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Cheap flights from London Gatwick Airport to Reykjavik Keflavik Intl Airport from £129

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 19/8. Fares are subject to change and may not be available on all flights or dates of travel.
LGW — KEF
17 Aug — 24 Aug1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from London Gatwick to Reykjavik Keflavik Intl are usually found in March or November, booked 14 days in advance, depart on a Monday or Friday and return on a Wednesday

Cheap flight deals from Gatwick to Keflavik Intl

Enter your travel dates to find the best prices.

Cheapest flights from Gatwick to Keflavik Intl
Explore the most affordable flight options available from Gatwick to Keflavik Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 July 2026.

Mon 26/1019:30
LGW
-
KEF
2 stops24h 35m
Multiple Airlines
Sun 1/1120:15
KEF
-
LGW
Nonstop3h 10m
Multiple Airlines
Deal found 12/7£207
Tue 22/919:15
LGW
-
KEF
1 stop13h 25m
Multiple Airlines
Sat 26/918:35
KEF
-
LGW
2 stops16h 05m
Multiple Airlines
Deal found 14/7£208
Thu 3/913:00
LGW
-
KEF
Nonstop3h 15m
Icelandair
Fri 18/910:30
KEF
-
LGW
Nonstop3h 10m
Icelandair
Deal found 13/7£210
Fri 11/915:40
LGW
-
KEF
Nonstop3h 15m
Icelandair
Sun 13/907:35
KEF
-
LGW
Nonstop3h 10m
Icelandair
Deal found 15/7£210
Mon 7/917:10
LGW
-
KEF
1 stop16h 35m
easyJet
Tue 15/909:25
KEF
-
LGW
1 stop11h 50m
easyJet
Deal found 15/7£211
Mon 5/1014:20
LGW
-
KEF
Nonstop3h 20m
easyJet
Sat 10/1008:30
KEF
-
LGW
1 stop7h 30m
easyJet
Deal found 13/7£212
Mon 7/917:10
LGW
-
KEF
1 stop16h 35m
Multiple Airlines
Sun 13/919:35
KEF
-
LGW
2 stops13h 45m
Multiple Airlines
Deal found 16/7£213
Wed 9/915:40
LGW
-
KEF
Nonstop3h 15m
Icelandair
Sun 13/907:35
KEF
-
LGW
Nonstop3h 10m
Icelandair
Deal found 14/7£214
Tue 1/908:20
LGW
-
KEF
2 stops26h 35m
Multiple Airlines
Tue 15/909:25
KEF
-
LGW
1 stop11h 50m
Multiple Airlines
Deal found 14/7£215
Tue 1/915:40
LGW
-
KEF
Nonstop3h 15m
Icelandair
Tue 8/907:35
KEF
-
LGW
Nonstop3h 10m
Icelandair
Deal found 13/7£216
Wed 23/909:05
LGW
-
KEF
2 stops24h 15m
Multiple Airlines
Sun 27/923:50
KEF
-
LGW
2 stops25h 10m
Multiple Airlines
Deal found 15/7£216

Find flight deals from Gatwick to Keflavik Intl

Discover tips and strategies to find the most affordable flight options for your journey from Gatwick (LGW) to Keflavik Intl (KEF). 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 18 July 2026.

Round-trip from

£207

One-way from

£129

Popular in

August

Cheapest in

March

Average price

£326

Good round-trip deal

£347 or less

Good one-way deal

£265 or less
easyJet
  • easyJet
  • 26/10-1/11
  • 2 total stops
  • 27h 45m total
  • London to Reykjavik
Search Deals
19/8
  • 19/8
  • 2 total stops
  • 17h 25m total
  • London to Reykjavik
Search Deals
Highest demand for flights based on searches. 34% potential increase in price (£82 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease (£9 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2026
Search Deals
Price to beat on a round-trip flight from London Gatwick to Reykjavik Keflavik Intl.
Search Deals
Price to beat on a one-way flight from London Gatwick to Reykjavik Keflavik Intl.
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Gatwick to Keflavik Intl 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 18 July 2026.
Use the filters below to find and compare flights from London Gatwick Airport to Reykjavik Keflavik Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonReykjavik

LGW - KEF

LGWKEF

London Gatwick

Thu 3/12

10:10-13:35

Nonstop3h 25m

Reykjavik Keflavik Intl

Sun 6/12

11:30-22:50

1 stop11h 20m

£214

LondonReykjavik

LGW - KEF

LGWKEF

London Gatwick

Tue 3/11

08:30-19:35

1 stop11h 05m

Reykjavik Keflavik Intl

Sat 7/11

18:15-08:50

1 stop14h 35m

£226

LondonReykjavik

LGW - KEF

LGWKEF

London Gatwick

Fri 20/11

18:45-09:45

1 stop15h 00m

Reykjavik Keflavik Intl

Sun 22/11

11:05-20:55

1 stop9h 50m

£236
Fastest return journey

LondonReykjavik

LGW - KEF

LGWKEF

London Gatwick

Mon 31/8

15:40-17:55

Nonstop3h 15m

Reykjavik Keflavik Intl

Tue 8/9

07:35-11:45

Nonstop3h 10m

£253

LondonReykjavik

LGW - KEF

LGWKEF

London Gatwick

Wed 2/9

21:15-09:25

1 stop13h 10m

Reykjavik Keflavik Intl

Sat 5/9

08:30-17:00

1 stop7h 30m

£259

LondonReykjavik

LGW - KEF

LGWKEF

London Gatwick

Thu 1/10

15:40-17:55

Nonstop3h 15m

Reykjavik Keflavik Intl

Sat 10/10

10:30-14:40

Nonstop3h 10m

£269

LondonReykjavik

LGW - KEF

LGWKEF

London Gatwick

Sun 22/11

07:00-15:25

1 stop8h 25m

Reykjavik Keflavik Intl

Sun 22/11

20:15-23:25

Nonstop3h 10m

£277

LondonReykjavik

LGW - KEF

LGWKEF

London Gatwick

Thu 27/8

22:00-09:55

1 stop12h 55m

Reykjavik Keflavik Intl

Mon 31/8

10:25-20:55

1 stop9h 30m

£291

LondonReykjavik

LGW - KEF

LGWKEF

London Gatwick

Sat 5/9

19:55-09:55

1 stop15h 00m

Reykjavik Keflavik Intl

Mon 7/9

18:40-08:30

1 stop12h 50m

£295

LondonReykjavik

LGW - KEF

LGWKEF

London Gatwick

Fri 28/8

15:40-17:55

Nonstop3h 15m

Reykjavik Keflavik Intl

Fri 4/9

10:30-14:40

Nonstop3h 10m

£305

Flights are sorted by cheapest return flights first.

Deals found on 12/7

Showing 1-10 of 22 resultsSorted by cheapest first
1
2
3

Best time to book a flight from Gatwick to Keflavik Intl

Have a flexible travel schedule? Discover the best time to fly to Keflavik Intl from Gatwick 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 London Gatwick Airport to Reykjavik Keflavik Intl Airport

How far ahead should I book a flight from London Gatwick Airport to Reykjavik Keflavik Intl Airport?

Booking 13 days in advance of your planned departure date is, on average, the best time to get cheap flights from London Gatwick Airport to Reykjavik Keflavik Intl Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from London Gatwick Airport to Reykjavik Keflavik Intl Airport?

Currently, March is the cheapest month in which you can book a flight from London Gatwick Airport to Reykjavik Keflavik Intl Airport (average of £115). Flying from London Gatwick Airport to Reykjavik Keflavik Intl Airport in July is currently the most expensive (average of £326). 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 LGW to KEF?

Find hourly flight availability from Gatwick to Keflavik Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 18 July 2026.

When flying from London Gatwick Airport to Reykjavik Keflavik Intl Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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

Reviews of airlines servicing Keflavik Intl

Get insights into the airlines that provide service to Keflavik Intl. 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 Keflavik Intl. Reviews last updated 18 July 2026.
Read through reviews of airlines operating flights from London Gatwick Airport to Reykjavik Keflavik Intl Airport, such as Icelandair and easyJet. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Icelandair
7.0
Good
709 reviews
Check prices

Overall

7.0

Comfort

6.9

Crew

8.0

Boarding

7.2

Entertainment

6.9

Food

6.2

Reviews

1 / 20
10.0
Excellent

Izabela,Jun 2026

GLA - KEF

It was all ok for the money. It was as good as this type of flight can be. The stuff was excellent and the planes were modern. I'd fly with them again no problem.
Icelandair
7.0
Good
709 reviews
Icelandair
7.0
Good
709 reviews
Check prices

Overall

7.0

Comfort

6.9

Crew

8.0

Boarding

7.2

Entertainment

6.9

Food

6.2

Reviews

1 / 20
10.0
Excellent

Izabela,Jun 2026

GLA - KEF

It was all ok for the money. It was as good as this type of flight can be. The stuff was excellent and the planes were modern. I'd fly with them again no problem.
easyJet
6.9
Okay
1,916 reviews
Icelandair
7.0
Good
709 reviews
Check prices

Overall

7.0

Comfort

6.9

Crew

8.0

Boarding

7.2

Entertainment

6.9

Food

6.2

Reviews

1 / 20
10.0
Excellent

Izabela,Jun 2026

GLA - KEF

It was all ok for the money. It was as good as this type of flight can be. The stuff was excellent and the planes were modern. I'd fly with them again no problem.

Related info for your journey

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

    There are many flights that can get you from London Gatwick Airport to Reykjavik Keflavik Intl Airport in 3h 15m. Fly via easyJet or Icelandair to get the fastest option. The distance from London Gatwick Airport to Reykjavik Keflavik Intl Airport is about 1202 mi. Generally, flights for this route are direct.

  • What are the cheapest airlines flying from London Gatwick Airport to Reykjavik Keflavik Intl Airport round-trip?

    Cheapflights users have booked flights from London Gatwick Airport to Reykjavik Keflavik Intl Airport round-trip from £54. Another airline that can offer you cheap pricing is Icelandair. These flights start at 74% lower than the current average price 3 months from now.

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

    Before booking your flight to Reykjavik Keflavik Intl Airport from London Gatwick Airport, check out the most reliable airlines to get you to your destination on time: Icelandair (81%), Emirates (81%), Turkish Airlines( 81%).

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

    While on average a flight from London Gatwick Airport to Reykjavik Keflavik Intl Airport is generally £801, our data shows the cheapest flight currently is £90. When looking at the most popular route, (London Gatwick - Reykjavik Keflavik Intl), you can expect to pay £80 for that flight.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Gatwick to Keflavik Intl 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 London Gatwick Airport to Reykjavik Keflavik Intl Airport?

    Currently, March is the cheapest month in which you can book a flight from London Gatwick Airport to Reykjavik Keflavik Intl Airport (average of £115). Flying from London Gatwick Airport to Reykjavik Keflavik Intl Airport in July is currently the most expensive (average of £326). 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

Travelling to a place near Reykjavik Keflavik Intl Airport?

Book flights to Reykjavik Keflavik Intl Airport if you plan to visit one of these locations
Hveragerdi
Kopavogur
Keflavik

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Gatwick to Keflavik Intl

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

Top 2 airlines flying from Gatwick to Keflavik Intl

Discover the top 2 airlines that operate flights from Gatwick to Keflavik Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 18 July 2026.
AirlineCheapestAverageFlexibilityOn-time
easyJetCheapest£54Average£115FlexibilityNo cancel feeOn-time86%
Search easyJet flights
IcelandairCheapest£141Average£270FlexibilityNo cancel feeOn-time76%
Search Icelandair flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Gatwick to Keflavik Intl?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Keflavik Intl from Gatwick today with Cheapflights!

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

Cheapflights simply makes it quick and affordable to book flights from Gatwick to Keflavik Intl by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

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

Certainly. Search results for flights to Keflavik Intl from Gatwick shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

Of course! You can now track prices for flights from Gatwick to Keflavik Intl and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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