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

Ryanair, Aegean Airlines, and Sky Express 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 40% 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 December 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.

£41 Cheap Flights from London to Kos in 2025/26

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 £154 to £181. The lowest price recently found on this route was £50.

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Find the cheapest flights from London to Kos

Round-trip

One-way

Direct

Cheap return flights

Enter your travel dates to find the best prices.

12:20 - 18:25

LGW

KGS

4h 05mdirect

19:15 - 21:30

KGS

LGW

4h 15mdirect

£50easyJet

Sun, 12 Apr - Sun, 19 Apr

12:20 - 18:25

LGW

KGS

4h 05mdirect

19:15 - 21:30

KGS

LGW

4h 15mdirect

£103easyJet

Sun, 29 Mar - Sun, 5 Apr

15:55 - 21:45

STN

KGS

3h 50mdirect

22:10 - 00:20

KGS

STN

4h 10mdirect

£110Ryanair

Sun, 12 Apr - Sun, 19 Apr

15:10 - 21:15

LGW

KGS

4h 05mdirect

22:05 - 00:20

KGS

LGW

4h 15mdirect

£112easyJet

Thu, 18 Jun - Thu, 25 Jun

08:05 - 14:05

LGW

KGS

4h 00mdirect

14:55 - 17:10

KGS

LGW

4h 15mdirect

£125easyJet

Wed, 17 Jun - Wed, 24 Jun

22:15 - 12:05

LHR

KGS

11h 50m1 stop

12:35 - 21:15

KGS

LHR

10h 40m1 stop

£159Aegean Airlines

Wed, 4 Feb - Sat, 7 Feb

19:00 - 12:05

LHR

KGS

15h 05m1 stop

08:35 - 21:15

KGS

LHR

14h 40m1 stop

£168Aegean Airlines

Tue, 20 Jan - Tue, 3 Feb

16:50 - 22:50

LTN

KGS

4h 00mdirect

23:45 - 01:50

KGS

LTN

4h 05mdirect

£182Jet2

Thu, 18 Jun - Thu, 25 Jun

19:15 - 10:10

LCY

KGS

12h 55m1 stop

17:50 - 07:25

KGS

LCY

15h 35m1 stop

£285SWISS

Sun, 7 Jun - Sun, 14 Jun

19:15 - 10:10

LCY

KGS

12h 55m1 stop

17:50 - 07:25

KGS

LCY

15h 35m1 stop

£287SWISS

Sun, 7 Jun - Sun, 21 Jun

Aegean Airlines flights from London to Kos

Our best Aegean Airlines deals on London to Kos flight tickets

Aegean Airlines

4 Feb

LHR22:15London Heathrow

11h 50m

1 stop

KGS12:05Kos

7 Feb

KGS12:35Kos

10h 40m

1 stop

LHR21:15London Heathrow

£159

Find similar

Aegean Airlines

20 Jan

LHR19:00London Heathrow

15h 05m

1 stop

KGS12:05Kos

3 Feb

KGS08:35Kos

14h 40m

1 stop

LHR21:15London Heathrow

£168

Find similar

Aegean Airlines

28 Feb

LHR22:15London Heathrow

8h 35m

1 stop

KGS08:50Kos

15 Mar

KGS21:05Kos

22h 50m

1 stop

LHR17:55London Heathrow

£170

Find similar

Brussels Airlines flights from London to Kos

Our best Brussels Airlines deals on London to Kos flight tickets

Brussels Airlines

6 Jun

LHR11:05London Heathrow

21h 20m

1 stop

KGS10:25Kos

10 Jun

KGS11:25Kos

7h 40m

1 stop

LHR17:05London Heathrow

£169

Find similar

Brussels Airlines

20 Jun

LHR06:50London Heathrow

10h 55m

1 stop

KGS19:45Kos

27 Jun

KGS20:45Kos

26h 50m

1 stop

LHR21:35London Heathrow

£208

Find similar

Brussels Airlines

27 Jun

LHR11:05London Heathrow

21h 20m

1 stop

KGS10:25Kos

4 Jul

KGS20:45Kos

26h 50m

1 stop

LHR21:35London Heathrow

£210

Find similar

Fly from

Fly to

Route

Depart

Return

Price

LondonKos

LGW - KGS

LGWKGS

London Gatwick

Sun 12/4

12:20-18:25

Nonstop4h 05m

Kos

Sun 19/4

19:15-21:30

Nonstop4h 15m

£50

LondonKos

LGW - KGS

LGWKGS

London Gatwick

Sun 29/3

12:20-18:25

Nonstop4h 05m

Kos

Sun 5/4

19:15-21:30

Nonstop4h 15m

£103

LondonKos

STN - KGS

STNKGS

London Stansted

Sun 12/4

15:55-21:45

Nonstop3h 50m

Kos

Sun 19/4

22:10-00:20

Nonstop4h 10m

£110

LondonKos

LGW - KGS

LGWKGS

London Gatwick

Thu 18/6

15:10-21:15

Nonstop4h 05m

Kos

Thu 25/6

22:05-00:20

Nonstop4h 15m

£112

LondonKos

LGW - KGS

LGWKGS

London Gatwick

Wed 17/6

08:05-14:05

Nonstop4h 00m

Kos

Wed 24/6

14:55-17:10

Nonstop4h 15m

£125

LondonKos

LHR - KGS

LHRKGS

London Heathrow

Wed 4/2

22:15-12:05

1 stop11h 50m

Kos

Sat 7/2

12:35-21:15

1 stop10h 40m

£159

LondonKos

LHR - KGS

LHRKGS

London Heathrow

Tue 20/1

19:00-12:05

1 stop15h 05m

Kos

Tue 3/2

08:35-21:15

1 stop14h 40m

£168

LondonKos

LTN - KGS

LTNKGS

London Luton

Thu 18/6

16:50-22:50

Nonstop4h 00m

Kos

Thu 25/6

23:45-01:50

Nonstop4h 05m

£182

LondonKos

LCY - KGS

LCYKGS

London City

Sun 7/6

19:15-10:10

1 stop12h 55m

Kos

Sun 14/6

17:50-07:25

1 stop15h 35m

£285

LondonKos

LCY - KGS

LCYKGS

London City

Sun 7/6

19:15-10:10

1 stop12h 55m

Kos

Sun 21/6

17:50-07:25

1 stop15h 35m

£287

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

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 £211. 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 £391.

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 £202. In the morning is when there is more demand to fly to Kos, so prices are often more expensive at around £291 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	£92
Fastest flight time	3h 45m
Direct flights	Every day
Airports in Kos	1 airport

The best one-way flight to Kos from London in the past 72 hours is £92. The best return flight deal from London to Kos found on momondo in the last 72 hours is £195.

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

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 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 December 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 (41.91% of total bookings). The next most popular plane models are Boeing 737-800 Passenger/BBJ2 (winglets) (33.66%), Airbus A321-100/200 (11.88%), and Airbus A321neo (6.27%).
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 (29% 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 £35	Free Cancellation	Rating 6.9 5,235 reviews	Search Ryanair flights
easyJet	PriceFrom £102	Free Cancellation	Rating 6.9 1,854 reviews	Search easyJet flights
British Airways	PriceFrom £111	Free Cancellation	Rating 6.7 7,626 reviews	Search British Airways flights
TUI Airways	PriceFrom £122	Free Cancellation	Rating 0.0 0 reviews	Search TUI Airways flights
Lufthansa	PriceFrom £129	Free Cancellation	Rating 6.8 7,667 reviews	Search Lufthansa flights
Jet2	PriceFrom £181	Free Cancellation	Rating 8.2 179 reviews	Search Jet2 flights
Aegean Airlines	PriceFrom £183	Free Cancellation	Rating 8.1 841 reviews	Search Aegean Airlines 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.