Cheap flights from London to Kos from £74

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 4/2. Fares are subject to change and may not be available on all flights or dates of travel.
LON — KGS
8 Jan — 15 Jan1
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.

Best flights from London to Kos
Discover carefully curated flight deals from London to Kos that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 9 December 2025.

Mon 19/114:30LTN - KGS
1 stop15h 35mMultiple Airlines
Mon 26/116:40KGS - LTN
1 stop8h 30mMultiple Airlines
Deal found 8/12£138
Mon 19/122:15LHR - KGS
1 stop11h 50mAegean Airlines
Mon 26/108:35KGS - LHR
1 stop11h 20mAegean Airlines
Deal found 8/12£167
Sat 25/413:35LGW - KGS
1 stop24h 10mSky Express
Tue 28/408:35KGS - LGW
1 stop6h 00mSky Express
Deal found 6/12£272
Mon 19/108:05STN - KGS
1 stop11h 10mMultiple Airlines
Mon 26/108:35KGS - STN
1 stop10h 15mMultiple Airlines
Deal found 8/12£170
Sun 11/119:00LHR - KGS
1 stop11h 05mAegean Airlines
Tue 13/108:35KGS - LHR
1 stop14h 40mAegean Airlines
Deal found 7/12£187
Sat 11/417:00LGW - KGS
1 stop13h 05mMultiple Airlines
Sat 25/408:35KGS - LGW
1 stop18h 35mMultiple Airlines
Deal found 8/12£187
Thu 22/119:00LHR - KGS
1 stop15h 05mAegean Airlines
Thu 29/120:35KGS - LHR
1 stop26h 40mAegean Airlines
Deal found 7/12£193
Thu 22/107:50STN - KGS
1 stop9h 40mMultiple Airlines
Thu 29/120:35KGS - STN
2 stops22h 00mMultiple Airlines
Deal found 7/12£200
Sat 11/412:15LCY - KGS
1 stop5h 40mSWISS
Sat 25/420:45KGS - LCY
1 stop22h 45mSWISS
Deal found 8/12£530
Mon 19/107:30LGW - KGS
1 stop6h 40mMultiple Airlines
Mon 26/108:35KGS - LGW
1 stop9h 35mMultiple Airlines
Deal found 8/12£203
Sun 11/118:15STN - KGS
1 stop11h 50mMultiple Airlines
Tue 13/108:35KGS - STN
1 stop8h 10mMultiple Airlines
Deal found 7/12£205
Mon 11/522:15LHR - KGS
1 stop8h 35mAegean Airlines
Sat 16/506:00KGS - LHR
1 stop11h 30mAegean Airlines
Deal found 8/12£269
Sun 11/119:30LTN - KGS
3 stops34h 35mMultiple Airlines
Tue 13/120:35KGS - LTN
2 stops27h 35mMultiple Airlines
Deal found 7/12£206
Thu 22/113:25LGW - KGS
1 stop20h 05mMultiple Airlines
Thu 29/112:35KGS - LGW
2 stops10h 35mMultiple Airlines
Deal found 7/12£206
Sat 2/516:35LHR - KGS
1 stop6h 00mAegean Airlines
Thu 7/506:00KGS - LHR
1 stop7h 15mAegean Airlines
Deal found 7/12£294
Thu 22/109:15LTN - KGS
3 stops33h 20mMultiple Airlines
Thu 29/120:35KGS - LTN
2 stops21h 25mMultiple Airlines
Deal found 7/12£215
Sat 11/407:10LTN - KGS
1 stop12h 45mMultiple Airlines
Sat 25/409:20KGS - LTN
2 stops16h 25mMultiple Airlines
Deal found 8/12£218
Mon 19/117:50LHR - KGS
2 stops36h 15mMultiple Airlines
Mon 26/120:35KGS - LHR
2 stops18h 15mMultiple Airlines
Deal found 8/12£227
Mon 5/108:05STN - KGS
1 stop25h 25mMultiple Airlines
Mon 12/121:45KGS - STN
1 stop19h 00mMultiple Airlines
Deal found 8/12£231
Thu 26/312:15LGW - KGS
1 stop7h 00mMultiple Airlines
Tue 31/308:35KGS - LGW
1 stop7h 40mMultiple Airlines
Deal found 8/12£231
Thu 22/107:05LHR - KGS
2 stops11h 00mMultiple Airlines
Mon 26/112:35KGS - LHR
1 stop7h 20mMultiple Airlines
Deal found 7/12£236
Mon 5/114:30LTN - KGS
1 stop15h 35mMultiple Airlines
Mon 12/116:35KGS - LTN
1 stop8h 35mMultiple Airlines
Deal found 8/12£242
Sun 11/107:30LGW - KGS
2 stops22h 35mMultiple Airlines
Tue 13/112:35KGS - LGW
2 stops10h 20mMultiple Airlines
Deal found 7/12£245
Fri 27/321:50LTN - KGS
2 stops11h 40mMultiple Airlines
Tue 31/308:35KGS - LTN
1 stop8h 00mMultiple Airlines
Deal found 8/12£261
Thu 22/117:50LHR - KGS
2 stops16h 15mMultiple Airlines
Thu 29/120:35KGS - LHR
2 stops24h 00mMultiple Airlines
Deal found 7/12£269
Fri 27/316:35LGW - KGS
2 stops17h 30mMultiple Airlines
Tue 31/308:35KGS - LGW
1 stop6h 00mMultiple Airlines
Deal found 8/12£272
Sat 11/419:55LHR - KGS
2 stops10h 10mMultiple Airlines
Sat 25/413:05KGS - LHR
1 stop10h 05mMultiple Airlines
Deal found 8/12£280
Thu 22/117:40LCY - KGS
2 stops36h 25mMultiple Airlines
Thu 29/112:35KGS - LCY
2 stops30h 30mMultiple Airlines
Deal found 7/12£341
Thu 26/309:15LCY - KGS
2 stops8h 50mMultiple Airlines
Tue 31/306:00KGS - LCY
2 stops14h 35mMultiple Airlines
Deal found 8/12£365
Fri 27/309:55LCY - KGS
2 stops8h 40mMultiple Airlines
Tue 31/309:20KGS - LCY
2 stops11h 15mMultiple Airlines
Deal found 8/12£509

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 9 December 2025.

Round-trip from

£138

One-way from

£74

Popular in

August

Cheapest in

April

Average price

£301

Good round-trip deal

£126 or less
19/1-26/1
  • 19/1-26/1
  • 2 total stops
  • 24h 05m total
  • London to Kos
4/2
  • 4/2
  • 1 total stop
  • 17h 55m total
  • London to Kos
Highest demand for flights based on searches. 13% potential increase in price (£26 potential increase over avg. return price).
Cheapest flight prices on average. 4% potential price decrease (£8 potential savings vs. average return price).
Average for round-trip flights in December 2025
Price to beat on a round-trip flight from London (LON) to Kos.

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 9 December 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

LTN - KGS

LTNKGS

London Luton

Mon 19/1

14:30-08:05

1 stop15h 35m

Kos

Mon 26/1

16:40-23:10

1 stop8h 30m

£138

LondonKos

LHR - KGS

LHRKGS

London Heathrow

Mon 19/1

22:15-12:05

1 stop11h 50m

Kos

Mon 26/1

08:35-17:55

1 stop11h 20m

£167

LondonKos

STN - KGS

STNKGS

London Stansted

Mon 19/1

08:05-21:15

1 stop11h 10m

Kos

Mon 26/1

08:35-16:50

1 stop10h 15m

£170

LondonKos

LHR - KGS

LHRKGS

London Heathrow

Sun 11/1

19:00-08:05

1 stop11h 05m

Kos

Tue 13/1

08:35-21:15

1 stop14h 40m

£187

LondonKos

LGW - KGS

LGWKGS

London Gatwick

Sat 11/4

17:00-08:05

1 stop13h 05m

Kos

Sat 25/4

08:35-01:10

1 stop18h 35m

£187

LondonKos

LHR - KGS

LHRKGS

London Heathrow

Thu 22/1

19:00-12:05

1 stop15h 05m

Kos

Thu 29/1

20:35-21:15

1 stop26h 40m

£193

LondonKos

STN - KGS

STNKGS

London Stansted

Thu 22/1

07:50-19:30

1 stop9h 40m

Kos

Thu 29/1

20:35-16:35

2 stops22h 00m

£200

LondonKos

LGW - KGS

LGWKGS

London Gatwick

Mon 19/1

07:30-16:10

1 stop6h 40m

Kos

Mon 26/1

08:35-16:10

1 stop9h 35m

£203

LondonKos

STN - KGS

STNKGS

London Stansted

Sun 11/1

18:15-08:05

1 stop11h 50m

Kos

Tue 13/1

08:35-14:45

1 stop8h 10m

£205

LondonKos

LTN - KGS

LTNKGS

London Luton

Sun 11/1

19:30-08:05

3 stops34h 35m

Kos

Tue 13/1

20:35-22:10

2 stops27h 35m

£206

Flights are sorted by cheapest return flights first.

Deals found on 7/12

Showing 1-10 of 39 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 5 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 9 December 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.

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 9 December 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.

Boarding

8.1

Entertainment

6.2

Comfort

7.7

Overall

8.3

Food

7.3

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.
8.3
Very Good

Boarding

8.1

Entertainment

6.2

Comfort

7.7

Overall

8.3

Food

7.3

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.

Boarding

8.1

Entertainment

6.2

Comfort

7.7

Overall

8.3

Food

7.3

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.

Boarding

8.1

Entertainment

6.2

Comfort

7.7

Overall

8.3

Food

7.3

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.

Boarding

8.1

Entertainment

6.2

Comfort

7.7

Overall

8.3

Food

7.3

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 11h 50m. Aegean Airlines provides one of the quickest options available for as low as £167. London and Kos are separated by a distance of 1683 mi.

  • 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 £61, and British Airways, from £95. 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?

  • 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 9 December 2025.

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 9 December 2025.
AirlineCheapestAverageFlexibilityOn-time
RyanairCheapest£36Average£193FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
easyJetCheapest£103Average£217FlexibilityNo cancel feeOn-time86%
Search easyJet flights
British AirwaysCheapest£114Average£315FlexibilityNo cancel feeOn-time70%
Search British Airways flights
TUI AirwaysCheapest£124Average£389FlexibilityNo cancel feeOn-timeN/A
Search TUI Airways flights
LufthansaCheapest£131Average£185FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Jet2Cheapest£183Average£360FlexibilityNo cancel feeOn-timeN/A
Search Jet2 flights
Aegean AirlinesCheapest£185Average£271FlexibilityNo 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?

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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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