Cheap flights from London to Reykjavik from $125

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London to Reykjavik departing on 6/22. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from London to Reykjavik

Cheap round-trip flights

Enter your travel dates to find the best prices.
easyJet Logo
2:25 pm - 5:45 pm
LGW
-
KEF
3h 20mnonstop
easyJet Logo
7:15 pm - 10:25 pm
KEF
-
LGW
3h 10mnonstop
$247easyJet
Sat, Dec 12 - Fri, Dec 18
easyJet Logo
6:25 am - 8:30 am
LTN
-
KEF
3h 05mnonstop
easyJet Logo
9:00 am - 12:55 pm
KEF
-
LTN
2h 55mnonstop
$249easyJet
Sun, Aug 30 - Wed, Sep 2
Scandinavian Airlines Logo
7:50 pm - 7:05 am
LHR
-
KEF
12h 15m
1 stop
Scandinavian Airlines Logo
6:35 pm - 9:35 am
KEF
-
LHR
14h 00m
1 stop
$249Scandinavian Airlines
Thu, Sep 10 - Sat, Sep 19
easyJet Logo
2:20 pm - 4:40 pm
LGW
-
KEF
3h 20mnonstop
easyJet Logo
6:40 pm - 10:55 pm
KEF
-
LGW
3h 15mnonstop
$249easyJet
Mon, Oct 12 - Mon, Oct 19
KLM Logo
6:30 am - 1:45 pm
LHR
-
KEF
7h 15m
1 stop
KLM Logo
2:45 pm - 10:45 am
KEF
-
LHR
20h 00m
1 stop
$250KLM
Thu, Nov 26 - Mon, Nov 30
KLM Logo
6:30 am - 1:45 pm
LHR
-
KEF
7h 15m
1 stop
KLM Logo
2:45 pm - 7:40 am
KEF
-
LHR
16h 55m
1 stop
$251KLM
Tue, Nov 17 - Sat, Nov 21
Multiple Airlines Logo
8:20 am - 3:50 pm
LTN
-
KEF
7h 30m
1 stop
Multiple Airlines Logo
5:50 pm - 7:45 am
KEF
-
LTN
13h 55m
1 stop
$253Multiple Airlines
Thu, Dec 3 - Sun, Dec 6
Multiple Airlines Logo
6:25 am - 8:30 am
LTN
-
KEF
3h 05mnonstop
Multiple Airlines Logo
7:55 pm - 7:35 am
KEF
-
LTN
10h 40m
1 stop
$257Multiple Airlines
Sun, Sep 20 - Tue, Sep 22
Icelandair Logo
8:35 pm - 11:55 pm
LHR
-
KEF
3h 20mnonstop
Icelandair Logo
4:20 pm - 7:30 pm
KEF
-
LHR
3h 10mnonstop
$260Icelandair
Mon, Nov 9 - Sun, Nov 15
Icelandair Logo
8:35 pm - 11:55 pm
LHR
-
KEF
3h 20mnonstop
Icelandair Logo
7:35 am - 10:50 am
KEF
-
LHR
3h 15mnonstop
$262Icelandair
Fri, Dec 11 - Mon, Dec 14

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.

KLM flights from London to Reykjavik Keflavik Intl Airport

Our best KLM deals on London to Reykjavik Keflavik Intl Airport flight tickets
KLM
Nov 26
LHR6:30 amLondon Heathrow
7h 15m
1 stop
KEF1:45 pmReykjavik Keflavik Intl
Nov 30
KEF2:45 pmReykjavik Keflavik Intl
20h 00m
1 stop
LHR10:45 amLondon Heathrow
$250
KLM
Nov 17
LHR6:30 amLondon Heathrow
7h 15m
1 stop
KEF1:45 pmReykjavik Keflavik Intl
Nov 21
KEF2:45 pmReykjavik Keflavik Intl
16h 55m
1 stop
LHR7:40 amLondon Heathrow
$251
KLM
Dec 9
LHR6:30 amLondon Heathrow
7h 15m
1 stop
KEF1:45 pmReykjavik Keflavik Intl
Dec 16
KEF2:45 pmReykjavik Keflavik Intl
6h 05m
1 stop
LHR8:50 pmLondon Heathrow
$252

easyJet flights from London to Reykjavik Keflavik Intl Airport

Our best easyJet deals on London to Reykjavik Keflavik Intl Airport flight tickets
easyJet
Dec 12
LGW2:25 pmLondon Gatwick
3h 20m
KEF5:45 pmReykjavik Keflavik Intl
Dec 18
KEF7:15 pmReykjavik Keflavik Intl
3h 10m
LGW10:25 pmLondon Gatwick
$247
easyJet
Aug 30
LTN6:25 amLondon Luton
3h 05m
KEF8:30 amReykjavik Keflavik Intl
Sep 2
KEF9:00 amReykjavik Keflavik Intl
2h 55m
LTN12:55 pmLondon Luton
$249
easyJet
Dec 12
LGW2:25 pmLondon Gatwick
3h 20m
KEF5:45 pmReykjavik Keflavik Intl
Dec 14
KEF12:00 pmReykjavik Keflavik Intl
3h 10m
LGW3:10 pmLondon Gatwick
$250

momondo Fare Finder

 
Customize your flight search to find flights from London to Reykjavik Keflavik Intl Airport 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, momondo users made 832,500 searches. Data last updated June 16, 2026.
Use the filters below to find and compare flights from London to Reykjavik Keflavik Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LondonReykjavik

LGW - KEF

LGWKEF

London Gatwick

Sat 12/12

2:25 pm-5:45 pm

Nonstop3h 20m

Reykjavik Keflavik Intl

Fri 12/18

7:15 pm-10:25 pm

Nonstop3h 10m

$247
Quickest round-trip

LondonReykjavik

LTN - KEF

LTNKEF

London Luton

Sun 8/30

6:25 am-8:30 am

Nonstop3h 05m

Reykjavik Keflavik Intl

Wed 9/2

9:00 am-12:55 pm

Nonstop2h 55m

$249

LondonReykjavik

LHR - KEF

LHRKEF

London Heathrow

Thu 9/10

7:50 pm-7:05 am

1 stop12h 15m

Reykjavik Keflavik Intl

Sat 9/19

6:35 pm-9:35 am

1 stop14h 00m

$249

LondonReykjavik

LGW - KEF

LGWKEF

London Gatwick

Mon 10/12

2:20 pm-4:40 pm

Nonstop3h 20m

Reykjavik Keflavik Intl

Mon 10/19

6:40 pm-10:55 pm

Nonstop3h 15m

$249

LondonReykjavik

LHR - KEF

LHRKEF

London Heathrow

Thu 11/26

6:30 am-1:45 pm

1 stop7h 15m

Reykjavik Keflavik Intl

Mon 11/30

2:45 pm-10:45 am

1 stop20h 00m

$250

LondonReykjavik

LHR - KEF

LHRKEF

London Heathrow

Tue 11/17

6:30 am-1:45 pm

1 stop7h 15m

Reykjavik Keflavik Intl

Sat 11/21

2:45 pm-7:40 am

1 stop16h 55m

$251

LondonReykjavik

LTN - KEF

LTNKEF

London Luton

Thu 12/3

8:20 am-3:50 pm

1 stop7h 30m

Reykjavik Keflavik Intl

Sun 12/6

5:50 pm-7:45 am

1 stop13h 55m

$253

LondonReykjavik

LTN - KEF

LTNKEF

London Luton

Sun 9/20

6:25 am-8:30 am

Nonstop3h 05m

Reykjavik Keflavik Intl

Tue 9/22

7:55 pm-7:35 am

1 stop10h 40m

$257

LondonReykjavik

LHR - KEF

LHRKEF

London Heathrow

Mon 11/9

8:35 pm-11:55 pm

Nonstop3h 20m

Reykjavik Keflavik Intl

Sun 11/15

4:20 pm-7:30 pm

Nonstop3h 10m

$260

LondonReykjavik

LHR - KEF

LHRKEF

London Heathrow

Fri 12/11

8:35 pm-11:55 pm

Nonstop3h 20m

Reykjavik Keflavik Intl

Mon 12/14

7:35 am-10:50 am

Nonstop3h 15m

$262

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Reykjavik from

How to get the cheapest flight ticket from London to Reykjavik Keflavik Intl Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between London and Reykjavik Keflavik Intl Airport?

What is the cheapest month to fly to Reykjavik Keflavik Intl Airport?

The month of January is, on average, the cheapest month to fly to Reykjavik Keflavik Intl Airport from London, with most prices found around $50. If you’re not able to fly to Reykjavik Keflavik Intl Airport in January, then October is your next best option. Flight prices from London to Reykjavik Keflavik Intl Airport during October average around $60.

What is the cheapest day to depart on your flight to Reykjavik Keflavik Intl Airport?

The cheapest day to depart from London to Reykjavik Keflavik Intl Airport is on a Sunday when prices can be found for as low as $450. The most expensive day to fly to Reykjavik Keflavik Intl Airport is Tuesday, with ticket prices averaging around $566.

What is the cheapest time of day to depart on your flight to Reykjavik Keflavik Intl Airport?

The cheapest time of day to fly to Reykjavik Keflavik Intl Airport is in the evening when flights can be purchased for as low as $466. Flights at noon are often more expensive with an average ticket price of $649.

What is the cheapest London to Reykjavik Keflavik Intl flight route?

Fly from London Luton to Reykjavik Keflavik Intl for the best London - Reykjavik Keflavik Intl flight prices

How far in advance should I book a flight from London to Reykjavik Keflavik Intl Airport?

You are more likely to see cheaper flights to Reykjavik Keflavik Intl Airport from London when booking weeks ahead of your departure date. In general, you can expect to find flights to Reykjavik Keflavik Intl Airport for around $331 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Reykjavik Keflavik Intl Airport from London for as low as $245 on momondo.

What cabin class options are available on London to Reykjavik Keflavik Intl Airport flights?

There are 3 cabin classes available to choose from on London to Reykjavik Keflavik Intl Airport flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on London to Reykjavik Keflavik Intl Airport flights?

No. A direct flight is the cheapest option for a flight between London to Reykjavik Keflavik Intl Airport.

How have London to Reykjavik Keflavik Intl Airport flight prices changed over time?

As of June 2026, prices for London to Reykjavik Keflavik Intl Airport flights are approximately 132% more expensive when compared to flights at the same time last year.

When to book flights from London to Reykjavik Keflavik Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from London to Reykjavik Keflavik Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap London to Reykjavik Keflavik Intl Airport (LON to KEF) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London to Reykjavik Keflavik Intl Airport

Best Price Found

$125

Fastest flight time

3h 00m

Direct flights

Every day
The best one-way flight to Reykjavik Keflavik Intl Airport from London in the past 72 hours is $125. The best round-trip flight deal from London to Reykjavik Keflavik Intl Airport found on momondo in the last 72 hours is $434.
The fastest flight from London to Reykjavik Keflavik Intl Airport takes 3h 00m
Direct flights go from London to Reykjavik Keflavik Intl Airport every day.

Frequently asked questions about flying from London to Reykjavik Keflavik Intl Airport

  • How far is London to Reykjavik Keflavik Intl by plane?

    The distance between London and Reykjavik Keflavik Intl is about 1183.3 mi. Flights usually cover this in 3h 00m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from London to Reykjavik Keflavik Intl Airport?

    Prices for flights from London to Reykjavik Keflavik Intl Airport refresh daily.

  • How many operators does momondo search for flights from London to Reykjavik Keflavik Intl Airport?

  • How old do you have to be to fly from London to Reykjavik Keflavik Intl Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London to Reykjavik Keflavik Intl Airport.

  • What documentation or ID do you need to fly to Reykjavik Keflavik Intl Airport?

    The necessary travel and health documents for your Reykjavik Keflavik Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from London to Reykjavik Keflavik Intl Airport?

  • What is the most popular airline from London to Reykjavik Keflavik Intl Airport?

Best airlines flying from London to Reykjavik Keflavik Intl Airport

Compare and see reviews for airlines that fly from London to Reykjavik Keflavik Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
IcelandairPriceFrom $202Free CancellationRating
7.0
677 reviews
Search Icelandair flights
British AirwaysPriceFrom $216Free CancellationRating
6.7
8,051 reviews
Search British Airways flights
  • Icelandair Flights From London to Reykjavik Keflavik Intl Airport

    Icelandair is one of the most popular airlines flying from London to Reykjavik Keflavik Intl Airport, operating 19 flights/week on average for this route. A good Icelandair flight deal for London to Reykjavik Keflavik Intl Airport starts from $202 round-trip, up to an average price of $380. Our users have rated Icelandair at 7.0/10.

  • British Airways Flights From London to Reykjavik Keflavik Intl Airport

    $216 is the best British Airways flight deal from London to Reykjavik Keflavik Intl Airport found on momondo over the last 72 hours. The average British Airways ticket price found was closer to $432, however, with flight time and availability significantly affecting the price. British Airways (6.7/10 from 8,051 user reviews) flies into Reykjavik Keflavik Intl Airport from London 2 times in an average week so prices can vary.

Traveling to a place near Reykjavik?

Book flights to Reykjavik if you plan to visit one of these locations
Keflavik
Selfoss
Hella
Hveragerdi
Borgarnes
Grindavik
Kopavogur

Why use momondo?

Why should I use momondo to find a flight deal from London to Reykjavik?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Reykjavik from London.

Can I find flights from London to Reykjavik with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for London to Reykjavik flights to just show those with flexible booking policies.

How can momondo help me find flights from London to Reykjavik?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from London to Reykjavik.

I’m not ready to book a flight from London to Reykjavik right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Reykjavik, momondo offers a useful price alert feature which will track prices for flights to Reykjavik from London and alert you when they change.

An easier way to manage your Reykjavik Keflavik Intl Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Thu 7/16
Thu 7/23

Find better results for your trip to Reykjavik