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Cheap flights from London to Kos from £28

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 19/4. Fares are subject to change and may not be available on all flights or dates of travel.
LON — KGS
22 ינו' — 29 ינו'1
1 adult
1 adult, Economy, 0 bags

Cheapflights Tip: The best prices from London to Kos are usually found in April or January, booked 9 days in advance, depart on a Thursday or Monday and return on a Thursday

Cheap flight deals from London to Kos

Enter your travel dates to find the best prices.

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 23 דצמבר 2025.

ד' 24/1214:30LTN - KGS
1 stop19h 00mMultiple Airlines
ש' 27/1221:45KGS - LTN
1 stop27h 30mMultiple Airlines
Deal found 22/12£420
ד' 24/1219:00LHR - KGS
1 stop15h 05mAegean Airlines
ש' 27/1220:35KGS - LHR
1 stop26h 40mAegean Airlines
Deal found 22/12£447
ד' 24/1220:10LGW - KGS
2 stops13h 55mMultiple Airlines
ש' 27/1221:45KGS - LGW
2 stops20h 25mMultiple Airlines
Deal found 22/12£479
ד' 24/1219:00LHR - KGS
1 stop15h 05mMultiple Airlines
ש' 27/1221:45KGS - LHR
2 stops15h 00mMultiple Airlines
Deal found 22/12£483
ד' 24/1213:25LGW - KGS
1 stop20h 05mSky Express
ש' 27/1221:45KGS - LGW
1 stop16h 40mSky Express
Deal found 22/12£566
ד' 24/1217:25STN - KGS
2 stops16h 40mMultiple Airlines
ש' 27/1216:40KGS - STN
1 stop8h 30mMultiple Airlines
Deal found 22/12£672

Find 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 23 דצמבר 2025.

Round-trip from

£63

One-way from

£28

Popular in

August

Cheapest in

April

Average price

£307

Good round-trip deal

£125 or less

Good one-way deal

£93 or less
easyJet
  • easyJet
  • 9/4-23/4
  • Nonstop
  • 8h 20m total
  • London to Kos
Search Deals
easyJet
  • easyJet
  • 19/4
  • Nonstop
  • 4h 05m total
  • London to Kos
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (£26 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£8 potential savings vs. average return price).
Search Deals
Average for round-trip flights in December 2025
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Price to beat on a round-trip flight from London (LON) to Kos.
Search Deals
Price to beat on a one-way flight from London (LON) to Kos.
Search Deals

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 23 דצמבר 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

ה' 9/4

15:10-21:15

Nonstop4h 05m

Kos

ד' 22/4

14:55-17:10

Nonstop4h 15m

£63

LondonKos

LGW - KGS

LGWKGS

London Gatwick

ה' 9/4

15:10-21:15

Nonstop4h 05m

Kos

א' 26/4

19:15-21:30

Nonstop4h 15m

£63

LondonKos

LGW - KGS

LGWKGS

London Gatwick

א' 12/4

12:20-18:25

Nonstop4h 05m

Kos

ד' 22/4

14:55-17:10

Nonstop4h 15m

£63

LondonKos

LGW - KGS

LGWKGS

London Gatwick

ה' 9/4

15:10-21:15

Nonstop4h 05m

Kos

א' 19/4

19:15-21:30

Nonstop4h 15m

£63

LondonKos

LGW - KGS

LGWKGS

London Gatwick

ד' 8/4

08:05-14:05

Nonstop4h 00m

Kos

א' 26/4

19:15-21:30

Nonstop4h 15m

£68

LondonKos

LGW - KGS

LGWKGS

London Gatwick

ד' 8/4

08:05-14:05

Nonstop4h 00m

Kos

ה' 23/4

22:05-00:20

Nonstop4h 15m

£71

LondonKos

LGW - KGS

LGWKGS

London Gatwick

ד' 8/4

08:05-14:05

Nonstop4h 00m

Kos

ד' 22/4

14:55-17:10

Nonstop4h 15m

£71

LondonKos

LGW - KGS

LGWKGS

London Gatwick

ד' 22/4

08:05-14:05

Nonstop4h 00m

Kos

ה' 7/5

22:05-00:20

Nonstop4h 15m

£81

LondonKos

LGW - KGS

LGWKGS

London Gatwick

א' 5/4

12:20-18:25

Nonstop4h 05m

Kos

ה' 23/4

22:05-00:20

Nonstop4h 15m

£83

LondonKos

LGW - KGS

LGWKGS

London Gatwick

א' 5/4

12:20-18:25

Nonstop4h 05m

Kos

ד' 22/4

14:55-17:10

Nonstop4h 15m

£83

Flights are sorted by cheapest return flights first.

Deals found on 21/12

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 19 December 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 9 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 23 דצמבר 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 26% on flights from London to Kos by exploring options for tickets in the evening.

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 Saturday evenings when fares are most often at their lowest. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

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 23 דצמבר 2025.
Get a feel of what it's like to fly with Jet2, Ryanair, andeasyJet 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
8.2
Very Good
179 reviews
Check prices

Entertainment

6.2

Food

7.3

Boarding

8.1

Overall

8.2

Comfort

7.7

Crew

8.8

Reviews

1 / 17
8.0
Excellent

Gary,Nov 2025

EMA - AYT

Quick on time boarding and flight left the runway bang on 8am, excellent.
Jet2
8.2
Very Good
179 reviews
Jet2
8.2
Very Good
179 reviews
Check prices

Entertainment

6.2

Food

7.3

Boarding

8.1

Overall

8.2

Comfort

7.7

Crew

8.8

Reviews

1 / 17
8.0
Excellent

Gary,Nov 2025

EMA - AYT

Quick on time boarding and flight left the runway bang on 8am, excellent.
Ryanair
6.9
Okay
5,222 reviews
Jet2
8.2
Very Good
179 reviews
Check prices

Entertainment

6.2

Food

7.3

Boarding

8.1

Overall

8.2

Comfort

7.7

Crew

8.8

Reviews

1 / 17
8.0
Excellent

Gary,Nov 2025

EMA - AYT

Quick on time boarding and flight left the runway bang on 8am, excellent.
easyJet
6.9
Okay
1,853 reviews
Jet2
8.2
Very Good
179 reviews
Check prices

Entertainment

6.2

Food

7.3

Boarding

8.1

Overall

8.2

Comfort

7.7

Crew

8.8

Reviews

1 / 17
8.0
Excellent

Gary,Nov 2025

EMA - AYT

Quick on time boarding and flight left the runway bang on 8am, excellent.
British Airways
6.7
Okay
7,607 reviews
Jet2
8.2
Very Good
179 reviews
Check prices

Entertainment

6.2

Food

7.3

Boarding

8.1

Overall

8.2

Comfort

7.7

Crew

8.8

Reviews

1 / 17
8.0
Excellent

Gary,Nov 2025

EMA - AYT

Quick on time boarding and flight left the runway bang on 8am, excellent.

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 0 inbound flights from London per day.

  • How long is the flight from London to Kos?

    A quick flight from London to Kos can take about 3h 50m. easyJet provides one of the quickest options available for as low as £101. London and Kos are separated by a distance of 1670 mi. Most flights are nonstop.

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

    Cheapflights users have booked flights from London to Kos round-trip from £34. Other airlines that can offer you cheap pricing are easyJet, from £60, and British Airways, from £94. Ryanair is currently priced 85% below the average price you’ll pay for this route.

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

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

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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 23 דצמבר 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 23 דצמבר 2025.
AirlineCheapestAverageFlexibilityOn-time
RyanairCheapest£35Average£191FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
easyJetCheapest£102Average£215FlexibilityNo cancel feeOn-time86%
Search easyJet flights
British AirwaysCheapest£112Average£309FlexibilityNo cancel feeOn-time70%
Search British Airways flights
TUI AirwaysCheapest£123Average£386FlexibilityNo cancel feeOn-timeN/A
Search TUI Airways flights
LufthansaCheapest£130Average£184FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Jet2Cheapest£181Average£359FlexibilityNo cancel feeOn-timeN/A
Search Jet2 flights
Aegean AirlinesCheapest£184Average£269FlexibilityNo 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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