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Cheap flights from Reykjavik Keflavik Intl Airport to London from £72

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 12/5. Fares are subject to change and may not be available on all flights or dates of travel.
KEF — LON
9 May — 16 May1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Keflavik Intl to London

Enter your travel dates to find the best prices.

Cheapest flights from Keflavik Intl to London
Explore the most affordable flight options available from Keflavik Intl to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 9 April 2026.

Wed 6/519:55
KEF
-
STN
1 stop13h 20m
Multiple Airlines
Wed 13/521:20
STN
-
KEF
1 stop12h 00m
Multiple Airlines
Deal found 6/4£128
Wed 6/519:55
KEF
-
LTN
1 stop10h 40m
Multiple Airlines
Wed 13/520:35
LTN
-
KEF
1 stop12h 45m
Multiple Airlines
Deal found 6/4£130
Sun 24/509:10
KEF
-
LTN
Nonstop2h 55m
easyJet
Sun 31/506:25
LTN
-
KEF
Nonstop3h 05m
easyJet
Deal found 6/4£130
Sun 20/909:10
KEF
-
LTN
Nonstop2h 55m
easyJet
Wed 30/906:15
LTN
-
KEF
Nonstop3h 05m
easyJet
Deal found 8/4£132
Sun 24/519:35
KEF
-
LTN
1 stop11h 00m
Multiple Airlines
Sun 31/520:35
LTN
-
KEF
1 stop22h 05m
Multiple Airlines
Deal found 9/4£136
Tue 28/419:55
KEF
-
LTN
1 stop10h 40m
Multiple Airlines
Wed 27/520:35
LTN
-
KEF
1 stop12h 45m
Multiple Airlines
Deal found 5/4£137
Tue 5/519:00
KEF
-
LTN
1 stop11h 45m
Wizz Air
Tue 12/508:30
LTN
-
KEF
1 stop11h 45m
Wizz Air
Deal found 6/4£138
Sat 23/519:55
KEF
-
LTN
1 stop10h 40m
Multiple Airlines
Sun 7/606:25
LTN
-
KEF
Nonstop3h 05m
Multiple Airlines
Deal found 4/4£140
Fri 5/619:25
KEF
-
LTN
1 stop18h 10m
Multiple Airlines
Sun 7/606:25
LTN
-
KEF
Nonstop3h 05m
Multiple Airlines
Deal found 8/4£142
Tue 21/419:55
KEF
-
STN
1 stop11h 10m
Multiple Airlines
Wed 22/410:45
STN
-
KEF
1 stop9h 30m
Multiple Airlines
Deal found 6/4£143
Sat 2/519:55
KEF
-
LTN
1 stop10h 40m
Multiple Airlines
Sun 31/506:25
LTN
-
KEF
Nonstop3h 05m
Multiple Airlines
Deal found 5/4£143
Sat 23/500:15
KEF
-
STN
1 stop10h 00m
Multiple Airlines
Sun 31/521:25
STN
-
KEF
2 stops21h 15m
Multiple Airlines
Deal found 9/4£145

Find flight deals from Keflavik Intl to London

Discover tips and strategies to find the most affordable flight options for your journey from Keflavik Intl (KEF) to London (LON). 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 9 April 2026.

Round-trip from

£128

One-way from

£72

Popular in

July

Cheapest in

November

Average price

£205

Good round-trip deal

£90 or less

Good one-way deal

£136 or less
6/5-13/5
  • 6/5-13/5
  • 2 total stops
  • 25h 20m total
  • Reykjavik to London
Search Deals
Wizz Air
  • Wizz Air
  • 12/5
  • 1 total stop
  • 10h 40m total
  • Reykjavik to London
Search Deals
Highest demand for flights based on searches. 17% potential increase in price (£30 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£7 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 2026
Search Deals
Price to beat on a round-trip flight from Reykjavik Keflavik Intl to London (LON).
Search Deals
Price to beat on a one-way flight from Reykjavik Keflavik Intl to London (LON).
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Keflavik Intl to London 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 9 April 2026.
Use the filters below to find and compare flights from Reykjavik Keflavik Intl Airport to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

ReykjavikLondon

KEF - LTN

KEFLTN

Reykjavik Keflavik Intl

Sun 24/5

19:35-07:35

1 stop11h 00m

London Luton

Sun 31/5

06:25-08:30

Nonstop3h 05m

£140

ReykjavikLondon

KEF - LTN

KEFLTN

Reykjavik Keflavik Intl

Tue 28/4

19:55-07:35

1 stop10h 40m

London Luton

Sat 30/5

08:30-19:15

1 stop11h 45m

£149
Fastest return journey

ReykjavikLondon

KEF - LTN

KEFLTN

Reykjavik Keflavik Intl

Wed 26/8

09:00-12:55

Nonstop2h 55m

London Luton

Sun 6/9

06:25-08:30

Nonstop3h 05m

£155

ReykjavikLondon

KEF - STN

KEFSTN

Reykjavik Keflavik Intl

Fri 8/5

09:05-20:20

1 stop10h 15m

London Stansted

Tue 12/5

22:00-15:10

1 stop18h 10m

£160

ReykjavikLondon

KEF - LTN

KEFLTN

Reykjavik Keflavik Intl

Sun 24/5

09:10-13:05

Nonstop2h 55m

London Luton

Sun 31/5

06:25-08:30

Nonstop3h 05m

£165

ReykjavikLondon

KEF - LTN

KEFLTN

Reykjavik Keflavik Intl

Fri 24/4

17:45-14:45

1 stop20h 00m

London Luton

Sun 26/4

06:25-08:30

Nonstop3h 05m

£165

ReykjavikLondon

KEF - STN

KEFSTN

Reykjavik Keflavik Intl

Sat 23/5

00:15-11:15

1 stop10h 00m

London Stansted

Sun 31/5

10:40-18:55

1 stop9h 15m

£168

ReykjavikLondon

KEF - LTN

KEFLTN

Reykjavik Keflavik Intl

Sat 20/6

19:20-23:15

Nonstop2h 55m

London Luton

Sun 21/6

06:25-08:30

Nonstop3h 05m

£176

ReykjavikLondon

KEF - STN

KEFSTN

Reykjavik Keflavik Intl

Fri 24/4

17:45-16:05

2 stops21h 20m

London Stansted

Sun 26/4

08:15-10:45

2 stops27h 30m

£177

ReykjavikLondon

KEF - LTN

KEFLTN

Reykjavik Keflavik Intl

Wed 29/4

09:00-12:55

Nonstop2h 55m

London Luton

Sat 30/5

08:30-19:15

1 stop11h 45m

£177

Flights are sorted by cheapest return flights first.

Deals found on 6/4

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from Keflavik Intl to London

Have a flexible travel schedule? Discover the best time to fly to London 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.

Cheapflights Insights

Everything you need to know about your flight from Reykjavik Keflavik Intl Airport to London

What is the cheapest time of day to fly from KEF to LON?

Find hourly flight availability from Keflavik Intl to London. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 9 April 2026.

When flying from Reykjavik Keflavik Intl Airport to London, 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

Explore weekly flight availability from Keflavik Intl to London. 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 9 April 2026.

The most flights from KEF to LON are scheduled on a Wednesday (22 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (12 on average).

How much does it cost for a return flight from Reykjavik Keflavik Intl Airport to London?

How often are flights from Reykjavik to London delayed?

About 10% of weekly flights between Reykjavik and London have experienced delays in the past year, with the average delay time being 113 minutes.

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

Historically, flights departing at night 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?

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

Reviews of airlines servicing London

Get insights into the airlines that provide service to London. 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 London. Reviews last updated 9 April 2026.
Read reviews from past customers who have flown with Icelandair from Reykjavik Keflavik Intl Airport to London. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Icelandair
7.0
Good
631 reviews
Check prices

Entertainment

6.9

Comfort

6.9

Food

6.2

Crew

8.0

Overall

7.0

Boarding

7.2

Reviews

1 / 20
10.0
Excellent

Ásmundur,Apr 2026

CDG - KEF

The flight was uneventfull and ahead of schedule. The crew was attentive and the service good.
Icelandair
7.0
Good
631 reviews
Icelandair
7.0
Good
631 reviews
Check prices

Entertainment

6.9

Comfort

6.9

Food

6.2

Crew

8.0

Overall

7.0

Boarding

7.2

Reviews

1 / 20
10.0
Excellent

Ásmundur,Apr 2026

CDG - KEF

The flight was uneventfull and ahead of schedule. The crew was attentive and the service good.

Related info for your journey

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

    Departing from Reykjavik Keflavik Intl Airport to London will take you 2h 55m. The distance from Reykjavik Keflavik Intl Airport to London is about 1156 mi. Both multi-stop and direct flights can be found to your destination and back.

  • What are the most popular routes from Reykjavik Keflavik Intl Airport to London?

    The most popular flight routes from Reykjavik Keflavik Intl Airport to London are Reykjavik Keflavik Intl - London Gatwick, Reykjavik Keflavik Intl - London Heathrow and Reykjavik Keflavik Intl - London City.

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

    The top 3 most reliable airlines when flying from Reykjavik Keflavik Intl Airport to London are Japan Airlines (100%), Qantas Airways (95%) and Qatar Airways (91%).

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

    Looking for the cheapest flight from Reykjavik Keflavik Intl Airport to London? While on average our users pay £204, our data indicates the cheapest price to be £109. The most popular route (Reykjavik Keflavik Intl - London Gatwick), is priced around £198.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Keflavik Intl to London by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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Yes! Start tracking prices for Keflavik Intl to London flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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