Cheap flights from London to Kos from £35

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London to Kos departing on 29/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Cheap return flights

easyJet Logo
18:00 - 23:50LGW-KGS
3h 50mdirect
easyJet Logo
00:45 - 02:55KGS-LGW
4h 10mdirect
£90easyJet
Find Deal
dom, 7 set - dom, 14 set
easyJet Logo
18:00 - 23:50LGW-KGS
3h 50mdirect
easyJet Logo
00:45 - 02:55KGS-LGW
4h 10mdirect
£95easyJet
Find Deal
dom, 7 set - dom, 14 set
easyJet Logo
18:00 - 23:50LGW-KGS
3h 50mdirect
easyJet Logo
00:45 - 02:55KGS-LGW
4h 10mdirect
£98easyJet
Find Deal
dom, 14 set - dom, 21 set
Ryanair Logo
08:45 - 14:35STN-KGS
3h 50mdirect
Ryanair Logo
12:15 - 17:30KGS-STN
7h 15m1 stop
£122Ryanair
Find Deal
gio, 2 ott - gio, 9 ott
Ryanair Logo
22:50 - 21:30STN-KGS
20h 40m1 stop
Ryanair Logo
15:05 - 17:15KGS-STN
4h 10mdirect
£130Ryanair
Find Deal
ven, 5 set - gio, 11 set
Aegean Airlines Logo
22:15 - 10:55LHR-KGS
10h 40m1 stop
Aegean Airlines Logo
18:10 - 11:15KGS-LHR
19h 05m1 stop
£176Aegean Airlines
Find Deal
dom, 12 ott - sab, 18 ott
SWISS Logo
20:05 - 15:10LHR-KGS
17h 05m1 stop
SWISS Logo
20:30 - 07:55KGS-LHR
13h 25m1 stop
£182SWISS
Find Deal
gio, 14 ago - mar, 19 ago
Aegean Airlines Logo
22:15 - 10:45LHR-KGS
10h 30m1 stop
Aegean Airlines Logo
11:25 - 17:55KGS-LHR
8h 30m1 stop
£191Aegean Airlines
Find Deal
mar, 23 set - ven, 26 set
SWISS Logo
17:10 - 10:10LHR-KGS
15h 00m1 stop
SWISS Logo
20:40 - 08:15KGS-LHR
37h 35m2 stops
£206SWISS
Find Deal
mer, 27 ago - mer, 3 set
TUI Airways Logo
07:30 - 13:15LTN-KGS
3h 45mdirect
TUI Airways Logo
14:15 - 16:25KGS-LTN
4h 10mdirect
£261TUI Airways
Find Deal
dom, 7 set - dom, 14 set

easyJet flights from London to Kos

Our best easyJet deals on London to Kos flight tickets
easyJet
7 Sept
LGW18:00London Gatwick
3h 50m
KGS23:50Kos
14 Sept
KGS00:45Kos
4h 10m
LGW02:55London Gatwick
easyJet
7 Sept
LGW18:00London Gatwick
3h 50m
KGS23:50Kos
14 Sept
KGS00:45Kos
4h 10m
LGW02:55London Gatwick
easyJet
14 Sept
LGW18:00London Gatwick
3h 50m
KGS23:50Kos
21 Sept
KGS00:45Kos
4h 10m
LGW02:55London Gatwick

Aegean Airlines flights from London to Kos

Our best Aegean Airlines deals on London to Kos flight tickets
Aegean Airlines
12 Oct
LHR22:15London Heathrow
10h 40m
1 stop
KGS10:55Kos
18 Oct
KGS18:10Kos
19h 05m
1 stop
LHR11:15London Heathrow
Aegean Airlines
23 Sept
LHR22:15London Heathrow
10h 30m
1 stop
KGS10:45Kos
26 Sept
KGS11:25Kos
8h 30m
1 stop
LHR17:55London Heathrow
Aegean Airlines
20 Sept
LHR22:15London Heathrow
10h 30m
1 stop
KGS10:45Kos
24 Sept
KGS11:25Kos
8h 30m
1 stop
LHR17:55London Heathrow

momondo 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, momondo users made 279,928 searches. Data last updated 31 luglio 2025.
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

LondonKos

LGW - KGS

LGWKGS

London Gatwick

dom 7/9

18:00-23:50

Nonstop3h 50m

Kos

dom 14/9

00:45-02:55

Nonstop4h 10m

£90

LondonKos

LGW - KGS

LGWKGS

London Gatwick

dom 7/9

18:00-23:50

Nonstop3h 50m

Kos

dom 14/9

00:45-02:55

Nonstop4h 10m

£95

LondonKos

LGW - KGS

LGWKGS

London Gatwick

dom 14/9

18:00-23:50

Nonstop3h 50m

Kos

dom 21/9

00:45-02:55

Nonstop4h 10m

£98

LondonKos

STN - KGS

STNKGS

London Stansted

gio 2/10

08:45-14:35

Nonstop3h 50m

Kos

gio 9/10

12:15-17:30

1 stop7h 15m

£122

LondonKos

STN - KGS

STNKGS

London Stansted

ven 5/9

22:50-21:30

1 stop20h 40m

Kos

gio 11/9

15:05-17:15

Nonstop4h 10m

£130

LondonKos

LHR - KGS

LHRKGS

London Heathrow

dom 12/10

22:15-10:55

1 stop10h 40m

Kos

sab 18/10

18:10-11:15

1 stop19h 05m

£176

LondonKos

LHR - KGS

LHRKGS

London Heathrow

gio 14/8

20:05-15:10

1 stop17h 05m

Kos

mar 19/8

20:30-07:55

1 stop13h 25m

£182

LondonKos

LHR - KGS

LHRKGS

London Heathrow

mar 23/9

22:15-10:45

1 stop10h 30m

Kos

ven 26/9

11:25-17:55

1 stop8h 30m

£191

LondonKos

LHR - KGS

LHRKGS

London Heathrow

mer 27/8

17:10-10:10

1 stop15h 00m

Kos

mer 3/9

20:40-08:15

2 stops37h 35m

£206

LondonKos

LTN - KGS

LTNKGS

London Luton

dom 7/9

07:30-13:15

Nonstop3h 45m

Kos

dom 14/9

14:15-16:25

Nonstop4h 10m

£261

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Kos from

How to get the cheapest flight ticket from London to Kos

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between London and Kos?

What is the cheapest month to fly to Kos?

The cheapest month to fly to Kos from London is in April. Flight prices, which tend to average around £156, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of April, then book flights to Kos from London during January instead. Flights to Kos in January, while not as cheap as those in April, still average around £164.

What is the cheapest day to depart on your flight to Kos?

According to our data, Thursday is the cheapest day to fly to Kos from London. The lowest ticket price found for a Thursday departure recently was £215. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. The most expensive day to fly to Kos is Saturday, with ticket prices averaging around £390.

What is the cheapest time of day to depart on your flight to Kos?

Our most recent data shows that the best time of day to fly to Kos is in the afternoon. Flights from London to Kos during this time can be as low as £200. In the morning is when there is more demand to fly to Kos, so prices are often more expensive at around £309 per ticket.

What is the cheapest London to Kos flight route?

Fly from London Gatwick to Kos for the best London - Kos flight prices

What cabin class options are available on London to Kos flights?

There are 2 cabin classes available to choose from on London to Kos flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on London to Kos flights?

No. A direct flight is the cheapest option for a flight between London to Kos.

When to book flights from London to Kos

Are you open to changing your travel dates? Check out the ideal times to fly from London to Kos according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap London to Kos (LON to KGS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London to Kos

Best price found

£35

Fastest flight time

3h 45m

Direct flights

Mon, Tue, Wed, Thu, Fri and Sun

Airports in Kos

1 airport
The best one-way flight to Kos from London in the past 72 hours is £35. The best return flight deal from London to Kos found on momondo in the last 72 hours is £90.
The fastest flight from London to Kos takes 3h 45m
Direct flights go from London to Kos on Monday, Tuesday, Wednesday, Thursday, Friday and Sunday. Airlines offering direct flights are: TUI Airways, Ryanair and Jet2.
There is 1 airport near Kos: Kos (KGS)

  • How far is London to Kos by plane?

    The straight-line distance from London to Kos is 1674.2 mi. In terms of flight time, this usually takes a little over 3h 45m.

  • When did momondo last update prices for flights from London to Kos Airport?

    Prices for flights from London to Kos Airport were last updated today.

  • How many operators does momondo search for flights from London to Kos Airport?

  • How old do you have to be to fly from London to Kos Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London to Kos Airport.

  • What documentation or ID do you need to fly to Kos Airport?

    The travel and health documents required for your trip to Kos Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Kos Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from London to Kos?

  • What is the most popular airline from London to Kos?


Best airlines flying from London to Kos

Compare and see reviews for airlines that fly from London to Kos with momondo
Airline
Rating
Free Cancellation
Price
RyanairPriceFrom £36Free CancellationRating
6.8
5,152 reviews
Search Ryanair flights
TUI AirwaysPriceFrom £98Free CancellationRating
6.2
16 reviews
Search TUI Airways flights
easyJetPriceFrom £103Free CancellationRating
6.9
1,822 reviews
Search easyJet flights
LufthansaPriceFrom £131Free CancellationRating
6.8
7,269 reviews
Search Lufthansa flights
British AirwaysPriceFrom £147Free CancellationRating
6.6
7,217 reviews
Search British Airways flights
Jet2PriceFrom £153Free CancellationRating
8.3
164 reviews
Search Jet2 flights
SWISSPriceFrom £161Free CancellationRating
7.5
1,686 reviews
Search SWISS flights
Aegean AirlinesPriceFrom £173Free CancellationRating
8.1
780 reviews
Search Aegean Airlines flights
  • Jet2 Flights From London to Kos

    Jet2 flight deals from London to Kos start from £204 round-trip. Over the 2 Jet2 flights for this route in a normal week, average airfare is usually £459 round-trip - but some users have found much cheaper deals with momondo.

  • easyJet Flights From London to Kos

    Another popular option for London to Kos flights is easyJet (6.9/10, 1,822 ratings). easyJet flies from London to Kos around 2 times per week, with deals starting from £137 round-trip and rising to an average price of around £307.


Travelling to a place near Kos?

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

Why use momondo?

Why should I use momondo to find a flight deal from London to Kos?

It is quick and easy to find London to Kos flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Kos that suits you.

Can I find flights from London to Kos with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Kos from London with this policy.

How can momondo help me find flights from London to Kos?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from London to Kos.

I’m not ready to book a flight from London to Kos right now. Can momondo alert me if prices change?

Yes. momondo can track prices for London to Kos flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.


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