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$99+ Cheap flights from Reykjavik 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 5/22. Fares are subject to change and may not be available on all flights or dates of travel.
REK — LHR
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
1 adult, Economy
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Cheap flight deals from Reykjavik to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from Reykjavik (IS1) 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 February 20, 2025.

Round-trip from

$158
(Booking.com)

One-way from

$99
(Scandinavian Airlines)
From Reykjavik to London Heathrow
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One-way flight from Reykjavik to London Heathrow
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Find 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 February 20, 2025.

This Booking.com deal was found by Cheapflights users on 2/20. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/2011:40 amKEF - LHR
Nonstop3h 15mBritish Airways
Sun 3/237:20 amLHR - KEF
Nonstop3h 20mBritish Airways
Deal found 2/20$158
This Icelandair deal was found by Cheapflights users on 2/20. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/194:20 pmKEF - LHR
Nonstop3h 10mIcelandair
Tue 3/258:40 pmLHR - KEF
Nonstop3h 15mIcelandair
Deal found 2/20$170
This Mytrip deal was found by Cheapflights users on 2/20. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/2111:05 amKEF - LHR
1 stop9h 30mScandinavian Airlines
Sun 5/2510:35 amLHR - KEF
1 stop5h 45mScandinavian Airlines
Deal found 2/20$216
This Gotogate deal was found by Cheapflights users on 2/20. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/2111:05 amKEF - LHR
1 stop6h 45mMultiple Airlines
Sun 5/259:25 pmLHR - KEF
Nonstop3h 10mMultiple Airlines
Deal found 2/20$242
This SWISS deal was found by Cheapflights users on 2/20. 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.
Thu 5/89:05 amKEF - LHR
1 stop11h 40mSWISS
Tue 5/137:15 pmLHR - KEF
2 stops38h 05mSWISS
Deal found 2/20$285
This Gotogate deal was found by Cheapflights users on 2/19. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/3012:10 amKEF - LHR
1 stop7h 10mAustrian Airlines
Sat 6/73:05 pmLHR - KEF
1 stop9h 15mAustrian Airlines
Deal found 2/19$425
This Lufthansa deal was found by Cheapflights users on 2/20. 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.
Wed 3/262:15 pmKEF - LHR
2 stops25h 35mLufthansa
Wed 4/210:50 amLHR - KEF
2 stops22h 30mLufthansa
Deal found 2/20$430
This KLM deal was found by Cheapflights users on 2/20. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/198:05 pmKEF - LHR
1 stop11h 35mKLM
Sun 3/238:40 amLHR - KEF
1 stop10h 25mKLM
Deal found 2/20$432

Find flights from Reykjavik to Heathrow within your budget

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 February 20, 2025.

Fly from

Reykjavik

Fly to

Heathrow

Route

Depart

Return

Price

ReykjavikLondon

KEF - LHR

KEFLHR

Reykjavik Keflavik Intl

Thu 3/20

11:40 am-2:55 pm

Nonstop3h 15m

London Heathrow

Sun 3/23

7:20 am-10:40 am

Nonstop3h 20m

$158

ReykjavikLondon

KEF - LHR

KEFLHR

Reykjavik Keflavik Intl

Wed 3/19

4:20 pm-7:30 pm

Nonstop3h 10m

London Heathrow

Tue 3/25

8:40 pm-11:55 pm

Nonstop3h 15m

$170

ReykjavikLondon

KEF - LHR

KEFLHR

Reykjavik Keflavik Intl

Wed 5/21

11:05 am-9:35 pm

1 stop9h 30m

London Heathrow

Sun 5/25

10:35 am-3:20 pm

1 stop5h 45m

$216

ReykjavikLondon

KEF - LHR

KEFLHR

Reykjavik Keflavik Intl

Wed 5/21

11:05 am-6:50 pm

1 stop6h 45m

London Heathrow

Sun 5/25

9:25 pm-11:35 pm

Nonstop3h 10m

$242

ReykjavikLondon

KEF - LHR

KEFLHR

Reykjavik Keflavik Intl

Thu 5/8

9:05 am-9:45 pm

1 stop11h 40m

London Heathrow

Tue 5/13

7:15 pm-8:20 am

2 stops38h 05m

$285

ReykjavikLondon

KEF - LHR

KEFLHR

Reykjavik Keflavik Intl

Fri 5/30

12:10 am-8:20 am

1 stop7h 10m

London Heathrow

Sat 6/7

3:05 pm-11:20 pm

1 stop9h 15m

$425

ReykjavikLondon

KEF - LHR

KEFLHR

Reykjavik Keflavik Intl

Wed 3/26

2:15 pm-3:50 pm

2 stops25h 35m

London Heathrow

Wed 4/2

10:50 am-8:20 am

2 stops22h 30m

$430

ReykjavikLondon

KEF - LHR

KEFLHR

Reykjavik Keflavik Intl

Wed 3/19

8:05 pm-7:40 am

1 stop11h 35m

London Heathrow

Sun 3/23

8:40 am-7:05 pm

1 stop10h 25m

$432

ReykjavikLondon

KEF - LHR

KEFLHR

Reykjavik Keflavik Intl

Thu 5/22

11:05 am-6:50 pm

1 stop6h 45m

$99

ReykjavikLondon

KEF - LHR

KEFLHR

Reykjavik Keflavik Intl

Mon 5/12

10:45 am-3:00 pm

Nonstop3h 15m

$137

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

Showing 1-10 of 20 results
1
2

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.

Travel insights for flights from Reykjavik to Heathrow

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

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

Currently, November is the cheapest month in which you can book a flight from Reykjavik to London Heathrow Airport (average of $661). Flying from Reykjavik to London Heathrow Airport in June is currently the most expensive (average of $1,136). 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 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 February 20, 2025.

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 February 20, 2025.

The most flights from IS1 to LHR are scheduled on a Wednesday (9 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (2 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 February 20, 2025.
Read through reviews of airlines operating flights from Reykjavik to London, such as KLM, Finnair and Austrian Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.8
Good
1,333 reviews

Entertainment

7.2

Food

7.3

Crew

8.4

Overall

7.8

Comfort

7.7

Boarding

7.8

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

YWG - YYZ

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

KLM
7.8
Good
1,333 reviews
KLM
7.8
Good
1,333 reviews

Entertainment

7.2

Food

7.3

Crew

8.4

Overall

7.8

Comfort

7.7

Boarding

7.8

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

YWG - YYZ

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

Finnair
7.6
Good
1,273 reviews
KLM
7.8
Good
1,333 reviews

Entertainment

7.2

Food

7.3

Crew

8.4

Overall

7.8

Comfort

7.7

Boarding

7.8

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

YWG - YYZ

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

Austrian Airlines
7.6
Good
773 reviews
KLM
7.8
Good
1,333 reviews

Entertainment

7.2

Food

7.3

Crew

8.4

Overall

7.8

Comfort

7.7

Boarding

7.8

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

YWG - YYZ

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

SWISS
7.5
Good
1,568 reviews
KLM
7.8
Good
1,333 reviews

Entertainment

7.2

Food

7.3

Crew

8.4

Overall

7.8

Comfort

7.7

Boarding

7.8

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

YWG - YYZ

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

Turkish Airlines
7.3
Good
3,832 reviews
KLM
7.8
Good
1,333 reviews

Entertainment

7.2

Food

7.3

Crew

8.4

Overall

7.8

Comfort

7.7

Boarding

7.8

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

YWG - YYZ

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

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 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 $99 on Scandinavian Airlines. Other airlines that offer cheap prices include British Airways from $137 and Iberia from $179 one-way.

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

    The top 3 most reliable airlines when flying from Reykjavik to London Heathrow Airport are Emirates (89%), American Airlines (77%) and British Airways (77%).

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

    On average you can expect to pay $561 for a flight from Reykjavik to London Heathrow Airport. The cheapest flight overall is $115 while the most popular route, (Reykjavik Keflavik Intl - London Heathrow) is currently priced at $166.

  • 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, November is the cheapest month in which you can book a flight from Reykjavik to London Heathrow Airport (average of $661). Flying from Reykjavik to London Heathrow Airport in June is currently the most expensive (average of $1,136). 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
Hounslow
Hayes
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Wembley
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Canterbury
Northampton
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Milton Keynes
Dover
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Watford
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Ilford

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 2 airlines flying from Reykjavik to Heathrow

Discover the top 2 airlines 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 February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$88Average$230FlexibilityNo cancel feeOn-time70%
IcelandairCheapest$181Average$305FlexibilityNo cancel feeOn-time76%
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