperature in Reykjavik by month

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

If weather is an important factor for your trip to Reykjavik, 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 Reykjavik

Get insights into the airlines that provide service to Reykjavik. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Reykjavik. Reviews last updated 21 February 2025.
To help decide which airline to fly from London to Reykjavik, see what other customers have to say about SWISS, Scandinavian Airlines and Icelandair. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
SWISS
7.5
Good
1,568 reviews
Check prices

Comfort

7.3

Food

7.0

Entertainment

6.7

Overall

7.5

Crew

8.2

Boarding

7.6

Reviews

1 / 20

6.0
Good

Yvette,Nov 2024

ZRH - ATH

The website is difficult to navigate. You pay for everything. The carry on baggage policy is complicated. The food choices were poor and the seat was uncomfortable.

SWISS
7.5
Good
1,568 reviews
SWISS
7.5
Good
1,568 reviews
Check prices

Comfort

7.3

Food

7.0

Entertainment

6.7

Overall

7.5

Crew

8.2

Boarding

7.6

Reviews

1 / 20

6.0
Good

Yvette,Nov 2024

ZRH - ATH

The website is difficult to navigate. You pay for everything. The carry on baggage policy is complicated. The food choices were poor and the seat was uncomfortable.

Scandinavian Airlines
7.3
Good
1,325 reviews
SWISS
7.5
Good
1,568 reviews
Check prices

Comfort

7.3

Food

7.0

Entertainment

6.7

Overall

7.5

Crew

8.2

Boarding

7.6

Reviews

1 / 20

6.0
Good

Yvette,Nov 2024

ZRH - ATH

The website is difficult to navigate. You pay for everything. The carry on baggage policy is complicated. The food choices were poor and the seat was uncomfortable.

Icelandair
7.1
Good
491 reviews
SWISS
7.5
Good
1,568 reviews
Check prices

Comfort

7.3

Food

7.0

Entertainment

6.7

Overall

7.5

Crew

8.2

Boarding

7.6

Reviews

1 / 20

6.0
Good

Yvette,Nov 2024

ZRH - ATH

The website is difficult to navigate. You pay for everything. The carry on baggage policy is complicated. The food choices were poor and the seat was uncomfortable.

Eurowings
6.7
Okay
281 reviews
SWISS
7.5
Good
1,568 reviews
Check prices

Comfort

7.3

Food

7.0

Entertainment

6.7

Overall

7.5

Crew

8.2

Boarding

7.6

Reviews

1 / 20

6.0
Good

Yvette,Nov 2024

ZRH - ATH

The website is difficult to navigate. You pay for everything. The carry on baggage policy is complicated. The food choices were poor and the seat was uncomfortable.

Lufthansa
6.7
Okay
6,986 reviews
SWISS
7.5
Good
1,568 reviews
Check prices

Comfort

7.3

Food

7.0

Entertainment

6.7

Overall

7.5

Crew

8.2

Boarding

7.6

Reviews

1 / 20

6.0
Good

Yvette,Nov 2024

ZRH - ATH

The website is difficult to navigate. You pay for everything. The carry on baggage policy is complicated. The food choices were poor and the seat was uncomfortable.

Related info for your journey

Find useful and relevant information for your journey from Heathrow to Reykjavik. 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 flying from London Heathrow Airport to Reykjavik round-trip?

    Icelandair, at £125, was found to be the cheapest airline from London Heathrow Airport to Reykjavik.Alternate airlines flying return to your destination include British Airways and Lufthansa. Icelandair is priced at 30% lower than the current average price of a flight leaving 3 months from now.

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

    One-way options have recently been found by users for as low as £74 on Icelandair. Other airlines that offer cheap prices include British Airways from £81 and Scandinavian Airlines from £109 one-way.

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

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from London Heathrow Airport to Reykjavik on time: Emirates (89%), Qatar Airways (89%), American Airlines (81%).

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

    Looking at all options, your cheapest flight can be booked for £147. While the most popular route (London Heathrow - Reykjavik Keflavik Intl) can be booked for £135 on average our data indicates £834 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 £75). Flying from London Heathrow Airport to Reykjavik 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 Reykjavik

Discover the top 4 airlines that operate flights from Heathrow to Reykjavik. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 21 February 2025.
AirlineCheapestAverageFlexibilityOn-time
PLAYCheapest£78Average£112FlexibilityNo cancel feeOn-timeN/A
Search PLAY flights
British AirwaysCheapest£107Average£196FlexibilityNo cancel feeOn-time70%
Search British Airways flights
IcelandairCheapest£144Average£223FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
Scandinavian AirlinesCheapest£260Average£314FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights

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 Reykjavik?

Deals for Heathrow to Reykjavik flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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

Cheapflights simply makes it quick and affordable to book flights from Heathrow to Reykjavik by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

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

Need flexible booking options for your flight to Reykjavik from Heathrow? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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