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Reykjavik

$109+ Cheap flights from Heathrow (LHR) to Reykjavik (REK)

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 5/19. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — REK
Apr 7 — Apr 141
Tue 4/7
Tue 4/14
1 adult, Economy
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1. Tell us where you want to go

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Cheapflights Tip: The best prices from London Heathrow to Reykjavik are usually found in January or November, booked 80 days in advance, depart on a Monday or Friday and return on a Thursday

Cheap 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 March 8, 2026.

This 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/229:25 pm
LHR
-
KEF
Nonstop3h 10m
Icelandair
Sun 4/267:40 am
KEF
-
LHR
Nonstop3h 15m
Icelandair
Deal found 3/4$172
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.
Tue 4/217:50 am
LHR
-
KEF
Nonstop3h 05m
British Airways
Tue 4/2810:50 am
KEF
-
LHR
Nonstop3h 10m
British Airways
Deal found 3/6$182
This 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/318:35 pm
LHR
-
KEF
Nonstop3h 20m
Icelandair
Sat 11/77:35 am
KEF
-
LHR
Nonstop3h 15m
Icelandair
Deal found 3/4$192
This Booking.com 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/239:25 pm
LHR
-
KEF
Nonstop3h 10m
Icelandair
Tue 4/287:40 am
KEF
-
LHR
Nonstop3h 15m
Icelandair
Deal found 3/3$196
This British Airways deal was found by Cheapflights users on 3/7. 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.
Sat 4/187:20 am
LHR
-
KEF
Nonstop3h 05m
British Airways
Fri 4/2410:30 am
KEF
-
LHR
Nonstop3h 10m
British Airways
Deal found 3/7$200
This British Airways 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/207:40 am
LHR
-
KEF
Nonstop3h 05m
British Airways
Thu 4/2310:40 am
KEF
-
LHR
Nonstop3h 10m
British Airways
Deal found 3/4$201
This British Airways deal was found by Cheapflights users on 3/7. 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.
Tue 4/287:50 am
LHR
-
KEF
Nonstop3h 05m
British Airways
Thu 5/710:40 am
KEF
-
LHR
Nonstop3h 10m
British Airways
Deal found 3/7$207
This British Airways deal was found by Cheapflights users on 3/7. 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.
Thu 4/167:35 am
LHR
-
KEF
Nonstop3h 05m
British Airways
Fri 4/2410:30 am
KEF
-
LHR
Nonstop3h 10m
British Airways
Deal found 3/7$208
This Priceline 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/129:25 pm
LHR
-
KEF
Nonstop3h 10m
Icelandair
Fri 5/154:10 pm
KEF
-
LHR
Nonstop3h 10m
Icelandair
Deal found 3/6$209
This Travelocity 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/97:20 am
LHR
-
KEF
Nonstop3h 05m
British Airways
Tue 5/1210:50 am
KEF
-
LHR
Nonstop3h 10m
British Airways
Deal found 3/5$210
This Booking.com deal was found by Cheapflights users on 3/7. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/229:25 pm
LHR
-
KEF
Nonstop3h 10m
Icelandair
Tue 4/287:40 am
KEF
-
LHR
Nonstop3h 15m
Icelandair
Deal found 3/7$211
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/29:25 pm
LHR
-
KEF
Nonstop3h 10m
Icelandair
Thu 5/74:10 pm
KEF
-
LHR
Nonstop3h 10m
Icelandair
Deal found 3/6$213

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 March 8, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$172

One-way from

$109
(Kiwi.com)

Popular in

July

Cheapest in

January

Average price

$278

Good round-trip deal

$403 or less

Good one-way deal

$368 or less
Provider with most accurate pricing for London Heathrow-Reykjavik (REK) flight deals.
Search Deals
Provider most trusted by Cheapflights users for London Heathrow-Reykjavik (REK) flights.
Search Deals
From London Heathrow to Reykjavik (REK)
Search Deals
One-way flight from London Heathrow to Reykjavik (REK)
Search Deals
Highest demand for flights based on searches. 25% potential increase in price ($104 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($14 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals
Price to beat on a round-trip flight from London Heathrow to Reykjavik (REK).
Search Deals
Price to beat on a one-way flight from London Heathrow to Reykjavik (REK).
Search Deals

Cheapflights Fare Finder

 
Customize 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 2,558,603 searches. Data last updated March 8, 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 round-trip

LondonReykjavik

LHR - KEF

LHRKEF

London Heathrow

Wed 4/8

9:25 pm-11:35 pm

Nonstop3h 10m

Reykjavik Keflavik Intl

Tue 4/14

7:40 am-11:55 am

Nonstop3h 15m

$298

LondonReykjavik

LHR - KEF

LHRKEF

London Heathrow

Thu 4/23

6:40 am-4:15 pm

1 stop10h 35m

Reykjavik Keflavik Intl

Tue 4/28

10:30 am-9:35 pm

2 stops10h 05m

$300

LondonReykjavik

LHR - KEF

LHRKEF

London Heathrow

Fri 5/8

3:35 pm-12:35 am

2 stops10h 00m

Reykjavik Keflavik Intl

Mon 5/11

11:15 am-9:20 pm

2 stops9h 05m

$322

LondonReykjavik

LHR - KEF

LHRKEF

London Heathrow

Sat 5/2

6:40 am-4:20 pm

2 stops10h 40m

Reykjavik Keflavik Intl

Thu 5/7

11:15 am-9:40 pm

2 stops9h 25m

$339

LondonReykjavik

LHR - KEF

LHRKEF

London Heathrow

Tue 4/7

7:50 pm-10:25 am

1 stop15h 35m

Reykjavik Keflavik Intl

Wed 5/6

10:30 am-9:20 pm

2 stops9h 50m

$400

LondonReykjavik

LHR - KEF

LHRKEF

London Heathrow

Wed 4/29

7:05 am-4:45 pm

2 stops10h 40m

Reykjavik Keflavik Intl

Mon 5/4

10:30 am-9:35 pm

2 stops10h 05m

$409

LondonReykjavik

LHR - KEF

LHRKEF

London Heathrow

Sun 5/24

9:25 pm-11:35 pm

Nonstop3h 10m

Reykjavik Keflavik Intl

Tue 6/2

7:40 am-11:55 am

Nonstop3h 15m

$436

LondonReykjavik

LHR - KEF

LHRKEF

London Heathrow

Mon 5/18

6:40 am-7:20 pm

2 stops13h 40m

Reykjavik Keflavik Intl

Thu 5/21

11:15 am-9:40 pm

2 stops9h 25m

$437

LondonReykjavik

LHR - KEF

LHRKEF

London Heathrow

Fri 4/24

9:05 pm-9:40 am

2 stops13h 35m

Reykjavik Keflavik Intl

Sun 4/26

5:05 pm-9:35 am

2 stops15h 30m

$455

LondonReykjavik

LHR - KEF

LHRKEF

London Heathrow

Sun 5/24

6:40 am-4:15 pm

2 stops10h 35m

Reykjavik Keflavik Intl

Fri 5/29

7:55 am-9:20 pm

2 stops12h 25m

$460

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/7

Showing 1-10 of 22 resultsSorted by cheapest first
1
2
3

Compare providers for flights from Heathrow to Reykjavik

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 Heathrow to Reykjavik in March.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
oojoPrice 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 London Heathrow Airport-Reykjavik flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on London Heathrow Airport-Reykjavik flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from London Heathrow Airport-Reykjavik flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on London Heathrow Airport-Reykjavik 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 London Heathrow Airport-Reykjavik 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 Heathrow to Reykjavik

Have a flexible travel schedule? Discover the best time to fly to Reykjavik from Heathrow 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 London Heathrow Airport to Reykjavik

How far ahead should I book a flight from London Heathrow Airport to Reykjavik?

Use this chart to determine the optimal time to book a round-trip flight from Heathrow to Reykjavik. Price data was last updated on March 6, 2026.

Booking 80 days in advance of your planned departure date is, on average, the best time to get cheap flights from London Heathrow Airport to Reykjavik. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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 $76). Flying from London Heathrow Airport to Reykjavik in August is currently the most expensive (average of $320). 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 March 8, 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 March 8, 2026.

The most flights from LHR to REK are scheduled on a Sunday (15 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (8 on average).

How much does it cost to fly round-trip from London Heathrow Airport to Reykjavik?

How often are flights from London to Reykjavik delayed?

About 8% of weekly flights between London and Reykjavik have experienced delays in the past year, with the average delay time being 112 minutes.

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

Historically, flights departing in the morning 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 Wednesday 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 last year, British Airways have had the lowest number of delays on this route, with just 7% of flights being delayed.

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 March 8, 2026.
See what other customers who have flown with Icelandair and British Airways from London Heathrow Airport to Reykjavik have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Icelandair
7.1
Good
618 reviews

Crew

8.0

Boarding

7.2

Overall

7.1

Food

6.2

Comfort

7.0

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Nov 2025

AMS - KEF

We paid a total of 328.00 for specific seats and we were not assigned to any of the seats for which we paid.
Icelandair
7.1
Good
618 reviews
Icelandair
7.1
Good
618 reviews

Crew

8.0

Boarding

7.2

Overall

7.1

Food

6.2

Comfort

7.0

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Nov 2025

AMS - KEF

We paid a total of 328.00 for specific seats and we were not assigned to any of the seats for which we paid.
British Airways
6.7
Okay
7,779 reviews
Icelandair
7.1
Good
618 reviews

Crew

8.0

Boarding

7.2

Overall

7.1

Food

6.2

Comfort

7.0

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Nov 2025

AMS - KEF

We paid a total of 328.00 for specific seats and we were not assigned to any of the seats for which we paid.

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 10m. London Heathrow Airport and Reykjavik are separated by a distance of 1177 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    Cheapflights users have booked flights from London Heathrow Airport to Reykjavik round-trip from $169. Another airline that can offer you cheap pricing is Icelandair. Users have found that British Airways is 45% cheaper than the other options available to this destination.

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

    Before booking your flight to Reykjavik from London Heathrow Airport, check out the most reliable airlines to get you to your destination on time: TAP AIR PORTUGAL (93%), Icelandair (90%), Emirates( 90%).

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

    Looking for the cheapest flight from London Heathrow Airport to Reykjavik? While on average our users pay $946, our data indicates the cheapest price to be $180. The most popular route (London Heathrow - Reykjavik Keflavik Intl), is priced around $223.

  • 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 vacation 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 $76). Flying from London Heathrow Airport to Reykjavik in August is currently the most expensive (average of $320). 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 Reykjavik?

Book flights to Reykjavik if you plan to visit one of these locations
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Alternative routes for Heathrow to Reykjavik

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

Top 2 airlines flying from Heathrow to Reykjavik

Discover the top 2 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 2,558,603 searches. Data last updated March 8, 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$169Average$428FlexibilityNo cancel feeOn-time70%
IcelandairCheapest$202Average$377FlexibilityNo cancel feeOn-time76%

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