How many flights depart from London to Kos on average per week?

The number of flights available between London and Kos is 4 per week as of May 2026. The most frequent departure day is Wed, with 75% of weekly flights leaving on this day.

What is the cheapest airline that flies from London to Kos?

Ryanair, Jet2, and easyJet are the most popular carriers operating from London to Kos

Which airlines fly to Kos?

British Airways, easyJet and Ryanair are the top three most popular airlines that fly to Kos from London according to our data. British Airways is the first choice among our users, with 39% of people opting to fly with this airline when travelling to Kos. Keep in mind that there are 7 different airlines that fly to Kos on a routine basis, so you have a few additional options to choose from.

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?

The number of operators available for flights from London to Kos Airport is 7 as of May 2026.

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.

£30 Cheap Flights from London to Kos in 2026

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

Prices are currently low for flights on this route. Typical prices usually range from £443 to £191. The lowest price recently found on this route was £102.

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Find the cheapest flights from London to Kos

Round-trip

One-way

Last minute

Direct

Cheap return flights

Enter your travel dates to find the best prices.

06:00 - 21:30

STN

KGS

13h 30m

1 stop

18:50 - 19:00

KGS

STN

26h 10m

2 stops

£102Ryanair

Sun, 5 Jul - Tue, 14 Jul

06:20 - 21:25

LTN

KGS

13h 05m

2 stops

18:50 - 23:55

KGS

LTN

7h 05m

1 stop

£102Ryanair

Thu, 18 Jun - Tue, 30 Jun

20:50 - 23:30

LTN

KGS

24h 40m

2 stops

18:50 - 23:55

KGS

LTN

7h 05m

1 stop

£103Multiple Airlines

Sun, 7 Jun - Tue, 23 Jun

18:05 - 16:25

STN

KGS

20h 20m

2 stops

14:50 - 07:35

KGS

STN

18h 45m

2 stops

£103Ryanair

Sun, 14 Jun - Tue, 23 Jun

21:50 - 18:25

LTN

KGS

18h 35m

2 stops

12:05 - 04:55

KGS

LTN

18h 50m

2 stops

£104Multiple Airlines

Mon, 15 Jun - Thu, 18 Jun

18:00 - 21:25

STN

KGS

25h 25m

2 stops

23:25 - 14:05

KGS

STN

16h 40m

2 stops

£104Ryanair

Wed, 10 Jun - Wed, 24 Jun

14:25 - 20:20

LGW

KGS

3h 55mdirect

21:35 - 23:40

KGS

LGW

4h 05mdirect

£128TUI Airways

Wed, 10 Jun - Wed, 24 Jun

06:50 - 16:25

LHR

KGS

7h 35m

1 stop

11:25 - 17:05

KGS

LHR

7h 40m

1 stop

£175Brussels Airlines

Fri, 12 Jun - Sun, 21 Jun

17:50 - 16:25

LHR

KGS

20h 35m

1 stop

11:25 - 21:35

KGS

LHR

12h 10m

1 stop

£186Brussels Airlines

Thu, 25 Jun - Mon, 29 Jun

06:00 - 20:50

LHR

KGS

12h 50m

1 stop

21:40 - 08:20

KGS

LHR

12h 40m

1 stop

£188Austrian Airlines

Wed, 10 Jun - Wed, 24 Jun

Ryanair flights from London to Kos

Our best Ryanair deals on London to Kos flight tickets

Ryanair

5 Jul

STN06:00London Stansted

13h 30m

1 stop

KGS21:30Kos

14 Jul

KGS18:50Kos

26h 10m

2 stops

STN19:00London Stansted

£102

Ryanair

14 Jun

STN18:05London Stansted

20h 20m

2 stops

KGS16:25Kos

23 Jun

KGS14:50Kos

18h 45m

2 stops

STN07:35London Stansted

£103

Ryanair

10 Jun

STN18:00London Stansted

25h 25m

2 stops

KGS21:25Kos

24 Jun

KGS23:25Kos

16h 40m

2 stops

STN14:05London Stansted

£104

SWISS flights from London to Kos

Our best SWISS deals on London to Kos flight tickets

SWISS

27 May

LCY09:15London City

8h 40m

1 stop

KGS19:55Kos

31 May

KGS17:50Kos

15h 35m

1 stop

LCY07:25London City

£222

SWISS

25 Jun

LCY19:15London City

17h 55m

1 stop

KGS15:10Kos

30 Jun

KGS20:30Kos

14h 10m

1 stop

LCY08:40London City

£223

SWISS

6 Jun

LHR07:00London Heathrow

11h 00m

2 stops

KGS20:00Kos

15 Jun

KGS11:00Kos

8h 50m

1 stop

LHR17:50London Heathrow

£225

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonKos

STN - KGS

STNKGS

London Stansted

Sun 5/7

06:00-21:30

1 stop13h 30m

Kos

Tue 14/7

18:50-19:00

2 stops26h 10m

£102

LondonKos

LTN - KGS

LTNKGS

London Luton

Thu 18/6

06:20-21:25

2 stops13h 05m

Kos

Tue 30/6

18:50-23:55

1 stop7h 05m

£102

LondonKos

LTN - KGS

LTNKGS

London Luton

Sun 7/6

20:50-23:30

2 stops24h 40m

Kos

Tue 23/6

18:50-23:55

1 stop7h 05m

£103

LondonKos

STN - KGS

STNKGS

London Stansted

Sun 14/6

18:05-16:25

2 stops20h 20m

Kos

Tue 23/6

14:50-07:35

2 stops18h 45m

£103

LondonKos

LTN - KGS

LTNKGS

London Luton

Mon 15/6

21:50-18:25

2 stops18h 35m

Kos

Thu 18/6

12:05-04:55

2 stops18h 50m

£104

LondonKos

STN - KGS

STNKGS

London Stansted

Wed 10/6

18:00-21:25

2 stops25h 25m

Kos

Wed 24/6

23:25-14:05

2 stops16h 40m

£104

Fastest return journey

LondonKos

LGW - KGS

LGWKGS

London Gatwick

Wed 10/6

14:25-20:20

Nonstop3h 55m

Kos

Wed 24/6

21:35-23:40

Nonstop4h 05m

£128

LondonKos

LHR - KGS

LHRKGS

London Heathrow

Fri 12/6

06:50-16:25

1 stop7h 35m

Kos

Sun 21/6

11:25-17:05

1 stop7h 40m

£175

LondonKos

LHR - KGS

LHRKGS

London Heathrow

Thu 25/6

17:50-16:25

1 stop20h 35m

Kos

Mon 29/6

11:25-21:35

1 stop12h 10m

£186

LondonKos

LHR - KGS

LHRKGS

London Heathrow

Wed 10/6

06:00-20:50

1 stop12h 50m

Kos

Wed 24/6

21:40-08:20

1 stop12h 40m

£188

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

Other information

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 £32, 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 August instead. Flights to Kos in August, while not as cheap as those in April, still average around £35.

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

According to our data, Wednesday is the cheapest day to fly to Kos from London. The lowest ticket price found for a Wednesday departure recently was £224. 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 £379.

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 £210. In the morning is when there is more demand to fly to Kos, so prices are often more expensive at around £293 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 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	£133
Fastest flight time	3h 45m
Direct flights	Mon, 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 £133. The best return flight deal from London to Kos found on momondo in the last 72 hours is £88.

The fastest flight from London to Kos takes 3h 45m

Direct flights go from London to Kos on Monday, Wednesday, Thursday, Friday and Sunday. There are no airlines offering direct flights..

There is 1 airport in Kos. From London there are direct flights to Kos (KGS).

Search flight deals

Frequently asked questions about flying from London to Kos

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?
The number of operators available for flights from London to Kos Airport is 7 as of May 2026.
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?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from London to Kos is Boeing 737-800 Passenger/BBJ2 (winglets) (28.36% of total bookings). The next most popular plane models are Airbus A320-100/200 (27.61%), Airbus A321-100/200 (27.51%), and Airbus A321neo (8.85%).
What is the most popular airline from London to Kos?
Based on momondo bookings for this flight route, the most popular airline on flight routes from London to Kos is British Airways (26% of total bookings). The next most popular airlines are easyJet (24%), Ryanair (20%), and Jet2 (18%).

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
Ryanair	PriceFrom £35	Free Cancellation	Rating 6.9 5,375 reviews	Search Ryanair flights
easyJet	PriceFrom £56	Free Cancellation	Rating 6.9 1,903 reviews	Search easyJet flights
British Airways	PriceFrom £113	Free Cancellation	Rating 6.7 7,988 reviews	Search British Airways flights
TUI Airways	PriceFrom £116	Free Cancellation	Rating 0.0 0 reviews	Search TUI Airways flights
Lufthansa	PriceFrom £130	Free Cancellation	Rating 6.8 8,014 reviews	Search Lufthansa flights
Jet2	PriceFrom £147	Free Cancellation	Rating 8.2 187 reviews	Search Jet2 flights
Aegean Airlines	PriceFrom £221	Free Cancellation	Rating 8.1 870 reviews	Search Aegean Airlines flights

Jet2 Flights From London to Kos
Jet2 flight deals from London to Kos start from £147 round-trip. Over the 2 Jet2 flights for this route in a normal week, average airfare is usually £345 round-trip - but some users have found much cheaper deals with momondo.
Ryanair Flights From London to Kos
Another popular option for London to Kos flights is Ryanair (6.9/10, 5,375 ratings). Ryanair flies from London to Kos around 1 time per week, with deals starting from £35 round-trip and rising to an average price of around £171.

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.

An easier way to manage your Kos trip

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Airports servicing South Aegean

Karpathos Airport

Kalymnos Island Airport

Mikonos Airport

Naxos Airport

Thera Santorini Airport

Astypalaia Airport

Parthéni Leros Airport

Paleochori Milos Airport

Parikia Paros Airport

Rhodes Diagoras Airport

Naxos Island Airport

Cheap flights from London to Kos from £30

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 5/7. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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How to get the cheapest flight ticket from London to Kos

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

What is the cheapest month to fly to Kos?

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

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

What is the cheapest London to Kos flight route?

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

Can stopping save me money on London to Kos flights?

What is the cheapest airline that flies from London to Kos?

Which airlines fly to Kos?

How many flights depart from London to Kos on average per week?

When to book flights from London to Kos

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

Fastest flight time

Direct flights

Airports in Kos

Frequently asked questions about flying 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

Jet2 Flights From London to Kos

Ryanair Flights From London to Kos

Travelling to a place near Kos?

Why use momondo?

An easier way to manage your Kos trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Greece

Airports servicing South Aegean

Fly your favourite airline to Kos

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Kos

List of cabin classes available on flights landing in Kos. Availability may vary depending on flight origin and airline.

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