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Cheap flights from London to Kos from £41

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 28/9. Fares are subject to change and may not be available on all flights or dates of travel.
LON — KGS
24 8月 — 31 8月1
1 adult

Cheapflights Tip: The best prices from London to Kos are usually found in April or January, booked 23 days in advance, depart on a Thursday or Monday and return on a Thursday

Cheap flight deals from London to Kos

Discover tips and strategies to find the most affordable flight options for your journey from London (LON) to Kos (KGS). 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 19 8月 2025.

Round-trip from

£120

One-way from

£41

Popular in

December

Cheapest in

April

Average price

£309

Good round-trip deal

£130 or less

Good one-way deal

£63 or less
21/9-26/9
  • 21/9-26/9
  • 1 total stop
  • 10h 55m total
  • London to Kos
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easyJet
  • easyJet
  • 28/9
  • Nonstop
  • 4h 00m total
  • London to Kos
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Highest demand for flights based on searches. 12% potential increase in price (£26 potential increase over avg. return price).
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Cheapest flight prices on average. 8% potential price decrease (£15 potential savings vs. average return price).
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Average for round-trip flights in August 2025
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Price to beat on a round-trip flight from London (LON) to Kos.
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Price to beat on a one-way flight from London (LON) to Kos.
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Find flight deals from London to Kos

Cheapest flights from London to Kos
Explore the most affordable flight options available from London to Kos. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 19 8月 2025.

週日 21/918:00LGW - KGS
Nonstop3h 50mMultiple Airlines
週五 26/918:00KGS - LGW
1 stop7h 05mMultiple Airlines
Deal found 18/8£120
週日 12/1007:30STN - KGS
1 stop11h 05mRyanair
週四 16/1010:20KGS - STN
1 stop14h 50mRyanair
Deal found 18/8£123
週日 21/907:30STN - KGS
1 stop11h 05mRyanair
週五 26/918:00KGS - STN
1 stop8h 45mRyanair
Deal found 17/8£126
週四 9/1008:45STN - KGS
Nonstop3h 50mRyanair
週四 16/1010:20KGS - STN
1 stop14h 50mRyanair
Deal found 17/8£128
週三 17/910:50LHR - KGS
1 stop6h 15mMultiple Airlines
週六 20/920:15KGS - LHR
1 stop14h 00mMultiple Airlines
Deal found 17/8£131
週二 26/815:00LGW - KGS
Nonstop4h 00measyJet
週三 24/911:40KGS - LGW
1 stop12h 40measyJet
Deal found 17/8£132
週一 1/921:50STN - KGS
2 stops13h 05mRyanair
週四 11/915:05KGS - STN
Nonstop4h 10mRyanair
Deal found 19/8£133
週六 4/1022:15STN - KGS
1 stop10h 50mRyanair
週四 9/1010:20KGS - STN
1 stop14h 50mRyanair
Deal found 17/8£134
週六 13/907:25LHR - KGS
1 stop10h 00mLufthansa
週六 20/920:15KGS - LHR
1 stop14h 00mLufthansa
Deal found 17/8£135
週二 26/808:00LGW - KGS
1 stop10h 35mMultiple Airlines
週三 24/918:20KGS - LGW
1 stop16h 30mMultiple Airlines
Deal found 17/8£136
週三 17/914:25LGW - KGS
Nonstop3h 55mMultiple Airlines
週三 24/911:40KGS - LGW
1 stop12h 40mMultiple Airlines
Deal found 19/8£137
週一 29/910:45STN - KGS
Nonstop3h 50mRyanair
週日 5/1021:25KGS - STN
1 stop28h 05mRyanair
Deal found 19/8£137

Cheapflights Fare Finder

 
Customise your flight search to find flights from London to Kos 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 19 8月 2025.
Use the filters below to find and compare flights from London to Kos that are best for you.

Fly from

London

Fly to

Kos

Route

Depart

Return

Price

LondonKos

LGW - KGS

LGWKGS

London Gatwick

週日 21/9

18:00-23:50

Nonstop3h 50m

Kos

週五 26/9

18:00-23:05

1 stop7h 05m

£120

LondonKos

STN - KGS

STNKGS

London Stansted

週日 12/10

07:30-20:35

1 stop11h 05m

Kos

週四 16/10

10:20-23:10

1 stop14h 50m

£123

LondonKos

STN - KGS

STNKGS

London Stansted

週日 21/9

07:30-20:35

1 stop11h 05m

Kos

週五 26/9

18:00-00:45

1 stop8h 45m

£126

LondonKos

STN - KGS

STNKGS

London Stansted

週四 9/10

08:45-14:35

Nonstop3h 50m

Kos

週四 16/10

10:20-23:10

1 stop14h 50m

£128

LondonKos

LHR - KGS

LHRKGS

London Heathrow

週三 17/9

10:50-19:05

1 stop6h 15m

Kos

週六 20/9

20:15-08:15

1 stop14h 00m

£131

LondonKos

LGW - KGS

LGWKGS

London Gatwick

週三 10/9

17:55-23:50

Nonstop3h 55m

Kos

週日 14/9

00:45-02:55

Nonstop4h 10m

£132

LondonKos

STN - KGS

STNKGS

London Stansted

週一 1/9

21:50-12:55

2 stops13h 05m

Kos

週四 11/9

15:05-17:15

Nonstop4h 10m

£133

LondonKos

STN - KGS

STNKGS

London Stansted

週六 4/10

22:15-11:05

1 stop10h 50m

Kos

週四 9/10

10:20-23:10

1 stop14h 50m

£134

LondonKos

LHR - KGS

LHRKGS

London Heathrow

週六 13/9

07:25-19:25

1 stop10h 00m

Kos

週六 20/9

20:15-08:15

1 stop14h 00m

£135

LondonKos

LGW - KGS

LGWKGS

London Gatwick

週三 17/9

14:25-20:20

Nonstop3h 55m

Kos

週三 24/9

11:40-22:20

1 stop12h 40m

£137

Flights are sorted by cheapest return flights first.

Deals found on 19/8

Showing 1-10 of 60 results
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Best time to book a flight from London to Kos

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

How far ahead should I book a flight from London to Kos?

Use this chart to determine the optimal time to book a return flight from London to Kos. Price data was last updated on 8 August 2025.

The price you pay for your flight from London to Kos may vary depending on when you book. For the best chance of a lower fare, look to book 23 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Find hourly flight availability from London to Kos. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 19 8月 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 35% on flights from London to Kos by exploring options for tickets in the afternoon.

What is the cheapest day to fly from London to Kos?

Use this chart to determine the cheapest time to fly return from London to Kos. Price data was last updated on 16 December 2024.

Travellers seeking maximum savings on their London to Kos flight should consider departing on Thursday evenings when fares are most often at their lowest. Saturday at midday flights should be avoided if possible as fares are typically the most expensive at this time.

How much does it cost for a return flight from London to Kos?

Reviews of airlines servicing Kos

Get insights into the airlines that provide service to Kos. 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 Kos. Reviews last updated 19 8月 2025.
Get a feel of what it's like to fly with Jet2, easyJet, andRyanair from London to Kos by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Jet2
8.3
Very Good
167 reviews
Check prices

Comfort

7.8

Food

7.3

Overall

8.3

Boarding

8.2

Entertainment

6.3

Crew

8.8

Reviews

1 / 16
8.0
Excellent

Anonymous,Mar 2025

GVA - LBA

Good other than the 15-20 min walk to boarding gate from terminal.
Jet2
8.3
Very Good
167 reviews
Jet2
8.3
Very Good
167 reviews
Check prices

Comfort

7.8

Food

7.3

Overall

8.3

Boarding

8.2

Entertainment

6.3

Crew

8.8

Reviews

1 / 16
8.0
Excellent

Anonymous,Mar 2025

GVA - LBA

Good other than the 15-20 min walk to boarding gate from terminal.
easyJet
6.9
Okay
1,820 reviews
Jet2
8.3
Very Good
167 reviews
Check prices

Comfort

7.8

Food

7.3

Overall

8.3

Boarding

8.2

Entertainment

6.3

Crew

8.8

Reviews

1 / 16
8.0
Excellent

Anonymous,Mar 2025

GVA - LBA

Good other than the 15-20 min walk to boarding gate from terminal.
Ryanair
6.9
Okay
5,153 reviews
Jet2
8.3
Very Good
167 reviews
Check prices

Comfort

7.8

Food

7.3

Overall

8.3

Boarding

8.2

Entertainment

6.3

Crew

8.8

Reviews

1 / 16
8.0
Excellent

Anonymous,Mar 2025

GVA - LBA

Good other than the 15-20 min walk to boarding gate from terminal.
British Airways
6.7
Okay
7,283 reviews
Jet2
8.3
Very Good
167 reviews
Check prices

Comfort

7.8

Food

7.3

Overall

8.3

Boarding

8.2

Entertainment

6.3

Crew

8.8

Reviews

1 / 16
8.0
Excellent

Anonymous,Mar 2025

GVA - LBA

Good other than the 15-20 min walk to boarding gate from terminal.

Related info for your journey

Find useful and relevant information for your journey from London to Kos. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Kos from London?

    Kos (KGS), located 12.8 mi from the city center, is the airport you fly into when you book flights from London to Kos. 7 airlines have flights to Kos from London on a regular basis. Booking flights from London to Kos should not be difficult; the airport handles an average of 1 inbound flight from London per day.

  • How long is the flight from London to Kos?

    A quick flight from London to Kos can take about 4h. Ryanair provides one of the quickest options available for as low as £139. London and Kos are separated by a distance of 1663 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What are the cheapest airlines flying from London to Kos round-trip?

    Cheapflights users have booked flights from London to Kos round-trip from £35. Other airlines that can offer you cheap pricing are easyJet, from £101, and TUI Airways, from £114. Ryanair is currently priced 86% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from London to Kos one-way?

    For one-way options, check prices for easyJet. According to our data, you can fly for as low as £41. Users have also found prices from £47 and £61 on Ryanair and TUI Airways, respectively.

  • What are the most popular routes from London to Kos?

    The most popular flight routes from London to Kos are London Stansted - Kos, London Gatwick - Kos and London Heathrow - Kos.

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

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

  • How can I find direct flights from London to Kos?

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

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

    Yes. Cheapflights offers flight deals from London to Kos 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

Travelling to a place near Kos?

Book flights to Kos if you plan to visit one of these locations
Marmari
Kardamena

Browse thousands of different options on Cheapflights for your next trip

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Fly from London to Kos on these airlines

Choose from the following airlines for your flight from London to Kos. Flights are based on user searches made on Cheapflights and were last updated on 19 8月 2025.
British Airways flights from London to Kos
easyJet flights from London to Kos
Ryanair flights from London to Kos

Top 7 airlines flying from London to Kos

Discover the top 7 airlines that operate flights from London to Kos. 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 19 8月 2025.
AirlineCheapestAverageFlexibilityOn-time
RyanairCheapest£35Average£187FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
easyJetCheapest£101Average£227FlexibilityNo cancel feeOn-time86%
Search easyJet flights
TUI AirwaysCheapest£114Average£422FlexibilityNo cancel feeOn-timeN/A
Search TUI Airways flights
British AirwaysCheapest£123Average£342FlexibilityNo cancel feeOn-time70%
Search British Airways flights
LufthansaCheapest£129Average£182FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Jet2Cheapest£164Average£348FlexibilityNo cancel feeOn-timeN/A
Search Jet2 flights
Aegean AirlinesCheapest£170Average£267FlexibilityNo cancel feeOn-time87%
Search Aegean Airlines flights

Fly with Cheapflights

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 London to Kos?

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 Kos from London today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from London to Kos?

Cheapflights helps you find that perfect flight to Kos from London 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 London to Kos with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from London to Kos flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from London to Kos become cheaper?

Of course! You can now track prices for flights from London to Kos 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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