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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 8/4. 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.
Multiple Airlines Logo
17:40 - 12:05
STN
-
KGS
16h 25m
2 stops
Multiple Airlines Logo
22:10 - 00:20
KGS
-
STN
4h 10mdirect
£118Multiple Airlines
Tue, 24 Mar - Sun, 29 Mar
Multiple Airlines Logo
17:40 - 11:30
STN
-
KGS
15h 50m
2 stops
Multiple Airlines Logo
22:10 - 00:20
KGS
-
STN
4h 10mdirect
£121Multiple Airlines
Tue, 24 Mar - Sun, 29 Mar
Multiple Airlines Logo
06:30 - 20:05
STN
-
KGS
11h 35m
1 stop
Multiple Airlines Logo
22:10 - 00:20
KGS
-
STN
4h 10mdirect
£122Multiple Airlines
Tue, 24 Mar - Sun, 29 Mar
easyJet Logo
12:20 - 18:25
LGW
-
KGS
4h 05mdirect
easyJet Logo
19:15 - 21:30
KGS
-
LGW
4h 15mdirect
£159easyJet
Sun, 26 Apr - Sun, 3 May
Aegean Airlines Logo
22:15 - 08:05
LHR
-
KGS
7h 50m
1 stop
Aegean Airlines Logo
16:40 - 21:15
KGS
-
LHR
6h 35m
1 stop
£181Aegean Airlines
Tue, 10 Mar - Sat, 14 Mar
Brussels Airlines Logo
06:50 - 10:25
LHR
-
KGS
25h 35m
1 stop
Brussels Airlines Logo
11:25 - 21:35
KGS
-
LHR
12h 10m
1 stop
£183Brussels Airlines
Sat, 13 Jun - Sun, 21 Jun
SWISS Logo
06:00 - 18:45
LHR
-
KGS
10h 45m
1 stop
SWISS Logo
11:10 - 17:50
KGS
-
LHR
8h 40m
1 stop
£191SWISS
Mon, 20 Apr - Thu, 23 Apr
SWISS Logo
20:05 - 19:40
LHR
-
KGS
21h 35m
1 stop
SWISS Logo
11:00 - 19:20
KGS
-
LHR
10h 20m
1 stop
£199SWISS
Mon, 1 Jun - Mon, 8 Jun
Aegean Airlines Logo
22:15 - 12:05
LHR
-
KGS
11h 50m
1 stop
Aegean Airlines Logo
08:35 - 17:55
KGS
-
LHR
11h 20m
1 stop
£205Aegean Airlines
Tue, 17 Mar - Tue, 24 Mar
Brussels Airlines Logo
11:05 - 10:25
LHR
-
KGS
21h 20m
1 stop
Brussels Airlines Logo
17:20 - 21:35
KGS
-
LHR
6h 15m
1 stop
£210Brussels Airlines
Sat, 27 Jun - Fri, 3 Jul

Aegean Airlines flights from London to Kos

Our best Aegean Airlines deals on London to Kos flight tickets
Aegean Airlines
10 Mar
LHR22:15London Heathrow
7h 50m
1 stop
KGS08:05Kos
14 Mar
KGS16:40Kos
6h 35m
1 stop
LHR21:15London Heathrow
£181
Aegean Airlines
17 Mar
LHR22:15London Heathrow
11h 50m
1 stop
KGS12:05Kos
24 Mar
KGS08:35Kos
11h 20m
1 stop
LHR17:55London Heathrow
£205
Aegean Airlines
23 Mar
LHR19:00London Heathrow
19h 10m
1 stop
KGS16:10Kos
30 Mar
KGS13:05Kos
6h 50m
1 stop
LHR17:55London Heathrow
£208

Ryanair flights from London to Kos

Our best Ryanair deals on London to Kos flight tickets
Ryanair
8 Jul
STN10:50London Stansted
10h 10m
1 stop
KGS23:00Kos
13 Jul
KGS23:00Kos
10h 50m
1 stop
STN07:50London Stansted
£151
Ryanair
17 May
STN15:55London Stansted
3h 50m
KGS21:45Kos
24 May
KGS22:10Kos
4h 10m
STN00:20London Stansted
£155
Ryanair
11 Jun
STN21:35London Stansted
9h 25m
1 stop
KGS09:00Kos
18 Jun
KGS12:05Kos
10h 10m
1 stop
STN20:15London Stansted
£158

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 10 February 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

LondonKos

STN - KGS

STNKGS

London Stansted

Tue 24/3

17:40-12:05

2 stops16h 25m

Kos

Sun 29/3

22:10-00:20

Nonstop4h 10m

£118

LondonKos

STN - KGS

STNKGS

London Stansted

Tue 24/3

17:40-11:30

2 stops15h 50m

Kos

Sun 29/3

22:10-00:20

Nonstop4h 10m

£121

LondonKos

STN - KGS

STNKGS

London Stansted

Tue 24/3

06:30-20:05

1 stop11h 35m

Kos

Sun 29/3

22:10-00:20

Nonstop4h 10m

£122

LondonKos

LGW - KGS

LGWKGS

London Gatwick

Sun 26/4

12:20-18:25

Nonstop4h 05m

Kos

Sun 3/5

19:15-21:30

Nonstop4h 15m

£159

LondonKos

LHR - KGS

LHRKGS

London Heathrow

Tue 10/3

22:15-08:05

1 stop7h 50m

Kos

Sat 14/3

16:40-21:15

1 stop6h 35m

£181

LondonKos

LHR - KGS

LHRKGS

London Heathrow

Sat 13/6

06:50-10:25

1 stop25h 35m

Kos

Sun 21/6

11:25-21:35

1 stop12h 10m

£183

LondonKos

LHR - KGS

LHRKGS

London Heathrow

Mon 20/4

06:00-18:45

1 stop10h 45m

Kos

Thu 23/4

11:10-17:50

1 stop8h 40m

£191

LondonKos

LHR - KGS

LHRKGS

London Heathrow

Mon 1/6

20:05-19:40

1 stop21h 35m

Kos

Mon 8/6

11:00-19:20

1 stop10h 20m

£199

LondonKos

LHR - KGS

LHRKGS

London Heathrow

Tue 17/3

22:15-12:05

1 stop11h 50m

Kos

Tue 24/3

08:35-17:55

1 stop11h 20m

£205

LondonKos

LHR - KGS

LHRKGS

London Heathrow

Sat 27/6

11:05-10:25

1 stop21h 20m

Kos

Fri 3/7

17:20-21:35

1 stop6h 15m

£210

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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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 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 £210. 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 £389.

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 £204. In the morning is when there is more demand to fly to Kos, so prices are often more expensive at around £287 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

£86

Fastest flight time

3h 50m

Direct flights

Every day

Airports in Kos

1 airport
The best one-way flight to Kos from London in the past 72 hours is £86. The best return flight deal from London to Kos found on momondo in the last 72 hours is £142.
The fastest flight from London to Kos takes 3h 50m
Direct flights go from London to Kos every day.
There is 1 airport in Kos. From London there are direct flights to Kos (KGS).
Search flight deals

  • 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 £34Free CancellationRating
6.9
5,266 reviews
Search Ryanair flights
easyJetPriceFrom £55Free CancellationRating
6.9
1,871 reviews
Search easyJet flights
British AirwaysPriceFrom £101Free CancellationRating
6.7
7,724 reviews
Search British Airways flights
TUI AirwaysPriceFrom £114Free CancellationRating
0.0
0 reviews
Search TUI Airways flights
LufthansaPriceFrom £128Free CancellationRating
6.8
7,777 reviews
Search Lufthansa flights
Jet2PriceFrom £144Free CancellationRating
8.2
181 reviews
Search Jet2 flights
Aegean AirlinesPriceFrom £212Free CancellationRating
8.1
850 reviews
Search Aegean Airlines flights

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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