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Cheap flights from London to Reykjavik from $123

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 26/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap return flights

Enter your travel dates to find the best prices.
easyJet Logo
06:00 - 09:15LTN-KEF
3h 15mdirect
easyJet Logo
10:00 - 12:55KEF-LTN
2h 55mdirect
$172easyJet
Find Deal
Thu, 1 Jan - Thu, 8 Jan
easyJet Logo
15:50 - 19:05LTN-KEF
3h 15mdirect
easyJet Logo
19:40 - 22:40KEF-LTN
3h 00mdirect
$173easyJet
Find Deal
Sat, 21 Feb - Fri, 27 Feb
Icelandair Logo
12:15 - 15:30LHR-KEF
3h 15mdirect
Icelandair Logo
16:20 - 19:30KEF-LHR
3h 10mdirect
$245Icelandair
Find Deal
Tue, 20 Jan - Fri, 23 Jan
Icelandair Logo
12:15 - 15:30LHR-KEF
3h 15mdirect
Icelandair Logo
07:35 - 10:50KEF-LHR
3h 15mdirect
$247Icelandair
Find Deal
Sun, 8 Mar - Wed, 11 Mar
British Airways Logo
13:50 - 17:15LHR-KEF
3h 25mdirect
British Airways Logo
11:50 - 15:00KEF-LHR
3h 10mdirect
$259British Airways
Find Deal
Fri, 28 Nov - Wed, 3 Dec
British Airways Logo
13:50 - 17:15LHR-KEF
3h 25mdirect
British Airways Logo
11:50 - 15:00KEF-LHR
3h 10mdirect
$260British Airways
Find Deal
Fri, 28 Nov - Wed, 3 Dec
Multiple Airlines Logo
21:20 - 07:25STN-KEF
11h 05m1 stop
Multiple Airlines Logo
08:05 - 20:00KEF-STN
10h 55m1 stop
$309Multiple Airlines
Find Deal
Tue, 21 Apr - Wed, 29 Apr
Multiple Airlines Logo
21:20 - 07:25STN-KEF
11h 05m1 stop
Multiple Airlines Logo
08:05 - 07:55KEF-STN
22h 50m2 stops
$369Multiple Airlines
Find Deal
Tue, 21 Apr - Wed, 29 Apr
KLM Logo
09:20 - 19:05LCY-KEF
9h 45m1 stop
KLM Logo
11:25 - 17:20KEF-LCY
5h 55m1 stop
$412KLM
Find Deal
Mon, 2 Mar - Thu, 5 Mar
KLM Logo
08:40 - 19:05LCY-KEF
10h 25m1 stop
KLM Logo
11:25 - 17:20KEF-LCY
5h 55m1 stop
$414KLM
Find Deal
Mon, 2 Mar - Fri, 6 Mar

easyJet flights from London to Reykjavik Keflavik Intl Airport

Our best easyJet deals on London to Reykjavik Keflavik Intl Airport flight tickets
easyJet
1 Jan
LTN06:00London Luton
3h 15m
KEF09:15Reykjavik Keflavik Intl
8 Jan
KEF10:00Reykjavik Keflavik Intl
2h 55m
LTN12:55London Luton
$172
Find similar
easyJet
21 Feb
LTN15:50London Luton
3h 15m
KEF19:05Reykjavik Keflavik Intl
27 Feb
KEF19:40Reykjavik Keflavik Intl
3h 00m
LTN22:40London Luton
$173
Find similar
easyJet
16 Jan
LGW15:00London Gatwick
3h 20m
KEF18:20Reykjavik Keflavik Intl
19 Jan
KEF12:00Reykjavik Keflavik Intl
3h 10m
LGW15:10London Gatwick
$175
Find similar

Icelandair flights from London to Reykjavik Keflavik Intl Airport

Our best Icelandair deals on London to Reykjavik Keflavik Intl Airport flight tickets
Icelandair
20 Jan
LHR12:15London Heathrow
3h 15m
KEF15:30Reykjavik Keflavik Intl
23 Jan
KEF16:20Reykjavik Keflavik Intl
3h 10m
LHR19:30London Heathrow
$245
Find similar
Icelandair
8 Mar
LHR12:15London Heathrow
3h 15m
KEF15:30Reykjavik Keflavik Intl
12 Mar
KEF16:20Reykjavik Keflavik Intl
3h 10m
LHR19:30London Heathrow
$247
Find similar
Icelandair
7 Mar
LHR20:35London Heathrow
3h 20m
KEF23:55Reykjavik Keflavik Intl
10 Mar
KEF07:35Reykjavik Keflavik Intl
3h 15m
LHR10:50London Heathrow
$248
Find similar

momondo Fare Finder

 
Customise 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 78,305 searches. Data last updated 12 November 2025.
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

LondonReykjavik

LTN - KEF

LTNKEF

London Luton

Thu 1/1

06:00-09:15

Nonstop3h 15m

Reykjavik Keflavik Intl

Thu 8/1

10:00-12:55

Nonstop2h 55m

$172

LondonReykjavik

LTN - KEF

LTNKEF

London Luton

Sat 21/2

15:50-19:05

Nonstop3h 15m

Reykjavik Keflavik Intl

Fri 27/2

19:40-22:40

Nonstop3h 00m

$173

LondonReykjavik

LHR - KEF

LHRKEF

London Heathrow

Tue 20/1

12:15-15:30

Nonstop3h 15m

Reykjavik Keflavik Intl

Fri 23/1

16:20-19:30

Nonstop3h 10m

$245

LondonReykjavik

LHR - KEF

LHRKEF

London Heathrow

Sun 8/3

12:15-15:30

Nonstop3h 15m

Reykjavik Keflavik Intl

Wed 11/3

07:35-10:50

Nonstop3h 15m

$247

LondonReykjavik

LHR - KEF

LHRKEF

London Heathrow

Fri 28/11

13:50-17:15

Nonstop3h 25m

Reykjavik Keflavik Intl

Wed 3/12

11:50-15:00

Nonstop3h 10m

$259

LondonReykjavik

LHR - KEF

LHRKEF

London Heathrow

Fri 28/11

13:50-17:15

Nonstop3h 25m

Reykjavik Keflavik Intl

Wed 3/12

11:50-15:00

Nonstop3h 10m

$260

LondonReykjavik

STN - KEF

STNKEF

London Stansted

Tue 21/4

21:20-07:25

1 stop11h 05m

Reykjavik Keflavik Intl

Wed 29/4

08:05-20:00

1 stop10h 55m

$309

LondonReykjavik

STN - KEF

STNKEF

London Stansted

Tue 21/4

21:20-07:25

1 stop11h 05m

Reykjavik Keflavik Intl

Wed 29/4

08:05-07:55

2 stops22h 50m

$369

LondonReykjavik

LCY - KEF

LCYKEF

London City

Mon 2/3

09:20-19:05

1 stop9h 45m

Reykjavik Keflavik Intl

Thu 5/3

11:25-17:20

1 stop5h 55m

$412

LondonReykjavik

LCY - KEF

LCYKEF

London City

Mon 2/3

08:40-19:05

1 stop10h 25m

Reykjavik Keflavik Intl

Fri 6/3

11:25-17:20

1 stop5h 55m

$414

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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?

If you don’t want to visit Reykjavik Keflavik Intl Airport in November, then you should wait until January to fly from London, when ticket prices are also cheap, with an average price of $184.

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

Our data shows that Sunday is the least expensive day to fly to Reykjavik Keflavik Intl Airport. Tickets to fly out on this day can be as low as $266. If your travel schedule is flexible, try to avoid departing on a Tuesday because tickets tend to average around $463. These prices are subject to change though, so be sure to set up a Price Alert for flights to Reykjavik Keflavik Intl Airport.

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

According to our data, the cheapest time of day to fly to Reykjavik Keflavik Intl Airport is in the morning. momondo users have found flights departing from London to Reykjavik Keflavik Intl Airport in the morning for as low as $304. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In contrast, the most expensive time of day to depart to Reykjavik Keflavik Intl Airport is in the afternoon when prices are around $422.

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 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 $437 when searching weeks before you fly. 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 $395 on momondo.

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

There are 3 cabin classes available to choose from on London to Reykjavik Keflavik Intl 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 November 2025, prices for London to Reykjavik Keflavik Intl Airport flights are approximately 42% 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 return 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

$2,808

Fastest flight time

3h 05m

Direct flights

Every day
The best one-way flight to Reykjavik Keflavik Intl Airport from London in the past 72 hours is $2,808. The best return flight deal from London to Reykjavik Keflavik Intl Airport found on momondo in the last 72 hours is $398.
The fastest flight from London to Reykjavik Keflavik Intl Airport takes 3h 05m
Direct flights go from London to Reykjavik Keflavik Intl Airport every day.
Search flight deals

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

    A flight from London to Reykjavik Keflavik Intl will travel around 1904.3 km. 3h 05m is a normal flight duration for this route.

  • 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 are updated 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?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and stopovers are among the considerations that may influence age limits. We recommend that you double-check 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 travel and health documents required for your trip to Reykjavik Keflavik Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at Reykjavik Keflavik Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • 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 $293Free cancellationRating
7.1
578 reviews
Search Icelandair flights

  • Icelandair Flights From London to Reykjavik Keflavik Intl Airport

    Icelandair operates around 17 flights from London to Reykjavik Keflavik Intl Airport every week. The average price of these flights found in the last 72 hours has been $384, but momondo users have found Icelandair deals from London to Reykjavik Keflavik Intl Airport from as low as $293 round-trip. Icelandair has been scored 7.1/10 in 578 reviews.

Travelling to a place near Reykjavik?

Book flights to Reykjavik if you plan to visit one of these locations
Hveragerdi

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from London to Reykjavik . Millions of users trust and use momondo every year so you are in good hands.

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

All flight searches from London to Reykjavik on momondo can be filtered to show those which offer flexible booking policies.

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

momondo provides multiple filters to help you find the best flight to Reykjavik from London. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

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