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$100+ Cheap flights from Reykjavik (REK) to Heathrow (LHR)

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 3/20. Fares are subject to change and may not be available on all flights or dates of travel.
REK — LHR
Apr 5 — Apr 121
Sun 4/5
Sun 4/12
1 adult, Economy
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Cheap flight deals from Reykjavik to Heathrow

Cheapest flights from Reykjavik to Heathrow
Explore the most affordable flight options available from Reykjavik to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 6, 2026.

This Mytrip deal was found by Cheapflights users on 3/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/66:10 pm
KEF
-
LHR
Nonstop3h 00m
British Airways
Sun 3/87:20 am
LHR
-
KEF
Nonstop3h 20m
British Airways
Deal found 3/5$186
This Mytrip deal was found by Cheapflights users on 3/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/2211:15 am
KEF
-
LHR
1 stop6h 35m
Multiple Airlines
Wed 4/299:25 pm
LHR
-
KEF
Nonstop3h 10m
Multiple Airlines
Deal found 3/2$194
This Iberia deal was found by Cheapflights users on 3/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/611:50 am
KEF
-
LHR
Nonstop3h 10m
British Airways
Tue 3/107:35 am
LHR
-
KEF
Nonstop3h 20m
British Airways
Deal found 3/2$208
This Mytrip deal was found by Cheapflights users on 3/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/1411:15 am
KEF
-
LHR
1 stop6h 35m
Multiple Airlines
Tue 4/219:25 pm
LHR
-
KEF
Nonstop3h 10m
Multiple Airlines
Deal found 3/4$223
This British Airways deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/206:10 pm
KEF
-
LHR
Nonstop3h 00m
British Airways
Mon 3/237:35 am
LHR
-
KEF
Nonstop3h 20m
British Airways
Deal found 3/6$228
This Expedia deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/2410:30 am
KEF
-
LHR
Nonstop3h 10m
Multiple Airlines
Wed 4/299:25 pm
LHR
-
KEF
Nonstop3h 10m
Multiple Airlines
Deal found 3/3$240

Find flight deals from Reykjavik to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from Reykjavik (REK) to Heathrow (LHR). 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 March 6, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$194
(Mytrip)

One-way from

$100
(British Airways)

Popular in

June

Cheapest in

November

Average price

$312

Good round-trip deal

$385 or less

Good one-way deal

$228 or less
Provider with most accurate pricing for Reykjavik (REK)-London Heathrow flight deals.
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Provider most trusted by Cheapflights users for Reykjavik (REK)-London Heathrow flights.
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From Reykjavik (REK) to London Heathrow
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One-way flight from Reykjavik (REK) to London Heathrow
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Highest demand for flights based on searches. 23% potential increase in price ($75 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($11 potential savings vs. average RT price).
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Average for round-trip flights in March 2026
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Price to beat on a round-trip flight from Reykjavik (REK) to London Heathrow.
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Price to beat on a one-way flight from Reykjavik (REK) to London Heathrow.
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Reykjavik to Heathrow 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 2,558,603 searches. Data last updated March 6, 2026.
Use the filters below to find and compare flights from Reykjavik to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ReykjavikLondon

KEF - LHR

KEFLHR

Reykjavik Keflavik Intl

Fri 5/1

7:55 am-6:50 pm

1 stop9h 55m

London Heathrow

Fri 5/8

7:50 pm-8:45 am

1 stop13h 55m

$257

ReykjavikLondon

KEF - LHR

KEFLHR

Reykjavik Keflavik Intl

Tue 4/14

11:15 am-9:35 pm

1 stop9h 20m

London Heathrow

Tue 4/21

9:05 pm-10:25 am

2 stops14h 20m

$272
Quickest round-trip

ReykjavikLondon

KEF - LHR

KEFLHR

Reykjavik Keflavik Intl

Sun 5/24

10:20 am-2:30 pm

Nonstop3h 10m

London Heathrow

Sun 5/31

7:25 am-9:30 am

Nonstop3h 05m

$307

ReykjavikLondon

KEF - LHR

KEFLHR

Reykjavik Keflavik Intl

Wed 4/15

11:15 am-6:50 pm

1 stop6h 35m

London Heathrow

Sat 5/2

6:40 am-4:20 pm

1 stop10h 40m

$310

ReykjavikLondon

KEF - LHR

KEFLHR

Reykjavik Keflavik Intl

Sat 4/18

4:10 pm-8:20 pm

Nonstop3h 10m

London Heathrow

Fri 5/1

9:25 pm-11:35 pm

Nonstop3h 10m

$313

ReykjavikLondon

KEF - LHR

KEFLHR

Reykjavik Keflavik Intl

Wed 4/15

4:10 pm-8:20 pm

Nonstop3h 10m

London Heathrow

Sun 5/3

1:05 pm-3:15 pm

Nonstop3h 10m

$348

ReykjavikLondon

KEF - LHR

KEFLHR

Reykjavik Keflavik Intl

Fri 4/17

7:55 am-7:55 pm

2 stops11h 00m

London Heathrow

Sat 5/2

6:40 am-4:20 pm

1 stop10h 40m

$361

ReykjavikLondon

KEF - LHR

KEFLHR

Reykjavik Keflavik Intl

Mon 3/16

7:35 am-10:50 am

Nonstop3h 15m

London Heathrow

Thu 4/9

9:25 pm-11:35 pm

Nonstop3h 10m

$366

ReykjavikLondon

KEF - LHR

KEFLHR

Reykjavik Keflavik Intl

Mon 3/16

7:35 am-10:50 am

Nonstop3h 15m

London Heathrow

Sat 4/11

9:25 pm-11:35 pm

Nonstop3h 10m

$366
Cheapest one-way

ReykjavikLondon

KEF - LHR

KEFLHR

Reykjavik Keflavik Intl

Sun 4/19

8:10 pm-7:40 am

1 stop10h 30m

$103

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/1

Showing 1-10 of 19 resultsSorted by cheapest first
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Compare providers for flights from Reykjavik to Heathrow

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Reykjavik to Heathrow in March.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Reykjavik-London Heathrow Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Reykjavik-London Heathrow Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Reykjavik-London Heathrow Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Reykjavik-London Heathrow Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Reykjavik-London Heathrow Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Reykjavik to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Reykjavik with our price prediction graph.
Estimated round-trip 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 Reykjavik to London Heathrow Airport

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

Currently, March is the cheapest month in which you can book a flight from Reykjavik to London Heathrow Airport (average of $148). Flying from Reykjavik to London Heathrow Airport in April is currently the most expensive (average of $577). 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 REK to LHR?

Find hourly flight availability from Reykjavik to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 6, 2026.

When flying from Reykjavik to London Heathrow Airport, 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 Reykjavik to London Heathrow Airport

Explore weekly flight availability from Reykjavik to Heathrow. 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 March 6, 2026.

The most flights from REK to LHR 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 (8 on average).

How often are flights from Reykjavik to London delayed?

About 9% of weekly flights between Reykjavik and London have experienced delays in the past year, with the average delay time being 111 minutes.

What is the most punctual flight time for Reykjavik to London flights?

Historically, flights departing in the early afternoon are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Saturday tends to have the lowest number of delays on this route, whereas Wednesday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Reykjavik to London flights?

Over the last year, Icelandair have had the lowest number of delays on this route, with just 9% of flights being delayed.

Related info for your journey

Find useful and relevant information for your journey from Reykjavik to Heathrow. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What is the cheapest airline to fly from Reykjavik to London Heathrow Airport round-trip?

    Flying on Icelandair is currently your cheapest option to London Heathrow Airport, with prices starting at $266.

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

    One-way options have recently been found by users for as low as $111 on British Airways. Other airlines that offer cheap prices include Scandinavian Airlines from $122 and Icelandair from $209 one-way.

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

    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 Reykjavik to London Heathrow Airport on time: Turkish Airlines (93%), Icelandair (89%), Emirates (89%).

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

    Looking for the cheapest flight from Reykjavik to London Heathrow Airport? While on average our users pay $1,286, our data indicates the cheapest price to be $136. The most popular route (Reykjavik Keflavik Intl - London Heathrow), is priced around $183.

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

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

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

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

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

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

    Currently, March is the cheapest month in which you can book a flight from Reykjavik to London Heathrow Airport (average of $148). Flying from Reykjavik to London Heathrow Airport in April is currently the most expensive (average of $577). 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

Traveling to a place near London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Ilford
Hounslow
Croydon
Gatwick
Southend-on-Sea
Harrow
Eastleigh
Dartford
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Winchester
Orpington
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Borehamwood
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Aylesbury
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Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Reykjavik to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.
Keflavik Intl to Heathrow flights

Top airline flying from Reykjavik to Heathrow

Discover the top airline that operate flights from Reykjavik to Heathrow. 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 2,558,603 searches. Data last updated March 6, 2026.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$266Average$386FlexibilityNo cancel feeOn-time76%

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