Cheap flights from London Heathrow Airport to Reykjavik from £136
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 3/10. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — REK
8 Sep — 15 Sep1
Return
1 adult
Economy
Return
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.
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Last-minute
One-way
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 9 August 2026.
Tue 3/1107:35 -
Nonstop3h 20m
Fri 6/1118:10 -
Nonstop3h 00m
Deal found 6/8£204
Tue 27/1019:50 -
1 stop14h 55m
Thu 29/1018:05 -
1 stop27h 35m
Deal found 6/8£204
Mon 2/1120:35 -
Nonstop3h 15m
Fri 6/1111:35 -
1 stop22h 00m
Deal found 8/8£205
Mon 2/1120:35 -
Nonstop3h 15m
Fri 13/1100:55 -
1 stop8h 40m
Deal found 6/8£207
Mon 14/920:05 -
1 stop13h 30m
Tue 29/916:10 -
2 stops17h 30m
Deal found 4/8£207
Thu 1/1021:25 -
Nonstop3h 10m
Sun 4/1007:40 -
Nonstop3h 15m
Deal found 6/8£208
Fri 2/1021:25 -
Nonstop3h 10m
Sun 4/1007:40 -
Nonstop3h 15m
Deal found 8/8£209
Tue 3/1117:30 -
1 stop17h 15m
Sun 8/1116:20 -
Nonstop3h 10m
Deal found 5/8£210
Sun 27/921:25 -
Nonstop3h 10m
Sun 4/1007:40 -
Nonstop3h 15m
Deal found 4/8£210
Thu 24/920:55 -
1 stop11h 55m
Wed 30/920:00 -
1 stop10h 40m
Deal found 6/8£211
Thu 1/1021:25 -
Nonstop3h 10m
Fri 13/1116:20 -
Nonstop3h 10m
Deal found 6/8£212
Best flights from Heathrow to Reykjavik
Discover carefully curated flight deals from Heathrow to Reykjavik that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 9 August 2026.
Sun 1/1120:35 -
Nonstop3h 15m
Thu 5/1116:20 -
Nonstop3h 10m
Deal found 8/8£211
Thu 15/1020:55 -
1 stop11h 55m
Sun 18/1019:15 -
1 stop11h 25m
Deal found 8/8£219
Tue 3/1119:50 -
1 stop14h 55m
Fri 6/1111:35 -
1 stop7h 15m
Deal found 7/8£237
Mon 2/1120:35 -
Nonstop3h 15m
Sun 8/1107:30 -
1 stop7h 45m
Deal found 5/8£350
Wed 28/1020:35 -
Nonstop3h 15m
Sat 7/1116:20 -
Nonstop3h 10m
Deal found 8/8£227
Thu 8/1021:25 -
Nonstop3h 10m
Tue 20/1016:10 -
Nonstop3h 10m
Deal found 8/8£246
Mon 2/1117:30 -
1 stop17h 55m
Sun 8/1111:35 -
1 stop10h 05m
Deal found 6/8£289
Wed 28/1006:30 -
1 stop7h 15m
Sat 7/1117:05 -
2 stops17h 40m
Deal found 5/8£317
Fri 2/1006:40 -
1 stop26h 05m
Sun 11/1017:35 -
1 stop23h 05m
Deal found 4/8£317
Thu 10/921:25 -
Nonstop3h 10m
Tue 15/907:40 -
Nonstop3h 15m
Deal found 5/8£295
Thu 1/1013:05 -
Nonstop3h 10m
Sat 10/1016:10 -
Nonstop3h 10m
Deal found 5/8£357
Direct flights from Heathrow to Reykjavik
Explore direct flight options from Heathrow to Reykjavik based on user searches, and compare prices and availability for your desired travel dates. Data last updated 9 August 2026.
Tue 3/1107:35 -
Nonstop3h 20m
Fri 6/1118:10 -
Nonstop3h 00m
Deal found 6/8£204
Mon 2/1120:35 -
Nonstop3h 15m
Wed 4/1116:20 -
Nonstop3h 10m
Deal found 6/8£204
Thu 1/1021:25 -
Nonstop3h 10m
Sun 4/1007:40 -
Nonstop3h 15m
Deal found 6/8£208
Fri 2/1021:25 -
Nonstop3h 10m
Sun 4/1007:40 -
Nonstop3h 15m
Deal found 8/8£209
Sun 27/921:25 -
Nonstop3h 10m
Sun 4/1007:40 -
Nonstop3h 15m
Deal found 4/8£210
Sat 26/921:25 -
Nonstop3h 10m
Wed 30/907:40 -
Nonstop3h 15m
Deal found 5/8£211
Thu 1/1021:25 -
Nonstop3h 10m
Fri 13/1116:20 -
Nonstop3h 10m
Deal found 6/8£212
Tue 1/921:25 -
Nonstop3h 10m
Wed 30/907:40 -
Nonstop3h 15m
Deal found 7/8£213
Sat 10/1021:25 -
Nonstop3h 10m
Sat 24/1007:40 -
Nonstop3h 15m
Deal found 6/8£213
Wed 23/921:25 -
Nonstop3h 10m
Wed 30/907:40 -
Nonstop3h 15m
Deal found 5/8£214
Thu 8/1021:25 -
Nonstop3h 10m
Fri 16/1016:10 -
Nonstop3h 10m
Deal found 7/8£215
Last-minute flights from Heathrow to Reykjavik
Discover last-minute flight deals from Heathrow to Reykjavik. Data last updated 9 August 2026 and is based on user searches.
Tue 18/819:50 -
1 stop16h 25m
Wed 19/817:35 -
1 stop21h 25m
Deal found 5/8£215
Thu 20/817:30 -
1 stop14h 35m
Mon 24/809:10 -
1 stop23h 10m
Deal found 7/8£212
Sat 29/810:35 -
1 stop8h 10m
Tue 8/917:05 -
1 stop27h 35m
Deal found 4/8£218
Tue 1/921:25 -
Nonstop3h 10m
Wed 30/907:40 -
Nonstop3h 15m
Deal found 7/8£213
Mon 14/920:05 -
1 stop13h 30m
Tue 29/916:10 -
2 stops17h 30m
Deal found 4/8£207
Wed 23/921:25 -
Nonstop3h 10m
Wed 30/907:40 -
Nonstop3h 15m
Deal found 5/8£214
Thu 24/920:55 -
1 stop11h 55m
Wed 30/920:00 -
1 stop10h 40m
Deal found 6/8£211
Sun 27/921:25 -
Nonstop3h 10m
Sun 4/1007:40 -
Nonstop3h 15m
Deal found 4/8£210
Mon 28/921:25 -
Nonstop3h 10m
Sun 4/1007:40 -
Nonstop3h 15m
Deal found 5/8£219
One-way flights from Heathrow to Reykjavik
Search for one-way flight options from Heathrow to Reykjavik. Find affordable one-way fares based on user searches. Data last updated 9 August 2026.
Sat 3/1009:55 -
2 stops25h 00m
Deal found 5/8£136
Fri 28/819:30 -
1 stop6h 05m
Deal found 6/8£137
Wed 30/908:45 -
2 stops11h 30m
Deal found 4/8£138
Thu 3/907:35 -
Nonstop3h 05m
Deal found 4/8£139
Tue 25/807:50 -
Nonstop3h 05m
Deal found 8/8£139
Fri 6/1110:20 -
1 stop7h 00m
Deal found 9/8£140
Thu 20/821:25 -
Nonstop3h 10m
Deal found 6/8£141
Sat 31/1007:35 -
Nonstop3h 20m
Deal found 7/8£142
Wed 2/908:45 -
2 stops11h 30m
Deal found 6/8£142
Wed 26/808:45 -
2 stops11h 30m
Deal found 5/8£143
Wed 9/915:50 -
2 stops17h 30m
Deal found 8/8£144
Mon 21/907:40 -
Nonstop3h 05m
Deal found 7/8£144
Find 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 (REK). 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 9 August 2026.
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 9 August 2026.
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
LondonReykjavik
LHR London Heathrow - KEF Reykjavik Keflavik Intl
LHRKEF
London Heathrow
Sun 1/11
20:35-23:50
Nonstop3h 15m
Reykjavik Keflavik Intl
Thu 5/11
16:20-19:30
Nonstop3h 10m
£211
LondonReykjavik
LHR London Heathrow - KEF Reykjavik Keflavik Intl
LHRKEF
London Heathrow
Thu 15/10
20:55-07:50
1 stop11h 55m
Reykjavik Keflavik Intl
Sun 18/10
19:15-07:40
1 stop11h 25m
£219
LondonReykjavik
LHR London Heathrow - KEF Reykjavik Keflavik Intl
LHRKEF
London Heathrow
Wed 28/10
20:35-23:50
Nonstop3h 15m
Reykjavik Keflavik Intl
Sat 7/11
16:20-19:30
Nonstop3h 10m
£227
LondonReykjavik
LHR London Heathrow - KEF Reykjavik Keflavik Intl
LHRKEF
London Heathrow
Tue 3/11
19:50-10:45
1 stop14h 55m
Reykjavik Keflavik Intl
Fri 6/11
11:35-18:50
1 stop7h 15m
£237
Fastest return journey
LondonReykjavik
LHR London Heathrow - KEF Reykjavik Keflavik Intl
LHRKEF
London Heathrow
Thu 8/10
21:25-23:35
Nonstop3h 10m
Reykjavik Keflavik Intl
Tue 20/10
16:10-20:20
Nonstop3h 10m
£246
LondonReykjavik
LHR London Heathrow - KEF Reykjavik Keflavik Intl
LHRKEF
London Heathrow
Mon 2/11
17:30-11:25
1 stop17h 55m
Reykjavik Keflavik Intl
Sun 8/11
11:35-21:40
1 stop10h 05m
£289
LondonReykjavik
LHR London Heathrow - KEF Reykjavik Keflavik Intl
LHRKEF
London Heathrow
Thu 10/9
21:25-23:35
Nonstop3h 10m
Reykjavik Keflavik Intl
Tue 15/9
07:40-11:55
Nonstop3h 15m
£295
LondonReykjavik
LHR London Heathrow - KEF Reykjavik Keflavik Intl
LHRKEF
London Heathrow
Wed 28/10
06:30-13:45
1 stop7h 15m
Reykjavik Keflavik Intl
Sat 7/11
17:05-10:45
2 stops17h 40m
£317
LondonReykjavik
LHR London Heathrow - KEF Reykjavik Keflavik Intl
LHRKEF
London Heathrow
Fri 2/10
06:40-07:45
1 stop26h 05m
Reykjavik Keflavik Intl
Sun 11/10
17:35-17:40
1 stop23h 05m
£317
LondonReykjavik
LHR London Heathrow - KEF Reykjavik Keflavik Intl
LHRKEF
London Heathrow
Mon 2/11
20:35-23:50
Nonstop3h 15m
Reykjavik Keflavik Intl
Sun 8/11
07:30-15:15
1 stop7h 45m
£350
Flights are sorted by cheapest return flights first.
Deals found on 9/8
Showing 1-10 of 18 resultsSorted by cheapest first
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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.
LHR-REK
LHR-KEF
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 Reykjavik
LHR-REK
LHR-KEF
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 £175). Flying from London Heathrow Airport to Reykjavik in August is currently the most expensive (average of £360). 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?
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 9 August 2026.
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.
Weekly flight availability from London Heathrow Airport to Reykjavik
Explore weekly flight availability from Heathrow to Reykjavik. 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 9 August 2026.
The most flights from LHR to REK are scheduled on a Friday (14 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (5 on average).
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 £300 and £399 in November.The cheapest return price found within the last 5 days was £204 on British Airways (3 Nov–6 Nov).
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 109 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 Thursday 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 9% 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 78 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
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 9 August 2026.
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.
Flight was changed causing 5 hour layover in Copenhagen And no accommodations were made to account for this at the lounge or anything like that
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.
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 £119, 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 Icelandair (85%), Emirates (85%) or Air India (85%) 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 £145. While the most popular route (London Heathrow - Reykjavik Keflavik Intl) can be booked for £144 on average, our data indicates £738 when flying from London Heathrow Airport 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 £175). Flying from London Heathrow Airport to Reykjavik in August is currently the most expensive (average of £360). 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.
Explore flights to Reykjavik departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 9 August 2026.
Discover the top 3 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 9 August 2026.
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?
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 Reykjavik from Heathrow today with Cheapflights!
Why should you use Cheapflights to find cheap flight tickets from Heathrow to Reykjavik?
It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Heathrow to Reykjavik.
Can Cheapflights find flights from Heathrow to Reykjavik with no change fees?
Yes! Cheapflights helps users easily find flights from Heathrow to Reykjavik with no change fees.
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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