Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from Reykjavik Keflavik Intl Airport to London Heathrow Airport from £54

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 11/4. Fares are subject to change and may not be available on all flights or dates of travel.
KEF — LHR
24 dec — 31 dec1
1 adult

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 19 december 2024.

Round-trip from

£124

One-way from

£54

Popular in

November

Cheapest in

February

Average price

£211
Icelandair
  • Icelandair
  • 10/1-17/1
  • Nonstop
  • 6h 25m total
  • Reykjavik to London
Search Deals
British Airways
  • British Airways
  • 11/4
  • Nonstop
  • 3h 10m total
  • Reykjavik to London
Search Deals
High demand for flights, 13% potential price rise
Search Deals
Best time to find cheap flights, 3% potential price drop
Search Deals
Average for round-trip flights in December 2024
Search Deals

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 19 december 2024.

tis 31/1211:30KEF - LHR
1 stop6h 10mMultiple Airlines
tors 2/120:40LHR - KEF
Nonstop3h 15mMultiple Airlines
Deal found 18/12£187
tis 31/1211:30KEF - LHR
1 stop6h 10mScandinavian Airlines
tors 2/119:30LHR - KEF
1 stop27h 50mScandinavian Airlines
Deal found 18/12£262
lör 21/1207:35KEF - LHR
Nonstop3h 15mIcelandair
tis 31/1212:15LHR - KEF
Nonstop3h 15mIcelandair
Deal found 17/12£272
ons 25/1214:15KEF - LHR
1 stop7h 25mSWISS
ons 1/106:00LHR - KEF
1 stop7h 20mSWISS
Deal found 18/12£315
mån 23/1211:45KEF - LHR
Nonstop3h 15mBritish Airways
sön 29/1207:20LHR - KEF
Nonstop3h 20mBritish Airways
Deal found 17/12£319
tis 24/1214:55KEF - LHR
1 stop7h 20mLufthansa
tis 31/1206:35LHR - KEF
2 stops30h 45mLufthansa
Deal found 17/12£338

Find flights from Keflavik Intl to Heathrow within your budget

Customise 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 858,174 searches. Data last updated 19 december 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

ReykjavikLondon

KEF - LHR

KEFLHR

Reykjavik Keflavik Intl

fre 10/1

16:20-19:30

Nonstop3h 10m

London Heathrow

fre 17/1

20:40-23:55

Nonstop3h 15m

£124

ReykjavikLondon

KEF - LHR

KEFLHR

Reykjavik Keflavik Intl

tors 16/1

11:40-14:55

Nonstop3h 15m

London Heathrow

sön 19/1

13:45-17:10

Nonstop3h 25m

£126

ReykjavikLondon

KEF - LHR

KEFLHR

Reykjavik Keflavik Intl

tors 16/1

11:30-17:40

1 stop6h 10m

London Heathrow

sön 19/1

20:40-23:55

Nonstop3h 15m

£148

ReykjavikLondon

KEF - LHR

KEFLHR

Reykjavik Keflavik Intl

tis 3/6

10:20-18:30

1 stop7h 10m

London Heathrow

ons 11/6

19:50-10:15

1 stop15h 25m

£174

ReykjavikLondon

KEF - LHR

KEFLHR

Reykjavik Keflavik Intl

lör 7/6

00:10-21:40

1 stop20h 30m

London Heathrow

sön 15/6

06:00-23:20

1 stop18h 20m

£220

ReykjavikLondon

KEF - LHR

KEFLHR

Reykjavik Keflavik Intl

lör 1/2

14:20-16:20

1 stop26h 00m

London Heathrow

lör 8/2

06:00-13:20

1 stop7h 20m

£329

ReykjavikLondon

KEF - LHR

KEFLHR

Reykjavik Keflavik Intl

tors 1/5

01:10-19:40

1 stop17h 30m

London Heathrow

mån 5/5

09:00-23:35

2 stops15h 35m

£333

ReykjavikLondon

KEF - LHR

KEFLHR

Reykjavik Keflavik Intl

fre 11/4

10:30-14:40

Nonstop3h 10m

£54

ReykjavikLondon

KEF - LHR

KEFLHR

Reykjavik Keflavik Intl

ons 16/4

11:05-21:35

1 stop9h 30m

£67

ReykjavikLondon

KEF - LHR

KEFLHR

Reykjavik Keflavik Intl

tors 20/3

09:25-17:45

1 stop8h 20m

£95

Flights are sorted by cheapest return flights first.

Deals found on 18/12

Showing 1-10 of 15 results
1
2

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 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.

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, January is the cheapest month in which you can book a flight from Reykjavik Keflavik Intl Airport to London Heathrow Airport (average of £112). Flying from Reykjavik Keflavik Intl Airport to London Heathrow Airport in July is currently the most expensive (average of £160). 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 19 december 2024.

When flying from Reykjavik Keflavik Intl Airport 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 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 19 december 2024.

The most flights from KEF to LHR are scheduled on a Monday (15 on average). You will have fewer flight options on Friday, 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 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London Heathrow Airport when rainfall is around 40.0 mm.

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 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

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 19 december 2024.
Get a feel of what it's like to fly with Icelandair, Scandinavian Airlines and SWISS from Reykjavik to London by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
SWISS
7.6
Good
1,605 reviews
Check prices

Entertainment

6.8

Comfort

7.4

Overall

7.6

Food

7.1

Boarding

7.7

Crew

8.2

Reviews

1 / 10

Food was not very good and the options were poor. The seat wasn't very comfortable. I would not choose to fly on this airline again. Their website was also difficult to navigate.

SWISS
7.6
Good
1,605 reviews
SWISS
7.6
Good
1,605 reviews
Check prices

Entertainment

6.8

Comfort

7.4

Overall

7.6

Food

7.1

Boarding

7.7

Crew

8.2

Reviews

1 / 10

Food was not very good and the options were poor. The seat wasn't very comfortable. I would not choose to fly on this airline again. Their website was also difficult to navigate.

Austrian Airlines
7.6
Good
788 reviews
SWISS
7.6
Good
1,605 reviews
Check prices

Entertainment

6.8

Comfort

7.4

Overall

7.6

Food

7.1

Boarding

7.7

Crew

8.2

Reviews

1 / 10

Food was not very good and the options were poor. The seat wasn't very comfortable. I would not choose to fly on this airline again. Their website was also difficult to navigate.

Scandinavian Airlines
7.3
Good
1,308 reviews
SWISS
7.6
Good
1,605 reviews
Check prices

Entertainment

6.8

Comfort

7.4

Overall

7.6

Food

7.1

Boarding

7.7

Crew

8.2

Reviews

1 / 10

Food was not very good and the options were poor. The seat wasn't very comfortable. I would not choose to fly on this airline again. Their website was also difficult to navigate.

Icelandair
7.1
Good
509 reviews
SWISS
7.6
Good
1,605 reviews
Check prices

Entertainment

6.8

Comfort

7.4

Overall

7.6

Food

7.1

Boarding

7.7

Crew

8.2

Reviews

1 / 10

Food was not very good and the options were poor. The seat wasn't very comfortable. I would not choose to fly on this airline again. Their website was also difficult to navigate.

TAP AIR PORTUGAL
7.1
Good
1,878 reviews
SWISS
7.6
Good
1,605 reviews
Check prices

Entertainment

6.8

Comfort

7.4

Overall

7.6

Food

7.1

Boarding

7.7

Crew

8.2

Reviews

1 / 10

Food was not very good and the options were poor. The seat wasn't very comfortable. I would not choose to fly on this airline again. Their website was also difficult to navigate.

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?

    Cheapflights users have booked flights from Reykjavik Keflavik Intl Airport to London Heathrow Airport round-trip from £124. Other airlines that can offer you cheap pricing are British Airways, from £126, and Scandinavian Airlines, from £174. Icelandair is priced at 41% 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 cheapet airlines for a one-way flight from Reykjavik Keflavik Intl Airport to London Heathrow Airport are British Airways (£54), Scandinavian Airlines (£67), and SWISS (£137).

  • What are the most reliable airlines from Reykjavik Keflavik Intl Airport 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 Keflavik Intl Airport to London Heathrow Airport on time: Turkish Airlines (93%), American Airlines (89%), Icelandair (87%).

  • 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 £72. While the most popular route (Reykjavik Keflavik Intl - London Heathrow) can be booked for £114 on average our data indicates £153 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 holiday 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, January is the cheapest month in which you can book a flight from Reykjavik Keflavik Intl Airport to London Heathrow Airport (average of £112). Flying from Reykjavik Keflavik Intl Airport to London Heathrow Airport in July is currently the most expensive (average of £160). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Keflavik Intl to Heathrow

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

Fly with Cheapflights

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 Keflavik Intl to Heathrow?

Cheapflights makes it easy to find Keflavik Intl to Heathrow flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Keflavik Intl to Heathrow?

Millions of users choose and trust Cheapflights to book the best flight deals from Keflavik Intl to Heathrow for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Keflavik Intl to Heathrow with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Keflavik Intl to Heathrow flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Keflavik Intl to Heathrow become cheaper?

Yes, Cheapflights offers price alerts on Keflavik Intl to Heathrow flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.