Cheap flights from London to Kos from £25

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 9/4. 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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Find the cheapest flights from London to Kos

Cheap return flights

Enter your travel dates to find the best prices.
Ryanair Logo
15:55 - 21:45
STN
-
KGS
3h 50mdirect
Ryanair Logo
14:55 - 17:05
KGS
-
STN
4h 10mdirect
£42Ryanair
Sun, 19 Apr - Wed, 29 Apr
Ryanair Logo
15:55 - 21:45
STN
-
KGS
3h 50mdirect
Ryanair Logo
22:10 - 00:20
KGS
-
STN
4h 10mdirect
£81Ryanair
Sun, 31 May - Sun, 7 Jun
Ryanair Logo
15:55 - 21:45
STN
-
KGS
3h 50mdirect
Ryanair Logo
14:55 - 17:05
KGS
-
STN
4h 10mdirect
£84Ryanair
Sun, 7 Jun - Wed, 10 Jun
easyJet Logo
08:05 - 14:05
LGW
-
KGS
4h 00mdirect
easyJet Logo
14:55 - 17:10
KGS
-
LGW
4h 15mdirect
£98easyJet
Wed, 22 Apr - Wed, 29 Apr
easyJet Logo
12:20 - 18:25
LGW
-
KGS
4h 05mdirect
easyJet Logo
14:55 - 17:10
KGS
-
LGW
4h 15mdirect
£100easyJet
Sun, 19 Apr - Wed, 29 Apr
Multiple Airlines Logo
15:55 - 21:45
STN
-
KGS
3h 50mdirect
Multiple Airlines Logo
21:35 - 06:50
KGS
-
STN
11h 15m
1 stop
£101Multiple Airlines
Sun, 7 Jun - Sat, 13 Jun
Multiple Airlines Logo
19:50 - 17:15
LTN
-
KGS
19h 25m
2 stops
Multiple Airlines Logo
14:50 - 04:55
KGS
-
LTN
16h 05m
2 stops
£123Multiple Airlines
Tue, 16 Jun - Tue, 23 Jun
SWISS Logo
20:05 - 19:55
LHR
-
KGS
21h 50m
1 stop
SWISS Logo
20:30 - 07:55
KGS
-
LHR
13h 25m
1 stop
£217SWISS
Tue, 2 Jun - Tue, 16 Jun
SWISS Logo
19:15 - 19:55
LCY
-
KGS
22h 40m
1 stop
SWISS Logo
20:30 - 08:40
KGS
-
LCY
14h 10m
1 stop
£237SWISS
Tue, 2 Jun - Tue, 16 Jun
Aegean Airlines Logo
19:00 - 07:35
LHR
-
KGS
10h 35m
1 stop
Aegean Airlines Logo
06:00 - 11:15
KGS
-
LHR
7h 15m
1 stop
£245Aegean Airlines
Wed, 23 Sep - Wed, 30 Sep

easyJet flights from London to Kos

Our best easyJet deals on London to Kos flight tickets
easyJet
8 Apr
LGW08:05London Gatwick
4h 00m
KGS14:05Kos
16 Apr
KGS22:05Kos
4h 15m
LGW00:20London Gatwick
£81
easyJet
22 Apr
LGW08:05London Gatwick
4h 00m
KGS14:05Kos
29 Apr
KGS14:55Kos
4h 15m
LGW17:10London Gatwick
£98
easyJet
19 Apr
LGW12:20London Gatwick
4h 05m
KGS18:25Kos
29 Apr
KGS14:55Kos
4h 15m
LGW17:10London Gatwick
£100

Ryanair flights from London to Kos

Our best Ryanair deals on London to Kos flight tickets
Ryanair
19 Apr
STN15:55London Stansted
3h 50m
KGS21:45Kos
29 Apr
KGS14:55Kos
4h 10m
STN17:05London Stansted
£42
Ryanair
8 Apr
STN08:35London Stansted
3h 50m
KGS14:25Kos
15 Apr
KGS14:55Kos
4h 10m
STN17:05London Stansted
£48
Ryanair
31 May
STN15:55London Stansted
3h 50m
KGS21:45Kos
7 Jun
KGS22:10Kos
4h 10m
STN00:20London Stansted
£81

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 1 April 2026.
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 - KGS

STNKGS

London Stansted

Sun 19/4

15:55-21:45

Nonstop3h 50m

Kos

Wed 29/4

14:55-17:05

Nonstop4h 10m

£42

LondonKos

STN - KGS

STNKGS

London Stansted

Sun 31/5

15:55-21:45

Nonstop3h 50m

Kos

Sun 7/6

22:10-00:20

Nonstop4h 10m

£81

LondonKos

STN - KGS

STNKGS

London Stansted

Sun 7/6

15:55-21:45

Nonstop3h 50m

Kos

Wed 10/6

14:55-17:05

Nonstop4h 10m

£84

LondonKos

LGW - KGS

LGWKGS

London Gatwick

Wed 22/4

08:05-14:05

Nonstop4h 00m

Kos

Wed 29/4

14:55-17:10

Nonstop4h 15m

£98

LondonKos

LGW - KGS

LGWKGS

London Gatwick

Sun 19/4

12:20-18:25

Nonstop4h 05m

Kos

Wed 29/4

14:55-17:10

Nonstop4h 15m

£100

LondonKos

STN - KGS

STNKGS

London Stansted

Sun 7/6

15:55-21:45

Nonstop3h 50m

Kos

Sat 13/6

21:35-06:50

1 stop11h 15m

£101

LondonKos

LTN - KGS

LTNKGS

London Luton

Tue 16/6

19:50-17:15

2 stops19h 25m

Kos

Tue 23/6

14:50-04:55

2 stops16h 05m

£123

LondonKos

LHR - KGS

LHRKGS

London Heathrow

Tue 2/6

20:05-19:55

1 stop21h 50m

Kos

Tue 16/6

20:30-07:55

1 stop13h 25m

£217

LondonKos

LCY - KGS

LCYKGS

London City

Tue 2/6

19:15-19:55

1 stop22h 40m

Kos

Tue 16/6

20:30-08:40

1 stop14h 10m

£237

LondonKos

LHR - KGS

LHRKGS

London Heathrow

Wed 23/9

19:00-07:35

1 stop10h 35m

Kos

Wed 30/9

06:00-11:15

1 stop7h 15m

£245

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 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 £227. 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 £394.

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 £216. In the morning is when there is more demand to fly to Kos, so prices are often more expensive at around £296 per ticket.

What is the cheapest London to Kos flight route?

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

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

There is only 1 cabin class 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

£114

Fastest flight time

3h 50m

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 £114. The best return flight deal from London to Kos found on momondo in the last 72 hours is £133.
The fastest flight from London to Kos takes 3h 50m
Direct flights go from London to Kos on Monday, Tuesday, Wednesday, Thursday, Friday and Sunday. Airline offering direct flights is easyJet..
There is 1 airport in Kos. From London there are direct flights to 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 50m.

  • 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
6.9
5,314 reviews
Search Ryanair flights
easyJetPriceFrom £57Free CancellationRating
6.9
1,889 reviews
Search easyJet flights
British AirwaysPriceFrom £104Free CancellationRating
6.7
7,841 reviews
Search British Airways flights
TUI AirwaysPriceFrom £117Free CancellationRating
0.0
0 reviews
Search TUI Airways flights
LufthansaPriceFrom £132Free CancellationRating
6.8
7,881 reviews
Search Lufthansa flights
Jet2PriceFrom £149Free CancellationRating
8.2
184 reviews
Search Jet2 flights
Aegean AirlinesPriceFrom £224Free CancellationRating
8.1
859 reviews
Search Aegean Airlines flights
  • Ryanair Flights From London to Kos

    Ryanair flight deals from London to Kos start from £36 round-trip. Over the 1 Ryanair flight for this route in a normal week, average airfare is usually £183 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, 1,889 ratings). easyJet flies from London to Kos around 1 time per week, with deals starting from £57 round-trip and rising to an average price of around £210.

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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1 adult
Fri 1/5
Fri 8/5

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