Cheap flights from Reykjavik Keflavik Intl Airport to London from £47
This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/11. Fares are subject to change and may not be available on all flights or dates of travel.
KEF — LON
11 Oct — 18 Oct1
Return
1 adult
Economy
Return
1 adult, Economy
Cheapflights Tip: The best prices from Reykjavik Keflavik Intl to London are usually found in March or February, booked 60 days in advance, depart on a Sunday or Friday and return on a Tuesday
Cheap 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 11 September 2025.
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 11 September 2025.
Wed 12/1111:55KEF - LTN
Nonstop2h 55measyJet
Thu 20/1114:00LTN - KEF
Nonstop3h 15measyJet
Deal found 9/9£47
Thu 20/1117:55KEF - LTN
Nonstop2h 55measyJet
Mon 24/1115:30LTN - KEF
Nonstop3h 15measyJet
Deal found 10/9£54
Thu 20/1118:05KEF - LGW
Nonstop3h 10measyJet
Sun 23/1107:00LGW - KEF
Nonstop3h 30measyJet
Deal found 10/9£57
Fri 12/1219:40KEF - LTN
Nonstop3h 00measyJet
Tue 16/1207:00LTN - KEF
Nonstop3h 15measyJet
Deal found 11/9£58
Thu 6/1117:55KEF - LTN
Nonstop2h 55measyJet
Mon 10/1108:00LTN - KEF
Nonstop3h 15measyJet
Deal found 11/9£60
Thu 27/1118:05KEF - LGW
Nonstop3h 10measyJet
Sun 30/1107:00LGW - KEF
Nonstop3h 30measyJet
Deal found 11/9£61
Thu 27/1117:55KEF - LTN
Nonstop2h 55measyJet
Sun 30/1106:00LTN - KEF
Nonstop3h 15measyJet
Deal found 11/9£61
Thu 20/1117:55KEF - LTN
Nonstop2h 55measyJet
Sun 23/1106:00LTN - KEF
Nonstop3h 15measyJet
Deal found 10/9£62
Fri 21/1119:40KEF - LTN
Nonstop3h 00measyJet
Mon 24/1115:30LTN - KEF
Nonstop3h 15measyJet
Deal found 9/9£63
Sun 21/1210:05KEF - LTN
Nonstop2h 55measyJet
Mon 5/108:00LTN - KEF
Nonstop3h 15measyJet
Deal found 11/9£64
Fri 12/1219:15KEF - LGW
Nonstop3h 10measyJet
Tue 16/1208:00LGW - KEF
Nonstop3h 30measyJet
Deal found 11/9£66
Wed 12/1118:05KEF - LGW
Nonstop3h 10measyJet
Thu 20/1113:55LGW - KEF
Nonstop3h 20measyJet
Deal found 9/9£71
Best flights from Keflavik Intl to London
Discover carefully curated flight deals from Keflavik Intl to London that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 11 September 2025.
Wed 12/1111:55KEF - LTN
Nonstop2h 55measyJet
Thu 20/1114:00LTN - KEF
Nonstop3h 15measyJet
Deal found 9/9£47
Thu 5/210:00KEF - LTN
Nonstop2h 55measyJet
Wed 11/208:00LTN - KEF
Nonstop3h 15measyJet
Deal found 10/9£50
Sat 4/1006:40KEF - STN
Nonstop3h 00mPLAY
Wed 8/1011:40STN - KEF
Nonstop3h 05mPLAY
Deal found 10/9£117
Thu 20/1117:55KEF - LTN
Nonstop2h 55measyJet
Mon 24/1115:30LTN - KEF
Nonstop3h 15measyJet
Deal found 10/9£54
Sun 26/1006:50KEF - STN
Nonstop3h 05mMultiple Airlines
Wed 5/1107:15STN - KEF
Nonstop3h 00mMultiple Airlines
Deal found 11/9£134
Fri 23/118:10KEF - LHR
Nonstop3h 00mBritish Airways
Sun 25/113:40LHR - KEF
Nonstop3h 25mBritish Airways
Deal found 9/9£136
Thu 20/1118:05KEF - LGW
Nonstop3h 10measyJet
Sun 23/1107:00LGW - KEF
Nonstop3h 30measyJet
Deal found 10/9£57
Thu 5/218:05KEF - LGW
Nonstop3h 10measyJet
Wed 11/213:55LGW - KEF
Nonstop3h 20measyJet
Deal found 9/9£59
Fri 23/119:40KEF - LTN
Nonstop3h 00measyJet
Sun 25/106:00LTN - KEF
Nonstop3h 15measyJet
Deal found 9/9£61
Thu 6/1120:00KEF - LCY
1 stop11h 15mKLM
Mon 10/1107:45LCY - KEF
1 stop11h 20mKLM
Deal found 10/9£188
Thu 20/1117:55KEF - LTN
Nonstop2h 55measyJet
Sun 23/1106:00LTN - KEF
Nonstop3h 15measyJet
Deal found 10/9£62
Fri 21/1119:40KEF - LTN
Nonstop3h 00measyJet
Mon 24/1115:30LTN - KEF
Nonstop3h 15measyJet
Deal found 9/9£63
Direct flights from Keflavik Intl to London
Explore direct flight options from Keflavik Intl to London based on user searches, and compare prices and availability for your desired travel dates. Data last updated 11 September 2025.
Wed 12/1111:55KEF - LTN
Nonstop2h 55measyJet
Thu 20/1114:00LTN - KEF
Nonstop3h 15measyJet
Deal found 9/9£47
Thu 5/210:00KEF - LTN
Nonstop2h 55measyJet
Wed 11/208:00LTN - KEF
Nonstop3h 15measyJet
Deal found 10/9£50
Thu 20/1117:55KEF - LTN
Nonstop2h 55measyJet
Mon 24/1115:30LTN - KEF
Nonstop3h 15measyJet
Deal found 10/9£54
Thu 20/1118:05KEF - LGW
Nonstop3h 10measyJet
Sun 23/1107:00LGW - KEF
Nonstop3h 30measyJet
Deal found 10/9£57
Fri 12/1219:40KEF - LTN
Nonstop3h 00measyJet
Tue 16/1207:00LTN - KEF
Nonstop3h 15measyJet
Deal found 11/9£58
Thu 5/218:05KEF - LGW
Nonstop3h 10measyJet
Wed 11/213:55LGW - KEF
Nonstop3h 20measyJet
Deal found 10/9£59
Thu 6/1117:55KEF - LTN
Nonstop2h 55measyJet
Mon 10/1108:00LTN - KEF
Nonstop3h 15measyJet
Deal found 10/9£60
Thu 27/1118:05KEF - LGW
Nonstop3h 10measyJet
Sun 30/1107:00LGW - KEF
Nonstop3h 30measyJet
Deal found 11/9£61
Thu 27/1117:55KEF - LTN
Nonstop2h 55measyJet
Sun 30/1106:00LTN - KEF
Nonstop3h 15measyJet
Deal found 11/9£61
Fri 23/119:40KEF - LTN
Nonstop3h 00measyJet
Sun 25/106:00LTN - KEF
Nonstop3h 15measyJet
Deal found 9/9£61
Thu 20/1117:55KEF - LTN
Nonstop2h 55measyJet
Sun 23/1106:00LTN - KEF
Nonstop3h 15measyJet
Deal found 10/9£62
Fri 21/1119:40KEF - LTN
Nonstop3h 00measyJet
Mon 24/1115:30LTN - KEF
Nonstop3h 15measyJet
Deal found 9/9£63
Last-minute flights from Keflavik Intl to London
Discover last-minute flight deals from Keflavik Intl to London. Data last updated 11 September 2025 and is based on user searches.
Sat 4/1006:40KEF - STN
Nonstop3h 00mPLAY
Wed 8/1011:40STN - KEF
Nonstop3h 05mPLAY
Deal found 10/9£117
Sun 26/1019:35KEF - LTN
1 stop12h 05mMultiple Airlines
Mon 3/1108:00LTN - KEF
Nonstop3h 15mMultiple Airlines
Deal found 11/9£113
Sun 26/1011:20KEF - LGW
Nonstop3h 10measyJet
Wed 5/1113:55LGW - KEF
Nonstop3h 20measyJet
Deal found 11/9£117
Sun 26/1019:35KEF - LTN
1 stop12h 05mMultiple Airlines
Wed 5/1108:00LTN - KEF
Nonstop3h 15mMultiple Airlines
Deal found 11/9£120
Sun 26/1019:35KEF - LTN
1 stop12h 05mMultiple Airlines
Sun 2/1105:00LTN - KEF
Nonstop3h 15mMultiple Airlines
Deal found 11/9£120
Mon 27/1019:35KEF - LTN
Nonstop2h 55measyJet
Thu 30/1014:00LTN - KEF
Nonstop3h 15measyJet
Deal found 9/9£78
Mon 27/1012:00KEF - LGW
Nonstop3h 10measyJet
Wed 5/1113:55LGW - KEF
Nonstop3h 20measyJet
Deal found 11/9£97
Mon 27/1019:35KEF - LTN
Nonstop2h 55mMultiple Airlines
Wed 5/1121:40LTN - KEF
1 stop21h 15mMultiple Airlines
Deal found 11/9£107
Mon 27/1019:35KEF - LTN
Nonstop2h 55mMultiple Airlines
Thu 30/1008:25LTN - KEF
1 stop10h 30mMultiple Airlines
Deal found 9/9£122
Tue 28/1017:05KEF - LTN
1 stop15h 10measyJet
Mon 3/1108:00LTN - KEF
Nonstop3h 15measyJet
Deal found 11/9£109
Wed 29/1011:55KEF - LTN
Nonstop2h 55measyJet
Mon 3/1108:00LTN - KEF
Nonstop3h 15measyJet
Deal found 10/9£117
Thu 30/1010:00KEF - LTN
Nonstop2h 55measyJet
Mon 3/1108:00LTN - KEF
Nonstop3h 15measyJet
Deal found 9/9£116
One-way flights from Keflavik Intl to London
Search for one-way flight options from Keflavik Intl to London. Find affordable one-way fares based on user searches. Data last updated 11 September 2025.
Sun 26/1019:35KEF - LTN
1 stop12h 05mWizz Air
Deal found 11/9£64
Sun 26/1006:50KEF - STN
Nonstop3h 05mPLAY
Deal found 11/9£69
Tue 18/1117:05KEF - STN
1 stop15h 15measyJet
Deal found 10/9£70
Mon 27/1013:00KEF - LHR
1 stop20h 35mScandinavian Airlines
Deal found 11/9£70
Sat 25/1006:40KEF - STN
Nonstop3h 00mPLAY
Deal found 9/9£71
Fri 28/1111:50KEF - LHR
Nonstop3h 10mBritish Airways
Deal found 11/9£71
Wed 22/1009:00KEF - LTN
Nonstop3h 00measyJet
Deal found 10/9£71
Tue 28/1010:20KEF - LTN
1 stop21h 20mWizz Air
Deal found 10/9£72
Thu 20/1112:05KEF - LGW
1 stop6h 30mMultiple Airlines
Deal found 10/9£72
Thu 20/1111:30KEF - LHR
1 stop7h 20mScandinavian Airlines
Deal found 10/9£72
Sun 26/1011:20KEF - LGW
Nonstop3h 10measyJet
Deal found 10/9£73
Mon 1/1213:00KEF - LHR
1 stop8h 35mScandinavian Airlines
Deal found 9/9£73
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 11 September 2025.
Use the filters below to find and compare flights from Reykjavik Keflavik Intl Airport to London that are best for you.
Fly from
Keflavik Intl
Fly to
London
Route
Depart
Return
Price
ReykjavikLondon
KEF - LTN
KEFLTN
Reykjavik Keflavik Intl
Wed 12/11
11:55-14:50
Nonstop2h 55m
London Luton
Thu 20/11
14:00-17:15
Nonstop3h 15m
£47
ReykjavikLondon
KEF - LTN
KEFLTN
Reykjavik Keflavik Intl
Thu 5/2
10:00-12:55
Nonstop2h 55m
London Luton
Wed 11/2
08:00-11:15
Nonstop3h 15m
£50
ReykjavikLondon
KEF - LTN
KEFLTN
Reykjavik Keflavik Intl
Thu 20/11
17:55-20:50
Nonstop2h 55m
London Luton
Mon 24/11
15:30-18:45
Nonstop3h 15m
£54
ReykjavikLondon
KEF - LGW
KEFLGW
Reykjavik Keflavik Intl
Thu 20/11
18:05-21:15
Nonstop3h 10m
London Gatwick
Sun 23/11
07:00-10:30
Nonstop3h 30m
£57
ReykjavikLondon
KEF - LGW
KEFLGW
Reykjavik Keflavik Intl
Thu 5/2
18:05-21:15
Nonstop3h 10m
London Gatwick
Wed 11/2
13:55-17:15
Nonstop3h 20m
£59
ReykjavikLondon
KEF - LTN
KEFLTN
Reykjavik Keflavik Intl
Fri 23/1
19:40-22:40
Nonstop3h 00m
London Luton
Sun 25/1
06:00-09:15
Nonstop3h 15m
£61
ReykjavikLondon
KEF - LTN
KEFLTN
Reykjavik Keflavik Intl
Thu 20/11
17:55-20:50
Nonstop2h 55m
London Luton
Sun 23/11
06:00-09:15
Nonstop3h 15m
£62
ReykjavikLondon
KEF - LTN
KEFLTN
Reykjavik Keflavik Intl
Fri 21/11
19:40-22:40
Nonstop3h 00m
London Luton
Mon 24/11
15:30-18:45
Nonstop3h 15m
£63
ReykjavikLondon
KEF - LGW
KEFLGW
Reykjavik Keflavik Intl
Fri 12/12
19:15-22:25
Nonstop3h 10m
London Gatwick
Tue 16/12
08:00-11:30
Nonstop3h 30m
£66
ReykjavikLondon
KEF - LGW
KEFLGW
Reykjavik Keflavik Intl
Fri 23/1
19:15-22:25
Nonstop3h 10m
London Gatwick
Sun 25/1
07:00-10:30
Nonstop3h 30m
£70
Flights are sorted by cheapest return flights first.
Deals found on 10/9
Showing 1-10 of 60 results
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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
How far ahead should I book a flight from Reykjavik Keflavik Intl Airport to London?
Use this chart to determine the optimal time to book a return flight from Keflavik Intl to London. Price data was last updated on 29 August 2025.
The price you pay for your flight from Reykjavik Keflavik Intl Airport to London may vary depending on when you book. For the best chance of a lower fare, look to book 60 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest month to book a flight from Reykjavik Keflavik Intl Airport to London?
Currently, January is the cheapest month in which you can book a flight from Reykjavik Keflavik Intl Airport to London (average of £112). Flying from Reykjavik Keflavik Intl Airport to London in August is currently the most expensive (average of £164). 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 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 11 September 2025.
It’s optimal to fly from Reykjavik Keflavik Intl Airport to London at midday. By choosing this option you can save up to 61% on the cost of your flight, compared to a flight in the afternoon.
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 11 September 2025.
The most flights from KEF to LON are scheduled on a Wednesday (18 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (9 on average).
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 11 September 2025.
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.
The airport in Reykjavik had too few seats at the departure gate. Otherwise the airport experience was fine. The flight was timely and smooth. The airplane was well maintained and staff pleasant and efficient
The airport in Reykjavik had too few seats at the departure gate. Otherwise the airport experience was fine. The flight was timely and smooth. The airplane was well maintained and staff pleasant and efficient
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. Generally, flights for this route are direct.
What are the cheapest airlines to fly from Reykjavik Keflavik Intl Airport to London one-way?
The cheapest airline one-way is easyJet, with whom users have recently found tickets for as low as £70. However, be on the lookout for offers from PLAY and Wizz Air, as they are both options that can get you from Reykjavik Keflavik Intl Airport to London for a low price.
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 Turkish Airlines (90%), Emirates (88%) and Icelandair (86%).
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 £440, our data indicates the cheapest price to be £72. The most popular route (Reykjavik Keflavik Intl - London Gatwick), is priced around £57.
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.
What is the cheapest month to book a flight from Reykjavik Keflavik Intl Airport to London?
Currently, January is the cheapest month in which you can book a flight from Reykjavik Keflavik Intl Airport to London (average of £112). Flying from Reykjavik Keflavik Intl Airport to London in August is currently the most expensive (average of £164). 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.
Explore flights to London departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 11 September 2025.
Browse through other flights departing from Keflavik Intl. Flights are based on user searches made on Cheapflights and were last updated on 11 September 2025.
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 London?
When you search for this flight from Keflavik Intl to London, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.
Why should you use Cheapflights to find cheap flight tickets from Keflavik Intl to London?
Cheapflights helps you find that perfect flight to London from Keflavik Intl by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!
Can Cheapflights find flights from Keflavik Intl to London with no change fees?
Yes! Cheapflights helps users easily find flights from Keflavik Intl to London with no change fees.
Can Cheapflights notify me if prices for flights from Keflavik Intl to London become cheaper?
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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