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Cheap flights from London to Kos from £29

LON — KGS
24 Sep — 1 Oct1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from London to Kos are usually found in April or June, booked 9 days in advance, depart on a Tuesday or Wednesday and return on a Tuesday

Cheap flight deals from London to Kos

Enter your travel dates to find the best prices.

Cheapest flights from London to Kos

Wed 2/908:35 -
Nonstop3h 50m
Mon 28/923:55 -
2 stops12h 25m
Deal found 24/8£108
Thu 27/816:50 -
Nonstop4h 00m
Thu 3/923:45 -
Nonstop4h 00m
Deal found 22/8£108
Tue 1/922:00 -
2 stops17h 15m
Wed 30/923:25 -
2 stops12h 35m
Deal found 22/8£109
Wed 16/914:25 -
Nonstop3h 55m
Wed 23/921:35 -
Nonstop4h 05m
Deal found 24/8£109
Mon 5/1016:40 -
Nonstop4h 00m
Mon 12/1023:30 -
Nonstop4h 10m
Deal found 21/8£109
Thu 3/916:50 -
Nonstop4h 00m
Mon 28/922:50 -
Nonstop4h 05m
Deal found 24/8£109
Mon 14/906:20 -
1 stop8h 05m
Mon 21/923:00 -
1 stop10h 50m
Deal found 22/8£110
Tue 15/922:00 -
1 stop23h 00m
Tue 22/920:55 -
Nonstop4h 10m
Deal found 23/8£111
Thu 27/816:50 -
Nonstop4h 00m
Thu 3/923:50 -
2 stops19h 55m
Deal found 22/8£111
Sun 30/806:00 -
Nonstop3h 45m
Fri 4/922:25 -
1 stop21h 55m
Deal found 20/8£111
Mon 14/906:20 -
1 stop8h 05m
Thu 17/916:00 -
1 stop10h 10m
Deal found 22/8£112
Thu 24/916:50 -
Nonstop4h 00m
Thu 1/1021:55 -
2 stops17h 05m
Deal found 25/8£112

Find flight deals from London to Kos

Round-trip from

£108

One-way from

£29

Popular in

May

Cheapest in

April

Average price

£309

Good round-trip deal

£110 or less

Good one-way deal

£48 or less
Jet2
  • Jet2
  • 14/9-12/10
  • Nonstop
  • 8h 10m total
  • London to Kos
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Ryanair
  • Ryanair
  • 22/9
  • Nonstop
  • 3h 50m total
  • London to Kos
Search Deals
High demand for flights, 11% potential price rise
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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 August 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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Cheapflights Fare Finder

 
Use the filters below to find and compare flights from London to Kos that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

LondonKos

STN London Stansted - KGS Kos

STNKGS

London Stansted

Sun 4/10

15:55-21:45

Nonstop3h 50m

Kos

Sun 11/10

22:10-00:20

Nonstop4h 10m

£114

LondonKos

STN London Stansted - KGS Kos

STNKGS

London Stansted

Wed 23/9

20:40-11:40

1 stop13h 00m

Kos

Wed 30/9

23:25-10:00

2 stops12h 35m

£114

LondonKos

LTN London Luton - KGS Kos

LTNKGS

London Luton

Thu 24/9

16:50-22:50

Nonstop4h 00m

Kos

Thu 1/10

23:45-01:45

Nonstop4h 00m

£117

LondonKos

LTN London Luton - KGS Kos

LTNKGS

London Luton

Mon 14/9

05:40-22:35

2 stops14h 55m

Kos

Mon 12/10

22:50-00:55

Nonstop4h 05m

£118

LondonKos

LTN London Luton - KGS Kos

LTNKGS

London Luton

Mon 14/9

07:15-22:35

1 stop13h 20m

Kos

Thu 17/9

23:45-01:45

Nonstop4h 00m

£136

LondonKos

LGW London Gatwick - KGS Kos

LGWKGS

London Gatwick

Mon 5/10

07:30-13:30

Nonstop4h 00m

Kos

Mon 12/10

14:20-16:40

Nonstop4h 20m

£138

LondonKos

LGW London Gatwick - KGS Kos

LGWKGS

London Gatwick

Thu 15/10

15:10-21:15

Nonstop4h 05m

Kos

Thu 22/10

22:05-00:20

Nonstop4h 15m

£140

LondonKos

STN London Stansted - KGS Kos

STNKGS

London Stansted

Sun 6/9

15:55-21:45

Nonstop3h 50m

Kos

Mon 28/9

23:30-01:40

Nonstop4h 10m

£142

LondonKos

LTN London Luton - KGS Kos

LTNKGS

London Luton

Mon 5/10

06:20-20:00

1 stop11h 40m

Kos

Mon 12/10

22:50-00:55

Nonstop4h 05m

£142

LondonKos

STN London Stansted - KGS Kos

STNKGS

London Stansted

Mon 14/9

07:50-23:30

2 stops13h 40m

Kos

Mon 12/10

20:25-06:50

1 stop12h 25m

£153

Flights are sorted by cheapest return flights first.

Deals found on 24/8

Showing 1-10 of 60 resultsSorted by cheapest first
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6

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

Cheapflights Insights

Everything you need to know about your flight from London to Kos

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

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from London to Kos as you normally would.

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

Airfare is below average for this route at the moment.
London to Kos flights typically cost between £176 and £337 in September.
The cheapest return price found within the last 5 days was £108 on Jet2 (14 Sept–12 Oct).

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

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 7 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

Reviews of airlines servicing Kos

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
201 reviews
Check prices

Comfort

7.7

Overall

8.2

Food

7.2

Crew

8.7

Entertainment

6.1

Boarding

8.2

Reviews

1 / 19
4.0
Okay

Anonymous,Jul 2026

BRS - DLM

There was a very noisy group (at least 20 dotted about the plane) who constantly felt it was ok to shout across rows of seats to each other. A lot of people were sleeping and the crew didn’t ask that the shouting stopped or the kids runnng up down the aisle also stopped. It was frustrating and shouldn’t be left to passengers to ask fellow passengers to try to keep the noise down
Jet2
8.2
Very Good
201 reviews
Jet2
8.2
Very Good
201 reviews
Check prices

Comfort

7.7

Overall

8.2

Food

7.2

Crew

8.7

Entertainment

6.1

Boarding

8.2

Reviews

1 / 19
4.0
Okay

Anonymous,Jul 2026

BRS - DLM

There was a very noisy group (at least 20 dotted about the plane) who constantly felt it was ok to shout across rows of seats to each other. A lot of people were sleeping and the crew didn’t ask that the shouting stopped or the kids runnng up down the aisle also stopped. It was frustrating and shouldn’t be left to passengers to ask fellow passengers to try to keep the noise down
Ryanair
6.9
Okay
5,480 reviews
Jet2
8.2
Very Good
201 reviews
Check prices

Comfort

7.7

Overall

8.2

Food

7.2

Crew

8.7

Entertainment

6.1

Boarding

8.2

Reviews

1 / 19
4.0
Okay

Anonymous,Jul 2026

BRS - DLM

There was a very noisy group (at least 20 dotted about the plane) who constantly felt it was ok to shout across rows of seats to each other. A lot of people were sleeping and the crew didn’t ask that the shouting stopped or the kids runnng up down the aisle also stopped. It was frustrating and shouldn’t be left to passengers to ask fellow passengers to try to keep the noise down
easyJet
6.9
Okay
1,928 reviews
Jet2
8.2
Very Good
201 reviews
Check prices

Comfort

7.7

Overall

8.2

Food

7.2

Crew

8.7

Entertainment

6.1

Boarding

8.2

Reviews

1 / 19
4.0
Okay

Anonymous,Jul 2026

BRS - DLM

There was a very noisy group (at least 20 dotted about the plane) who constantly felt it was ok to shout across rows of seats to each other. A lot of people were sleeping and the crew didn’t ask that the shouting stopped or the kids runnng up down the aisle also stopped. It was frustrating and shouldn’t be left to passengers to ask fellow passengers to try to keep the noise down
British Airways
6.7
Okay
8,189 reviews
Jet2
8.2
Very Good
201 reviews
Check prices

Comfort

7.7

Overall

8.2

Food

7.2

Crew

8.7

Entertainment

6.1

Boarding

8.2

Reviews

1 / 19
4.0
Okay

Anonymous,Jul 2026

BRS - DLM

There was a very noisy group (at least 20 dotted about the plane) who constantly felt it was ok to shout across rows of seats to each other. A lot of people were sleeping and the crew didn’t ask that the shouting stopped or the kids runnng up down the aisle also stopped. It was frustrating and shouldn’t be left to passengers to ask fellow passengers to try to keep the noise down

Related info for your journey

  • 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. Ryanair provides one of the quickest options available for as low as £114. London and Kos are separated by a distance of 1670 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 £59. Other airlines that can offer you cheap pricing are Ryanair, from £60, and TUI Airways, from £101. easyJet is currently priced 75% 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 Stansted - 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
Kardamena

Browse thousands of different options on Cheapflights for your next trip

Fly from London to Kos on these airlines

British Airways flights from London to Kos
Ryanair flights from London to Kos
easyJet flights from London to Kos

Top 7 airlines flying from London to Kos

AirlineCheapestAverageFlexibilityOn-time
easyJetCheapest£59Average£212FlexibilityNo cancel feeOn-time86%
Search easyJet flights
RyanairCheapest£60Average£182FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
TUI AirwaysCheapest£101Average£237FlexibilityNo cancel feeOn-timeN/A
Search TUI Airways flights
British AirwaysCheapest£110Average£300FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Jet2Cheapest£164Average£339FlexibilityNo cancel feeOn-timeN/A
Search Jet2 flights
SWISSCheapest£201Average£251FlexibilityNo cancel feeOn-time79%
Search SWISS flights
Aegean AirlinesCheapest£217Average£250FlexibilityNo cancel feeOn-time87%
Search Aegean Airlines flights

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