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Cheap flights from London to Kos from £39

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 5/4. Fares are subject to change and may not be available on all flights or dates of travel.
LON — KGS
8 Feb — 15 Feb1
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

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 January 2026.

Round-trip from

£107

One-way from

£39

Popular in

August

Cheapest in

April

Average price

£156

Good round-trip deal

£235 or less

Good one-way deal

£93 or less
21/1-28/1
  • 21/1-28/1
  • 2 total stops
  • 32h 10m total
  • London to Kos
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Ryanair
  • Ryanair
  • 5/4
  • Nonstop
  • 3h 50m total
  • London to Kos
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Highest demand for flights based on searches. 14% potential increase in price (£29 potential increase over avg. return price).
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Cheapest flight prices on average. 4% potential price decrease (£8 potential savings vs. average return price).
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Average for round-trip flights in January 2026
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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

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 9 January 2026.

Sun 5/415:55STN - KGS
Nonstop3h 50mRyanair
Sun 12/422:10KGS - STN
Nonstop4h 10mRyanair
Deal found 6/1£99
Wed 21/114:30LTN - KGS
1 stop19h 00mMultiple Airlines
Wed 28/112:00KGS - LTN
1 stop13h 10mMultiple Airlines
Deal found 7/1£107
Mon 13/421:45LGW - KGS
1 stop22h 20measyJet
Thu 23/422:05KGS - LGW
Nonstop4h 15measyJet
Deal found 8/1£108
Sun 25/114:30LTN - KGS
1 stop19h 35mMultiple Airlines
Wed 28/112:00KGS - LTN
1 stop13h 10mMultiple Airlines
Deal found 7/1£115
Mon 19/114:30LTN - KGS
1 stop19h 00mMultiple Airlines
Mon 26/116:40KGS - LTN
1 stop8h 30mMultiple Airlines
Deal found 7/1£116
Wed 21/114:30LTN - KGS
1 stop15h 35mMultiple Airlines
Mon 26/116:40KGS - LTN
1 stop8h 30mMultiple Airlines
Deal found 7/1£120
Tue 20/106:30STN - KGS
1 stop12h 45mMultiple Airlines
Fri 23/117:35KGS - STN
1 stop8h 45mMultiple Airlines
Deal found 6/1£120
Mon 19/108:05STN - KGS
1 stop11h 10mMultiple Airlines
Mon 26/108:35KGS - STN
1 stop10h 15mMultiple Airlines
Deal found 8/1£130
Tue 20/110:55LTN - KGS
2 stops19h 00mMultiple Airlines
Fri 23/117:00KGS - LTN
1 stop10h 00mMultiple Airlines
Deal found 6/1£134
Thu 22/110:55LTN - KGS
2 stops27h 35mMultiple Airlines
Mon 26/116:35KGS - LTN
1 stop8h 35mMultiple Airlines
Deal found 7/1£136
Wed 21/114:30LTN - KGS
1 stop15h 35mMultiple Airlines
Sun 25/117:35KGS - LTN
1 stop7h 40mMultiple Airlines
Deal found 7/1£137
Fri 23/116:25LTN - KGS
1 stop17h 40mMultiple Airlines
Mon 26/116:40KGS - LTN
1 stop8h 30mMultiple Airlines
Deal found 7/1£141

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 January 2026.
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

Wed 21/1

14:30-11:30

1 stop19h 00m

Kos

Wed 28/1

12:00-23:10

1 stop13h 10m

£107

LondonKos

LGW - KGS

LGWKGS

London Gatwick

Mon 13/4

21:45-22:05

1 stop22h 20m

Kos

Thu 23/4

22:05-00:20

Nonstop4h 15m

£108

LondonKos

LTN - KGS

LTNKGS

London Luton

Mon 19/1

14:30-11:30

1 stop19h 00m

Kos

Mon 26/1

16:40-23:10

1 stop8h 30m

£116

LondonKos

LTN - KGS

LTNKGS

London Luton

Wed 21/1

14:30-08:05

1 stop15h 35m

Kos

Mon 26/1

16:40-23:10

1 stop8h 30m

£120

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

£130

LondonKos

LTN - KGS

LTNKGS

London Luton

Thu 22/1

10:55-16:30

2 stops27h 35m

Kos

Mon 26/1

16:35-23:10

1 stop8h 35m

£136

LondonKos

STN - KGS

STNKGS

London Stansted

Tue 20/1

06:30-21:15

1 stop12h 45m

Kos

Fri 23/1

12:35-21:20

2 stops10h 45m

£137

LondonKos

LTN - KGS

LTNKGS

London Luton

Wed 21/1

14:30-08:05

1 stop15h 35m

Kos

Sun 25/1

17:35-23:15

1 stop7h 40m

£137

LondonKos

STN - KGS

STNKGS

London Stansted

Thu 19/2

06:10-16:10

1 stop8h 00m

Kos

Sat 28/2

16:40-23:10

1 stop8h 30m

£140

LondonKos

LTN - KGS

LTNKGS

London Luton

Fri 23/1

16:00-12:05

2 stops18h 05m

Kos

Mon 26/1

16:40-23:10

1 stop8h 30m

£141

Flights are sorted by cheapest return flights first.

Deals found on 6/1

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 2 January 2026.

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.

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 January 2026.
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

Boarding

8.1

Entertainment

6.2

Food

7.3

Comfort

7.7

Crew

8.8

Overall

8.2

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

Boarding

8.1

Entertainment

6.2

Food

7.3

Comfort

7.7

Crew

8.8

Overall

8.2

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
5,245 reviews
Jet2
8.2
Very Good
179 reviews
Check prices

Boarding

8.1

Entertainment

6.2

Food

7.3

Comfort

7.7

Crew

8.8

Overall

8.2

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
1,859 reviews
Jet2
8.2
Very Good
179 reviews
Check prices

Boarding

8.1

Entertainment

6.2

Food

7.3

Comfort

7.7

Crew

8.8

Overall

8.2

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
7,659 reviews
Jet2
8.2
Very Good
179 reviews
Check prices

Boarding

8.1

Entertainment

6.2

Food

7.3

Comfort

7.7

Crew

8.8

Overall

8.2

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 7h 50m. easyJet provides one of the quickest options available for as low as £176. London and Kos are separated by a distance of 1683 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 £60, and British Airways, from £94. Ryanair is currently priced 84% 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 Gatwick - Kos, London Heathrow - 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 9 January 2026.
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 9 January 2026.
AirlineCheapestAverageFlexibilityOn-time
RyanairCheapest£35Average£190FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
easyJetCheapest£102Average£214FlexibilityNo cancel feeOn-time86%
Search easyJet flights
British AirwaysCheapest£111Average£322FlexibilityNo cancel feeOn-time70%
Search British Airways flights
TUI AirwaysCheapest£123Average£386FlexibilityNo cancel feeOn-timeN/A
Search TUI Airways flights
LufthansaCheapest£129Average£184FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Jet2Cheapest£181Average£358FlexibilityNo cancel feeOn-timeN/A
Search Jet2 flights
Aegean AirlinesCheapest£183Average£268FlexibilityNo 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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