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$73+ Cheap flights from Keflavik Intl (KEF) 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 2/14. Fares are subject to change and may not be available on all flights or dates of travel.
KEF — LHR
Dec 26 — Jan 21
Thu 12/26
Thu 1/2
1 adult, Economy
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Cheap flight deals from Keflavik Intl to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from Keflavik Intl (KEF) 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 December 21, 2024.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$152
(Mytrip)

One-way from

$73
(Mytrip)

Popular in

November

Cheapest in

February

Average price

$267
Provider with most accurate pricing for Reykjavik Keflavik Intl-London Heathrow flight deals.
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Provider most trusted by Cheapflights users for Reykjavik Keflavik Intl-London Heathrow flights.
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From Reykjavik Keflavik Intl to London Heathrow
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One-way flight from Reykjavik Keflavik Intl to London Heathrow
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High demand for flights, 13% potential price rise
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Best time to find cheap flights, 3% potential price drop
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Average for round-trip flights in December 2024
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Find flight deals from Keflavik Intl to Heathrow

Cheapest flights from Keflavik Intl to Heathrow
Explore the most affordable flight options available from Keflavik Intl to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 21, 2024.

This Scandinavian Airlines deal was found by Cheapflights users on 12/20. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/2711:30 amKEF - LHR
1 stop10h 10mScandinavian Airlines
Sun 1/57:30 pmLHR - KEF
2 stops18h 50mScandinavian Airlines
Deal found 12/20$376
This Kiwi.com deal was found by Cheapflights users on 12/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2311:45 amKEF - LHR
Nonstop3h 15mMultiple Airlines
Thu 12/268:50 amLHR - KEF
2 stops13h 45mMultiple Airlines
Deal found 12/20$486
This SWISS deal was found by Cheapflights users on 12/20. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/212:20 pmKEF - LHR
1 stop28h 55mSWISS
Wed 12/256:00 amLHR - KEF
1 stop7h 20mSWISS
Deal found 12/20$645
This Lufthansa deal was found by Cheapflights users on 12/20. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/202:55 pmKEF - LHR
1 stop16h 50mLufthansa
Tue 12/246:35 amLHR - KEF
2 stops30h 45mLufthansa
Deal found 12/20$664
This Icelandair deal was found by Cheapflights users on 12/21. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/234:20 pmKEF - LHR
Nonstop3h 10mIcelandair
Thu 12/268:40 pmLHR - KEF
Nonstop3h 15mIcelandair
Deal found 12/21$729

Find flights from Keflavik Intl to Heathrow within your budget

Customize your flight search to find flights from Keflavik Intl 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 December 21, 2024.

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Depart

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Price

ReykjavikLondon

KEF - LHR

KEFLHR

Reykjavik Keflavik Intl

Fri 3/21

6:45 pm-9:45 pm

Nonstop3h 00m

London Heathrow

Sat 3/29

7:35 am-10:55 am

Nonstop3h 20m

$152

ReykjavikLondon

KEF - LHR

KEFLHR

Reykjavik Keflavik Intl

Thu 3/20

4:20 pm-7:30 pm

Nonstop3h 10m

London Heathrow

Mon 3/24

8:40 pm-11:55 pm

Nonstop3h 15m

$172

ReykjavikLondon

KEF - LHR

KEFLHR

Reykjavik Keflavik Intl

Mon 1/20

11:30 am-6:30 pm

1 stop7h 00m

London Heathrow

Mon 1/27

7:35 am-10:55 am

Nonstop3h 20m

$195

ReykjavikLondon

KEF - LHR

KEFLHR

Reykjavik Keflavik Intl

Wed 4/16

11:05 am-9:35 pm

1 stop9h 30m

London Heathrow

Sat 4/19

6:40 am-4:20 pm

1 stop10h 40m

$206

ReykjavikLondon

KEF - LHR

KEFLHR

Reykjavik Keflavik Intl

Sat 6/7

12:10 am-9:40 pm

1 stop20h 30m

London Heathrow

Sun 6/15

6:00 am-11:20 pm

1 stop18h 20m

$278

ReykjavikLondon

KEF - LHR

KEFLHR

Reykjavik Keflavik Intl

Sun 1/12

3:15 pm-10:15 pm

1 stop7h 00m

London Heathrow

Sun 1/19

7:30 am-2:15 pm

1 stop6h 45m

$291

ReykjavikLondon

KEF - LHR

KEFLHR

Reykjavik Keflavik Intl

Sat 1/18

2:20 pm-9:40 pm

1 stop7h 20m

London Heathrow

Sat 1/25

6:00 am-1:20 pm

1 stop7h 20m

$298

ReykjavikLondon

KEF - LHR

KEFLHR

Reykjavik Keflavik Intl

Fri 2/14

11:45 am-3:00 pm

Nonstop3h 15m

$73

ReykjavikLondon

KEF - LHR

KEFLHR

Reykjavik Keflavik Intl

Tue 1/21

11:30 am-6:30 pm

1 stop7h 00m

$93

ReykjavikLondon

KEF - LHR

KEFLHR

Reykjavik Keflavik Intl

Fri 2/28

8:20 pm-6:25 pm

1 stop22h 05m

$122

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/19

Showing 1-10 of 16 results
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Compare providers for flights from Keflavik Intl 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 Keflavik Intl to Heathrow in December.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice 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 Keflavik Intl Airport-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 Keflavik Intl Airport-London Heathrow Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Reykjavik Keflavik Intl Airport-London Heathrow Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Reykjavik Keflavik Intl Airport-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 Keflavik Intl Airport-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 Keflavik Intl to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Keflavik Intl 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.

Travel insights for flights from Keflavik Intl to Heathrow

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

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

Currently, November is the cheapest month in which you can book a flight from Reykjavik Keflavik Intl Airport to London Heathrow Airport (average of $661). Flying from Reykjavik Keflavik Intl Airport to London Heathrow Airport in June is currently the most expensive (average of $1,135). 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 KEF to LHR?

Find hourly flight availability from Keflavik Intl 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 December 21, 2024.

One of the essential ways to save on airfare from Reykjavik Keflavik Intl Airport to London Heathrow Airport is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the morning could potentially save you up to 33% on airfare.

Weekly flight availability from Reykjavik Keflavik Intl Airport to London Heathrow Airport

Explore weekly flight availability from Keflavik Intl 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 December 21, 2024.

The most flights from KEF to LHR are scheduled on a Monday (15 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (5 on average).

Rainfall in Heathrow by month

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

In terms of precipitation, rainfall in London Heathrow Airport ranges from 1.6 - 2.8 inches per month. January is typically the wettest month, when rainfall can reach 2.8 in. July is typically the driest time to visit London Heathrow Airport when rainfall is around 1.6 in.

Temperature in Heathrow by month

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

If weather is an important factor for your trip to London Heathrow Airport, 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 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).

Reviews of airlines servicing Heathrow

Get insights into the airlines that provide service to Heathrow. 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 Heathrow. Reviews last updated December 21, 2024.
Austrian Airlines
7.6
Good
785 reviews

Food

6.8

Comfort

7.3

Overall

7.6

Crew

8.1

Entertainment

6.8

Boarding

7.6

Reviews

1 / 10

We are paying 200-300 Eur per flight, it is outrageous they don't offer water for free.

Austrian Airlines
7.6
Good
785 reviews
Austrian Airlines
7.6
Good
785 reviews

Food

6.8

Comfort

7.3

Overall

7.6

Crew

8.1

Entertainment

6.8

Boarding

7.6

Reviews

1 / 10

We are paying 200-300 Eur per flight, it is outrageous they don't offer water for free.

SWISS
7.6
Good
1,604 reviews
Austrian Airlines
7.6
Good
785 reviews

Food

6.8

Comfort

7.3

Overall

7.6

Crew

8.1

Entertainment

6.8

Boarding

7.6

Reviews

1 / 10

We are paying 200-300 Eur per flight, it is outrageous they don't offer water for free.

Air France
7.4
Good
1,501 reviews
Austrian Airlines
7.6
Good
785 reviews

Food

6.8

Comfort

7.3

Overall

7.6

Crew

8.1

Entertainment

6.8

Boarding

7.6

Reviews

1 / 10

We are paying 200-300 Eur per flight, it is outrageous they don't offer water for free.

Turkish Airlines
7.3
Good
3,899 reviews
Austrian Airlines
7.6
Good
785 reviews

Food

6.8

Comfort

7.3

Overall

7.6

Crew

8.1

Entertainment

6.8

Boarding

7.6

Reviews

1 / 10

We are paying 200-300 Eur per flight, it is outrageous they don't offer water for free.

Scandinavian Airlines
7.3
Good
1,312 reviews
Austrian Airlines
7.6
Good
785 reviews

Food

6.8

Comfort

7.3

Overall

7.6

Crew

8.1

Entertainment

6.8

Boarding

7.6

Reviews

1 / 10

We are paying 200-300 Eur per flight, it is outrageous they don't offer water for free.

Related info for your journey

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

    British Airways, at $152, was found to be the cheapest airline from Reykjavik Keflavik Intl Airport to London Heathrow Airport.Alternate airlines to your destination round-trip include Icelandair and Scandinavian Airlines. British Airways is priced at 43% lower than the current average price of a flight leaving 3 months from now.

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

    The cheapest airlines for a one-way flight from Reykjavik Keflavik Intl Airport to London Heathrow Airport are British Airways ($73), Scandinavian Airlines ($93), and SWISS ($148).

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

    No one likes to see their flight delayed. When booking a flight from Reykjavik Keflavik Intl Airport to London Heathrow Airport consider choosing Turkish Airlines (93%), American Airlines (89%) or Icelandair (87%) as they are the most reliable in getting you off to your destination on time.

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

    Looking at all options, your cheapest flight can be booked for $133. While the most popular route (Reykjavik Keflavik Intl - London Heathrow) can be booked for $166 on average our data indicates $811 when flying from Reykjavik Keflavik Intl Airport to London Heathrow Airport.

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

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

  • How can I find direct flights from Keflavik Intl to Heathrow?

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

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

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

    Currently, November is the cheapest month in which you can book a flight from Reykjavik Keflavik Intl Airport to London Heathrow Airport (average of $661). Flying from Reykjavik Keflavik Intl Airport to London Heathrow Airport in June is currently the most expensive (average of $1,135). 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.

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Top 2 airlines flying from Keflavik Intl to Heathrow

Discover the top 2 airlines that operate flights from Keflavik Intl 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 December 21, 2024.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$88Average$211FlexibilityNo cancel feeOn-time70%
IcelandairCheapest$181Average$297FlexibilityNo cancel feeOn-time76%
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