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

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

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

As of September 2025, there are 1 flights per day flying from London to Kos. The most common time of day flights depart is 05:00, with 29% of flights taking off in the morning.

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 42% 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.

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

The number of flights available between London and Kos is 10 per week as of September 2025. The most frequent departure day is Mon, with 40% of weekly flights leaving on this day.

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 September 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.

£40 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 £161 to £295. The lowest price recently found on this route was £116.

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Find the cheapest flights from London to Kos

Round-trip

One-way

Last minute

Direct

Cheap return flights

10:45 - 16:35STN-KGS

3h 50mdirect

15:05 - 17:15KGS-STN

4h 10mdirect

£116Ryanair

Find Deal

lun., 29 sept. - jeu., 2 oct.

06:35 - 15:05STN-KGS

6h 30m1 stop

15:30 - 21:10KGS-STN

7h 40m1 stop

£117Multiple Airlines

Find Deal

mar., 14 oct. - mar., 21 oct.

07:35 - 13:35LGW-KGS

4h 00mdirect

22:00 - 00:15KGS-LGW

4h 15mdirect

£117easyJet

Find Deal

lun., 29 sept. - jeu., 2 oct.

17:15 - 23:10LGW-KGS

3h 55mdirect

20:40 - 22:45KGS-LGW

4h 05mdirect

£127TUI Airways

Find Deal

dim., 12 oct. - mer., 15 oct.

15:10 - 21:10LGW-KGS

4h 00mdirect

22:00 - 00:15KGS-LGW

4h 15mdirect

£135easyJet

Find Deal

jeu., 2 oct. - jeu., 16 oct.

17:15 - 23:10LGW-KGS

3h 55mdirect

20:40 - 22:45KGS-LGW

4h 05mdirect

£140TUI Airways

Find Deal

dim., 5 oct. - mer., 15 oct.

20:15 - 19:25LHR-KGS

21h 10m1 stop

18:55 - 22:55KGS-LHR

6h 00m1 stop

£147Lufthansa

Find Deal

ven., 31 oct. - mer., 5 nov.

07:40 - 19:25LHR-KGS

9h 45m1 stop

18:55 - 22:55KGS-LHR

6h 00m1 stop

£152Lufthansa

Find Deal

sam., 1 nov. - mer., 5 nov.

22:15 - 23:55LHR-KGS

23h 40m1 stop

18:10 - 17:55KGS-LHR

25h 45m1 stop

£175Aegean Airlines

Find Deal

mer., 1 oct. - jeu., 16 oct.

12:15 - 12:05LGW-KGS

21h 50m1 stop

08:35 - 11:10KGS-LGW

28h 35m1 stop

£188Aegean Airlines

Find Deal

mar., 17 févr. - mar., 24 févr.

Ryanair flights from London to Kos

Our best Ryanair deals on London to Kos flight tickets

Ryanair

29 Sept

STN10:45London Stansted

3h 50m

KGS16:35Kos

2 Oct

KGS15:05Kos

4h 10m

STN17:15London Stansted

£116

Find similar

Ryanair

22 Sept

STN21:50London Stansted

15h 15m

1 stop

KGS15:05Kos

25 Sept

KGS15:05Kos

4h 10m

STN17:15London Stansted

£117

Find similar

Ryanair

2 Oct

STN08:45London Stansted

3h 50m

KGS14:35Kos

16 Oct

KGS15:05Kos

4h 10m

STN17:15London Stansted

£117

Find similar

easyJet flights from London to Kos

Our best easyJet deals on London to Kos flight tickets

easyJet

29 Sept

LGW07:35London Gatwick

4h 00m

KGS13:35Kos

2 Oct

KGS22:00Kos

4h 15m

LGW00:15London Gatwick

£117

Find similar

easyJet

22 Sept

LGW07:35London Gatwick

4h 00m

KGS13:35Kos

25 Sept

KGS22:00Kos

4h 15m

LGW00:15London Gatwick

£130

Find similar

easyJet

2 Oct

LGW15:10London Gatwick

4h 00m

KGS21:10Kos

16 Oct

KGS22:00Kos

4h 15m

LGW00:15London Gatwick

£135

Find similar

Fly from

Fly to

Route

Depart

Return

Price

LondonKos

STN - KGS

STNKGS

London Stansted

lun. 29/9

10:45-16:35

Nonstop3h 50m

Kos

jeu. 2/10

15:05-17:15

Nonstop4h 10m

£116

LondonKos

STN - KGS

STNKGS

London Stansted

mar. 14/10

06:35-15:05

1 stop6h 30m

Kos

mar. 21/10

15:30-21:10

1 stop7h 40m

£117

LondonKos

LGW - KGS

LGWKGS

London Gatwick

lun. 29/9

07:35-13:35

Nonstop4h 00m

Kos

jeu. 2/10

22:00-00:15

Nonstop4h 15m

£117

LondonKos

LGW - KGS

LGWKGS

London Gatwick

dim. 12/10

17:15-23:10

Nonstop3h 55m

Kos

mer. 15/10

20:40-22:45

Nonstop4h 05m

£127

LondonKos

LGW - KGS

LGWKGS

London Gatwick

jeu. 2/10

15:10-21:10

Nonstop4h 00m

Kos

jeu. 16/10

22:00-00:15

Nonstop4h 15m

£135

LondonKos

LGW - KGS

LGWKGS

London Gatwick

dim. 5/10

17:15-23:10

Nonstop3h 55m

Kos

mer. 15/10

20:40-22:45

Nonstop4h 05m

£140

LondonKos

LHR - KGS

LHRKGS

London Heathrow

ven. 31/10

20:15-19:25

1 stop21h 10m

Kos

mer. 5/11

18:55-22:55

1 stop6h 00m

£147

LondonKos

LHR - KGS

LHRKGS

London Heathrow

sam. 1/11

07:40-19:25

1 stop9h 45m

Kos

mer. 5/11

18:55-22:55

1 stop6h 00m

£152

LondonKos

LHR - KGS

LHRKGS

London Heathrow

mer. 1/10

22:15-23:55

1 stop23h 40m

Kos

jeu. 16/10

18:10-17:55

1 stop25h 45m

£175

LondonKos

LGW - KGS

LGWKGS

London Gatwick

mar. 17/2

12:15-12:05

1 stop21h 50m

Kos

mar. 24/2

08:35-11:10

1 stop28h 35m

£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 £153, 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 £161.

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 £207. 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 £387.

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 £195. In the morning is when there is more demand to fly to Kos, so prices are often more expensive at around £292 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	£59
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 £59. The best return flight deal from London to Kos found on momondo in the last 72 hours is £165.

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

Direct flights go from London to Kos every day.

There is 1 airport near Kos: 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?
The number of operators available for flights from London to Kos Airport is 7 as of September 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 (38.22% of total bookings). The next most popular plane models are Boeing 737-800 Passenger/BBJ2 (winglets) (37.89%), Airbus A321-100/200 (18.94%), and Boeing 737 MAX 8 (2.35%).
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 (32% of total bookings). The next most popular airlines are easyJet (25%), Ryanair (13%), 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 6.8 5,157 reviews	Search Ryanair flights
easyJet	PriceFrom £101	Free Cancellation	Rating 6.9 1,820 reviews	Search easyJet flights
British Airways	PriceFrom £114	Free Cancellation	Rating 6.7 7,363 reviews	Search British Airways flights
TUI Airways	PriceFrom £121	Free Cancellation	Rating 6.2 16 reviews	Search TUI Airways flights
Lufthansa	PriceFrom £132	Free Cancellation	Rating 6.8 7,407 reviews	Search Lufthansa flights
Aegean Airlines	PriceFrom £169	Free Cancellation	Rating 8.1 786 reviews	Search Aegean Airlines flights
Jet2	PriceFrom £178	Free Cancellation	Rating 8.3 169 reviews	Search Jet2 flights

Jet2 Flights From London to Kos
Jet2 flight deals from London to Kos start from £243 round-trip. Over the 3 Jet2 flights for this route in a normal week, average airfare is usually £474 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, 1,820 ratings). easyJet flies from London to Kos around 2 times per week, with deals starting from £137 round-trip and rising to an average price of around £292.

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.