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 41% 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.

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

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

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 November 2025.

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.

£67 Cheap Flights from London to Kos in 2025/26

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Find the cheapest flights from London to Kos

Round-trip

One-way

Last minute

Cheap return flights

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19:00 - 20:35LHR-KGS

23h 35m1 stop

08:35 - 21:15KGS-LHR

14h 40m1 stop

£146Aegean Airlines

Find Deal

Thu, 4 Dec - Thu, 11 Dec

08:05 - 20:05LGW-KGS

10h 00m1 stop

08:35 - 21:20KGS-LGW

14h 45m1 stop

£165Multiple Airlines

Find Deal

Thu, 4 Dec - Wed, 10 Dec

14:50 - 17:05LTN-KGS

24h 15m2 stops

16:40 - 23:10KGS-LTN

8h 30m1 stop

£167Multiple Airlines

Find Deal

Thu, 4 Dec - Wed, 10 Dec

19:00 - 20:35LHR-KGS

23h 35m1 stop

16:40 - 21:15KGS-LHR

6h 35m1 stop

£168Aegean Airlines

Find Deal

Thu, 4 Dec - Thu, 11 Dec

06:10 - 21:15STN-KGS

13h 05m1 stop

12:00 - 23:50KGS-STN

13h 50m1 stop

£170Multiple Airlines

Find Deal

Thu, 4 Dec - Wed, 10 Dec

08:00 - 21:15LTN-KGS

11h 15m1 stop

16:40 - 23:10KGS-LTN

8h 30m1 stop

£185Multiple Airlines

Find Deal

Thu, 4 Dec - Wed, 10 Dec

16:35 - 00:35LHR-KGS

6h 00m1 stop

13:05 - 17:55KGS-LHR

6h 50m1 stop

£226Aegean Airlines

Find Deal

Sat, 2 May - Thu, 7 May

13:35 - 21:55LGW-KGS

6h 20m1 stop

22:25 - 12:35KGS-LGW

16h 10m1 stop

£276Sky Express

Find Deal

Sat, 2 May - Thu, 7 May

13:35 - 21:55LGW-KGS

6h 20m1 stop

08:35 - 12:35KGS-LGW

6h 00m1 stop

£279Sky Express

Find Deal

Sat, 2 May - Thu, 7 May

13:35 - 21:55LGW-KGS

6h 20m1 stop

08:35 - 12:35KGS-LGW

6h 00m1 stop

£389Sky Express

Find Deal

Wed, 1 Apr - Sun, 5 Apr

Aegean Airlines flights from London to Kos

Our best Aegean Airlines deals on London to Kos flight tickets

Aegean Airlines

4 Dec

LHR19:00London Heathrow

23h 35m

1 stop

KGS20:35Kos

11 Dec

KGS08:35Kos

14h 40m

1 stop

LHR21:15London Heathrow

£146

Find similar

Aegean Airlines

4 Dec

LHR19:00London Heathrow

23h 35m

1 stop

KGS20:35Kos

11 Dec

KGS16:40Kos

6h 35m

1 stop

LHR21:15London Heathrow

£168

Find similar

Aegean Airlines

2 May

LHR16:35London Heathrow

6h 00m

1 stop

KGS00:35Kos

7 May

KGS13:05Kos

6h 50m

1 stop

LHR17:55London Heathrow

£226

Find similar

Sky Express flights from London to Kos

Our best Sky Express deals on London to Kos flight tickets

Sky Express

2 May

LGW13:35London Gatwick

6h 20m

1 stop

KGS21:55Kos

7 May

KGS22:25Kos

16h 10m

1 stop

LGW12:35London Gatwick

£276

Find similar

Sky Express

2 May

LGW13:35London Gatwick

6h 20m

1 stop

KGS21:55Kos

7 May

KGS08:35Kos

6h 00m

1 stop

LGW12:35London Gatwick

£279

Find similar

Sky Express

1 Apr

LGW13:35London Gatwick

6h 20m

1 stop

KGS21:55Kos

5 Apr

KGS08:35Kos

6h 00m

1 stop

LGW12:35London Gatwick

£389

Find similar

Fly from

Fly to

Route

Depart

Return

Price

LondonKos

LHR - KGS

LHRKGS

London Heathrow

Thu 4/12

19:00-20:35

1 stop23h 35m

Kos

Thu 11/12

08:35-21:15

1 stop14h 40m

£146

LondonKos

LGW - KGS

LGWKGS

London Gatwick

Thu 4/12

08:05-20:05

1 stop10h 00m

Kos

Wed 10/12

08:35-21:20

1 stop14h 45m

£165

LondonKos

LTN - KGS

LTNKGS

London Luton

Thu 4/12

14:50-17:05

2 stops24h 15m

Kos

Wed 10/12

16:40-23:10

1 stop8h 30m

£167

LondonKos

LHR - KGS

LHRKGS

London Heathrow

Thu 4/12

19:00-20:35

1 stop23h 35m

Kos

Thu 11/12

16:40-21:15

1 stop6h 35m

£168

LondonKos

STN - KGS

STNKGS

London Stansted

Thu 4/12

06:10-21:15

1 stop13h 05m

Kos

Wed 10/12

12:00-23:50

1 stop13h 50m

£170

LondonKos

LTN - KGS

LTNKGS

London Luton

Thu 4/12

08:00-21:15

1 stop11h 15m

Kos

Wed 10/12

16:40-23:10

1 stop8h 30m

£185

LondonKos

LHR - KGS

LHRKGS

London Heathrow

Sat 2/5

16:35-00:35

1 stop6h 00m

Kos

Thu 7/5

13:05-17:55

1 stop6h 50m

£226

LondonKos

LGW - KGS

LGWKGS

London Gatwick

Sat 2/5

13:35-21:55

1 stop6h 20m

Kos

Thu 7/5

22:25-12:35

1 stop16h 10m

£276

LondonKos

LGW - KGS

LGWKGS

London Gatwick

Sat 2/5

13:35-21:55

1 stop6h 20m

Kos

Thu 7/5

08:35-12:35

1 stop6h 00m

£279

LondonKos

LGW - KGS

LGWKGS

London Gatwick

Wed 1/4

13:35-21:55

1 stop6h 20m

Kos

Sun 5/4

08:35-12:35

1 stop6h 00m

£389

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 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 £150, 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 £167.

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 £403.

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 £302 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 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	£58
Fastest flight time	3h 50m
Direct flights	Mon, Tue, Thu, Sat and Sun
Airports in Kos	1 airport

The best one-way flight to Kos from London in the past 72 hours is £58. The best return flight deal from London to Kos found on momondo in the last 72 hours is £229.

The fastest flight from London to Kos takes 3h 50m

Direct flights go from London to Kos on Monday, Tuesday, Thursday, Saturday and Sunday. Airlines offering direct flights are: Jet2 and British Airways..

There is 1 airport near Kos: Kos (KGS)

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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 6h 00m.
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 November 2025.
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 Airbus A320-100/200 (39.75% of total bookings). The next most popular plane models are Boeing 737-800 Passenger/BBJ2 (winglets) (35.53%), Airbus A321-100/200 (17.52%), and Boeing 737 MAX 8 (2.86%).
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 (30% of total bookings). The next most popular airlines are easyJet (25%), Ryanair (15%), and TUI Airways (12%).

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 £36	Free Cancellation	Rating 6.8 5,188 reviews	Search Ryanair flights
easyJet	PriceFrom £105	Free Cancellation	Rating 6.9 1,841 reviews	Search easyJet flights
British Airways	PriceFrom £116	Free Cancellation	Rating 6.7 7,500 reviews	Search British Airways flights
TUI Airways	PriceFrom £126	Free Cancellation	Rating 0.0 0 reviews	Search TUI Airways flights
Lufthansa	PriceFrom £137	Free Cancellation	Rating 6.8 7,558 reviews	Search Lufthansa flights
Aegean Airlines	PriceFrom £176	Free Cancellation	Rating 8.1 816 reviews	Search Aegean Airlines flights
Jet2	PriceFrom £186	Free Cancellation	Rating 8.3 176 reviews	Search Jet2 flights

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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.